Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 229, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Jul 3, 2002, 3:15 PM CDT for Crockett County, Texas. It was in force for 30 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
- Jul 3, 2002, 3:15 PM CDT (20:15 UTC)
- Expired
- Jul 3, 2002, 3:45 PM CDT
- In force
- 30 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Crockett County, TX
The radar
The Midland/Odessa radar (KMAF), 104 km from the middle of the area, began a volume at 20:16 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
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 nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 8.3 hours before the alert went out and 105 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
- 1842 J/kg
- Mixed-layer CIN
- -58 J/kg
- Mixed-layer LCL
- 699 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 97 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
653 WUUS54 KSJT 032015 SVRSJT TXC105-032045- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 313 PM CDT WED JUL 3 2002 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CROCKETT COUNTY IN SOUTHWEST TEXAS * UNTIL 345 PM CDT * AT 310 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM ENTERING THE NORTHWESTERN CORNER OF CROCKETT COUNTY...MOVING SOUTH AT 20 MPH. THIS STORM WILL AFFECT THE FAR NORTHWESTERN PART OF CROCKETT COUNTY. SEVERE THUNDERSTORMS PRODUCE LARGE HAIL...DAMAGING WINDS...DANGEROUS LIGHTNING...AND VERY HEAVY RAINFALL. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. LAT...LON 3106 10178 3108 10228 3102 10206 3098 10172
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 Jul 3, 2:25 PM CDT, 50 minutes earlier.
Area forecast discussion, Jul 3, 2:25 PM CDT, 50 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 225 PM CDT WED JUL 3 2002 UPPER LEVEL SHEAR AXIS CONTINUES TO DRIFT VERY SLOWLY WESTWARD ACROSS WEST CENTRAL TEXAS...WITH RAINFALL SPIRALING AROUND THE CWA THIS AFTERNOON. LATEST RADAR TRENDS SHOW SCATTERED SHOWERS MOVING NORTHWEST ACROSS THE BIG COUNTRY...WHILE A FEW SHOWERS AND STORMS MOVING SOUTH ACROSS THE NORTHERN EDWARDS PLATEAU. RAINFALL REPORTS THIS MORNING OF 5 TO 7 INCHES CAME IN FROM PARTS OF CALLAHAN ...BROWN...AND COLEMAN COUNTIES...WITH LIGHTER TOTALS OF AN INCH OR TWO ACROSS ABOUT THE SOUTHEAST HALF OF THE AREA. MODELS SIMILAR IN FORECASTING THE SHEAR AXIS TO PRETTY MUCH BISECT WEST CENTRAL TEXAS TONIGHT. 12Z MODELS SUGGEST THAT THERE WILL BE TWO MAIN LOBES TO HELP CONCENTRATE THE HEAVIEST RAINFALL JUST NORTH AND JUST SOUTH OF WEST CENTRAL TEXAS. NOT REAL CONFIDENT IN THE MODELS GETTING THIS PLACEMENT EXACTLY CORRECT...ESPECIALLY WITH THE 18Z RUC INDICATING JUST ONE UPPER LOW AND LEAVING IT PARKED NEAR SAN ANGELO. GIVEN ALL OF THE MODELS PERFORMANCE...WILL JUST GO WITH WHAT MAKES THE MOST SENSE...BEST POPS ALONG AND EAST OF THE SHEAR AXIS WITH SLIGHTLY LESSER POPS TO THE WEST. GIVEN THAT MANY LOCATIONS ACROSS THE SOUTHEAST HALF OF THE AREA ARE ALREADY SATURATED FROM THE RAINS