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KMEM Runway 09/27 — Memphis International Airport

8,946 × 150 ft asphalt · true headings 092° / 272° · field elevation 341 ft

Runway 09/27 at Memphis International Airport (KMEM) in Memphis, TN is 8,946 ft long and 150 ft wide, asphalt, with true headings 092° and 272°. The FAA record lists ILS (CAT I) and MALSR approach lights on runway 09. Over 2005–2025 the wind gave runway 09 the headwind 50.7% of the time and runway 27 49.3%, with a crosswind above 15 kt in 2.2% of wind hours. KMEM publishes a digital ATIS, so this page shows the runway the tower is actually using right now, today's configuration changes, and a growing record of how often each end is assigned.

Ask ATIS AIAsk anything about KMEM's weather, runways or delays, or search another airport.

Runway 09/27 — current operational status

What the D-ATIS, the tower and current NOTAMs state now. The published FAA baseline (NASR) is a separate line in the overview below and does not reflect temporary closures.

RESTRICTED (NOTAM)
  • NOTAM 10/212: MEM NAV ILS RWY 09 U/S

Sources: Published FAA baseline (OurAirports/NASR record) · FAA NOTAMs · D-ATIS · D-ATIS 0954Z (4:54 AM CDT). Runway NOTAMs stream live from the FAA NOTAM Management Service (SWIM); the official text is shown verbatim below the card. Always confirm with a current briefing.

NOTAMs for runway 09/27

Official text as issued; grouped for reading only. “Scheduled” means not yet in effect. NOTAMs are received live from the FAA NOTAM Management Service through SWIM and recorded since Sep 19, 2026; a NOTAM issued before that and not re-issued since may be missing. Get a full briefing before flight.

Navaid / approach equipment · 1
  • 10/212 · INTL10/22 1251Z (7:51 AM CDT) → 10/29 2000Z (3:00 PM CDT)
    MEM NAV ILS RWY 09 U/S
Taxiway · 1
  • 09/339 · DOM09/29 1434Z (9:34 AM CDT) → 10/31 2359Z (6:59 PM CDT)
    !MEM 09/339 MEM TWY A BTN TWY N AND TWY S, TWY C BTN RWY 09/27 AND SIGNATURE RAMP, TWY S BTN RWY 09/27 AND TWY B GEOGRAPHIC PSN MARKINGS NOT STD 2609291434-2610312359
Runway visual rangeSTDDS 0957Z (4:57 AM CDT)
09 TDZ 6000+ ↑ · MID – · RO 6000+ ↑ · lights edge 2 / CL 2
27 TDZ 6000+ ↑ · MID – · RO 6000+ ↑ · lights edge 2 / CL 2

Feet, touchdown / midpoint / rollout; 6000+ is the reportable maximum and “off” means the sensor is not reporting (runway not in use). Light settings 0 (off) to 5. Runway lights are on. Not an FAA product; verify with the current METAR and ATIS.

Current active runways at KMEM

As stated by the airport’s D-ATIS — the facility’s own broadcast, not an estimate.

Information Mike · 0954Z (4:54 AM CDT)

Flow: West flow— the compass direction of the stated arrival ends

Runway 09/27 in this configuration: 27 — ARRIVALS AND DEPARTURES

Arrivals
27
Departures
18R18C18L27

This D-ATIS configuration has been stated since 0654Z (1:54 AM CDT).

Show the D-ATIS text
MEM ATIS INFO M 0954Z. 16007KT 10SM CLR 17/07 A3019 (THREE ZERO ONE NINER) RMK AO2 SLP220 T01670072. VISUAL APCH IN USE RY 27. SIMUL DEPS IN USE RY 18R 18C 18L, DEPG RWYS 27. NOTICE TO AIRMEN. RWY 36L DME OTS. BIRD ACTIVITY RPTD IN THE VC OF THE ARPT. READBACK ALL RWY HOLD SHORT INSTRUCTIONS. CONSOLIDATED WAKE TURBULENCE . STANDARDS IN EFFECT. 222' CRANE IS DOWN. AT GATES 18, 20, 22, 23, 40 CTC GC FOR PUSHBACK. ...ADVS YOU HAVE INFO M.

