Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 189, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at May 27, 2002, 7:49 PM CDT for Irion County, Texas. It was in force for 56 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 27, 2002, 7:49 PM CDT (00:49 UTC)
- Expired
- May 27, 2002, 8:45 PM CDT
- In force
- 56 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Irion County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 27, 8:15 PM CDT | Hail 0.88 | Mertzon, 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 27, 1:15 PM CDT | Tornado Watch | SPC | 7 hr |
| May 27, 7:45 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 0.8 hours before the alert went out and 136 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
- 764 J/kg
- Mixed-layer CIN
- -129 J/kg
- Mixed-layer LCL
- 2039 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 77 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
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 27, 7:48 PM CDT, 1 minute earlier.
Area forecast discussion, May 27, 7:48 PM CDT, 1 minute before
WEST CENTRAL TEXAS FORECAST DISCUSSION...CORRECTED UPDATE NATIONAL WEATHER SERVICE SAN ANGELO TX 748 PM CDT MON MAY 27 2002 RECENTLY ISSUED SEVERE THUNDERSTORM WATCH #349 REPLACES THE TORNADO WATCH #343 FOR MOST OF OUR COUNTIES (EXCEPT HASKELL AND THROCKMORTON COUNTIES). WILL SEND A ZONE UPDATE TO ACCOUNT FOR THE NEW SEVERE THUNDERSTORM WATCH. THUNDERSTORM THREAT TO END AROUND MIDNIGHT OR SHORTLY THEREAFTER. .SJT...SEVERE THUNDERSTORM WATCH FOR ALL OF WEST CENTRAL TEXAS EXCEPT HASKELL AND THROCKMORTON COUNTIES UNTIL MIDNIGHT. 19
In the hours before
Special weather statement, May 27, 2:10 PM CDT, 5 hours 39 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-272300- WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 210 PM CDT MON MAY 27 2002 ...THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS ACROSS WEST CENTRAL TEXAS THIS AFTERNOON AND TONIGHT... A MOIST AND VERY UNSTABLE AIRMASS REMAINS IN PLACE ACROSS WEST CENTRAL TEXAS. THIS...COMBINED WITH AN UPPER LEVEL DISTURBANCE MOVING OUT OF NEW MEXICO AND ACROSS THE TEXAS PANHANDLE...HAS ALREADY PRODUCE SEVERE THUNDERSTORMS IN THE BIG COUNTRY...NORTH OF INTERSTATE 20 THIS AFTERNOON. SEVERE THUNDERSTORMS WILL BE POSSIBLE ACROSS WEST CENTRAL TEXAS THROUGH TONIGHT...WITH GREATEST POTENTIAL ACROSS THE BIG COUNTRY AND NORTHERN CONCHO VALLEY WHERE THE INTERSECTION OF THE DRYLINE AND A WEAK WARM FRONT HAS FOCUSED THUNDERSTORM DEVELOPMENT. THE PRIMARY THREATS WILL BE LARGE HAIL AND DAMAGING WINDS ACROSS THE ENTIRE AREA. THERE IS ALSO THE POSSIBILITY OF A TORNADO OR TWO IN THE NORTHERN PORTIONS OF THE CONCHO VALLEY AND ESPECIALLY OVER THE BIG COUNTRY...WHERE BETTER WIND SHEAR WILL PROFILE WILL BE IN PLACE NORTH OF A NEARLY STATIONARY BOUNDARY. IN ADDITION WITH ALL OF THE RAIN THAT HAS FALLEN ACROSS THE NORTHERN SECTIONS OF THE CONCHO VALLEY AND THE BIG COUNTRY THE PAST SEVERAL DAYS...THERE IS A CHANCE THAT FLASH FLOODING COULD BECOME A THREAT AS THESE THUNDERSTORMS WILL LIKELY DROP AN INCH OR TWO OF RAIN IN A SHORT PERIOD OF TIME. SPOTTER HAVE ALREADY BEEN ACTIVATED THIS AFTERNOON. FOR ADDITIONAL INFORMATION PLEASE SEE STATEMENTS AND OUTLOOKS FROM NATIONAL WEATHER SERVICE OFFICES ACROSS TEXAS...OKLAHOMA...AND NEW MEXICO. 04
Local storm report, May 27, 6:03 PM CDT, 1 hour 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO, TX
603 PM CDT MON MAY 27 2002
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0435 PM ROBERT LEE TX 1.75 INCH HAIL
05/27/02 COKE
0509 PM 6 N MILES TX 2.50 INCH HAIL
05/27/02 RUNNELS
0515 PM 2 N ORIENT TX 2.50 INCH HAIL
05/27/02 TOM GREENThe office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 7:17 PM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 58 min |
| May 27, 7:40 PM CDT | Severe Thunderstorm Warning | SJT | Coke | 50 min |
| May 27, 7:43 PM CDT | Severe Thunderstorm Warning | SJT | San Saba | 62 min |
| May 27, 8:10 PM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 65 min |
| May 27, 8:25 PM CDT | Severe Thunderstorm Warning | SJT | Concho | 65 min |
| May 27, 8:44 PM CDT | Severe Thunderstorm Warning | SJT | Schleicher | 61 min |
| May 27, 9:10 PM CDT | Severe Thunderstorm Warning | SJT | Menard | 65 min |
| May 27, 9:23 PM CDT | Severe Thunderstorm Warning | SJT | Concho | 52 min |
| May 27, 9:40 PM CDT | Severe Thunderstorm Warning | SJT | McCulloch | 65 min |
| May 27, 9:45 PM CDT | Severe Thunderstorm Warning | SJT | Schleicher | 45 min |
| May 27, 10:03 PM CDT | Severe Thunderstorm Warning | SJT | Sutton | 42 min |
| May 27, 10:10 PM CDT | Severe Thunderstorm Warning | SJT | Mason | 80 min |
| May 27, 10:20 PM CDT | Flash Flood Warning | SJT | McCulloch | 2 hr |
| May 27, 10:20 PM CDT | Severe Thunderstorm Warning | SJT | Kimble | 55 min |
| May 27, 10:29 PM CDT | Severe Thunderstorm Warning | SJT | San Saba | 61 min |
| May 27, 11:14 PM CDT | Severe Thunderstorm Warning | SJT | Kimble | 46 min |
| May 28, 6:58 AM CDT | Flash Flood Warning | SJT | Shackelford | 2 hr |
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.