Alert archive / Texas / Areal Flood Advisories in 2015

Areal Flood Advisory 21, NWS Midland/Odessa, TX

April 24, 2015Midland County, Texas

NWS Midland/Odessa, TX issued this areal flood advisory at Apr 24, 2015, 8:59 AM CDT for Midland County, Texas. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: Apr 24, 2015, 8:59 AM CDT (13:59 UTC)
Expired: Apr 24, 2015, 11:00 AM CDT
In force: 2 hr
Issued by: NWS Midland/Odessa, TX
Area: Storm-based polygon

County Midland County, TX

The radar

The Midland/Odessa radar (KMAF), 17 km from the middle of the area, began a volume at 14:01 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 2.0 hours before the alert went out and 18 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1567 m above ground
0-6 km bulk shear: 64 kt
0-1 km storm-relative helicity: 145 m²/s²
0-3 km storm-relative helicity: 169 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this areal flood advisory went out at Apr 24, 6:00 AM CDT, 2 hours 59 minutes earlier.

Area forecast discussion, Apr 24, 6:00 AM CDT, 2 hours 59 minutes before

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Hazardous weather outlook, Apr 24, 3:54 AM CDT, 5 hours 5 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
354 AM CDT FRI APR 24 2015

NMZ027>029-033-034-TXZ045>048-050>053-057>063-067>070-074-075-
079>082-258-250900-
GUADALUPE MOUNTAINS OF EDDY COUNTY-EDDY COUNTY PLAINS-
NORTHERN LEA COUNTY-CENTRAL LEA COUNTY-SOUTHERN LEA COUNTY-GAINES-
DAWSON-BORDEN-SCURRY-ANDREWS-MARTIN-HOWARD-MITCHELL-
VAN HORN AND HIGHWAY 54 CORRIDOR-REEVES COUNTY AND UPPER TRANS PECOS-
LOVING-WINKLER-ECTOR-MIDLAND-GLASSCOCK-WARD-CRANE-UPTON-REAGAN-
DAVIS/APACHE MOUNTAINS AREA-PECOS-PRESIDIO VALLEY-MARFA PLATEAU-
BIG BEND AREA-TERRELL-GUADALUPE MOUNTAINS-
354 AM CDT FRI APR 24 2015 /254 AM MDT FRI APR 24 2015/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHEAST NEW
MEXICO...SOUTHWEST TEXAS AND WEST TEXAS.

.DAY ONE...TODAY AND TONIGHT

WINDY CONDITIONS ARE SET TO AFFECT SOUTHEAST NEW MEXICO, AND MUCH OF
WEST TEXAS TODAY.  THE STRONGEST WINDS WILL OCCUR IN THE GUADALUPE
MOUNTAINS WHERE 40 TO 50 MPH SOUTHWEST WINDS, WITH GUSTS TO 65 MPH,
ARE EXPECTED.  A HIGH WIND WARNING IS IN EFFECT THERE.

A WIND ADVISORY IS IN EFFECT FOR LOCATIONS ALONG AND WEST OF A
LAMESA TO KERMIT TO ALPINE LINE FOR SOUTHWEST TO WEST WINDS OF 25 TO
35 MPH SUSTAINED, AND GUSTS OF 45 TO 50 MPH.

THE WINDY CONDITIONS WILL BE ACCOMPANIED BY WARM TEMPERATURES,
WHICH WILL RESULT IN RH/S OF 10 TO 15 PERCENT ALONG AND WEST OF A
LAMESA TO KERMIT TO ALPINE LINE.  NEAR CRITICAL FIRE WEATHER
CONDITIONS ARE EXPECTED IN THESE AREAS, SO RESIDENTS ARE URGED TO
USE CAUTION WITH OUTDOOR FLAMES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

MORE WINDY CONDITIONS ARE EXPECTED, ESPECIALLY IN THE GUADALUPE
MOUNTAINS SATURDAY AND SUNDAY AFTERNOON AND EVENING.  IN ADDITION,
NEAR CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED BOTH AFTERNOONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

THIS PRODUCT...ALONG WITH OTHER WATCHES...WARNINGS...ADVISORIES...
AND STATEMENTS ISSUED BY THE NATIONAL WEATHER SERVICE OFFICE IN
MIDLAND CAN BE FOUND ON THE INTERNET AT /LOWER CASE/
HTTP://WEATHER.GOV/MIDLAND

In the hours before

Special weather statement, Apr 24, 8:15 AM CDT, 44 minutes before

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Special weather statement, Apr 24, 8:41 AM CDT, 18 minutes before

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The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 23, 8:55 PM CDT	Severe Thunderstorm Warning	MAF	Terrell	35 min
Apr 23, 11:15 PM CDT	Special Weather Statement	MAF	Terrell	60 min
Apr 24, 4:09 AM CDT	High Wind Warning	MAF		18 hr
Apr 24, 4:09 AM CDT	Wind Advisory	MAF	Andrews, Dawson, Gaines, Loving, Winkler	16 hr
Apr 24, 8:15 AM CDT	Special Weather Statement	MAF	Mitchell	30 min
Apr 24, 9:10 AM CDT	Areal Flood Advisory	MAF	Mitchell	3 hr
Apr 24, 9:24 AM CDT	Special Weather Statement	MAF	Mitchell	36 min
Apr 24, 9:41 AM CDT	Areal Flood Advisory	MAF	Howard	3 hr
Apr 24, 10:27 AM CDT	Areal Flood Advisory	MAF	Scurry	3 hr

Nearby

Areal Flood Advisories in Texas, 2015 Every areal flood advisory in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.