Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 41, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Apr 11, 2001, 1:13 AM CDT for Runnels County, Texas. It was in force for 62 min. 2 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Apr 11, 2001, 1:13 AM CDT (06:13 UTC)
- Expired
- Apr 11, 2001, 2:15 AM CDT
- In force
- 62 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Runnels County, TX
The radar
The San Angelo radar (KSJT), 61 km from the middle of the area, began a volume at 06:16 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 11, 1:20 AM CDT | Hail 1 | Ballinger, TX | |
| Apr 11, 1:20 AM CDT | Thunderstorm Wind | Ballinger, TX | Large tree limbs downed by high 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.
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 10, 9:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 6.2 hours before the alert went out and 207 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
- 740 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 2429 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KSJT 110614 SVRSJT TXC399-110715- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 113 AM CDT WED APR 11 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... RUNNELS COUNTY IN SOUTHWEST TEXAS * UNTIL 215 AM CDT * AT 111 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 2 MILES NORTH OF ROWENA...OR ABOUT 7 MILES SOUTHWEST OF BALLINGER...MOVING NORTHEAST AT 50 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... BALLINGER AT 120 AM CDT BENOIT...HATCHEL AT 125 AM CDT A TORNADO WATCH IS ALSO IN EFFECT. 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. DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS. HEAVY RAINS FLOOD ROADS QUICKLY SO4 DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. LAT...LON 3169 10020 3160 10008 3181 9972 3197 9991
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 11, 12:35 AM CDT, 38 minutes earlier.
Area forecast discussion, Apr 11, 12:35 AM CDT, 38 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE SAN ANGELO TX
1235 PM CDT WED APR 11 2001
UPDATED CURRENT PACKAGE TO REMOVE EXPIRED TORNADO WATCHES AND
CONTINUE WIND ADVISORY FOR ALL ZONES TONIGHT.
.SJT...TORNADO WATCH UNTIL 3 AM ZONES 98-99-113-114-127-128-66-139-
140-73-154-155-168>170
WIND ADVISORY ALL ZONES THROUGH 3 AM.
FIRE WEATHER WATCH FOR ALL ZONES ON WEDNESDAY.
HUBERIn the hours before
Local storm report, Apr 11, 12:30 AM CDT, 43 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
1230 AM CDT WED APR 11 2001
TIME(CDT) .....CITY LOCATION..... STATE...EVENT/REMARKS...
....COUNTY LOCATION....
1045 PM 25NE SONORA TX 1.75 INCH HAIL
04/10/01 SUTTON GOLF BALL HAIL
1115 PM 5E SAN ANGELO TX WIND DAMAGE
04/10/01 TOM GREEN NUMEROUS SIGNS DOWN
1205 AM 10E SONORA TX 1.75 INCH HAIL
04/11/01 SUTTON GOLF BALL HAILThe office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 10, 9:33 PM CDT | Severe Thunderstorm Warning | SJT | Fisher, Jones | 42 min |
| Apr 10, 9:49 PM CDT | Severe Thunderstorm Warning | SJT | Irion | 41 min |
| Apr 10, 9:53 PM CDT | Severe Thunderstorm Warning | SJT | Sutton | 67 min |
| Apr 10, 10:15 PM CDT | Severe Thunderstorm Warning | SJT | Haskell | 45 min |
| Apr 10, 10:20 PM CDT | Tornado Warning | SJT | Sutton | 40 min |
| Apr 10, 10:42 PM CDT | Severe Thunderstorm Warning | SJT | Irion | 48 min |
| Apr 10, 10:50 PM CDT | Tornado Warning | SJT | Kimble, Menard | 55 min |
| Apr 10, 10:52 PM CDT | Severe Thunderstorm Warning | SJT | Tom Green | 38 min |
| Apr 10, 11:32 PM CDT | Severe Thunderstorm Warning | SJT | Concho, Runnels | 58 min |
| Apr 11, 12:04 AM CDT | Severe Thunderstorm Warning | SJT | Coleman | 56 min |
| Apr 11, 12:24 AM CDT | Severe Thunderstorm Warning | SJT | Menard, Schleicher | 66 min |
| Apr 11, 2:59 AM CDT | Severe Thunderstorm Warning | SJT | McCulloch | 31 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001
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; radar from the NEXRAD Level II archive.