Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 46, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Apr 7, 2002, 4:22 PM CDT for Fisher County, Texas. It was in force for 53 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 7, 2002, 4:22 PM CDT (21:22 UTC)
- Expired
- Apr 7, 2002, 5:15 PM CDT
- In force
- 53 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Fisher County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 7, 4:30 PM CDT | Hail 0.75 | Roby, 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.
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 7, 1:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 9.4 hours before the alert went out and 182 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
- 1670 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 501 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 251 m²/s²
- 0-3 km storm-relative helicity
- 276 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 9.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KSJT 072122 SVRSJT TXC151-072215- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 421 PM CDT SUN APR 7 2002 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... FISHER COUNTY IN NORTHWEST TEXAS * UNTIL 515 PM CDT * AT 418 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 16 MILES WEST OF LONGWORTH...OR ABOUT 11 MILES NORTHWEST OF ROSCOE...MOVING NORTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... LONGWORTH AT 430 PM CDT ROBY AT 435 PM CDT SYLVESTER...MCCAULLEY AT 440 PM CDT SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. TAKE SHELTER INSIDE A STURDY BUILDING...AND STAY IN AN INTERIOR ROOM AWAY FROM WINDOWS. DIME TO NICKEL SIZE HAIL AND WIND GUSTS UP TO 60 MPH CAN BE EXPECTED WITH THIS STORM. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. LAT...LON 3272 10066 3253 10064 3252 10017 3292 10018
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 Apr 7, 3:51 PM CDT, 31 minutes earlier.
Area forecast discussion, Apr 7, 3:51 PM CDT, 31 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
350 PM CST SUN APR 7 2002
CURRENT...LOTS OF ACTION WITH NUMEROUS SEVERE STORMS WITH LARGE HAIL
AND SEVERAL TORNADOES ACROSS WEST CENTRAL TEXAS.
DAYS 1-3...SEVERE THREAT CONTINUES THIS EVENING...THEN CLEARING.
LOTS OF SUNSHINE TOMORROW. ZONAL FLOW BRINGS CLOUDS TOMORROW THROUGH
MID WEEK. WILL CONTINUE DRY FORECAST WITH TEMPERATURES CLOSE TO
GUIDANCE. SURFACE WINDS WILL CONTINUE IN THE BREEZY CATEGORY
TONIGHT. TOMORROW AND TOMORROW NIGHT WINDS WILL BECOME MORE
NORTHERLY AS THE SURFACE LOW MOVES EAST.
DAYS 4-7...NO CHANGES HERE.
CCF PRELIMS...
ABI 055/078/050/073 7000
SJT 053/083/050/075 6000
JCT 056/085/050/077 7000
.SJT...TORNADO WATCH BROWN AND SAN SABA UNTIL 8 PM THIS EVENING.
...TORNADO WATCH ALL OTHER ZONES...EXCEPT MASON...UNTIL 7 PM
THIS EVENING.
...CAUTION ON AREA LAKES ALL ZONES THIS AFTERNOON.
23/HUBERIn the hours before
Special weather statement, Apr 7, 12:00 PM CDT, 4 hours 22 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-071930- WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 1200 PM CDT SUN APR 7 2002 ...THERE IS A MODERATE RISK FOR SEVERE STORMS OVER ALL OF WEST CENTRAL TEXAS THIS AFTERNOON... A POTENT UPPER LEVEL DISTURBANCE WILL MOVE OUT OF NEW MEXICO INTO WEST TEXAS THIS AFTERNOON INTO TONIGHT. A DRYLINE WILL ADVANCE EASTWARD ACROSS MUCH OF WEST CENTRAL TEXAS DURING THE AFTERNOON. THUNDERSTORMS WILL RAPIDLY DEVELOP BY EARLY AFTERNOON ALONG THE DRYLINE AS IT ENTERS WESTERN SECTIONS OF THE REGION. CONDITIONS WILL BE FAVORABLE FOR THE STORMS WILL RAPIDLY INTENSIFY AND BECOME SEVERE. GIVEN THE STRENGTH OF THIS SYSTEM...ISOLATED STRONG TORNADOS WILL BE POSSIBLE...ALONG WITH VERY LARGE HAIL AND DAMAGING WINDS. PEOPLE THROUGHOUT WEST CENTRAL TEXAS SHOULD TUNE INTO NOAA WEATHER RADIO...LOCAL TELEVISION AND RADIO STATIONS FOR THE LATEST WEATHER INFORMATION THIS AFTERNOON AND EVENING. KEEP INFORMED OF THE LATEST WEATHER DEVELOPMENTS. BE READY TO SEEK SHELTER IF WARNINGS ARE ISSUED. SPOTTER ACTIVATION WILL LIKELY BE NEEDED.
