Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 259, NWS Midland/Odessa, TX

June 21, 2009Pecos County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Jun 21, 2009, 4:56 PM CDT for Pecos County, Texas. It was in force for 49 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
Jun 21, 2009, 4:56 PM CDT (21:56 UTC)
Expired
Jun 21, 2009, 5:45 PM CDT
In force
49 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 21:59 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, 9.9 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 2009-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1063 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 2009-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
1063 J/kg
Mixed-layer CIN
-111 J/kg
Mixed-layer LCL
970 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

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 Jun 21, 2:46 PM CDT, 2 hours 10 minutes earlier.

Area forecast discussion, Jun 21, 2:46 PM CDT, 2 hours 10 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
246 PM CDT SUN JUN 21 2009

.DISCUSSION...
A VERY MOIST AIRMASS REMAINS IN PLACE ACROSS MUCH OF WEST TEXAS AND
SOUTHEAST NEW MEXICO THIS AFTERNOON...WITH SURFACE DEWPOINTS AS HIGH
AS 70 F IN THE EASTERN PERMIAN BASIN. THE SUBTROPICAL RIDGE REMAINS
CENTERED ACROSS AR/LA/MS EARLY THIS AFTERNOON. A NARROW TONGUE OF
MID LEVEL MOISTURE IS STRETCHING ACROSS WEST AND SOUTHWEST TEXAS AND
SOUTHEASTERN NEW MEXICO ON THE WESTERN SIDE OF THIS FEATURE.
ISOLATED TO SCATTERED THUNDERSTORMS ARE DEVELOPING WITHIN THE MID
LEVEL MOIST AXIS THIS AFTERNOON...WITH THE GREATEST COVERAGE IN THE
BIG BEND REGION. WILL CONTINUE TO CARRY 20-30 PCT POPS GENERALLY
ALONG AND WEST OF THE PECOS RIVER THROUGH THE REMAINDER OF THE
AFTERNOON. THE MID LEVEL THETA-E RIDGE AXIS WILL GRADUALLY SHIFT
WESTWARD THIS EVENING. WILL CARRY A SLIGHT CHANCE OF THUNDERSTORMS
THROUGH TONIGHT...MAINLY ACROSS SOUTHWEST TEXAS UNDERNEATH THE BEST
THETA-E RIDGING.

THE SUBTROPICAL RIDGE WILL SLOWLY BUILD WESTWARD OVER THE NEXT
SEVERAL DAYS. THE MID LEVEL MOIST AXIS WILL BECOME ORIENTED ACROSS
THE WESTERN THIRD OF THE CWFA MONDAY AFTERNOON AND EVENING...AND
HAVE DRAWN ISOLATED/SLIGHT CHANCE OF THUNDERSTORMS MAINLY WEST OF AN
ARTESIA...BALMORHEA...ALPINE LINE UNDERNEATH THIS AXIS. THE UPPER
RIDGE WILL THEN HOLD A STRONG INFLUENCE TUESDAY THROUGH THE END OF
THE WEEK...LENDING TO A DRIER AND WARMER FORECAST ACROSS THE REGION.
GENERALLY WENT A LITTLE BELOW GUIDANCE NUMBERS THROUGH THE EXTENDED
PERIOD...BASED ON DECENT AGREEMENT AMONGST 850 MB TEMPERATURE PROGS
AS SHOWN ON THE LATEST RUNS OF THE WRF/GFS/ECMWF MODEL SOLUTIONS.
OVERNIGHT LOWS SHOULD VARY LITTLE.

&&

.PRELIMINARY POINT TEMPS/POPS...
BIG SPRING TX              72  94  71  95  /  10   0   0  10
CARLSBAD NM                68  95  66  95  /  10  10  10  10
DRYDEN TX                  72  93  72  94  /  10   0  10  10
FORT STOCKTON TX           72  93  71  94  /  10   0   0   0
GUADALUPE PASS TX          68  88  66  88  /  10  20  10  10
HOBBS NM                   68  94  67  94  /  10  10  10   0
MARFA TX                   61  86  57  86  /  20  20  10  10
MIDLAND INTL AIRPORT TX    71  94  70  94  /  10   0   0   0
ODESSA TX                  72  94  71  94  /  10   0   0   0
WINK TX                    72  96  72  96  /  10  10   0   0

&&

.MAF WATCHES/WARNINGS/ADVISORIES...
NM...NONE.
TX...NONE.

