Alert archive / Texas / Tornado Warnings in 2003
Tornado Warning 16, NWS San Angelo, TX
NWS San Angelo, TX issued this tornado warning at Apr 29, 2003, 6:35 PM CDT for Nolan County, Texas. It was in force for 55 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, 6:35 PM CDT (23:35 UTC)
- Expired
- Apr 29, 2003, 7:30 PM CDT
- In force
- 55 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 tornado 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, 2:30 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Apr 29, 6:25 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 11.6 hours before the alert went out and 165 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
- 893 J/kg
- Mixed-layer CIN
- -313 J/kg
- Mixed-layer LCL
- 1124 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 195 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
726
WFUS54 KSJT 292335
TORSJT
TXC353-300030-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
635 PM CDT TUE APR 29 2003
THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A
* TORNADO WARNING FOR...
NOLAN COUNTY IN NORTHWEST TEXAS
* UNTIL 730 PM CDT
* AT 632 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
THUNDERSTORM WITH STRONG ROTATION CAPABLE OF PRODUCING A TORNADO AT
ANY TIME 4 MILES SOUTH OF CHAMPION...OR ABOUT 10 MILES SOUTHWEST OF
ROSCOE. THE STORM WAS NEARLY STATIONARY.
A TORNADO MAY FORM AT ANY TIME. TAKE COVER NOW ABANDON MOBILE HOMES
AND VEHICLES FOR MORE SUBSTANTIAL SHELTER.
LAT...LON 3218 10064 3218 10044 3217 10023 3242 10036
3242 10063
$$
17What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at Apr 29, 3:22 PM CDT, 3 hours 13 minutes earlier.
Area forecast discussion, Apr 29, 3:22 PM CDT, 3 hours 13 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, 3 hours 23 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 28, 7:27 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Nolan | 48 min |
| Apr 28, 8:06 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 54 min |
| Apr 28, 8:15 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Nolan | 45 min |
| Apr 28, 8:22 PM CDT | Severe Thunderstorm Warning | SJT | Coke | 53 min |
| Apr 28, 8:42 PM CDT | Severe Thunderstorm Warning | SJT | Jones, Taylor | 63 min |
| Apr 28, 8:53 PM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 52 min |
| Apr 28, 8:59 PM CDT | Severe Thunderstorm Warning | SJT | Runnels | 61 min |
| Apr 28, 9:02 PM CDT | Severe Thunderstorm Warning | SJT | Nolan | 13 min |
| Apr 28, 9:11 PM CDT | Severe Thunderstorm Warning | SJT | Coke | 34 min |
| Apr 29, 12:47 AM CDT | Severe Thunderstorm Warning | SJT | Runnels | 28 min |
| Apr 29, 5:36 PM CDT | Severe Thunderstorm Warning | SJT | Nolan | 54 min |
| Apr 29, 6:26 PM CDT | Severe Thunderstorm Warning | SJT | Nolan | 64 min |
| Apr 29, 6:30 PM CDT | Severe Thunderstorm Warning | SJT | Irion | 60 min |
| Apr 29, 6:41 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 64 min |
| Apr 29, 6:57 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 63 min |
Nearby
Tornado Warnings in Texas, 2003Every tornado warning in 2003Tornadoes 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.