Special weather statement, Apr 7, 12:08 PM CDT, 4 hours 14 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-071930- WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE SAN ANGELO TX 1208 PM CDT SUN APR 7 2002 ...THERE IS A MODERATE RISK FOR SEVERE STORMS OVER ALL OF WEST CENTRAL TEXAS THIS AFTERNOON... A POTENT UPPER LEVEL DISTURBANCE WILL MOVE OUT OF NEW MEXICO INTO WEST TEXAS THIS AFTERNOON INTO TONIGHT. A DRYLINE WILL ADVANCE EASTWARD ACROSS MUCH OF WEST CENTRAL TEXAS DURING THE AFTERNOON. THUNDERSTORMS WILL RAPIDLY DEVELOP BY EARLY AFTERNOON ALONG THE DRYLINE AS IT ENTERS WESTERN SECTIONS OF THE REGION. CONDITIONS WILL BE FAVORABLE FOR THE STORMS TO RAPIDLY INTENSIFY AND BECOME SEVERE. GIVEN THE STRENGTH OF THIS SYSTEM...ISOLATED STRONG TORNADOS WILL BE POSSIBLE...ALONG WITH VERY LARGE HAIL AND DAMAGING WINDS. PEOPLE THROUGHOUT WEST CENTRAL TEXAS SHOULD TUNE INTO NOAA WEATHER RADIO...LOCAL TELEVISION AND RADIO STATIONS FOR THE LATEST WEATHER INFORMATION THIS AFTERNOON AND EVENING. BE READY TO SEEK SHELTER IF WARNINGS ARE ISSUED. SPOTTER ACTIVATION WILL LIKELY BE NEEDED.
Special weather statement, Apr 7, 12:09 PM CDT, 4 hours 13 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-071930- WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE SAN ANGELO TX 1209 PM CDT SUN APR 7 2002 ...THERE IS A MODERATE RISK FOR SEVERE STORMS OVER ALL OF WEST CENTRAL TEXAS THIS AFTERNOON... A POTENT UPPER LEVEL DISTURBANCE WILL MOVE OUT OF NEW MEXICO INTO WEST TEXAS THIS AFTERNOON INTO TONIGHT. A DRYLINE WILL ADVANCE EASTWARD ACROSS MUCH OF WEST CENTRAL TEXAS DURING THE AFTERNOON. THUNDERSTORMS WILL RAPIDLY DEVELOP BY EARLY AFTERNOON ALONG THE DRYLINE AS IT ENTERS WESTERN SECTIONS OF THE REGION. CONDITIONS WILL BE FAVORABLE FOR THE STORMS TO RAPIDLY INTENSIFY AND BECOME SEVERE. GIVEN THE STRENGTH OF THIS SYSTEM...ISOLATED STRONG TORNADOES WILL BE POSSIBLE...ALONG WITH VERY LARGE HAIL AND DAMAGING WINDS. PEOPLE THROUGHOUT WEST CENTRAL TEXAS SHOULD TUNE INTO NOAA WEATHER RADIO...LOCAL TELEVISION AND RADIO STATIONS FOR THE LATEST WEATHER INFORMATION THIS AFTERNOON AND EVENING. BE READY TO SEEK SHELTER IF WARNINGS ARE ISSUED. SPOTTER ACTIVATION WILL LIKELY BE NEEDED.
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 7:29 PM CST | Severe Thunderstorm Warning | SJT | Taylor | 31 min |
| Apr 7, 1:32 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 58 min |
| Apr 7, 2:02 PM CDT | Tornado Warning | SJT | Crockett | 58 min |
| Apr 7, 2:35 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 40 min |
| Apr 7, 2:57 PM CDT | Tornado Warning | SJT | Crockett | 48 min |
| Apr 7, 3:07 PM CDT | Severe Thunderstorm Warning | SJT | Throckmorton | 53 min |
| Apr 7, 3:10 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 65 min |
| Apr 7, 3:12 PM CDT | Severe Thunderstorm Warning | SJT | Taylor | 33 min |
| Apr 7, 3:14 PM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 46 min |
| Apr 7, 3:17 PM CDT | Severe Thunderstorm Warning | SJT | Coke | 58 min |
| Apr 7, 3:19 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 41 min |
| Apr 7, 3:25 PM CDT | Tornado Warning | SJT | Schleicher, Sutton | 65 min |
| Apr 7, 3:30 PM CDT | Tornado Warning | SJT | Throckmorton | 60 min |
| Apr 7, 3:40 PM CDT | Severe Thunderstorm Warning | SJT | Coleman, Runnels | 35 min |
| Apr 7, 3:42 PM CDT | Severe Thunderstorm Warning | SJT | Taylor | 63 min |
| Apr 7, 3:44 PM CDT | Severe Thunderstorm Warning | SJT | Callahan | 61 min |
| Apr 7, 3:52 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford | 53 min |
| Apr 7, 3:55 PM CDT | Severe Thunderstorm Warning | SJT | Jones | 65 min |
| Apr 7, 3:58 PM CDT | Severe Thunderstorm Warning | SJT | Crockett | 62 min |
| Apr 7, 4:08 PM CDT | Flash Flood Warning | SJT | Throckmorton | 2 hr |
| Apr 7, 4:09 PM CDT | Severe Thunderstorm Warning | SJT | Coleman, Runnels | 66 min |
| Apr 7, 4:24 PM CDT | Tornado Warning | SJT | Menard, Schleicher | 66 min |
| Apr 7, 4:27 PM CDT | Tornado Warning | SJT | Throckmorton | 48 min |
| Apr 7, 4:43 PM CDT | Severe Thunderstorm Warning | SJT | Concho, McCulloch | 62 min |
| Apr 7, 5:04 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 56 min |
| Apr 7, 5:25 PM CDT | Tornado Warning | SJT | McCulloch, Mason, Menard | 65 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.