Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 157, NWS Fort Worth, TX

May 3, 2009Lampasas County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 3, 2009, 3:42 AM CDT for Lampasas County, Texas. It was in force for 32 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 3, 2009, 3:42 AM CDT (08:42 UTC)
Expired: May 3, 2009, 4:14 AM CDT
In force: 32 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon

County Lampasas County, TX

The radar

The Ft Hood radar (KGRK), 97 km from the middle of the area, began a volume at 08:42 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 00:00Z, 8.7 hours before the alert went out and 203 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: 402 J/kg
Mixed-layer CIN: -141 J/kg
Mixed-layer LCL: 497 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 8.6

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 May 3, 12:24 AM CDT, 3 hours 18 minutes earlier.

Area forecast discussion, May 3, 12:24 AM CDT, 3 hours 18 minutes before

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Hazardous weather outlook, May 3, 3:22 AM CDT, 20 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
322 AM CDT SUN MAY 3 2009

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-041100-
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-
322 AM CDT SUN MAY 3 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TODAY AND TONIGHT.
STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE TODAY. LARGE
HAIL...DAMAGING WINDS...AND HEAVY RAINFALL ARE THE MAIN HAZARDS.

A FLASH FLOOD WATCH IS IN EFFECT FOR AREAS ALONG AND NORTH OF
INTERSTATE 20 AND ALONG AND EAST OF INTERSTATE 35 THROUGH NOON.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.
THUNDERSTORMS ARE POSSIBLE TUESDAY AND WEDNESDAY...AND AGAIN ON
FRIDAY AND SATURDAY. SEVERE WEATHER IS POSSIBLE WITH EACH EVENT.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION IS LIKELY TODAY ALONG AND EAST OF A GAINESVILLE
TO COMANCHE LINE.

SCHULTZ

In the hours before

Special weather statement, May 3, 2:40 AM CDT, 1 hour 2 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
240 AM CDT SUN MAY 3 2009

TXZ121-122-030815-
VAN ZANDT TX-KAUFMAN TX-
240 AM CDT SUN MAY 3 2009

...SIGNIFICANT WEATHER ADVISORY FOR...
  EASTERN KAUFMAN COUNTY
  NORTHWESTERN VAN ZANDT COUNTY

AT 240 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 3 MILES EAST OF KAUFMAN...MOVING NORTHEAST AT 40
MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE EDGEWOOD...KAUFMAN...WILLS
POINT AND LAKE TAWAKONI STATE PARK.

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

LAT...LON 3261 9578 3245 9630 3265 9640 3285 9599
      3285 9598
TIME...MOT...LOC 0740Z 247DEG 36KT 3260 9625

Special weather statement, May 3, 2:44 AM CDT, 58 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
244 AM CDT SUN MAY 3 2009

TXZ143-144-030815-
BOSQUE TX-HAMILTON TX-
244 AM CDT SUN MAY 3 2009

...SIGNIFICANT WEATHER ADVISORY FOR...
  NORTHERN BOSQUE COUNTY
  NORTHEASTERN HAMILTON COUNTY

AT 244 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 11 MILES NORTH OF HAMILTON...MOVING NORTHEAST AT
40 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE HICO...IREDELL...MERIDIAN
AND MERIDIAN STATE PARK.

WIND GUSTS OVER 40 MPH AND HAIL TO 1/2 INCH IN DIAMETER CAN BE
EXPECTED FROM THIS STORM.

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

LAT...LON 3222 9761 3221 9760 3220 9758 3218 9760
      3219 9757 3190 9742 3173 9802 3194 9814
TIME...MOT...LOC 0744Z 247DEG 34KT 3186 9804

Special weather statement, May 3, 3:05 AM CDT, 37 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
305 AM CDT SUN MAY 3 2009

TXZ103-104-118-119-030830-
DENTON TX-COLLIN TX-TARRANT TX-DALLAS TX-
305 AM CDT SUN MAY 3 2009

...SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHERN COLLIN COUNTY
  NORTHWESTERN DALLAS COUNTY
  SOUTHEASTERN DENTON COUNTY
  NORTHEASTERN TARRANT COUNTY

AT 304 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES NORTHEAST OF
LAKE LEWISVILLE TO HALTOM CITY...MOVING EAST AT 30 MPH.

CITIES IN THE PATH OF THESE STORMS INCLUDE
ADDISON...ARLINGTON...BEDFORD...CARROLLTON...COLLEYVILLE...COPPELL...
EULESS...FARMERS BRANCH...FRISCO...GRAPEVINE...HURST...IRVING...
LEWISVILLE...LITTLE ELM...PLANO...AND PROSPER.

