Alert archive / Texas / Tornado Warnings in 2002
Tornado Warning 42, NWS San Angelo, TX
NWS San Angelo, TX issued this tornado warning at May 7, 2002, 8:34 PM CDT for Nolan County, Texas. It was in force for 56 min. 5 reports 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
- May 7, 2002, 8:34 PM CDT (01:34 UTC)
- Expired
- May 7, 2002, 9:30 PM CDT
- In force
- 56 min
- Issued by
- NWS San Angelo, TX
- Area
- Counties, with a storm outline in the text
County Nolan County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 7, 8:50 PM CDT | Tornado F0 | Sweetwater, TX | The fire department reported a narrow debris path crossing state highway 70 south of Sweetwater. |
| May 7, 9:00 PM CDT | Hail 2.75 | Maryneal, TX | A severe thunderstorm produced damage to several cars at a camp near Maryneal. |
| May 7, 9:25 PM CDT | Hail 1.75 | Maryneal, TX | A second severe thunderstorm moves into Maryneal producing golfball size hail. |
| May 7, 9:30 PM CDT | Hail 1.75 | Sweetwater, TX | Golfball size hail produce roof and window damage to a house near Lake Sweetwater. |
| May 7, 9:30 PM CDT | Thunderstorm Wind | Sweetwater, TX | High thunderstorm winds blew down several trees at the Lake Sweetwater Country Club. One house had some slight damage due to the winds. |
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 tornado 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 00:00Z, 1.6 hours before the alert went out and 179 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
- 4703 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 21 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WFUS54 KSJT 080134
TORSJT
TXC353-080230-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
834 PM CDT TUE MAY 7 2002
THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A
* TORNADO WARNING FOR...
NOLAN COUNTY IN NORTHWEST TEXAS
* UNTIL 930 PM CDT
* AT 831 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
DEVELOPING TORNADO 4 MILES NORTHEAST OF MARYNEAL...OR ABOUT 13
MILES SOUTH OF SWEETWATER...MOVING NORTHEAST AT 35 MPH.
* THE TORNADO IS EXPECTED TO BE NEAR...
NOLAN AT 840 PM CDT
A TORNADO MAY FORM AT ANY TIME. TAKE COVER NOW ABANDON MOBILE HOMES
AND VEHICLES FOR MORE SUBSTANTIAL SHELTER.
LAT...LON 3232 10054 3217 10042 3225 10016 3248 10017
3251 10029What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at May 7, 2:27 PM CDT, 6 hours 7 minutes earlier.
Area forecast discussion, May 7, 2:27 PM CDT, 6 hours 7 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 227 PM CDT TUE MAY 7 2002 MORE POTENTIAL FOR ISOLATED THUNDERSTORMS ALONG THE DRYLINE THIS EVENING. DENSE CIRRUS CANOPY...WHICH LIMITED SURFACE HEATING YESTERDAY...HAS SHIFTED EAST OF THE FORECAST AREA EARLY THIS AFTERNOON. COMBO OF STRONG HEATING AND MID-UPPER 60S DEWPOINTS PUSHING CAPE VALUES INTO THE 2500 TO 3000 J/KG RANGE ACROSS THE CONCHO VALLEY AND WESTERN BIG COUNTRY. AS OF 1845Z...DRYLINE HAS PUSHED THROUGH MIDLAND AND FORT STOCKTON...SO MAKING EASTWARD PROGRESS. PER MSAS...BETTER LOW LEVEL CONVERGENCE OCCURRING NEAR THE PECOS RIVER IN FAR WESTERN CROCKETT COUNTY. SURMISE STORMS COULD INITIATE HERE. WEAK SHORTWAVE ENERGY IN SOUTHWEST FLOW ALOFT EXPECTED TO INTERSECT THE DRYLINE BETWEEN 00Z-06Z...AIDING THE CAUSE. SO PARAMETERS COMING