Alert archive / Texas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 38, NWS Fort Worth, TX

April 3, 2014Delta County, Lamar County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 3, 2014, 11:38 AM CDT for Delta County, Lamar County, Texas. It was in force for 67 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: Apr 3, 2014, 11:38 AM CDT (16:38 UTC)
Expired: Apr 3, 2014, 12:45 PM CDT
In force: 67 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon

Counties Delta County, TX, Lamar County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 189 km from the middle of the area, began a volume at 16:38 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

Fort Worth, TX (KFWD), launched 12:00Z, 4.6 hours before the alert went out and 174 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2909 J/kg
Mixed-layer CIN: -177 J/kg
Mixed-layer LCL: 701 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 297 m²/s²
0-3 km storm-relative helicity: 345 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 4.7

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 Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 3, 10:47 AM CDT, 51 minutes earlier.

Area forecast discussion, Apr 3, 10:47 AM CDT, 51 minutes before

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Hazardous weather outlook, Apr 3, 11:19 AM CDT, 19 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
1119 AM CDT THU APR 3 2014

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-041200-
MONTAGUE-COOKE-GRAYSON-FANNIN-LAMAR-YOUNG-JACK-WISE-DENTON-COLLIN-
HUNT-DELTA-HOPKINS-STEPHENS-PALO PINTO-PARKER-TARRANT-DALLAS-
ROCKWALL-KAUFMAN-VAN ZANDT-RAINS-EASTLAND-ERATH-HOOD-SOMERVELL-
JOHNSON-ELLIS-HENDERSON-COMANCHE-MILLS-HAMILTON-BOSQUE-HILL-NAVARRO-
FREESTONE-ANDERSON-LAMPASAS-CORYELL-BELL-MCLENNAN-FALLS-LIMESTONE-
LEON-MILAM-ROBERTSON-
1119 AM CDT THU APR 3 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TODAY AND TONIGHT.
THERE WILL BE A RISK OF SEVERE THUNDERSTORMS THROUGH THIS EVENING
ACROSS PARTS OF NORTH TEXAS. THE RISK AREA IS EAST OF A LINE FROM
BOWIE TO MINERAL WELLS TO COMANCHE...AND INCLUDES THE DFW
METROPLEX AND THE WACO/TEMPLE/KILLEEN AREAS. LARGE HAIL AND DAMAGING
THUNDERSTORM WINDS ARE THE MAIN THREATS...BUT ONE OR TWO TORNADOES
MAY ALSO OCCUR.

ELEVATED FIRE WEATHER CONDITIONS WILL DEVELOP ALONG AND WEST OF
INTERSTATE 35 BY AFTERNOON AS GUSTY SOUTHWEST WINDS DEVELOP AND
RELATIVE HUMIDITY VALUES DROP BELOW 30 PERCENT. A RED FLAG WARNING
WILL BE IN EFFECT THIS AFTERNOON AND THIS EVENING IN AREAS ALONG
AND WEST OF A LINE FROM NOCONA...TO GLEN ROSE...TO COMANCHE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.
LOW THUNDERSTORM CHANCES WILL RETURN SATURDAY NIGHT THROUGH
SUNDAY NIGHT...BUT THE ACTIVITY IS NOT EXPECTED TO BE SEVERE.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUESTED THROUGH THIS AFTERNOON IN THE
RISK AREA. SPOTTER ACTIVATION MAY BE REQUESTED THROUGH THIS
EVENING IN AREAS ALONG AND EAST OF INTERSTATE 35.

In the hours before

Local storm report, Apr 3, 8:45 AM CDT, 2 hours 53 minutes before

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Local storm report, Apr 3, 8:48 AM CDT, 2 hours 50 minutes before

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Local storm report, Apr 3, 9:02 AM CDT, 2 hours 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
902 AM CDT THU APR 03 2014

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

0900 AM     HAIL             SADLER                  33.68N  96.85W
04/03/2014  E0.75 INCH       GRAYSON            TX   TRAINED SPOTTER

            DIME SIZE HAIL 5 NORTH OF SADLER

Special weather statement, Apr 3, 10:43 AM CDT, 55 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1043 AM CDT THU APR 3 2014

TXZ120-031615-
ROCKWALL TX-
1043 AM CDT THU APR 3 2014

...SIGNIFICANT WEATHER ADVISORY FOR...
  ROCKWALL COUNTY

AT 1043 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 6 MILES SOUTH OF ROCKWALL...MOVING NORTHEAST AT
50 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE FATE...HEATH...ROCKWALL AND
ROYSE CITY.

FREQUENT CLOUD TO GROUND LIGHTNING...VERY HEAVY RAINFALL...PEA-SIZED
HAIL...AND WIND GUSTS TO 40 MPH CAN BE EXPECTED FROM THIS STORM.

IF THIS STORM INTENSIFIES...A SEVERE WEATHER WARNING MAY BE NEEDED.

