Alert archive / Texas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 261, NWS Midland/Odessa, TX

October 21, 2010Pecos County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Oct 21, 2010, 2:51 PM CDT for Pecos County, Texas. It was in force for 54 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
Oct 21, 2010, 2:51 PM CDT (19:51 UTC)
Expired
Oct 21, 2010, 3:45 PM CDT
In force
54 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon

County Pecos County, TX

The radar

The Midland/Odessa radar (KMAF), 139 km from the middle of the area, began a volume at 19:51 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Oct 21, 2:30 PM CDTSevere Thunderstorm WatchSPC10 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 7.9 hours before the alert went out and 139 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, Midland Regional, TX at 12:00Z on 2010-10-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 922 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, Midland Regional, TX at 12:00Z on 2010-10-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 186 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
922 J/kg
Mixed-layer CIN
-225 J/kg
Mixed-layer LCL
584 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
186 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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 Oct 21, 12:46 PM CDT, 2 hours 5 minutes earlier.

Area forecast discussion, Oct 21, 12:46 PM CDT, 2 hours 5 minutes before
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Hazardous weather outlook, Oct 21, 1:19 PM CDT, 1 hour 32 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
119 PM CDT THU OCT 21 2010

NMZ027>029-033-034-TXZ045>048-050>053-057>063-067>070-074-075-
079>082-258-221830-
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-
119 PM CDT THU OCT 21 2010 /1219 PM MDT THU OCT 21 2010/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED TO NUMEROUS STORMS WILL BE POSSIBLE ALONG AND EAST OF A
MALJAMAR TO PECOS TO MARATHON LINE THIS AFTERNOON AND EVENING.
SOME OF THESE STORMS WILL BE SEVERE WITH LARGE HAIL...DAMAGING
WINDS...HEAVY RAINFALL AND LOCALIZED FLOODING THE PRIMARY
THREATS.  A TORNADO OR TWO WILL ALSO BE POSSIBLE WITH THESE
STORMS.

SCATTERED THUNDERSTORMS WILL BE POSSIBLE TO THE WEST OF A MALJAMAR
TO PECOS TO MARATHON LINE THIS AFTERNOON AND EVENING.  SOME OF
THESE STORMS COULD PRODUCE GUSTY WINDS OVER 50 MPH AND BRIEF HEAVY
RAINFALL...BUT SHOULD GENERALLY STAY BELOW SEVERE LIMITS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

WINDY CONDITIONS AND ABOVE NORMAL TEMPERATURES MONDAY COULD LEAD
TO CRITICAL FIRE WEATHER CONDITIONS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS EXPECTED THIS AFTERNOON.

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, Oct 21, 8:52 AM CDT, 5 hours 59 minutes before
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Special weather statement, Oct 21, 10:15 AM CDT, 4 hours 36 minutes before
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Local storm report, Oct 21, 10:48 AM CDT, 4 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1048 AM CDT THU OCT 21 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1025 AM     HAIL             TATUM                   33.26N 103.32W
10/21/2010  E0.88 INCH       LEA                NM   PUBLIC

            DIME TO NICKEL SIZED HAIL.

&&

KURT.KOTENBERG
Special weather statement, Oct 21, 10:48 AM CDT, 4 hours 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1048 AM CDT THU OCT 21 2010

NMZ029-211600-
NORTHERN LEA COUNTY-
948 AM MDT THU OCT 21 2010

...SIGNIFICANT WEATHER ADVISORY FOR STRONG THUNDERSTORMS AFFECTING
NORTHEASTERN LEA COUNTY UNTIL 1000 AM MDT...

A STRONG THUNDERSTORM WAS LOCATED OVER NORTHEASTERN LEA COUNTY AT 947
AM MDT...MOVING NORTH AT 40 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS TO 50 MPH...UP TO NICKEL SIZED HAIL...HEAVY RAIN AND
FREQUENT CLOUD TO GROUND LIGHTNING STRIKES ARE POSSIBLE WITH THIS
STORM.