THIS MORNING...AND WITH PRECIPITABLE WATER VALUES STILL RUNNING QUITE HIGH...WILL REISSUE THE FLASH FLOOD WATCH AND EXPAND IT SLIGHTLY FARTHER TO THE WEST. WILL CONTINUE FAIRLY HIGH POPS INTO THE MORNING...BUT AS THE SYSTEM PUSHES WEST...RAIN CHANCES SHOULD START TO DIMINISH BY THURSDAY NIGHT. STILL...A WARM AND HUMID AIR MASS WILL REMAIN IN PLACE AND ALTHOUGH MAIN SUPPORT WILL BE GONE...STILL THINK THERE WILL BE SCATTERED AFTERNOON AND EVENING CONVECTION THROUGH FRIDAY. EXTENDED WISE...MRF TRIES TO DEVELOP ANOTHER UPPER LOW ACROSS THE CENTRAL PLAINS AND DRAG IT SOUTH INTO TEXAS BY TUESDAY OR WEDNESDAY. MODELS HAVE ENOUGH DIFFICULTY FORECASTING THESE CUTOFF LOWS ACCURATELY OUT TO 48 HOURS...MUCH LESS THE 7TH DAY. WILL HOLD OFF ON INSERTING POPS FOR NOW AND JUST WATCH TO SEE WHAT HAPPENS. ABI 068/085/069/088 7523 SJT 069/085/070/088 7523 JCT 070/087/070/089 7523 .SJT...FLASH FLOOD WATCH FOR MASON...MENARD... MCCULLOCH... KIMBLE...SAN SABA...BROWN...CALLAHAN...COLEMAN...CONCHO...SCHLEICHER ...SUTTON...TOM GREEN...COKE...AND TAYLOR COUNTIES TONIGHT. 07
In the hours before
Special weather statement, Jul 3, 3:07 PM CDT, 8 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-032345- WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 307 PM CDT WED JUL 3 2002 ...SCATTERED THUNDERSTORMS WITH HEAVY RAINFALL ARE EXPECTED ACROSS WEST CENTRAL TEXAS THIS AFTERNOON THROUGH TONIGHT... SHOWERS AND THUNDERSTORMS ARE EXPECTED TO BECOME MORE NUMEROUS TONIGHT...MAINLY AFTER MIDNIGHT. SEVERE STORMS ARE NOT ANTICIPATED...BUT FREQUENT LIGHTNING AND VERY HEAVY RAIN WILL BE LIKELY WITH THE STRONGER STORMS. RAINFALL TOTALS OF 2 TO 4 INCHES WILL BE POSSIBLE AT SCATTERED LOCATIONS IN WEST CENTRAL TEXAS TONIGHT INTO EARLY THURSDAY MORNING. ABUNDANT MOISTURE RESIDES OVER WEST CENTRAL TEXAS...AND THE SHOWERS AND STORMS WILL BE SLOW MOVING. THIS WILL CREATE A POTENTIAL FOR FLASH FLOODING OVERNIGHT IN PARTS OF WEST CENTRAL TEXAS...ESPECIALLY IN AREAS WHICH EXPERIENCED HEAVY RAIN FROM THIS MORNING. PEOPLE THROUGHOUT WEST CENTRAL TEXAS ARE ENCOURAGED TO CHECK THE LATEST FORECASTS AND STATEMENTS FROM THE NATIONAL WEATHER SERVICE CONCERNING THE POTENTIAL FOR FLOODING TONIGHT. SPOTTER ACTIVATION IS NOT ANTICIPATED.
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 2, 11:46 PM CDT | Flash Flood Warning | SJT | San Saba | 6 hr |
| Jul 3, 2:45 AM CDT | Flash Flood Warning | SJT | Brown, Coleman | 3 hr |
| Jul 3, 3:14 AM CDT | Flash Flood Warning | SJT | Callahan | 3 hr |
| Jul 3, 3:18 AM CDT | Flash Flood Warning | SJT | Runnels | 3 hr |
| Jul 3, 5:38 AM CDT | Flash Flood Warning | SJT | Coleman | 3 hr |
| Jul 3, 8:35 AM CDT | Flash Flood Warning | SJT | Coleman | 3 hr |
| Jul 3, 8:44 AM CDT | Flash Flood Warning | SJT | Brown | 4 hr |
| Jul 3, 9:32 AM CDT | Flash Flood Warning | SJT | Callahan | 3 hr |
| Jul 3, 12:36 PM CDT | Flash Flood Warning | SJT | Brown | 3 hr |
| Jul 3, 3:28 PM CDT | Flash Flood Warning | SJT | Brown | 4 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.