LAT...LON 3282 9630 3281 9630 3282 9652 3298 9652
      3298 9651 3298 9630
TIME...MOT...LOC 1543Z 222DEG 44KT 3288 9639

CAVANAUGH

Special weather statement, Apr 3, 11:29 AM CDT, 9 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1129 AM CDT THU APR 3 2014

TXZ095-106-031700-
DELTA TX-LAMAR TX-
1129 AM CDT THU APR 3 2014

...SIGNIFICANT WEATHER ADVISORY FOR...
  DELTA COUNTY
  LAMAR COUNTY

AT 1129 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 6 MILES NORTH OF COMMERCE...MOVING NORTHEAST AT
60 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE BLOSSOM...COOPER...DEPORT...
PARIS AND COOPER LAKE PARK DOCTORS CREEK.

NICKEL-SIZED HAIL AND WIND GUSTS TO 40 MPH CAN BE EXPECTED FROM THIS
STORM.

IF THIS STORM INTENSIFIES...A SEVERE WEATHER WARNING MAY BE NEEDED.

LAT...LON 3372 9531 3339 9530 3336 9538 3337 9546
      3335 9549 3336 9559 3331 9565 3330 9575
      3325 9579 3323 9584 3326 9586 3371 9585
      3381 9545
TIME...MOT...LOC 1629Z 227DEG 51KT 3337 9582

CAVANAUGH

Local storm report, Apr 3, 11:35 AM CDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1135 AM CDT THU APR 03 2014

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

1122 AM     HAIL             GREENVILLE              33.13N  96.12W
04/03/2014  E1.00 INCH       HUNT               TX   PUBLIC

            NICKEL TO QUARTER SIZE HAIL NEAR FM 2101 AND 1570

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 6:30 AM CDT	Special Weather Statement	FWD	Wise	30 min
Apr 3, 6:57 AM CDT	Special Weather Statement	FWD	Wise	33 min
Apr 3, 7:03 AM CDT	Severe Thunderstorm Warning	FWD	Wise	42 min
Apr 3, 7:07 AM CDT	Severe Thunderstorm Warning	FWD	Cooke, Montague	68 min
Apr 3, 7:20 AM CDT	Special Weather Statement	FWD	Lamar	25 min
Apr 3, 8:10 AM CDT	Severe Thunderstorm Warning	FWD	Cooke, Grayson	65 min
Apr 3, 8:41 AM CDT	Special Weather Statement	FWD	Dallas, Denton, Tarrant	34 min
Apr 3, 9:21 AM CDT	Areal Flood Advisory	FWD	Grayson	114 min
Apr 3, 10:43 AM CDT	Special Weather Statement	FWD	Rockwall	32 min
Apr 3, 10:56 AM CDT	Severe Thunderstorm Warning	FWD	Hunt	64 min
Apr 3, 11:29 AM CDT	Special Weather Statement	FWD	Delta, Lamar	31 min
Apr 3, 1:35 PM CDT	Special Weather Statement	FWD	Wise	25 min
Apr 3, 1:53 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Denton, Wise	52 min
Apr 3, 2:27 PM CDT	Special Weather Statement	FWD	Wise	33 min
Apr 3, 2:40 PM CDT	Severe Thunderstorm Warning	FWD	Cooke, Denton, Grayson	65 min
Apr 3, 2:45 PM CDT	Severe Thunderstorm Warning	FWD	Denton, Wise	60 min
Apr 3, 3:40 PM CDT	Special Weather Statement	FWD	Erath, Hood	65 min
Apr 3, 3:41 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Denton	64 min
Apr 3, 3:44 PM CDT	Severe Thunderstorm Warning	FWD	Grayson	61 min
Apr 3, 4:19 PM CDT	Severe Thunderstorm Warning	FWD	Fannin, Grayson	56 min
Apr 3, 4:39 PM CDT	Special Weather Statement	FWD	Hood	66 min
Apr 3, 4:45 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Fannin, Hunt	60 min
Apr 3, 5:01 PM CDT	Special Weather Statement	FWD	Denton, Wise	29 min
Apr 3, 5:04 PM CDT	Severe Thunderstorm Warning	FWD	Denton, Wise	56 min
Apr 3, 5:06 PM CDT	Severe Thunderstorm Warning	FWD	Hood, Johnson, Parker, Tarrant	54 min
Apr 3, 5:14 PM CDT	Severe Thunderstorm Warning	FWD	Erath, Hood	61 min
Apr 3, 5:31 PM CDT	Special Weather Statement	FWD	Comanche	29 min
Apr 3, 5:33 PM CDT	Severe Thunderstorm Warning	FWD	Mills	42 min
Apr 3, 5:47 PM CDT	Tornado Warning	FWD	Denton	43 min
Apr 3, 5:50 PM CDT	Severe Thunderstorm Warning	FWD	Tarrant	40 min
Apr 3, 5:55 PM CDT	Special Weather Statement	FWD	Fannin, Lamar	65 min
Apr 3, 6:03 PM CDT	Tornado Warning	FWD	Fannin	27 min
Apr 3, 6:07 PM CDT	Severe Thunderstorm Warning	FWD	Bosque, Comanche, Coryell, Erath, Hamilton	53 min
Apr 3, 6:21 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Denton	54 min
Apr 3, 6:25 PM CDT	Special Weather Statement	FWD	Wise	35 min
Apr 3, 6:38 PM CDT	Severe Thunderstorm Warning	FWD	Erath, Hood, Somervell	67 min
Apr 3, 6:57 PM CDT	Special Weather Statement	FWD	Denton	33 min

Nearby

Severe Thunderstorm Warnings in Texas, 2014 Every 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.