&&

67/21
Hazardous weather outlook, Jun 21, 12:07 PM CDT, 4 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
1207 PM CDT SUN JUN 21 2009

NMZ027>029-033-034-TXZ045>048-050>053-057>063-067>070-074-075-
079>082-258-221715-
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-
1207 PM CDT SUN JUN 21 2009 /1107 AM MDT SUN JUN 21 2009/

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL DEVELOP OVER THE HIGHER TERRAIN OF
WEST TEXAS THIS AFTERNOON AND EVENING NEAR THE DAVIS MOUNTAINS...
SOUTH TO THE BIG BEND REGION.  HEAVY RAINFALL WILL BE THE PRIMARY
THREAT...BUT A STORM OR TWO COULD PRODUCE STRONG WINDS OR HAIL.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.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, Jun 21, 3:52 PM CDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
352 PM CDT SUN JUN 21 2009

TXZ081-212115-
BIG BEND AREA-
352 PM CDT SUN JUN 21 2009

...SIGNIFICANT WEATHER ALERT...

THIS SIGNIFICANT WEATHER ALERT IS FOR CENTRAL BREWSTER COUNTY.

A STRONG THUNDERSTORM WAS LOCATED ALONG HIGHWAY 385...20 MILES SOUTH
OF PERSIMMON GAP IN CENTRAL BREWSTER COUNTY AT 350 PM CDT...MOVING
NORTH AT 10 MPH.

GUSTY WINDS TO 50 MPH...HAIL...HEAVY RAIN...AND DEADLY LIGHTNING ARE
POSSIBLE WITH THIS STORM.

SEEK SHELTER IF THUNDERSTORMS APPROACH YOUR LOCATION.
Special weather statement, Jun 21, 3:53 PM CDT, 1 hour 3 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
353 PM CDT SUN JUN 21 2009

TXZ081-212130-
BIG BEND AREA-
353 PM CDT SUN JUN 21 2009

...SIGNIFICANT WEATHER ALERT...

THIS SIGNIFICANT WEATHER ALERT IS FOR CENTRAL BREWSTER COUNTY.

A THUNDERSTORM WITH SMALL HAIL AND GUSTY WINDS WAS LOCATED
IN OPEN COUNTRY 15 MILES EAST OF PERSIMMON GAP IN CENTRAL BREWSTER
COUNTY AT 353 PM CDT...MOVING NORTH AT 10 MPH.

PEA TO MARBLE SIZED HAIL AND WINDS GUSTING TO AROUND 50 MPH ARE
POSSIBLE.

SEEK SHELTER IF THUNDERSTORMS APPROACH YOUR LOCATION.
Special weather statement, Jun 21, 3:55 PM CDT, 1 hour 1 minute before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
355 PM CDT SUN JUN 21 2009

TXZ081-212130-
BIG BEND AREA-
355 PM CDT SUN JUN 21 2009

...SIGNIFICANT WEATHER ALERT...

THIS SIGNIFICANT WEATHER ALERT IS FOR CENTRAL BREWSTER COUNTY.

A STRONG THUNDERSTORM WITH HAIL AND GUSTY WINDS WAS LOCATED 5 MILES
NORTH OF TERLINGUA RANCH IN CENTRAL BREWSTER COUNTY AT 355 PM
CDT...MOVING NORTH AT 10 MPH.

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

SEEK SHELTER IF THUNDERSTORMS APPROACH YOUR LOCATION.
Special weather statement, Jun 21, 4:02 PM CDT, 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
402 PM CDT SUN JUN 21 2009

TXZ074-212145-
DAVIS/APACHE MOUNTAINS AREA-
402 PM CDT SUN JUN 21 2009

...SIGNIFICANT WEATHER ALERT...

THIS SIGNIFICANT WEATHER ALERT IS FOR CENTRAL JEFF DAVIS COUNTY.

A STRONG THUNDERSTORM WAS LOCATED 3 MILES NORTHWEST OF MCDONALD
OBSERVATORY AT 359 PM CDT. THE STORM WAS NEARLY STATIONARY.

AREAS IMPACTED BY THIS THUNDERSTORM INCLUDE THE MCDONALD OBSERVATORY
AND STATE HIGHWAY 118 NORTH OF THE MCDONALD OBSERVATORY.

GUSTY WINDS TO 50 MPH...HAIL...HEAVY RAIN...AND DEADLY LIGHTNING ARE
POSSIBLE WITH THIS STORM.

SEEK SHELTER IF THUNDERSTORMS APPROACH YOUR LOCATION.
Special weather statement, Jun 21, 4:34 PM CDT, 22 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 4:13 PM CDTSevere Thunderstorm WarningMAFBrewster47 min
Jun 21, 6:08 PM CDTSevere Thunderstorm WarningMAFPresidio38 min
Jun 21, 6:32 PM CDTSevere Thunderstorm WarningMAFBrewster, Jeff Davis58 min
Jun 21, 6:44 PM CDTAreal Flood AdvisoryMAFBrewster, Jeff Davis, Presidio3 hr

Nearby

Severe Thunderstorm Warnings in Texas, 2009Every severe thunderstorm warning in 2009

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.