Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 40, NWS Austin/San Antonio, TX
NWS Austin/San Antonio, TX issued this severe thunderstorm warning at Apr 16, 2001, 3:55 PM CDT for Lee County, Texas. It was in force for 65 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 16, 2001, 3:55 PM CDT (20:55 UTC)
- Expired
- Apr 16, 2001, 5:00 PM CDT
- In force
- 65 min
- Issued by
- NWS Austin/San Antonio, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Lee County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 16, 4:50 PM CDT | Hail 1 | Lincoln, TX | |
| Apr 16, 4:50 PM CDT | Hail 1 | Lexington, 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 nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 8.9 hours before the alert went out and 277 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
- 1970 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 265 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KEWX 162056 SVRSAT TXC287-162200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 355 PM CDT MON APR 16 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR THE FOLLOWING COUNTIES IN TEXAS... LEE COUNTY * UNTIL 500 PM CDT * AT 355 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES NORTH OF LEXINGTON...MOVING SOUTHEAST AT 25 MPH. VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. LAT...LON 3042 9723 3011 9696 3029 9673 3049 9696 N
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 Austin/San Antonio, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 16, 2:40 PM CDT, 1 hour 15 minutes earlier.
Area forecast discussion, Apr 16, 2:40 PM CDT, 1 hour 15 minutes before
SOUTH CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 240 PM CDT MON APR 16 2001 SCATTERED SHOWERS AND THUNDERSTORMS ARE FIRING JUST NORTH OF THE WARM FRONT FROM TAYLOR TO HOUSTON. THESE TSTMS HAVE SVR POTENTIAL WITH LARGE HAIL BEING THE PRIMARY THREAT. TSTMS MAY BUILD WESTWARD ALONG THE WARM FRONT THIS EVENING AFFECTING THE NE COUNTIES. MAJOR LATE SEASON COLD FRONT WILL ENTER THE TEXAS HILL COUNTRY AROUND MIDNIGHT AND BE SOUTH OF THE CWFA BY TUESDAY MORNING. SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL ACCOMPANY THE FRONT WITH A THREAT OF SVR TSTMS...WITH LARGE HAIL. WILL HAVE POST-FRONTAL RAIN AND TSTMS ON TUESDAY. PCPN CHANCES CONTINUE INTO TUESDAY NIGHT AND WEDNESDAY AS A SHORT WAVE IN THE NW FLOW ALOFT MOVES THRU. TUESDAY WILL BE COOL AND WINDY AS CAA AND CLOUD COVER INHIBIT ANY DAYTIME WARMING. HIGH TEMPS TUESDAY FOR MUCH OF THE CWFA WILL OCCUR IN THE MORNING...WITH FALLING TO NEAR STEADY TEMPS DURING THE AFTERNOON. WARMUP WILL BEGIN THURSDAY WITH HUMID CONDITIONS BACK FOR THE WEEKEND. NEXT CHANCE OF PCPN IS MONDAY. PRELIMS... AUS 58/65/46/65/50 65320 SAT 62/66/50/68/53 65320 DsRT 68/71/53/70/59 55330 .EWX...NONE. 13/05
In the hours before
Special weather statement, Apr 16, 3:15 PM CDT, 40 minutes before
TXZ171>173-183>194-202>209-217>225-228-170400- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX 315 PM CDT MON APR 16 2001 THE NATIONAL WEATHER SERVICE HAS DETERMINED THAT A SLIGHT RISK OF SEVERE THUNDERSTORMS EXISTS OVER PORTIONS OF SOUTH CENTRAL TEXAS AND THE HILL COUNTRY THIS AFTERNOON AND TONIGHT. LARGE HAIL AND DAMAGING WIND GUSTS...ALONG WITH BRIEF HEAVY RAIN...WILL BE THE MAIN THREAT. A COLD FRONT WILL RACE SOUTHWARD INTO CENTRAL AND SOUTH CENTRAL TEXAS TONIGHT. THIS BOUNDARY OF COLDER AIR WILL COLLIDE WITH ABUNDANT LOW-LEVEL MOISTURE STREAMING NORTHWARD FROM THE GULF OF MEXICO. WHERE THE TWO MEET WILL DETERMINE WHERE THE SEVERE THUNDERSTORM POTENTIAL DEVELOPS AND WHERE SEVERE WEATHER WATCHES AND/OR WARNINGS WILL BE REQUIRED. PRE-FRONTAL THUNDERSTORM ACTIVITY HAS ALREADY BEEN TRIGGERED BY AFTERNOON HEATING BETWEEN GEORGETOWN AND HOUSTON IN CENTRAL AND SOUTHEAST TEXAS. CURRENT MOVEMENT IS TOWARD THE SOUTHEAST AT 15 MPH. SPOTTER NETWORKS MAY NEED TO BE ACTIVATED THIS EVENING IN CENTRAL AND SOUTH CENTRAL TEXAS...AS WELL AS THE TEXAS HILL COUNTRY...THIS EVENING. FOR INFORMATION ON WEATHER THREATS IN SURROUNDING AREAS...PLEASE REFER TO OUTLOOKS FROM OFFICES IN MIDLAND/ODESSA...SAN ANGELO...FORT WORTH...HOUSTON/GALVESTON AND CORPUS CHRISTI.
The office that day
Everything else NWS Austin/San Antonio, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 8:45 PM CDT | Severe Thunderstorm Warning | EWX | Real | 60 min |
| Apr 15, 9:42 PM CDT | Severe Thunderstorm Warning | EWX | Uvalde | 63 min |
| Apr 16, 2:18 AM CDT | Severe Thunderstorm Warning | EWX | Edwards, Val Verde | 57 min |
| Apr 16, 3:28 AM CDT | Severe Thunderstorm Warning | EWX | Val Verde | 62 min |
| Apr 16, 4:48 PM CDT | Tornado Warning | EWX | Lee | 42 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.