Current wind on Runway 09/27

Wind from the south-southeast (160°) at 7 kt

METAR 0954Z (4:54 AM CDT)
Runway 09
FAVORED BY WIND
Headwind
3 kt
Crosswind
6 ktfrom right
Runway 27
ACTIVE
Tailwind
3 kt
Crosswind
6 ktfrom left
18C36C18L36R18R36L0927N160°/7 kt
  • arrivals
  • departures
  • LAHSO hold-short
  • closed

Layout from FAA NASR runway-end coordinates; the selected runway is highlighted and the ends the D-ATIS states in use are marked at their own threshold. Not for navigation. Official FAA diagram ↗

Wind-favored runway at KMEM right now: 18C (7 kt headwind) — a different runway than this one.

Components use TRUE runway headings and TRUE METAR wind. “Favored by wind” is arithmetic, not an ATC assignment.

Today's runway configuration at KMEM

Meaningful configuration changes recorded from the D-ATIS — the facility's own statements, not estimates.

Oct 29, 2026 (airport-local day): 1 configuration change since local midnight, from the D-ATIS broadcasts ATIS Alerts recorded. A change is a different arrival or departure set; a new ATIS letter with the same runways is folded into the row it belongs to. The history section below counts the same way over rolling windows.

  1. 05:05Z12:05 AM CDT(in effect since before the day began)
    1.8 h
    Arrivals
    18L18R
    Departures
    18C
    ATIS: Hotel → IndiaSouth flowIn effect at the start of the day
  2. 06:54Z1:54 AM CDT
    3.2 h · current
    Arrivals
    27
    Departures
    18R18C18L27
    ATIS: Juliett → Kilo → Lima → MikeWest flowFlow changed: South → West · Arrivals +27 −18L, 18R · Departures +18R, 18L, 27

Runway 09/27 outlook

Where runway 09/27 stands now and which runway at KMEM is likely over the next 12 hours — an estimate, not an ATC assignment.

Time · runway 09/27 · airport-wide outlook · confidence · forecast wind · why

  1. Now1005Z · 5:05 AM CDT·09/27: 27 in use·Current airport configuration (D-ATIS): arrivals 27 · departures 18R · 18C · 18L · 27·stated·wind 160° at 7 kt
  2. +1 h1105Z · 6:05 AM CDT·09/27: not favored·airport-wide likely 36L·North flow·Low 55%·wind 140° at 4 kt·Why TAF wind 140° at 4 kt: below 5 kt, wind does not decide the runway.|In recorded use, 36L is the end this airport most often named for arrivals in calm wind (D-ATIS).|That would be a change from the current 27 configuration.
  3. +2 h1205Z · 7:05 AM CDT·09/27: not favored·airport-wide likely 36L·North flow·Low 55%·wind 140° at 4 kt·Why TAF wind 140° at 4 kt: below 5 kt, wind does not decide the runway.|In recorded use, 36L is the end this airport most often named for arrivals in calm wind (D-ATIS).|That would be a change from the current 27 configuration.
  4. +3 h1305Z · 8:05 AM CDT·09/27: not favored·airport-wide likely 36L·North flow·Low 55%·wind 140° at 4 kt·Why TAF wind 140° at 4 kt: below 5 kt, wind does not decide the runway.|In recorded use, 36L is the end this airport most often named for arrivals in calm wind (D-ATIS).|That would be a change from the current 27 configuration.
  5. +6 h1605Z · 11:05 AM CDT·09/27: not favored·airport-wide likely 36L·North flow·Low 55%·wind 140° at 4 kt·Why TAF wind 140° at 4 kt: below 5 kt, wind does not decide the runway.|In recorded use, 36L is the end this airport most often named for arrivals in calm wind (D-ATIS).|That would be a change from the current 27 configuration.
  6. +12 h2205Z · 5:05 PM CDT·09/27: not favored·airport-wide likely 36L·North flow·Low 55%·wind 140° at 4 kt·Why TAF wind 140° at 4 kt: below 5 kt, wind does not decide the runway.|In recorded use, 36L is the end this airport most often named for arrivals in calm wind (D-ATIS).|That would be a change from the current 27 configuration.

