Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 318, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Jul 11, 2003, 2:41 PM CDT for Robertson County, Texas. It was in force for 64 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
- Jul 11, 2003, 2:41 PM CDT (19:41 UTC)
- Expired
- Jul 11, 2003, 3:45 PM CDT
- In force
- 64 min
- Issued by
- NWS Fort Worth, TX
- Area
- Counties, with a storm outline in the text
County Robertson County, TX
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 11, 2:00 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 7.7 hours before the alert went out and 214 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.
- Mixed-layer CAPE
- 1465 J/kg
- Mixed-layer CIN
- -159 J/kg
- Mixed-layer LCL
- 1221 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jul 11, 2:05 PM CDT, 36 minutes earlier.
Area forecast discussion, Jul 11, 2:05 PM CDT, 36 minutes before
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</html>Hazardous weather outlook, Jul 11, 10:44 AM CDT, 3 hours 57 minutes before
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-112100- HAZARDOUS WEATHER OUTLOOK...UPDATED. NATIONAL WEATHER SERVICE FORT WORTH TX 1044 AM CDT FRI JUL 11 2003 ...HEAT INDICES BETWEEN 105 AND 110 THIS AFTERNOON... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS. .DAY ONE... THERE IS A SLIGHT CHANCE OF THUNDERSTORMS THIS AFTERNOON AND THIS EVENING... SOUTH AND EAST OF A SULPHUR SPRINGS...WEATHERFORD...COMANCHE LINE. ALTHOUGH NO WIDESPREAD SEVERE WEATHER IS EXPECTED...AN ISOLATED SEVERE THUNDERSTORM WILL BE POSSIBLE WITH WINDS TO 60 MPH AND HAIL TO THE SIZE OF NICKELS. AFTERNOON HEAT INDICES WILL BE IN THE 105 TO 110 RANGE. THOSE ENGAGED IN OUTDOOR ACTIVITIES SHOULD DRINK PLENTY OF NON ALCOHOLIC BEVERAGES AND TAKE FREQUENT REST BREAKS IN AIR CONDITIONED AREAS. NIGHTTIME LOWS EXPECTED TO FALL INTO THE MID 70S PRECLUDES A HEAT ADVISORY AT THIS TIME. .DAYS TWO THROUGH SEVEN... STRONG THUNDERSTORMS WILL FORM IN OKLAHOMA SATURDAY...AND DEVELOP INTO SEVERAL CLUSTERS OF THUNDERSTORMS THAT WILL MOVE SOUTHEAST INTO NORTH TEXAS SATURDAY NIGHT AND EARLY SUNDAY. INSTABILITIES AND VERTICAL WIND SHEARS WILL BE SUFFICIENT FOR A FEW SEVERE THUNDERSTORMS...MAINLY ALONG AND NORTH OF A JACKSBORO... DENTON...SULPHUR SPRINGS LINE. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS NORTH OF A BOWIE...FORT WORTH...CANTON LINE MONDAY. FINALLY...THERE IS A CHANCE OF THUNDERSTORMS NEXT WEDNESDAY...SOUTH OF A GOLDTHWAITE...HILLSBORO ...PALESTINE LINE. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED SATURDAY NIGHT AND EARLY SUNDAY ...MAINLY IN THE NORTHERN TWO TIERS OF COUNTIES ALONG THE RED RIVER. ROBBINS
In the hours before
Local storm report, Jul 11, 12:54 PM CDT, 1 hour 47 minutes before
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</html>The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 10, 7:04 PM CDT | Severe Thunderstorm Warning | FWD | Delta | 56 min |
| Jul 10, 8:47 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 58 min |
| Jul 10, 9:09 PM CDT | Severe Thunderstorm Warning | FWD | Kaufman | 66 min |
| Jul 11, 12:00 PM CDT | Severe Thunderstorm Warning | FWD | Anderson | 60 min |
| Jul 11, 1:05 PM CDT | Severe Thunderstorm Warning | FWD | Leon | 55 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2003Every severe thunderstorm warning in 2003
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.