Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 252, NWS Midland/Odessa, TX

June 17, 2009Jeff Davis County, Pecos County, Reeves County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Jun 17, 2009, 3:14 PM CDT for Jeff Davis County, Pecos County, Reeves County, Texas. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 17, 2009, 3:14 PM CDT (20:14 UTC)
Expired
Jun 17, 2009, 4:15 PM CDT
In force
61 min
Issued by
NWS Midland/Odessa, TX
Area
Storm-based polygon

Counties Jeff Davis County, TX, Pecos County, TX, Reeves County, TX

The radar

The Midland/Odessa radar (KMAF), 177 km from the middle of the area, began a volume at 20:14 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, 8.2 hours before the alert went out and 177 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 2009-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 398 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 2009-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
398 J/kg
Mixed-layer CIN
-540 J/kg
Mixed-layer LCL
1969 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS54 KMAF 172014
SVRMAF
TXC243-371-389-172115-
/O.NEW.KMAF.SV.W.0252.090617T2014Z-090617T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
314 PM CDT WED JUN 17 2009

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL PECOS COUNTY IN SOUTHWEST TEXAS...
  SOUTHERN REEVES COUNTY IN SOUTHWEST TEXAS...
  NORTHEASTERN JEFF DAVIS COUNTY IN SOUTHWEST TEXAS...

* UNTIL 415 PM CDT

* AT 312 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 10
  MILES SOUTHEAST OF TOYAVALE...OR 19 MILES NORTHEAST OF FORT
  DAVIS...MOVING NORTHEAST AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT THE FOLLOWING LOCATIONS...
  TOYAVALE...
  BALMORHEA...
  SARAGOSA...
  VERHALEN...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE WARNED AREA INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 197 AND
234.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS... DEADLY CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. REMEMBER...IF YOU CAN
HEAR THUNDER... YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. SEEK
SAFE SHELTER NOW.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH... PREPARE
IMMEDIATELY FOR DAMAGING WINDS... DESTRUCTIVE HAIL... AND DEADLY
CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AWAY FROM WINDOWS.

&&

LAT...LON 3124 10388 3106 10316 3066 10360 3078 10395
TIME...MOT...LOC 2013Z 205DEG 14KT 3081 10371

$$
2 follow-up statements
000 
WWUS54 KMAF 172100
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
400 PM CDT WED JUN 17 2009

TXC243-371-389-172115-
/O.CON.KMAF.SV.W.0252.000000T0000Z-090617T2115Z/
PECOS TX-REEVES TX-JEFF DAVIS TX-
400 PM CDT WED JUN 17 2009

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR NORTHEASTERN JEFF DAVIS...SOUTHERN REEVES AND WEST CENTRAL PECOS
COUNTIES...

AT 358 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR SARAGOSA...OR ABOUT 31 MILES NORTHEAST OF FORT 
DAVIS...MOVING NORTHEAST AT 15 MPH. ANOTHER STRONG THUNDERSTORM HAS 
NOW DEVELOPED NORTH OF FORT DAVIS NEAR THE JEFF DAVIS AND REEVES 
COUNTY LINE. IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...VERY 
HEAVY RAINFALL IS OCCURRING WITH THESE STORMS AND FLASH FLOODING IS 
LIKELY. THIS REMAINS A VERY DANGEROUS SITUATION.  

SOME LOCATIONS AFFECTED BY THE SEVERE THUNDERSTORM INCLUDE...SARAGOSA
AND VERHALEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE WARNED AREA INCLUDES INTERSTATE 10 BETWEEN MILE MARKERS 197 AND
233.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS... DEADLY CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. REMEMBER... IF YOU CAN
HEAR THUNDER... YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. SEEK
SAFE SHELTER NOW.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH... PREPARE
IMMEDIATELY FOR DAMAGING WINDS... DESTRUCTIVE HAIL... AND DEADLY
CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AWAY FROM WINDOWS.

&&

LAT...LON 3124 10388 3106 10316 3066 10360 3078 10395
TIME...MOT...LOC 2058Z 205DEG 14KT 3097 10362

$$
000 
WWUS54 KMAF 172115
SVSMAF

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
415 PM CDT WED JUN 17 2009

TXC243-371-389-172124-
/O.EXP.KMAF.SV.W.0252.000000T0000Z-090617T2115Z/
PECOS TX-REEVES TX-JEFF DAVIS TX-
415 PM CDT WED JUN 17 2009

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN JEFF DAVIS...
SOUTHERN REEVES AND WEST CENTRAL PECOS COUNTIES WILL EXPIRE AT 415 PM
CDT...

AT 414 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE STORM THAT PROMPTED THE SEVERE THUNDERSTORM WARNING HAD WEAKENED.
THEREFORE THE SEVERE THUNDERSTORM WARNING WILL BE ALLOWED TO EXPIRE. 
ANOTHER STRONG THUNDERSTORM REMAINS POSITIONED ACROSS EASTERN JEFF 
DAVIS COUNTY...EAST OF STATE HIGHWAY 17. HEAVY RAINFALL AND FLASH 
FLOODING WILL REMAIN POSSIBLE WITH THIS STORM.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

ALTHOUGH THE THREAT OF SEVERE WEATHER HAS PASSED... PONDING OF WATER
WILL LIKELY CONTINUE ON SOME ROADWAYS. MOTORISTS SHOULD REMAIN
CAUTIOUS AND BE PREPARED TO SLOW DOWN IF WATER IS ENCOUNTERED TO
PREVENT HYDROPLANING AND LOSS OF VEHICLE CONTROL.

&&

LAT...LON 3124 10388 3106 10316 3066 10360 3078 10395
TIME...MOT...LOC 2114Z 205DEG 14KT 3103 10359

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 3:41 PM CDTFlash Flood WarningMAFJeff Davis, Pecos, Reeves4 hr
Jun 17, 4:37 PM CDTSevere Thunderstorm WarningMAFPecos, Reeves53 min

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.