ATIS Alerts Predicted Runway is an estimate from the TAF wind forecast, runway geometry (most headwind, crosswind penalised, tailwind over 5 kt avoided, longest runway breaks ties), the current stated configuration and any stated closures; recorded D-ATIS use since Sep 18, 2026 (720 h) is an input wherever a wind sector has 24 h on record. Each row lists its reasons; “no runway favored” is a genuine answer under variable or light wind, never replaced by a guess. It is not an ATC assignment and does not know about noise abatement or traffic flow unless the recorded history shows them. TAF issued 0905Z (4:05 AM CDT).

Runway 09/27 equipment and lighting

What the FAA record lists for each end, annotated with current NOTAM and D-ATIS outages.

Runway 09
Approach lighting
MALSR
Visual glide slope
Not available
Runway edge lighting
HIRL (high intensity)
Centerline lighting
Available
Touchdown zone lighting
Not available
REIL
Not available
ILS
ILSOUT OF SERVICE
I-MEM · 109.5 MHz · CAT I · NASR ILS component status: operational, restricted
NOTAM 10/212 · out of service until 10/29 2000Z (3:00 PM CDT)
MEM NAV ILS RWY 09 U/S
Localizer
AvailableOUT OF SERVICE
NASR ILS component status: operational, restricted
NOTAM 10/212 · out of service until 10/29 2000Z (3:00 PM CDT)
MEM NAV ILS RWY 09 U/S
Glideslope
AvailableOUT OF SERVICE
3°
NOTAM 10/212 · out of service until 10/29 2000Z (3:00 PM CDT)
MEM NAV ILS RWY 09 U/S
DME
Not available
Marker beacons
Not available
RVR
touchdown, rollout
Runway markings
Precision instrument
condition good
Arresting system
Not available
Runway 27
Approach lighting
MALSR
Visual glide slope
PAPI (4-box, left side)
Runway edge lighting
HIRL (high intensity)
Centerline lighting
Available
Touchdown zone lighting
Not available
REIL
Not available
ILS
ILS
I-JIM · 108.7 MHz · CAT I
Localizer
Available
Glideslope
Available
3° · NASR ILS component status: operational, restricted
DME
Not available
Marker beacons
Not available
RVR
touchdown, rollout
Runway markings
Precision instrument
condition good
Arresting system
Not available

Source: FAA NASR 28-day subscription, cycle effective 2026-10-01 (equipment on record) · FAA NOTAMs via SWIM (live)and the current D-ATIS (outages). “Not available” means the FAA record lists no such equipment for the end; nothing here is inferred. An outage annotation is only ever a reading of the official text shown with it. Declared distances are not shown in this phase.

Land and hold short operations

LAHSO hold-short points and available landing distances on the FAA record, and whether the current D-ATIS reports LAHSO in effect.

Runway 09

No LAHSO hold-short point on the FAA record for this end.

Runway 27
Hold short
Taxiway N
Available landing distance
8,450 ft

A hold-short point on record means LAHSO can be conducted to this end; it is active only when ATC says so. The current D-ATIS does not state LAHSO in effect. Source: FAA NASR cycle 2026-10-01; D-ATIS text read by ATIS Alerts.

Frequencies for runway 09/27

Tower, ground, clearance, ATIS and approach frequencies from the FAA record, labelled by what they apply to.

Frequencies serving runway 09/27 at KMEM
ServiceFrequencyApplies to
Tower118.3Runway 09/27
Tower257.8Airport-wide
Ground121.0Runway 09/27
Ground379.2Airport-wide
D-ATIS127.75Airport-wide
Show all frequencies (9 more: approach and departure sectors, secondary and other)
Frequencies serving runway 09/27 at KMEM
ServiceFrequencyApplies to
UNICOM122.95Airport-wide
Approach / departure119.1Sector: 176-355
Approach / departure124.15Sector: 356-175
Approach / departure124.65Sector: 176-355
Approach / departure125.8Sector: 356-175
Approach / departure284.7Sector: 176-355
Approach / departure291.6Sector: 176-355
Approach / departure338.3Sector: 356-175
Approach / departure385.45Sector: 356-175

Rows marked “Runway 09/27” are sectorized to this runway complex in the FAA record; “Airport-wide” rows serve every runway. Source: FAA NASR FRQ, cycle 2026-10-01. Verify on the current chart supplement before use.

Runway 09/27 overview

Physical characteristics from the FAA-derived runway record.

