Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 114, NWS Lubbock, TX

August 28, 2014Hall County, Texas

NWS Lubbock, TX issued this severe thunderstorm warning at Aug 28, 2014, 3:41 PM CDT for Hall 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
Aug 28, 2014, 3:41 PM CDT (20:41 UTC)
Expired
Aug 28, 2014, 4:30 PM CDT
In force
49 min
Issued by
NWS Lubbock, TX
Area
Storm-based polygon
Hail
2.0 in
Wind
60.0 mph

County Hall County, TX

The radar

The Amarillo radar (KAMA), 122 km from the middle of the area, began a volume at 20:45 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

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.7 hours before the alert went out and 121 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, Amarillo Airport, TX at 12:00Z on 2014-08-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 677 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, Amarillo Airport, TX at 12:00Z on 2014-08-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 99 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
677 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
1429 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
99 m²/s²
0-3 km storm-relative helicity
108 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 Lubbock, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 28, 3:31 PM CDT, 10 minutes earlier.

Area forecast discussion, Aug 28, 3:31 PM CDT, 10 minutes before
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Hazardous weather outlook, Aug 28, 5:46 AM CDT, 9 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LUBBOCK TX
546 AM CDT THU AUG 28 2014

TXZ021>044-291100-
PARMER-CASTRO-SWISHER-BRISCOE-HALL-CHILDRESS-BAILEY-LAMB-HALE-
FLOYD-MOTLEY-COTTLE-COCHRAN-HOCKLEY-LUBBOCK-CROSBY-DICKENS-KING-
YOAKUM-TERRY-LYNN-GARZA-KENT-STONEWALL-
546 AM CDT THU AUG 28 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EXTREME SOUTHERN TEXAS
PANHANDLE...SOUTH PLAINS AND ROLLING PLAINS.

.DAY ONE...TONIGHT

CONVECTIVE

SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP
ACROSS THE SOUTH PLAINS AREA THIS AFTERNOON AND EVENING. SOME OF
THESE STORMS MAY BE STRONG...AND BRIEFLY SEVERE. LARGE HAIL AND
DAMAGING WIND GUSTS ARE THE MAIN THREATS. IN ADDITIONS...STORMS
WILL BE CAPABLE OF PRODUCING HEAVY RAINFALL WHICH MAY RESULT IN
MINOR FLOODING.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER ACTIVATION STATEMENT...

LIMITED SPOTTER ACTIVATION IS POSSIBLE THIS AFTERNOON AND EVENING.

In the hours before

Special weather statement, Aug 28, 1:30 PM CDT, 2 hours 11 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
130 PM CDT THU AUG 28 2014

TXZ024-025-281900-
BRISCOE-HALL-
130 PM CDT THU AUG 28 2014

...SIGNIFICANT WEATHER ADVISORY FOR BRISCOE  AND HALL COUNTIES...

AT 126 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER WEST CENTRAL HALL COUNTY...MOVING NORTHEAST
AT 10 MPH.

IN ADDITION...ONE HALF INCH DIAMETER HAIL...WINDS UP TO 50 MPH...
FREQUENT CLOUD TO GROUND LIGHTNING...BRIEF MODERATE DOWNPOURS...ARE
POSSIBLE WITH THIS STORM.

GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS
PASSED.

LAT...LON 3465 10062 3450 10093 3461 10101 3475 10089
      3475 10080
TIME...MOT...LOC 1830Z 225DEG 9KT 3461 10090
Special weather statement, Aug 28, 1:58 PM CDT, 1 hour 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
158 PM CDT THU AUG 28 2014

TXZ025-281930-
HALL-
158 PM CDT THU AUG 28 2014

...SIGNIFICANT WEATHER ADVISORY FOR HALL COUNTY...

AT 156 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER WEST CENTRAL HALL COUNTY...MOVING NORTHEAST
AT 5 MPH.

IN ADDITION...NICKEL SIZE HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD
TO GROUND LIGHTNING...FREQUENT DOWNPOURS...ARE POSSIBLE WITH THIS
STORM.

GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS
PASSED.

LAT...LON 3472 10058 3456 10077 3452 10093 3458 10095
      3472 10094 3476 10089 3475 10067
TIME...MOT...LOC 1858Z 234DEG 4KT 3461 10085
Special weather statement, Aug 28, 2:32 PM CDT, 1 hour 9 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
232 PM CDT THU AUG 28 2014

TXZ025-282000-
HALL-
232 PM CDT THU AUG 28 2014

...SIGNIFICANT WEATHER ADVISORY FOR HALL COUNTY...

AT 229 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER CENTRAL HALL COUNTY...MOVING NORTHEAST AT 15
MPH.