WIND GUSTS TO 40 MPH AND HAIL TO 1/2 INCH IN DIAMETER CAN BE
EXPECTED FROM THESE STORMS.

LAT...LON 3323 9640 3274 9695 3263 9711 3282 9727
      3325 9693
TIME...MOT...LOC 0804Z 272DEG 24KT 3318 9690 3282 9725

Special weather statement, May 3, 3:07 AM CDT, 35 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
307 AM CDT SUN MAY 3 2009

TXZ144-145-030830-
HILL TX-BOSQUE TX-
307 AM CDT SUN MAY 3 2009

...SIGNIFICANT WEATHER ADVISORY FOR...
  BOSQUE COUNTY
  NORTHWESTERN HILL COUNTY

AT 307 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 16 MILES NORTHWEST OF CLIFTON...MOVING EAST AT 45
MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE BLUM...MERIDIAN...WHITNEY...
MERIDIAN STATE PARK AND LAKE WHITNEY STATE PARK.

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

LAT...LON 3215 9755 3214 9751 3217 9750 3222 9731
      3196 9718 3178 9773 3206 9787
TIME...MOT...LOC 0807Z 249DEG 39KT 3196 9775

Special weather statement, May 3, 3:30 AM CDT, 12 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
330 AM CDT SUN MAY 3 2009

TXZ104-119-030900-
COLLIN TX-DALLAS TX-
330 AM CDT SUN MAY 3 2009

...SIGNIFICANT WEATHER ADVISORY FOR...
  SOUTHERN COLLIN COUNTY
  DALLAS COUNTY

AT 329 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM FRISCO TO 2 MILES
NORTHEAST OF ARLINGTON...MOVING EAST AT 25 MPH.

CITIES IN THE PATH OF THESE STORMS INCLUDE ADDISON...ALLEN...
CARROLLTON...DALLAS...DESOTO...DUNCANVILLE...FRISCO...GARLAND...GRAND
PRAIRIE...IRVING...ROWLETT...UNIVERSITY PARK...WILMER AND WYLIE.

WIND GUSTS TO 40 MPH AND HAIL TO 1/2 INCH IN DIAMETER CAN BE EXPECTED
FROM THESE STORMS.

LAT...LON 3319 9641 3299 9650 3298 9652 3296 9651
      3255 9670 3263 9702 3284 9703 3300 9694
      3300 9684 3316 9684 3320 9682
TIME...MOT...LOC 0829Z 292DEG 23KT 3314 9680 3273 9707

Local storm report, May 3, 3:32 AM CDT, 10 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
332 AM CDT SUN MAY 03 2009

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

0315 AM     HAIL             SOUTHLAKE               32.95N  97.15W
05/03/2009  E0.75 INCH       TARRANT            TX   TRAINED SPOTTER