Length
8,946 ft
Width
150 ft
Surface
Asphalt · Good condition
Surface treatment
Grooved
Weight bearing (lb)
S 120k · D 250k · 2D 550k · 2D/2D2 1120k
PCN
1253
Runway lights
Lighted
Airport elevation
341 ft
Published FAA baseline
Open
Published NASR record; does not reflect temporary closures or restrictions. Current operational status is the card at the top of the page.
Runway 09
True heading
092°
Magnetic
093°
Published FAA baseline
Open
Threshold elevation
253 ft
TDZ elevation
259 ft
Displaced threshold
None on record
Traffic pattern
Left
Controlling obstruction
pole, 27 ft, 1,243 ft from threshold, 38:1 slope
Runway 27
True heading
272°
Magnetic
273°
Published FAA baseline
Open
Threshold elevation
292 ft
TDZ elevation
292 ft
Displaced threshold
None on record
Threshold crossing height
69 ft
Visual glide path
3°
Controlling obstruction
pole, 50 ft, 1,707 ft from threshold, 30:1 slope

Runway 09/27 numbers are magnetic; the stored geometry and every wind calculation on this page are TRUE north, so they never need a variation correction. Magnetic headings use the FAA's published variation for this airport, 1.0°W (2020), the same value printed on the FAA airport diagram. Surface condition, treatment, weight bearing, thresholds and traffic pattern are from the FAA NASR record (cycle 2026-10-01); lighting, ILS and LAHSO are in their own sections above. Declared distances are not shown in this phase.

Configuration history at KMEM

Observed runway usage: how often the D-ATIS named each end, by window, flow, wind and time of day (the facility's own statement).

D-ATIS runway history at KMEM
720 hours collected since Sep 18, 2026
  • 7-day analysis: Ready
  • 30-day analysis: Ready
  • 90-day analysis: Collecting · 30 / 90 days
  • 12-month analysis: Collecting · 30 / 365 days

Runway percentages are measured independently. Multiple runways can be active simultaneously, so totals may exceed 100%.

Last 24 hours
7 configuration changes · 7 distinct configurations · 24 h recorded
Most-used arrival ends at the airport
27 (50%) · 18L (42%) · 18R (42%)
Most-used departure ends
18C (67%) · 18L (50%) · 18R (50%)
Runway 09
Arrivals0%
Departures0%
Runway 27
Arrivals50%
Departures46%

Insufficient history for flow shares: 24 of the 48 hours of stated configuration needed have been recorded.

Last 7 days
54 configuration changes (≈ 7.7 per day) · 24 distinct configurations · 7 days recorded
Most-used arrival ends at the airport
18L (43%) · 18R (40%) · 36L (35%)
Most-used departure ends
18C (58%) · 18L (57%) · 18R (54%)
Runway 09
Arrivals13%
Departures5%
Runway 27
Arrivals33%
Departures22%
Flow
  • South flow43%(73 h)
  • Mixed configuration39%(65 h)
  • North flow11%(18 h)
  • West flow7%(12 h)
Most common configurations
  • 32% · arrivals 18L · 18R · departures 18C · 18L · 18R(South flow)
  • 9% · arrivals 18C · departures 18C · 18L · 18R(South flow)
  • 7% · arrivals 27 · 36C · 36L · departures 27 · 36C · 36L(Mixed configuration)
Last 30 days
217 configuration changes (≈ 7.2 per day) · 51 distinct configurations · 30 days recorded
Most-used arrival ends at the airport
36L (41%) · 36R (37%) · 18R (35%)
Most-used departure ends
18C (50%) · 36C (46%) · 18R (44%)
Runway 09
Arrivals9%
Departures4%
Runway 27
Arrivals32%
Departures17%
Flow
  • Mixed configuration34%(246 h)
  • South flow34%(242 h)
  • North flow26%(186 h)
  • West flow6%(47 h)
Most common configurations
  • 18% · arrivals 18L · 18R · departures 18C · 18L · 18R(South flow)
  • 13% · arrivals 36L · 36R · departures 36C · 36L · 36R(North flow)
  • 8% · arrivals 18C · departures 18C · 18L · 18R(South flow)
How the facility used runways by wind
Wind fromHours09 arrivals27 arrivals09 departures27 departures
N (338–023°)860%17%0%15%
NE (023–068°)9221%2%9%3%
E (068–113°)757%9%3%0%
SE (113–158°)250%12%0%0%
S (158–203°)1010%42%0%18%
Calm / light (< 5 kt)30913%47%5%28%
Use by time of day (airport-local)
night (240 h)
09 arr 12%27 arr 31%
morning (179 h)
09 arr 8%27 arr 48%
afternoon (181 h)
09 arr 3%27 arr 18%
evening (120 h)
09 arr 13%27 arr 29%
0003060912151821

Bars: share of each local hour in which an end of this runway was named for arrivals. Patterns are described, not explained.

