Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 59, NWS Fort Worth, TX

March 17, 2008Hunt County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 17, 2008, 5:41 PM CDT for Hunt 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
Mar 17, 2008, 5:41 PM CDT (22:41 UTC)
Expired
Mar 17, 2008, 6:30 PM CDT
In force
49 min
Issued by
NWS Fort Worth, TX
Area
Storm-based polygon

County Hunt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 129 km from the middle of the area, began a volume at 22:42 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 12:00Z, 10.7 hours before the alert went out and 117 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 2008-03-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 185 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 2008-03-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 338 square meters per square second.1939587897117Sfc1 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
185 J/kg
Mixed-layer CIN
-428 J/kg
Mixed-layer LCL
651 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
338 m²/s²
0-3 km storm-relative helicity
576 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 17, 2:42 PM CDT, 2 hours 59 minutes earlier.

Area forecast discussion, Mar 17, 2:42 PM CDT, 2 hours 59 minutes before
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Hazardous weather outlook, Mar 17, 3:22 PM CDT, 2 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
322 PM CDT MON MAR 17 2008

TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-181200-
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 PM CDT MON MAR 17 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS.

.DAY ONE...THIS EVENING AND TONIGHT.

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS THE
WESTERN HALF OF NORTH TEXAS FOR THIS EVENING AND TONIGHT. THE
MODERATE RISK IS ALONG AND SOUTHWEST OF A GRAHAM TO FORT WORTH TO
WACO TO TEMPLE LINE. THERE IS A SLIGHT RISK OF SEVERE
THUNDERSTORMS ACROSS THE REST OF NORTH TEXAS.

THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS EVENING ALONG A DRYLINE
OVER WEST CENTRAL TEXAS AND EXPAND EASTWARD TONIGHT. LARGE
HAIL...GREATER THAN 2 INCHES IN DIAMETER...DAMAGING WINDS...AND
ISOLATED TORNADOES ARE POSSIBLE LATER THIS EVENING AND TONIGHT.
THE GREATEST TORNADO THREAT IS ALONG AND WEST OF THE INTERSTATE 35
CORRIDOR...WHERE AN ISOLATED STRONG TORNADO WILL BE POSSIBLE.

IN ADDITION TO THE SEVERE WEATHER...HEAVY RAINFALL IS LIKELY
OVERNIGHT. THERE IS FLASH FLOOD WATCH IN EFFECT FOR MOST OF NORTH
TEXAS THROUGH TUESDAY NIGHT.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY.

THUNDERSTORMS WILL BE ONGOING TUESDAY MORNING WITH A FEW SEVERE
STORMS POSSIBLE...MAINLY EAST OF INTERSTATE 35. CLOUD TO GROUND
LIGHTNING...LARGE HAIL...DAMAGING WINDS...AND ISOLATED TORNADOES
WILL CONTINUE TO BE THE THREATS. IN ADDITION...HEAVY RAINFALL IS
LIKELY TO CONTINUE. THE THUNDERSTORMS WILL CONTINUE THROUGH EARLY
WEDNESDAY MORNING. A FLASH FLOOD WATCH WILL REMAIN IN EFFECT
MAINLY ALONG AND EAST OF A LINE FROM COMANCHE TO FORT WORTH TO
GAINESVILLE LINE THROUGH TUESDAY NIGHT.

THERE IS ALSO A SLIGHT CHANCE FOR THUNDERSTORMS SATURDAY THROUGH SUNDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY LATER THIS EVENING THROUGH THE
OVERNIGHT HOURS.

DUNN

In the hours before

Special weather statement, Mar 17, 5:37 PM CDT, 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
537 PM CDT MON MAR 17 2008

TXZ105-172300-
HUNT TX-
537 PM CDT MON MAR 17 2008

...SIGNIFICANT WEATHER ADVISORY FOR...
  HUNT COUNTY

AT 537 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 13 MILES SOUTH OF GREENVILLE...MOVING NORTHEAST
AT 50 MPH.

CITIES IN THE PATH OF THIS STORM INCLUDE CAMPBELL...COMMERCE...
GREENVILLE AND QUINLAN.

HALF INCH DIAMETER HAIL AND WIND GUSTS TO 50 MPH CAN BE EXPECTED FROM THIS
STORM.

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

LAT...LON 3295 9625 3341 9587 3340 9586 3306 9587
      3284 9608
TIME...MOT...LOC 2237Z 216DEG 47KT 3297 9610

DUNN

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 8:25 AM CDTSpecial Weather StatementFWDYoung35 min
Mar 17, 9:53 AM CDTRiver Flood WarningFWDDelta, Hopkins66 hr
Mar 17, 5:37 PM CDTSpecial Weather StatementFWDHunt23 min
Mar 17, 6:04 PM CDTTornado WarningFWDHunt41 min
Mar 17, 6:35 PM CDTSpecial Weather StatementFWDCollin25 min
Mar 17, 6:38 PM CDTTornado WarningFWDDelta, Hopkins, Hunt, Lamar52 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008Every severe thunderstorm warning in 2008

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.