&&
Special weather statement, Oct 21, 2:19 PM CDT, 32 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
219 PM CDT THU OCT 21 2010

TXZ067-075-211945-
WARD-PECOS-
219 PM CDT THU OCT 21 2010

...SIGNIFICANT WEATHER ADVISORY FOR STRONG THUNDERSTORMS AFFECTING
NORTH CENTRAL PECOS AND SOUTHEASTERN WARD COUNTIES UNTIL 245 PM
CDT...

A STRONG THUNDERSTORM WAS LOCATED 20 MILES SOUTHWEST OF GRANDFALLS AT
219 PM CDT...MOVING NORTHEAST AT 25 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

GUSTY WINDS... HAIL... HEAVY RAIN... AND DEADLY LIGHTNING ARE
POSSIBLE.

IF SEVERE WEATHER IS OBSERVED...HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN MIDLAND.

&&
Special weather statement, Oct 21, 2:46 PM CDT, 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
246 PM CDT THU OCT 21 2010

TXZ075-212015-
PECOS-
246 PM CDT THU OCT 21 2010

...SIGNIFICANT WEATHER ADVISORY FOR STRONG THUNDERSTORMS AFFECTING
NORTH CENTRAL PECOS COUNTY UNTIL 315 PM CDT...

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT...

A STRONG THUNDERSTORM WAS LOCATED OVER CENTRAL PECOS COUNTY AT 246 PM
CDT...MOVING NORTHEAST AT 30 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT. IF SEVERE WEATHER IS
OBSERVED OR A WARNING IS ISSUED...ACT QUICKLY AND MOVE TO A PLACE OF
SAFETY IN A STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR
ROOM.

GUSTY WINDS... HAIL... HEAVY RAIN... AND DEADLY LIGHTNING ARE
POSSIBLE.

IF SEVERE WEATHER IS OBSERVED...HAVE THE NEAREST LAW ENFORCEMENT
AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN MIDLAND.

[NO.NE.YES] A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000
PM CDT THURSDAY EVENING FOR SOUTHWESTERN TEXAS.

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 20, 11:11 PM CDTSevere Thunderstorm WarningMAFCulberson64 min
Oct 21, 3:07 PM CDTSevere Thunderstorm WarningMAFCrane, Pecos, Ward53 min
Oct 21, 3:36 PM CDTSevere Thunderstorm WarningMAFCrane, Pecos, Upton54 min
Oct 21, 3:48 PM CDTSevere Thunderstorm WarningMAFCrane, Upton42 min
Oct 21, 3:56 PM CDTSevere Thunderstorm WarningMAFPecos, Reeves, Ward49 min
Oct 21, 4:20 PM CDTTornado WarningMAFCrane, Pecos, Upton55 min
Oct 21, 4:30 PM CDTSevere Thunderstorm WarningMAFCrane, Ward60 min
Oct 21, 4:31 PM CDTSevere Thunderstorm WarningMAFCrane, Pecos, Upton59 min
Oct 21, 4:48 PM CDTTornado WarningMAFCrane, Upton42 min
Oct 21, 5:19 PM CDTSevere Thunderstorm WarningMAFAndrews56 min
Oct 21, 5:28 PM CDTSevere Thunderstorm WarningMAFReagan, Upton49 min
Oct 21, 5:31 PM CDTTornado WarningMAFUpton45 min
Oct 21, 5:44 PM CDTSevere Thunderstorm WarningMAFAndrews, Gaines61 min
Oct 21, 6:13 PM CDTSevere Thunderstorm WarningMAFAndrews, Ector, Gaines, Winkler62 min
Oct 20, 10:05 PM CDTSevere Thunderstorm WarningMAFEddy55 min
Oct 20, 10:56 PM CDTSevere Thunderstorm WarningMAFEddy64 min

Nearby

Severe Thunderstorm Warnings in Texas, 2010Every severe thunderstorm warning in 2010

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.