Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 103, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at May 4, 2002, 11:46 PM CDT for Taylor County, Texas. It was in force for 74 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
- May 4, 2002, 11:46 PM CDT (04:46 UTC)
- Expired
- May 5, 2002, 1:00 AM CDT
- In force
- 74 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Taylor 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 |
|---|---|---|---|
| May 4, 10:45 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 4.8 hours before the alert went out and 220 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
- 806 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 2597 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 145 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KSJT 050446 SVRSJT TXC441-050600- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 1145 PM CDT SAT MAY 4 2002 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... TAYLOR COUNTY IN NORTH CENTRAL TEXAS * UNTIL 100 AM CDT * AT 1144 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM JUST WEST OF TRENT...OR ABOUT 15 MILES EAST O OF SWEETWATER...MOVING EAST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... MERKEL AT 1155 PM CDT TYE...DYESS AFB...VIEW AT 1210 AM CDT ABILENE AT 1220 AM CDT POTOSI AT 1225 AM CDT HAIL UP TO GOLFBALL SIZE CAN BE EXPECTED ALONG AND JUST NORTH OF INTERSTATE 20...AS THIS STORM TRACKS EAST THROUGH TAYLOR COUNTY. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO WARNING. TAKE SHELTER INSIDE A STURDY BUILDING...AND STAY IN AN INTERIOR ROOM AWAY FROM WINDOWS. LAT...LON 3250 10014 3237 10014 3230 9964 3250 9963
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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 4, 11:05 PM CDT, 41 minutes earlier.
Area forecast discussion, May 4, 11:05 PM CDT, 41 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 1105 PM CDT SAT MAY 4 2002 SENT ANOTHER UPDATE FOR NEW TORNADO WATCH. .SJT...TORNADO WATCH FOR THE FOLLOWING COUNTIES IN... THE BIG COUNTRY...CALLAHAN-FISHER-HASKELL-JONES-NOLAN SHACKELFORD-TAYLOR-THROCKMORTON THE HEARTLAND...BROWN 23/HUBER **** 235 PM CDT SAT MAY 4 2002 DISCUSSION FOLLOWS **** RAIN AND SEVERE WEATHER THREAT TONIGHT...THEN ITS BACK TO SAME OL WEST CENTRAL TEXAS WEATHER PATTERN THE DRYLINE PUSHED WEST OF OUR AREA QUICKLY THIS MORNING...WARMFRONT IS POISED JUST TO OUR SOUTH AND WILL GRADUALLY MOVE NORTH ACROSS W CENTRAL TX DURING THE EVENING/NIGHT...ALONG WITH THE FRONT A GOOD LOW LEVEL JET AND A PULSE OF UPPER LEVEL ENERGY MOVES ACROSS...WILL PLACE OUR FORECAST AREA IN THE PRIME AREA FOR T-STORM DEVELOPMENT. MAINLY BETWEEN 6 PM AND MIDNIGHT. THOSE STORMS THAT FORM WILL HAVE A HIGH PROBABILITY OF BECOMING SEVERE WITH LARGE HAIL...DAMAGING WINDS AND EVEN TORNADOES. THREAT OF STORMS ENDS PRIMARILY WITH THE NORTHWARD PROGRESSION OF THE WARMFRONT...SO BY SUNRISE THE ONLY RAIN CHANCES REMAIN IN THE BIG COUNTRY. WILL TAKE OUT MENTION OF RAIN IN ALL BUT NORTHERN COUNTIES ON SUNDAY. WITH THE DRYLINE FIRMLY ENTRENCHED WELL TO OUR WEST THROUGH TUESDAY...CHANCES OF RAIN ACROSS THE AREA WILL STAY TO OUR WEST...AND WILL TAKE OUT MENTION OF RAIN FOR MONDAY AND TUESDAY. HOWEVER COUPLE OF WEAK BITS OF ENERGY MOVE TO OUR SOUTH AND EAST...SO A FEW STORMS MAY BE NEARBY. BY WEDNESDAY THE DRYLINE COMES BACK INTO PLAY...AND WE ALSO FLIRT WITH A WEAK COLDFRONT WEDNESDAY NIGHT INTO THURSDAY. THEREFORE WILL CONTINUE THE SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE END OF THE WEEK. BUT AFTER MORE THAN A MONTH WITHOUT SUBSTANTIAL RAIN ACROSS MOST OF THE AREA...TONIGHTS THE BEST SHOT WEVE HAD IN A WHILE. ABI 065/088/067/090 62-- SJT 066/090/068/092 51-- JCT 068/091/070/093 51-- .SJT...NONE. 25
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 7:35 PM CDT | Flash Flood Warning | SJT | Tom Green | 115 min |
| May 4, 7:40 PM CDT | Severe Thunderstorm Warning | SJT | Runnels | 65 min |
| May 4, 7:49 PM CDT | Severe Thunderstorm Warning | SJT | Concho | 71 min |
| May 4, 8:05 PM CDT | Tornado Warning | SJT | Concho | 70 min |
| May 4, 8:10 PM CDT | Tornado Warning | SJT | Tom Green | 20 min |
| May 4, 8:14 PM CDT | Severe Thunderstorm Warning | SJT | Taylor | 61 min |
| May 4, 8:28 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 47 min |
| May 4, 8:30 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 45 min |
| May 4, 8:34 PM CDT | Tornado Warning | SJT | Fisher | 41 min |
| May 4, 8:57 PM CDT | Flash Flood Warning | SJT | Concho | 3 hr |
| May 4, 8:57 PM CDT | Flash Flood Warning | SJT | Concho | 63 min |
| May 4, 9:03 PM CDT | Tornado Warning | SJT | McCulloch | 72 min |
| May 4, 9:15 PM CDT | Tornado Warning | SJT | Fisher | 35 min |
| May 4, 9:15 PM CDT | Tornado Warning | SJT | Concho | 60 min |
| May 4, 9:16 PM CDT | Tornado Warning | SJT | Fisher | 34 min |
| May 4, 9:27 PM CDT | Tornado Warning | SJT | Jones | 73 min |
| May 4, 9:41 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford | 49 min |
| May 4, 9:53 PM CDT | Flash Flood Warning | SJT | McCulloch | 3 hr |
| May 4, 10:13 PM CDT | Severe Thunderstorm Warning | SJT | San Saba | 62 min |
| May 4, 10:17 PM CDT | Tornado Warning | SJT | McCulloch | 43 min |
| May 4, 10:25 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 65 min |
| May 4, 10:33 PM CDT | Tornado Warning | SJT | San Saba | 57 min |
| May 4, 10:42 PM CDT | Tornado Warning | SJT | Fisher, Nolan | 63 min |
| May 4, 11:03 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford | 42 min |
| May 4, 11:29 PM CDT | Tornado Warning | SJT | San Saba | 31 min |
| May 4, 11:47 PM CDT | Severe Thunderstorm Warning | SJT | Nolan | 28 min |
| May 4, 11:57 PM CDT | Tornado Warning | SJT | Nolan | 63 min |
| May 5, 12:57 AM CDT | Tornado Warning | SJT | Nolan, Taylor | 63 min |
| May 5, 1:46 AM CDT | Severe Thunderstorm Warning | SJT | Runnels | 44 min |
| May 5, 1:57 AM CDT | Severe Thunderstorm Warning | SJT | Taylor | 33 min |
| May 5, 2:45 AM CDT | Tornado Warning | SJT | Callahan | 45 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002
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.