Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 319, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Jul 13, 2003, 1:17 PM CDT for Lamar County, Texas. It was in force for 58 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 13, 2003, 1:17 PM CDT (18:17 UTC)
- Expired
- Jul 13, 2003, 2:15 PM CDT
- In force
- 58 min
- Issued by
- NWS Fort Worth, TX
- Area
- Counties, with a storm outline in the text
County Lamar County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 202 km from the middle of the area, began a volume at 18:20 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, 6.3 hours before the alert went out and 185 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
- 854 J/kg
- Mixed-layer CIN
- -270 J/kg
- Mixed-layer LCL
- 1569 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 26 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.2
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 13, 12:30 PM CDT, 47 minutes earlier.
Area forecast discussion, Jul 13, 12:30 PM CDT, 47 minutes before
AREA FORECAST DISCUSSION...UPDATED FOR AVIATION DISCUSSION NATIONAL WEATHER SERVICE FORT WORTH TX 1230 PM CDT SUN JUL 13 2003 ...AVIATION DISCUSSION... VFR CONDITIONS PREVAIL ACROSS NORTH TEXAS THIS AFTERNOON...WITH EVEN CUMULUS BEING CONFINED TO AREA ALONG AND SOUTH OF KCOT-K3T5-KGGG. SCT/BKN MID LEVEL DECK FROM KABI-KRPH-KADM IS FIGHTING MID-LEVEL RIDGING AS IT MOVES SOUTH...AND DO NOT EXPECT A SIGNIFICANT AFFECT ON THE KDFW/KACT TRACONS. TSRA ACROSS OKLAHOMA WILL LIKELY SLIDE SOUTHEASTWARD AND MISS DFW AND WACO AREAS. EXPECT SIMILAR CLOUD PATTERN ON MONDAY. SURFACE WINDS WILL GENERALLY REMAIN 160-200 THROUGHOUT THE FORECAST PERIOD...WITH SPEEDS GENERALLY IN THE 8-12 KNOT RANGE. 65/DD ...MID MORNING UPDATE... NO WHOLESALE CHANGES PLANNED. NOT REISSUING ZONES...BUT DID MAKE SOME TREND CHANGES TO WINDS/TEMPS/DEW PTS AS MIXING IS ALREADY WARMING THINGS UP QUICKER AND WINDS PICKING UP A LITTLE AS WELL. SO WILL MAINLY REISSUE GRAPHICAL/DIGITAL FCSTS. STILL WATCHING NE RED RIVER AREA FOR ISOLATED SEVERE STORMS POSSIBLY BY MID AFTERNOON. 05/ .FWD...NONE.
Hazardous weather outlook, Jul 13, 8:35 AM CDT, 4 hours 42 minutes before
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-141100- HAZARDOUS WEATHER OUTLOOK...UPDATED TO MENTION HEAT ON DAY ONE NATIONAL WEATHER SERVICE FORT WORTH TX 835 AM CDT SUN JUL 13 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH TEXAS. .DAY ONE... THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY AND THIS EVENING...MAINLY NORTH AND EAST OF A SHERMAN...GREENVILLE...SULPHUR SPRINGS LINE. LARGE HAIL AND DAMAGING WINDS ARE THE MAIN THREATS. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS FURTHER WEST...MAINLY EAST OF A BOWIE...WEATHERFORD...CLEBURNE...TEAGUE LINE. STRONG WINDS TO 50 MPH AND SMALL HAIL MAY OCCUR WITH THESE STORMS. IN ADDITION TO THE STORM THREAT...HEAT INDICES BETWEEN 102 AND 107...ARE POSSIBLE THIS AFTERNOON...MAINLY ALONG AND WEST OF A SHERMAN...TERRELL...FAIRFIELD LINE. AVOID OVER EXERTION IF WORKING OUTDOORS...AND NEVER LEAVE PETS OR PEOPLE IN AN UNATTENDED VEHICLE. .DAYS TWO THROUGH SEVEN... THROUGHOUT THE REMAINDER OF THE WEEK...THERE IS A SLIGHT CHANCE OF AFTERNOON AND EVENING THUNDERSTORMS...GENERALLY EAST AND SOUTH OF A TEMPLE...TEAGUE...ATHENS LINE. LIGHTNING AND GUSTY WINDS WILL BE THE MAIN THREATS WITH THESE STORMS. .SPOTTER CALL TO ACTION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY WITH THE SLIGHT RISK AREA. LIMITED SPOTTER ACTIVATION MAY BE REQUIRED FURTHER WEST. 65/DD
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 2:56 PM CDT | Severe Thunderstorm Warning | FWD | Hopkins | 34 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; radar from the NEXRAD Level II archive.