Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 43, NWS San Angelo, TX

May 7, 2014Callahan County, Coleman County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 7, 2014, 5:57 PM CDT for Callahan County, Coleman County, Texas. It was in force for 48 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
May 7, 2014, 5:57 PM CDT (22:57 UTC)
Expired
May 7, 2014, 6:45 PM CDT
In force
48 min
Issued by
NWS San Angelo, TX
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

Counties Callahan County, TX, Coleman County, TX

The radar

The Dyess AFB radar (KDYX), 58 km from the middle of the area, began a volume at 23:00 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
May 7, 2:18 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.0 hours before the alert went out and 218 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, Fort Worth, TX at 12:00Z on 2014-05-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 415 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, Fort Worth, TX at 12:00Z on 2014-05-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 285 square meters per square second.19395878Sfc1 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
415 J/kg
Mixed-layer CIN
-625 J/kg
Mixed-layer LCL
804 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
285 m²/s²
0-3 km storm-relative helicity
278 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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 7, 3:35 PM CDT, 2 hours 22 minutes earlier.

Area forecast discussion, May 7, 3:35 PM CDT, 2 hours 22 minutes before
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Hazardous weather outlook, May 7, 3:39 PM CDT, 2 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SAN ANGELO TX
339 PM CDT WED MAY 7 2014

TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-
140-154-155-168>170-082045-
FISHER-NOLAN-STERLING-COKE-RUNNELS-IRION-TOM GREEN-CONCHO-
CROCKETT-SCHLEICHER-SUTTON-HASKELL-THROCKMORTON-JONES-SHACKELFORD-
TAYLOR-CALLAHAN-COLEMAN-BROWN-MCCULLOCH-SAN SABA-MENARD-KIMBLE-
MASON-
339 PM CDT WED MAY 7 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL
TEXAS.

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS AFTERNOON
AND EVENING ACROSS WEST CENTRAL TEXAS. THUNDERSTORM COVERAGE IS
EXPECTED TO INCREASE AFTER MIDNIGHT. SOME STORMS MAY BECOME
SEVERE...MAINLY THIS AFTERNOON AND EVENING. THE MAIN HAZARDS WILL
BE LARGE HAIL...DAMAGING WINDS...AND DANGEROUS CLOUD TO GROUND
LIGHTNING.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

ELEVATED TO NEAR CRITICAL FIRE WEATHER CONDITIONS WILL BE
POSSIBLE THURSDAY AFTERNOON...GENERALLY WEST OF A HASKELL...TO
BALLINGER...TO SONORA LINE.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE THIS AFTERNOON AND TONIGHT.

In the hours before

Special weather statement, May 7, 2:34 PM CDT, 3 hours 23 minutes before
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Special weather statement, May 7, 3:38 PM CDT, 2 hours 19 minutes before
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Special weather statement, May 7, 5:03 PM CDT, 54 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
503 PM CDT WED MAY 7 2014

TXZ098-072230-
HASKELL TX-
503 PM CDT WED MAY 7 2014

...SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 530 PM CDT FOR
HASKELL COUNTY...

AT 500 PM CDT...A STRONG THUNDERSTORM WAS INDICATED BY NATIONAL
WEATHER SERVICE DOPPLER RADAR OVER O'BRIEN...OR ABOUT 16 MILES
NORTHWEST OF HASKELL...MOVING NORTHEAST AT 25 MPH.

THE STRONG THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF...
  NORTHWESTERN HASKELL COUNTY.

NICKEL SIZE HAIL AND WIND GUSTS TO 50 MPH ARE LIKELY WITH THIS STORM.
HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON AREA ROADWAYS...
ESPECIALLY THOSE IN POOR DRAINAGE AREAS. RESIDENTS ARE ENCOURAGED TO
MONITOR THE SITUATION CLOSELY AND BE PREPARED TO TAKE THE PROPER
ACTIONS SHOULD A WARNING BE ISSUED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
WEDNESDAY EVENING FOR WEST CENTRAL TEXAS.

LAT...LON 3340 9962 3328 9973 3328 9999 3340 9998
TIME...MOT...LOC 2203Z 210DEG 29KT 3339 9984
Special weather statement, May 7, 5:48 PM CDT, 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN ANGELO TX
548 PM CDT WED MAY 7 2014

TXZ139-072315-
COLEMAN TX-
548 PM CDT WED MAY 7 2014

...SIGNIFICANT WEATHER ADVISORY EFFECTIVE UNTIL 615 PM CDT FOR
COLEMAN COUNTY...

AT 546 PM CDT...A STRONG THUNDERSTORM WAS INDICATED BY NATIONAL
WEATHER SERVICE DOPPLER RADAR 5 MILES WEST OF VALERA...OR ABOUT 12
MILES WEST OF COLEMAN...MOVING NORTH AT 30 MPH.

* THE STRONG THUNDERSTORM WILL BE NEAR...
  HORDS CREEK RESERVOIR BY 555 PM CDT
  GLEN COVE BY 600 PM CDT
  SILVER VALLEY BY 610 PM CDT
  NOVICE...LAKE COLEMAN AND GOLDSBORO BY 615 PM CDT

NICKEL SIZE HAIL AND WIND GUSTS TO 50 MPH ARE LIKELY WITH THIS STORM.
HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON AREA ROADWAYS...
ESPECIALLY THOSE IN POOR DRAINAGE AREAS. RESIDENTS ARE ENCOURAGED TO
MONITOR THE SITUATION CLOSELY AND BE PREPARED TO TAKE THE PROPER
ACTIONS SHOULD A WARNING BE ISSUED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT
WEDNESDAY EVENING FOR WEST CENTRAL TEXAS.

LAT...LON 3149 9955 3155 9967 3156 9967 3155 9968
      3156 9970 3158 9971 3157 9972 3208 9971
      3207 9924
TIME...MOT...LOC 2248Z 193DEG 28KT 3178 9962

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 7:04 PM CDTSpecial Weather StatementSJTThrockmorton26 min
May 7, 3:44 AM CDTSpecial Weather StatementSJTSutton31 min
May 7, 2:34 PM CDTSpecial Weather StatementSJTThrockmorton56 min
May 7, 2:45 PM CDTSevere Thunderstorm WarningSJTThrockmorton45 min
May 7, 3:38 PM CDTSpecial Weather StatementSJTThrockmorton52 min
May 7, 5:03 PM CDTSpecial Weather StatementSJTHaskell27 min
May 7, 5:48 PM CDTSpecial Weather StatementSJTColeman27 min
May 7, 6:32 PM CDTSpecial Weather StatementSJTCallahan28 min
May 7, 6:46 PM CDTSpecial Weather StatementSJTSutton29 min
May 7, 6:57 PM CDTSevere Thunderstorm WarningSJTCrockett, Schleicher, Sutton33 min

Nearby

Severe Thunderstorm Warnings in Texas, 2014Every severe thunderstorm warning in 2014

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.