TOGETHER. HOWEVER...THE CAP REMAINS STRONG WITH CIN VALUES IN EXCESS OF 140 J/KG. THUS...BELIEVE ISOLATED THUNDER WILL HOLD OFF UNTIL AT LEAST 6 PM...THEN PERSIST THROUGH ABOUT 10 PM. STAY TUNED. THE DRYLINE RETREATS WEST OF THE FORECAST AREA OVERNIGHT...BUT DOESN/T STRAY TOO FAR. LOW CLOUDS LIKELY TO SPREAD OVER THE HEARTLAND AND NORTHWEST HILL COUNTRY LATE TONIGHT. DRYLINE MIXES THROUGH ALL BUT THE FAR EASTERN COUNTIES ON WEDNESDAY...BRINGING WARM AND BREEZY CONDITIONS. COUPLE OF COLD FRONTS...WITH UPPER SUPPORT...TO BRING DECENT RAIN CHANCES TO WEST CENTRAL TEXAS THURSDAY NIGHT AND FRIDAY...THEN AGAIN ON MONDAY AND TUESDAY. INITIAL FRONT PULLS UP STATIONARY SOUTH OF THE FORECAST AREA THURSDAY AFTERNOON. STRONG LOW LEVEL JET THEN PUMPS COPIOUS MOISTURE OVER THE STALLED BOUNDARY...GENERATING SCATTERED ELEVATED THUNDERSTORMS ACROSS MAINLY THE CENTRAL AND SOUTHERN COUNTIES THURSDAY NIGHT. BOUNDARY THEN LIFTS NORTH INTO THE CONCHO VALLEY AND HEARTLAND BY FRIDAY AFTERNOON...TOUCHING OFF ANOTHER ROUND OF THUNDERSTORMS. STORMS TO LINGER OVER THE BIG COUNTRY FRIDAY NIGHT...BEFORE THE WARM FRONT LIFTS NORTH OF THE FORECAST AREA. NEXT OF KIN ARRIVES SUNDAY NIGHT...WITH MORE SCATTERED THUNDERSTORMS ALONG...NEAR THE BOUNDARY MONDAY AND TUESDAY. ACTIVE MID MAY WEATHER PATTERN MATERIALIZING...RIGHT ON SCHEDULE. SATURDAY AND SUNDAY LOOK WARM AND HUMID IN CAPPED WARM SECTOR. PRELIM CCF... ABI 070/093/061/077 100 SJT 071/094/063/085 100 JCT 071/090/064/086 110 .SJT...NONE. 17
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 7, 7:32 PM CDT | Severe Thunderstorm Warning | SJT | Sterling | 58 min |
| May 7, 7:51 PM CDT | Severe Thunderstorm Warning | SJT | Coke | 54 min |
| May 7, 8:02 PM CDT | Severe Thunderstorm Warning | SJT | Nolan | 58 min |
| May 7, 8:49 PM CDT | Severe Thunderstorm Warning | SJT | Coke | 11 min |
| May 7, 8:56 PM CDT | Severe Thunderstorm Warning | SJT | Jones, Taylor | 64 min |
| May 7, 9:10 PM CDT | Tornado Warning | SJT | Jones | 50 min |
| May 7, 9:15 PM CDT | Tornado Warning | SJT | Taylor | 60 min |
| May 7, 9:31 PM CDT | Tornado Warning | SJT | Nolan | 29 min |
| May 7, 9:34 PM CDT | Tornado Warning | SJT | Shackelford | 56 min |
| May 7, 10:06 PM CDT | Severe Thunderstorm Warning | SJT | Nolan | 39 min |
| May 7, 10:09 PM CDT | Tornado Warning | SJT | Taylor | 66 min |
| May 7, 10:10 PM CDT | Tornado Warning | SJT | Taylor | 65 min |
| May 7, 10:39 PM CDT | Severe Thunderstorm Warning | SJT | Fisher | 36 min |
| May 7, 10:41 PM CDT | Severe Thunderstorm Warning | SJT | Shackelford | 79 min |
| May 8, 3:53 PM CDT | Severe Thunderstorm Warning | SJT | Coleman | 67 min |
| May 8, 4:26 PM CDT | Tornado Warning | SJT | Coleman | 64 min |
| May 8, 4:29 PM CDT | Severe Thunderstorm Warning | SJT | Callahan | 61 min |
| May 8, 4:37 PM CDT | Tornado Warning | SJT | Brown | 53 min |
| May 8, 5:22 PM CDT | Tornado Warning | SJT | Brown | 23 min |
| May 8, 6:48 PM CDT | Severe Thunderstorm Warning | SJT | McCulloch | 57 min |
| May 8, 6:56 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 64 min |
| May 8, 6:58 PM CDT | Severe Thunderstorm Warning | SJT | Coleman | 47 min |
Nearby
Tornado Warnings in Texas, 2002Every tornado warning in 2002Tornadoes 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.