IN ADDITION...NICKEL SIZE HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD
TO GROUND LIGHTNING...FREQUENT DOWNPOURS...ARE POSSIBLE WITH THIS
STORM.

GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS
PASSED.

LAT...LON 3459 10053 3444 10076 3441 10094 3474 10095
      3476 10086 3475 10054
TIME...MOT...LOC 1932Z 238DEG 19KT 3462 10078
Special weather statement, Aug 28, 2:58 PM CDT, 43 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
258 PM CDT THU AUG 28 2014

TXZ025-282045-
HALL-
258 PM CDT THU AUG 28 2014

...SIGNIFICANT WEATHER ADVISORY FOR HALL COUNTY...

AT 253 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER WEST CENTRAL HALL COUNTY...MOVING NORTHEAST
AT 20 MPH.

IN ADDITION...NICKEL SIZE HAIL...WINDS UP TO 50 MPH...CONTINUOUS
CLOUD TO GROUND LIGHTNING...FREQUENT DOWNPOURS...ARE POSSIBLE WITH
THIS STORM.

GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS
PASSED.

LAT...LON 3475 10061 3462 10045 3444 10083 3443 10094
      3467 10095 3475 10085
TIME...MOT...LOC 1957Z 236DEG 30KT 3459 10082
Special weather statement, Aug 28, 3:08 PM CDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LUBBOCK TX
308 PM CDT THU AUG 28 2014

TXZ029-030-282045-
FLOYD-HALE-
308 PM CDT THU AUG 28 2014

...SIGNIFICANT WEATHER ADVISORY FOR HALE  AND FLOYD COUNTIES...

AT 304 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM OVER EAST CENTRAL HALE COUNTY...MOVING NORTHEAST
AT 15 MPH.

IN ADDITION...PENNY SIZE HAIL...WINDS UP TO 50 MPH...FREQUENT CLOUD
TO GROUND LIGHTNING...FREQUENT DOWNPOURS...ARE POSSIBLE WITH THIS
STORM.

GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS
PASSED.

LAT...LON 3427 10151 3405 10136 3393 10179 3413 10179
TIME...MOT...LOC 2008Z 247DEG 12KT 3409 10161

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 28, 1:30 PM CDTSpecial Weather StatementLUBHall30 min
Aug 28, 1:58 PM CDTSpecial Weather StatementLUBHall32 min
Aug 28, 2:32 PM CDTSpecial Weather StatementLUBHall28 min
Aug 28, 2:58 PM CDTSpecial Weather StatementLUBHall47 min
Aug 28, 3:08 PM CDTSpecial Weather StatementLUBHale37 min
Aug 28, 3:25 PM CDTAreal Flood AdvisoryLUBHall95 min
Aug 28, 3:37 PM CDTSevere Thunderstorm WarningLUBFloyd23 min
Aug 28, 3:46 PM CDTSpecial Weather StatementLUBLubbock29 min
Aug 28, 4:00 PM CDTSpecial Weather StatementLUBLynn30 min
Aug 28, 4:03 PM CDTSpecial Weather StatementLUBFloyd27 min
Aug 28, 4:11 PM CDTSpecial Weather StatementLUBLubbock34 min
Aug 28, 4:29 PM CDTSpecial Weather StatementLUBHall46 min
Aug 28, 4:31 PM CDTSpecial Weather StatementLUBFloyd29 min
Aug 28, 4:44 PM CDTSpecial Weather StatementLUBLubbock31 min
Aug 28, 4:50 PM CDTSpecial Weather StatementLUBMotley10 min
Aug 28, 4:54 PM CDTSpecial Weather StatementLUBCrosby36 min
Aug 28, 4:56 PM CDTAreal Flood AdvisoryLUBChildress, Hall, Motley2 hr
Aug 28, 4:59 PM CDTSpecial Weather StatementLUBMotley16 min
Aug 28, 5:06 PM CDTAreal Flood AdvisoryLUBLubbock54 min
Aug 28, 5:10 PM CDTSevere Thunderstorm WarningLUBChildress35 min
Aug 28, 5:14 PM CDTSpecial Weather StatementLUBMotley16 min
Aug 28, 5:15 PM CDTSevere Thunderstorm WarningLUBLubbock22 min
Aug 28, 5:22 PM CDTSevere Thunderstorm WarningLUBCottle, Motley23 min
Aug 28, 6:04 PM CDTSevere Thunderstorm WarningLUBCottle41 min
Aug 28, 6:05 PM CDTSevere Thunderstorm WarningLUBDickens40 min
Aug 28, 6:33 PM CDTAreal Flood AdvisoryLUBCottle, King117 min
Aug 28, 6:38 PM CDTSevere Thunderstorm WarningLUBDickens, King25 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.