Observed runway usage — 720 hours of D-ATIS runway configuration history collected · 51 distinct configurations observed · 934 D-ATIS broadcasts recorded · through Oct 29, 2026. Shares are the fraction of recorded hours in which the D-ATIS named each end. Wind sectors use the wind reported when each configuration began. Nothing here is inferred from wind; the wind-favored analysis for KMEM is a separate module. 90-day, 12-month and seasonal views appear once the record is long enough.

Historical wind and crosswind on runway 09/27

20-year hourly climatology from the ASOS archive, computed per runway end.

From 175,031 hourly observations at KMEM (2005–2025), 149,797 with a steady wind direction (14.4% calm, variable or direction-less). One observation per clock hour; TRUE headings against TRUE wind.

Crosswind on runway 09/27 (either end)

Mean crosswind
5.9 kt
median 5.3 kt
90th / 95th percentile
11 / 13 kt
max 77.5 kt
Above 10 kt
13.2%
> 15 kt: 2.2% · > 20 kt: 0.2%
Gust crosswind > 15 kt
9.6%
90th pct gust 14.7 kt
0%28%55%48%0–5 kt39%5–10 kt11%10–15 kt2.0%15–20 kt0.2%20–25 kt0.0%25+ kt
Share of wind hours by crosswind band on runway 09/27 at KMEM, 2005–2025
Crosswind (kt)Share of wind hours
0–548%
5–1038.8%
10–1511%
15–202%
20–250.2%
25+0%

Strongest-crosswind month on average: Feb; calmest: Aug. Percentiles are streaming approximations (t-digest), accurate to about 0.1 kt.

Runway 09

Headwind
50.7%
of wind hours
Tailwind > 5 kt
15.1%
> 10 kt: 2.6%
Most wind-favored end
18.1%
of steady-wind hours, 09 had the most headwind of every end at KMEM

Runway 27

Headwind
49.3%
of wind hours
Tailwind > 5 kt
13.7%
> 10 kt: 1.2%
Most wind-favored end
16.5%
of steady-wind hours, 27 had the most headwind of every end at KMEM

“Most wind-favored end” is meteorological analysis: the share of steady-wind hours (2005–2025) in which this end had the most headwind of every open runway end at KMEM. It does not mean ATC selected the runway that often (parallel ends with the same heading share the credit equally). Observed runway use, where available, is the configuration-history section above.

By wind direction

Wind-favored share of runway 09 and 27 by wind sector, 2005–2025
Wind fromShare of wind hours09 favored27 favoredMean crosswindCrosswind > 15 kt
N 338–023°14%0%0%7.9 kt2.6%
NE 023–068°12%46.2%0%5.5 kt0.3%
E 068–113°9%100%0%1.4 kt0%
SE 113–158°9%38%0%4.8 kt0.5%
S 158–203°27%0%0%8.2 kt5.8%
SW 203–248°14%0%37.9%5.8 kt1.3%
W 248–293°7%0%100%1.6 kt0%
NW 293–338°8%0%47.4%5.7 kt0.6%

By time of day (airport-local)

morning
09 favored 19.2% · 27 18.5%
mean crosswind 5.9 kt · calm 14.5%
afternoon
09 favored 12.9% · 27 23.1%
mean crosswind 6.7 kt · calm 11.5%
evening
09 favored 18.8% · 27 12%
mean crosswind 5.5 kt · calm 11.5%
night
09 favored 21.1% · 27 11.9%
mean crosswind 5.4 kt · calm 18%

