Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 52, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Apr 29, 2003, 8:45 PM CDT for Nolan County, Texas. It was in force for 60 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 29, 2003, 8:45 PM CDT (01:45 UTC)
- Expired
- Apr 29, 2003, 9:45 PM CDT
- In force
- 60 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Nolan County, TX
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 29, 6:25 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 1.8 hours before the alert went out and 171 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 4417 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 0 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
337
WUUS54 KSJT 300145
SVRSJT
TXC353-300245-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
845 PM CDT TUE APR 29 2003
THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NOLAN COUNTY IN NORTHWEST TEXAS
* UNTIL 945 PM CDT
* AT 841 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM OVER MARYNEAL...OR ABOUT 13 MILES NORTHWEST OF
BLACKWELL...MOVING NORTHEAST AT 10 MPH.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
NOLAN...ROSCOE AT 915 PM CDT
SWEETWATER AT 940 PM CDT
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME
OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO
AREAS WHERE WATER COVERS THE ROAD.
LAT...LON 3223 10059 3212 10041 3210 10019 3249 10018
3250 10060
$$
17What 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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 29, 3:22 PM CDT, 5 hours 23 minutes earlier.
Area forecast discussion, Apr 29, 3:22 PM CDT, 5 hours 23 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 322 PM CDT TUE APR 29 2003 INSTABILITY CONTINUES TO INCREASE ACROSS WEST CENTRAL TEXAS THIS AFTERNOON...WITH LAPS CAPE VALUES STARTING TO PUSH 4000 J/KG ACROSS THE WESTERN BIG COUNTRY. HELICITY AND SHEAR VALUES PRETTY NOT IMPRESSIVE ...SO TORNADO THREAT APPEARS RELATIVELY SMALL. FOR TONIGHT...WHATEVER CONVECTION DEVELOPS WILL NOT GET MUCH UPPER SUPPORT...SO EXPECT MOST OF THE ACTIVITY TO DISSIPATE BY AROUND MIDNIGHT AND EFFECT MAINLY MY NORTHWEST COUNTIES. SIMILAR SITUATION POSSIBLE FOR WEDNESDAY...ALTHOUGH MAY BE A LITTLE FARTHER EAST AND SHOULD HAVE THE SUPPORT OF AN APPROACHING SHORTWAVE. MODELS UNDERESTIMATED THE MOISTURE DEPTH ACROSS THE WESTERN COUNTIES THIS MORNING...AND WOULD NOT BE SURPRISED IF THEY DID IT AGAIN ON WEDNESDAY. WITH A SLIGHTLY SLOWER DRYLINE EXPECTED ...WILL KEEP A MENTION OF ISOLATED STORMS FOR EVEN THE WESTERN COUNTIES AND INCREASE TO CHANCE POPS FOR THE EAST. WEAK FRONTAL BOUNDARY TRIES TO DROP INTO WEST CENTRAL TEXAS BY FRIDAY. HARD TO COUNT ON FRONTAL PASSAGES THIS TIME OF YEAR...BUT WILL GO AHEAD AND KEEP A SLIGHT CHANCE OF STORMS IN SOME OF THE EASTERN COUNTIES. NEXT TROUGH MOVES INTO THE CENTRAL PLAINS SUNDAY...WITH A DRYLINE AND COLD FRONT PUSHING THROUGH SUNDAY. WITH THE SYSTEM EXPECTED TO BE OFF TO THE EAST...HAVE PULLED THE SLIGHT CHANCE POPS FOR MONDAY AND TUESDAY. CCF PRELIMS.. ABI 061/088/061/089 321 SJT 063/089/062/091 321 JCT 065/085/063/089 222 .SJT...NONE. 07
Hazardous weather outlook, Apr 29, 3:12 PM CDT, 5 hours 33 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-302015- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 312 PM CDT TUE APR 29 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WEST CENTRAL TEXAS. .DAY ONE... AS THE DRYLINE PUSHES INTO WEST CENTRAL TEXAS...SCATTERED SEVERE STORMS ARE EXPECTED ACROSS MUCH OF THE AREA THROUGH LATE EVENING. .DAYS TWO THROUGH SEVEN... WITH THE DRYLINE CONTINUING TO REMAIN NEAR OR ACROSS THE AREA... ISOLATED SEVERE STORMS WILL CONTINUE TO BE POSSIBLE THROUGH THE WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE LIKELY THIS EVENING FOR MUCH OF WEST CENTRAL TEXAS. 24
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 29, 7:25 PM CDT | Severe Thunderstorm Warning | SJT | Runnels | 65 min |
| Apr 29, 7:25 PM CDT | Tornado Warning | SJT | Nolan | 50 min |
| Apr 29, 7:29 PM CDT | Severe Thunderstorm Warning | SJT | Coke | 61 min |
| Apr 29, 7:35 PM CDT | Tornado Warning | SJT | Runnels | 55 min |
| Apr 29, 7:58 PM CDT | Tornado Warning | SJT | Coke | 47 min |
| Apr 29, 8:16 PM CDT | Tornado Warning | SJT | Nolan | 29 min |
| Apr 29, 8:21 PM CDT | Flash Flood Warning | SJT | Nolan | 3 hr |
| Apr 29, 8:22 PM CDT | Severe Thunderstorm Warning | SJT | Taylor | 53 min |
| Apr 29, 8:30 PM CDT | Severe Thunderstorm Warning | SJT | Runnels | 60 min |
| Apr 29, 8:38 PM CDT | Flash Flood Warning | SJT | Runnels | 3 hr |
| Apr 29, 8:48 PM CDT | Severe Thunderstorm Warning | SJT | Coke | 42 min |
| Apr 29, 8:56 PM CDT | Tornado Warning | SJT | Runnels | 64 min |
| Apr 29, 9:14 PM CDT | Severe Thunderstorm Warning | SJT | Callahan | 46 min |
| Apr 29, 9:17 PM CDT | Severe Thunderstorm Warning | SJT | Coleman | 58 min |
| Apr 29, 9:21 PM CDT | Severe Thunderstorm Warning | SJT | Taylor | 39 min |
| Apr 29, 10:01 PM CDT | Severe Thunderstorm Warning | SJT | Callahan | 44 min |
| Apr 29, 10:05 PM CDT | Severe Thunderstorm Warning | SJT | Jones | 55 min |
| Apr 29, 10:11 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 64 min |
| Apr 29, 10:28 PM CDT | Severe Thunderstorm Warning | SJT | Coleman | 47 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.