            PENNY HAIL REPORTED AT HWY 114 AND KIMBALL IN SOUTHLAKE

The office that day

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

Issued	Product	Office	Counties	Lasted
May 2, 7:09 PM CDT	Severe Thunderstorm Warning	FWD	Delta, Hopkins, Hunt, Rains, Van Zandt	66 min
May 2, 7:13 PM CDT	Severe Thunderstorm Warning	FWD	Denton	62 min
May 2, 7:24 PM CDT	Flash Flood Warning	FWD	Denton	3 hr
May 2, 7:42 PM CDT	Flash Flood Warning	FWD	Hopkins, Rains, Van Zandt	3 hr
May 2, 8:27 PM CDT	Severe Thunderstorm Warning	FWD	Denton, Parker, Tarrant, Wise	63 min
May 2, 8:48 PM CDT	Flash Flood Warning	FWD	Tarrant	107 min
May 2, 8:49 PM CDT	River Flood Warning	FWD	Hunt	37 hr
May 2, 8:49 PM CDT	River Flood Warning	FWD	Hunt, Rockwall	43 hr
May 2, 8:59 PM CDT	Severe Thunderstorm Warning	FWD	Ellis, Hill	46 min
May 2, 9:20 PM CDT	River Flood Warning	FWD	Collin	37 hr
May 2, 9:20 PM CDT	River Flood Warning	FWD	Dallas	39 hr
May 2, 9:24 PM CDT	Flash Flood Warning	FWD	Grayson	83 min
May 2, 9:29 PM CDT	Severe Thunderstorm Warning	FWD	Hunt, Kaufman, Rains, Van Zandt	46 min
May 2, 9:36 PM CDT	Special Weather Statement	FWD	Collin, Denton, Rockwall	24 min
May 2, 9:39 PM CDT	Flash Flood Warning	FWD	Dallas	2 hr
May 2, 9:41 PM CDT	Areal Flood Advisory	FWD	Ellis	94 min
May 2, 9:46 PM CDT	Severe Thunderstorm Warning	FWD	Dallas, Ellis	48 min
May 2, 9:58 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Dallas, Fannin, Grayson, Rockwall	32 min
May 2, 10:09 PM CDT	Severe Thunderstorm Warning	FWD	Kaufman, Rockwall	66 min
May 2, 10:14 PM CDT	Severe Thunderstorm Warning	FWD	Fannin, Hunt	61 min
May 2, 10:26 PM CDT	Areal Flood Warning	FWD	Denton	4 hr
May 2, 10:37 PM CDT	Flash Flood Warning	FWD	Hopkins, Rains, Van Zandt	3 hr
May 2, 10:44 PM CDT	Severe Thunderstorm Warning	FWD	Delta, Hopkins, Lamar, Rains	76 min
May 2, 10:50 PM CDT	Areal Flood Advisory	FWD	Delta, Fannin, Lamar	3 hr
May 2, 10:56 PM CDT	Flash Flood Warning	FWD	Collin, Hunt, Kaufman, Rockwall	2 hr
May 2, 10:57 PM CDT	River Flood Warning	FWD	Denton	11 hr
May 2, 11:07 PM CDT	Special Weather Statement	FWD	Van Zandt	38 min
May 2, 11:27 PM CDT	River Flood Warning	FWD	Dallas	9 hr
May 2, 11:38 PM CDT	Areal Flood Warning	FWD	Dallas	3 hr
May 2, 11:43 PM CDT	River Flood Warning	FWD	Dallas	9 hr
May 2, 11:50 PM CDT	Special Weather Statement	FWD	Van Zandt	25 min
May 3, 12:53 AM CDT	Special Weather Statement	FWD	Hopkins	22 min
May 3, 1:05 AM CDT	Special Weather Statement	FWD	Hunt	25 min
May 3, 1:32 AM CDT	Areal Flood Warning	FWD	Hopkins, Rains, Van Zandt	3 hr
May 3, 1:50 AM CDT	River Flood Warning	FWD	Delta, Hopkins	21 hr
May 3, 2:13 AM CDT	Special Weather Statement	FWD	Comanche	32 min
May 3, 2:29 AM CDT	Areal Flood Warning	FWD	Dallas	4 hr
May 3, 2:36 AM CDT	River Flood Warning	FWD	Collin	19 hr
May 3, 2:38 AM CDT	Severe Thunderstorm Warning	FWD	Hood, Johnson, Parker, Tarrant	49 min
May 3, 2:40 AM CDT	Special Weather Statement	FWD	Kaufman	35 min
May 3, 2:44 AM CDT	Special Weather Statement	FWD	Bosque	31 min
May 3, 3:00 AM CDT	Severe Thunderstorm Warning	FWD	Mills	37 min
May 3, 3:05 AM CDT	Special Weather Statement	FWD	Collin	25 min
May 3, 3:07 AM CDT	Special Weather Statement	FWD	Bosque	23 min
May 3, 3:30 AM CDT	Special Weather Statement	FWD	Dallas	30 min
May 3, 3:53 AM CDT	Severe Thunderstorm Warning	FWD	Ellis, Hill, Navarro	67 min
May 3, 3:56 AM CDT	Flash Flood Warning	FWD	Collin, Dallas, Rockwall	2 hr
May 3, 4:16 AM CDT	Special Weather Statement	FWD	Bell, McLennan	29 min
May 3, 4:20 AM CDT	Flash Flood Warning	FWD	Hunt, Kaufman	3 hr
May 3, 4:41 AM CDT	Special Weather Statement	FWD	Kaufman, Rains, Van Zandt	34 min
May 3, 4:47 AM CDT	Special Weather Statement	FWD	Falls, Freestone, Limestone, Milam, Robertson	28 min
May 3, 5:03 AM CDT	Flash Flood Warning	FWD	Rains, Van Zandt	3 hr
May 3, 5:09 AM CDT	Severe Thunderstorm Warning	FWD	Henderson, Van Zandt	51 min
May 3, 5:13 AM CDT	Severe Thunderstorm Warning	FWD	Anderson, Falls, Freestone, Leon, Limestone, Milam and 2 more	92 min
May 3, 6:00 AM CDT	Severe Thunderstorm Warning	FWD	Henderson	41 min
May 3, 7:19 AM CDT	Areal Flood Warning	FWD	Hunt	4 hr
May 3, 7:59 AM CDT	Areal Flood Warning	FWD	Rains, Van Zandt	4 hr
May 3, 9:52 AM CDT	River Flood Warning	FWD	Henderson, Navarro	5 days

Nearby

Severe Thunderstorm Warnings in Texas, 2009 Every 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.