Seasonal runway conditions

048JanFebMarAprMayJunJulAugSepOctNovDec
Mean crosswind on runway 09/27 at KMEM by month, 2005–2025
MonthMean crosswind (kt)
Jan6.4 kt
Feb6.9 kt
Mar6.9 kt
Apr6.7 kt
May5.9 kt
Jun5.5 kt
Jul4.8 kt
Aug4.7 kt
Sep4.9 kt
Oct5.5 kt
Nov6.0 kt
Dec6.2 kt
Monthly wind and weather statistics for runway 09/27 at KMEM, 2005–2025
MonthPrevailingMean windGustyMean xwxw > 10xw > 15xw > 2009 tail > 527 tail > 5IFRTSFog
JanS7.6 kt15.3%6.4 kt17.7%3%0.3%20%12.7%10.6%0.41%9.2%
FebS8 kt18.2%6.9 kt22%4.3%0.4%19.6%15.6%10%0.63%9.2%
MarS8.1 kt20.4%6.9 kt22.3%5%0.6%18.7%17.4%6%1.13%6.1%
AprS8 kt22.2%6.7 kt20.2%4.5%0.5%18.9%14.5%4%1.81%3.9%
MayS7 kt14.2%5.9 kt12.5%1.6%0.1%14.4%14.4%3.4%2.06%3.2%
JunS6.3 kt10.1%5.5 kt8.2%0.8%0.1%14.4%10.5%1.6%1.62%1.6%
JulSW5.7 kt7.3%4.8 kt4.5%0.3%0%17%9.3%1.9%1.85%1.8%
AugS5.6 kt6.1%4.7 kt4.1%0.4%0.1%9.8%14.6%1.4%1.25%1.5%
SepS5.7 kt6.5%4.9 kt6%0.7%0.1%6.8%18.6%3.6%0.63%2.7%
OctS6.2 kt9.7%5.5 kt9.9%0.9%0.1%11.2%13.6%6.2%0.35%4.7%
NovS6.4 kt11.7%6 kt13.8%2.3%0.2%12.6%10.6%7%0.39%6.6%
DecS7.1 kt14.1%6.2 kt16%2.4%0.2%16%12.8%13%0.59%11.1%

IFR, thunderstorm (TS) and fog columns are airport-wide shares of hours; the crosswind and tailwind columns are specific to this runway. Prevailing = most common 45° wind sector among wind hours.

Runway 09/27 closure history

Kept per source with its provenance: D-ATIS-observed, NOTAM-observed and the FAA published baseline are never merged.

D-ATIS observed · since tracking began Sep 18, 2026 · coverage 30 / 30 days
  • 09 reported closed on 1 calendar day (8 broadcasts; first seen 2026-10-27 13:00Z, last seen 2026-10-27 18:25Z)
  • 27 reported closed on 1 calendar day (8 broadcasts; first seen 2026-10-27 13:00Z, last seen 2026-10-27 18:25Z)

Normalised status: closed on those days as stated in the broadcast text (shown verbatim in the live band above). History is incomplete until 30 days of coverage exist.

NOTAM observed · recorded since Sep 19, 2026 (no archive before that)
  • 10/248 · partial closure (partial) · runway 09/27effective 2026-10-27 13:00Z → 2026-10-27 19:30Z · first seen 2026-10-26 20:51Z · last seen 2026-10-27 18:14Z · cancelled 2026-10-27 18:14Z
    !MEM 10/248 MEM RWY 09/27 CLSD EXC XNG TWY N, C, S, Y, A1, V1, V2 2610271300-2610271930
  • 09/319 · partial closure (partial) · runway 09/27effective 2026-09-28 13:00Z → 2026-09-28 19:30Z · first seen 2026-09-25 21:22Z · last seen 2026-09-25 21:22Z
    !MEM 09/319 MEM RWY 09/27 CLSD EXC CROSSING TWY N, C, S, B, Y, A1, V1, V2 2609281300-2609281930
Published FAA baseline (NASR record)

Runway 09/27: Open on the published record — a baseline that does not reflect temporary closures or restrictions, not the current operational status.

Recent pilot reports involving runway 09/27

Official PIREPs that name this runway explicitly, past 6 hours.

No pilot report in the last 6 hours names runway 09/27 at KMEM explicitly. Reports near the airport that do not name a runway are on the airport page.

Instrument approaches to runway 09/27

From the FAA d-TPP, linked to the official plates.

Runway 09

Runway 27

39 departure procedures · 13 STARs · FAA hot spots page ↗ · LAHSO page ↗ · FAA d-TPP cycle 2611. Plates open on aeronav.faa.gov (public domain); ATIS Alerts does not reproduce charts or minimums.

