Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 102, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at May 4, 2002, 11:03 PM CDT for Shackelford County, Texas. It was in force for 42 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 4, 2002, 11:03 PM CDT (04:03 UTC)
- Expired
- May 4, 2002, 11:45 PM CDT
- In force
- 42 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Shackelford County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 4, 11:21 PM CDT | Hail 0.88 | Albany, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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
Fort Worth, TX (KFWD), launched 00:00Z, 4.1 hours before the alert went out and 193 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
- 2179 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 150 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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 4, 5:50 PM CDT, 5 hours 13 minutes earlier.
Area forecast discussion, May 4, 5:50 PM CDT, 5 hours 13 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 550 PM CDT SAT MAY 4 2002 SENT A QUICK UPDATE TO ADD TORNADO WATCH FOR ALL BUT OUR SOUTHERN ZONES. LOW-LEVEL JET WILL CONTINUE TO INCREASE DURING THE NEXT FEW HOURS. THIS WILL INCREASE THE TORNADO THREAT. .SJT...TORNADO WATCH FOR THE FOLLOWING COUNTIES... BROWN-CALLAHAN-COLEMAN-COKE-CONCHO-FISHER-HASKELL-IRION- JONES-MCCULLOCH-NOLAN-RUNNELS-SAN SABA-SHACKELFORD- STERLING-TAYLOR-THROCKMORTON-TOM GREEN 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, 11:29 PM CDT | Tornado Warning | SJT | San Saba | 31 min |
| May 4, 11:46 PM CDT | Severe Thunderstorm Warning | SJT | Taylor | 74 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.