Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 257, NWS Midland/Odessa, TX

August 18, 2008Presidio County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Aug 18, 2008, 5:07 PM CDT for Presidio County, Texas. It was in force for 53 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Aug 18, 2008, 5:07 PM CDT (22:07 UTC)
Expired
Aug 18, 2008, 6:00 PM CDT
In force
53 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon

County Presidio County, TX

The nearest sounding before it

Santa Teresa, NM (KEPZ), launched 12:00Z, 10.1 hours before the alert went out and 313 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-pSkew-T log-p diagram, Santa Teresa, NM at 12:00Z on 2008-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 311 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Santa Teresa, NM at 12:00Z on 2008-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
311 J/kg
Mixed-layer CIN
-109 J/kg
Mixed-layer LCL
1391 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 18, 4:31 PM CDT, 36 minutes earlier.

Area forecast discussion, Aug 18, 4:31 PM CDT, 36 minutes before
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Hazardous weather outlook, Aug 18, 1:13 PM CDT, 3 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
113 PM CDT MON AUG 18 2008

NMZ027>029-033-034-TXZ045>048-050>053-057>063-067>070-074-075-
079>082-258-191815-
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-
113 PM CDT MON AUG 18 2008 /1213 PM MDT MON AUG 18 2008/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO REDEVELOP ACROSS MUCH
OF WEST TEXAS TODAY. LOCALLY HEAVY RAINFALL ACCOMPANYING THESE
STORMS MAY RESULT IN FLASH FLOODING OF CREEKS AND STREAMS...LOW
WATER CROSSINGS...AS WELL AS URBAN AND OTHER LOW LYING AREAS. A
FLASH FLOOD WATCH REMAINS IN EFFECT FOR THE PERMIAN BASIN THIS
AFTERNOON.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THERE WILL BE A CHANCE FOR SHOWERS AND THUNDERSTORMS TUESDAY
ACROSS THE AREA...AND A SLIGHT CHANCE FOR SHOWERS AND
THUNDERSTORMS TUESDAY NIGHT INTO WEDNESDAY.

.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, Aug 18, 4:40 PM CDT, 27 minutes before
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Special weather statement, Aug 18, 4:46 PM CDT, 21 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
446 PM CDT MON AUG 18 2008

TXZ057-074-080-182245-
VAN HORN AND HIGHWAY 54 CORRIDOR-DAVIS/APACHE MOUNTAINS AREA-
MARFA PLATEAU-
446 PM CDT MON AUG 18 2008

...SIGNIFICANT WEATHER ALERT...

THIS SIGNIFICANT WEATHER ALERT IS FOR NORTH CENTRAL JEFF DAVIS AND
SOUTH CENTRAL CULBERSON COUNTIES.

A STRONG THUNDERSTORM WAS LOCATED 10 MILES NORTHWEST OF PLATEAU AT
446 PM CDT...MOVING SOUTHEAST AT 30 MPH.

PEOPLE IN NORTH CENTRAL JEFF DAVIS AND SOUTH CENTRAL CULBERSON
COUNTIES SHOULD MONITOR THE WEATHER SITUATION CLOSELY. LISTEN FOR
WARNINGS AND REMAIN ALERT FOR THREATENING WEATHER CONDITIONS.

GUSTY WINDS TO 50 MPH... SMALL HAIL... AND DEADLY LIGHTNING ARE
POSSIBLE. ADDITIONALLY...BRIEF HEAVY DOWNPOURS MAY CREATE FLOODING
CONDITIONS ACROSS FAVORED LOCATIONS.

SEEK SHELTER IF THUNDERSTORMS APPROACH YOUR LOCATION.
Special weather statement, Aug 18, 4:58 PM CDT, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
458 PM CDT MON AUG 18 2008

TXZ057-058-258-182230-
VAN HORN AND HIGHWAY 54 CORRIDOR-REEVES COUNTY AND UPPER TRANS PECOS-
GUADALUPE MOUNTAINS-
458 PM CDT MON AUG 18 2008

...SIGNIFICANT WEATHER ALERT...

THIS SIGNIFICANT WEATHER ALERT IS FOR CENTRAL CULBERSON COUNTY.

A THUNDERSTORM WITH HAIL...GUSTY WINDS TO 55 MPH...AND VERY HEAVY RAIN
WAS LOCATED OVER NORTH CENTRAL CULBERSON COUNTY AT 458 PM CDT/358 PM
MDT/...MOVING SOUTH AT 23 MPH.

THIS STORM IS EXPECTED TO REMAIN IN RURAL AREAS.

SEEK SHELTER IF THUNDERSTORMS APPROACH YOUR LOCATION.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 3:21 AM CDTSevere Thunderstorm WarningMAFAndrews, Loving, Winkler54 min
Aug 18, 5:00 AM CDTFlash Flood WarningMAFEctor3 hr
Aug 18, 3:15 PM CDTAreal Flood AdvisoryMAFBrewster, Jeff Davis3 hr
Aug 18, 6:17 PM CDTAreal Flood AdvisoryMAFJeff Davis, Presidio3 hr
Aug 17, 11:13 PM CDTSevere Thunderstorm WarningMAFEddy62 min
Aug 18, 12:21 AM CDTSevere Thunderstorm WarningMAFEddy, Lea54 min
Aug 18, 12:25 AM CDTSevere Thunderstorm WarningMAFEddy65 min
Aug 18, 1:21 AM CDTAreal Flood AdvisoryMAFEddy3 hr
Aug 18, 1:23 AM CDTSevere Thunderstorm WarningMAFEddy, Lea52 min
Aug 18, 1:25 AM CDTAreal Flood AdvisoryMAFLea3 hr
Aug 18, 2:15 AM CDTSevere Thunderstorm WarningMAFEddy, Lea60 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008Every severe thunderstorm warning in 2008

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.