Methodology and sources

Short version below; the full write-up is at Runway Intelligence methodology, and every launched airport is listed on the Runway Intelligence hub.

  • Active runwayscome first from the tower's TFDM (Terminal Flight Data Manager) airport configuration, received as structured data through the FAA SWIM Cloud Distribution Service at towers that have it; otherwise from the airport's D-ATIS text (community relay of the FAA broadcast) with an open, tested parser, and the broadcast text is always shown. Every change is recorded, so “recorded use” is what the facility stated, never an inference. ATIS Alerts is not an FAA product and this is not FAA data; SWIM content is for non-operational use.
  • Flowis the compass direction of the stated arrival ends (eight sectors, named only when every arrival end points within 30° of the others and clear of a sector edge); a tower's own configuration name is used when it carries a direction word. Stored separately from the runway sets.
  • Equipment, LAHSO and frequencies come from the FAA NASR 28-day subscription (cycle 2026-10-01): approach lights, visual glide slope, edge / centerline / touchdown-zone lights, REIL, ILS components with FAA status, RVR, markings, LAHSO hold-short points and available landing distances, and facility frequencies with their published sectorization. Outage annotations are readings of the NOTAM or D-ATIS text shown beside them. Blank FAA fields read “Not available”.
  • Wind components use the current METAR (aviationweather.gov) against TRUE runway headings from the OurAirports/FAA runway record.
  • Runway visual range, tower demand and traffic-management restrictions come from FAA SWIM: STDDS Airport Data (RVR and light settings, about 130 airports) and TFDM (15-minute runway demand, APREQ/MIT restrictions). Each block is stamped with its own time; none of it is an FAA product or a clearance.
  • Predicted runway scores each open end from the TAF wind (headwind, crosswind penalty, tailwind avoidance, longest-runway tie-break), excludes stated closures, and — once a wind sector has 24 h of recorded use — adjusts confidence by what the facility did under similar wind; every row lists its reasons. It does not model noise abatement or flow programs beyond what the record shows.
  • History thresholds: usage shares need 12 / 48 / 168 recorded hours for the 24-hour / 7-day / 30-day windows; a wind sector needs 24 h and 5 days; time-of-day needs 7 days and 20 h per daypart; flow shares need 48 h. Below a bar the module says so instead of showing a percentage.
  • Climatology: Iowa Environmental Mesonet ASOS archive, one observation per hour, 45° wind sectors, percentiles via t-digest; runway geometry is today's record applied to all years. Methodology v1.
  • PIREPs: official reports from aviationweather.gov are attached only when the text names this runway and the report is tied to KMEM by identifier or by position within 15 NM. Approaches: FAA d-TPP metafile, current charting cycle; plates link to aeronav.faa.gov. No minimums are reproduced.
  • Data freshness: METAR and D-ATIS refresh every minute on this page; the D-ATIS recorder ran 0 min ago; usage rollups every 3 h; climatology through 2025-12-31.

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Other runways at KMEM

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Tools for this runway

Active runway - past 30 days

Share of stated hours each end was named for arrivals at KMEM. From the D-ATIS, not wind. Shares are measured independently, so parallels active together can each read 100%.

  • 36L41%dep 36%
  • 36R37%dep 32%
  • 18R35%dep 44%
  • 18L35%dep 43%
  • 2732%dep 17%
  • 36C14%dep 46%
  • 18C12%dep 50%
  • 099%dep 4%

30.0 days of stated configuration on record · 217 configuration changes · 51 distinct configurations.

KMEM airport diagram

Official FAA taxiway and runway layout. Tap to zoom.

Official FAA airport diagram · d-TPP cycle 2611 · Not for navigation. Download the official FAA PDF ↗

⚠️ ATIS Alerts provides informational runway analysis based on available weather, the tower's TFDM configuration and NOTAMs received through FAA SWIM, D-ATIS text, FAA data and historical observations. Active runways shown here are what the tower or its D-ATIS stated and may lag or be misread; NOTAM coverage is not complete; predicted runways are an ATIS Alerts estimate, not an ATC assignment; equipment states are readings of the official text shown with them. Not an FAA product. Not for operational use. Always verify with official FAA-approved preflight weather sources before flight.