Alert archive / Texas / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 46, NWS Fort Worth, TX

March 25, 2009Palo Pinto County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 25, 2009, 12:40 PM CDT for Palo Pinto County, Texas. It was in force for 65 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: Mar 25, 2009, 12:40 PM CDT (17:40 UTC)
Expired: Mar 25, 2009, 1:45 PM CDT
In force: 65 min
Issued by: NWS Fort Worth, TX
Area: Storm-based polygon

County Palo Pinto County, TX

The radar

The Dyess AFB radar (KDYX), 91 km from the middle of the area, began a volume at 17:40 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.

Issued	Product	Office	Lasted
Mar 25, 11:27 AM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 5.7 hours before the alert went out and 96 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2348 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 73 m²/s²
0-3 km storm-relative helicity: 248 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 Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 25, 11:41 AM CDT, 59 minutes earlier.

Area forecast discussion, Mar 25, 11:41 AM CDT, 59 minutes before

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Hazardous weather outlook, Mar 25, 5:28 AM CDT, 7 hours 12 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FORT WORTH TX
528 AM CDT WED MAR 25 2009

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-261030-
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-
528 AM CDT WED MAR 25 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...TODAY AND TONIGHT.
THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS MOST OF NORTH
TEXAS THIS AFTERNOON AND TONIGHT. THE COLD FRONT THAT MOVED
THROUGH NORTH TEXAS TUESDAY WILL BECOME STATIONARY ACROSS SOUTH
TEXAS THIS MORNING AND START TO LIFT BACK TO THE LATE THIS AFTERNOON
AND TONIGHT AS AN UPPER LEVEL DISTURBANCE APPROACHES FROM THE SOUTHWEST.
LARGE HAIL WILL BE THE MAIN SEVERE WEATHER THREAT...BUT AS THE
FRONT LIFTS BACK TO THE NORTH TONIGHT...DAMAGING WINDS AND AN
ISOLATED TORNADO WILL BE POSSIBLE ACROSS THE SOUTH.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.
THERE IS ALSO A SLIGHT RISK OF SEVERE THUNDERSTORMS THURSDAY AS
ANOTHER UPPER LEVEL DISTURBANCE APPROACHES THE REGION AND A DRYLINE
MOVES EAST INTO NORTH TEXAS. ALTHOUGH THERE WILL BE A CAPPING
INVERSION...VERTICAL WIND AND TEMPERATURE PROFILES SUGGEST THAT SUPERCELLS
COULD DEVELOP THAT WILL HAVE THE POTENTIAL TO PRODUCE LARGE
HAIL...DAMAGING WINDS AND TORNADOES.

THUNDERSTORM CHANCES WILL CONTINUE ON FRIDAY BUT THE GREATEST
LIKELIHOOD FOR SEVERE WEATHER WILL BE TO OUR EAST.

THERE WILL ALSO BE A CHANCE OF THUNDERSTORMS MONDAY NIGHT AHEAD
OF A COLD FRONT.

.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND TONIGHT.

In the hours before

Special weather statement, Mar 25, 10:24 AM CDT, 2 hours 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1024 AM CDT WED MAR 25 2009

TXZ129-141-251630-
EASTLAND TX-COMANCHE TX-
1024 AM CDT WED MAR 25 2009

...SIGNIFICANT WEATHER ADVISORY FOR...
  NORTHWESTERN COMANCHE COUNTY
  SOUTHERN EASTLAND COUNTY

AT 1023 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
CLUSTER OF THUNDERSTORMS WITH BRIEF HEAVY RAINFALL AND SMALL HAIL 35
MILES NORTHWEST OF BROWNWOOD...MOVING EAST-NORTHEAST AT 25 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE CARBON...CISCO...DE LEON...
GORMAN AND RISING STAR.

PEA TO MARBLE-SIZED HAIL AND CLOUD-TO-GROUND LIGHTNING CAN BE
EXPECTED FROM THIS STORM.

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

LAT...LON 3237 9912 3240 9909 3241 9889 3227 9854
      3225 9855 3212 9845 3202 9889 3208 9893
      3207 9911 3208 9913
TIME...MOT...LOC 1523Z 252DEG 23KT 3198 9950

Local storm report, Mar 25, 11:19 AM CDT, 1 hour 21 minutes before

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Local storm report, Mar 25, 11:56 AM CDT, 44 minutes before

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Special weather statement, Mar 25, 12:28 PM CDT, 12 minutes before

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Local storm report, Mar 25, 12:37 PM CDT, 3 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 25, 10:24 AM CDT	Special Weather Statement	FWD	Eastland	66 min
Mar 25, 10:54 AM CDT	Severe Thunderstorm Warning	FWD	Eastland	66 min
Mar 25, 11:38 AM CDT	Severe Thunderstorm Warning	FWD	Comanche, Erath	67 min
Mar 25, 11:56 AM CDT	Severe Thunderstorm Warning	FWD	Eastland	64 min
Mar 25, 12:28 PM CDT	Special Weather Statement	FWD	Stephens	32 min
Mar 25, 1:18 PM CDT	Severe Thunderstorm Warning	FWD	Parker	57 min
Mar 25, 1:19 PM CDT	Special Weather Statement	FWD	Tarrant	26 min
Mar 25, 1:36 PM CDT	Special Weather Statement	FWD	Comanche	24 min
Mar 25, 1:48 PM CDT	Special Weather Statement	FWD	Tarrant	27 min
Mar 25, 2:05 PM CDT	Special Weather Statement	FWD	Comanche	25 min
Mar 25, 2:07 PM CDT	Areal Flood Advisory	FWD	Tarrant	83 min
Mar 25, 2:24 PM CDT	Special Weather Statement	FWD	Van Zandt	36 min
Mar 25, 2:51 PM CDT	Special Weather Statement	FWD	Ellis	24 min
Mar 25, 3:24 PM CDT	Severe Thunderstorm Warning	FWD	Bosque	51 min
Mar 25, 3:25 PM CDT	Severe Thunderstorm Warning	FWD	Ellis	36 min
Mar 25, 3:45 PM CDT	Severe Thunderstorm Warning	FWD	Henderson, Kaufman, Navarro	60 min
Mar 25, 4:02 PM CDT	Special Weather Statement	FWD	Bell, Falls, Freestone, Limestone, McLennan, Navarro	28 min
Mar 25, 4:10 PM CDT	Special Weather Statement	FWD	Van Zandt	35 min
Mar 25, 4:50 PM CDT	Special Weather Statement	FWD	Falls	25 min
Mar 25, 4:51 PM CDT	Special Weather Statement	FWD	Freestone, Limestone	24 min
Mar 25, 5:43 PM CDT	Special Weather Statement	FWD	Leon, Milam, Robertson	32 min

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.