Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 24, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at May 21, 2001, 10:40 PM CDT for Jim Hogg County, Texas. It was in force for 50 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 21, 2001, 10:40 PM CDT (03:40 UTC)
- Expired
- May 21, 2001, 11:30 PM CDT
- In force
- 50 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Jim Hogg County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 21, 10:46 PM CDT | Hail 1.75 E | Hebbronville, 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
Corpus Christi, TX (KCRP), launched 00:00Z, 3.7 hours before the alert went out and 154 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
- 3375 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 717 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -43 m²/s²
- 0-3 km storm-relative helicity
- -31 m²/s²
- Significant tornado parameter
- -0.4
- Supercell composite
- -2.1
The text
As transmitted, in the capitals the NWS used until 2016.
087 WUUS54 KBRO 220342 CCA SVRBRO TXC247-220430- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING...CORRECTED NATIONAL WEATHER SERVICE BROWNSVILLE TX 1040 PM CDT MON MAY 21 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN JIM HOGG COUNTY IN DEEP SOUTH TEXAS * UNTIL 1130 PM CDT * AT 1034 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR HEBBRONVILLE...MOVING NORTHEAST AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... HEBBRONVILLE BY 1045 PM CDT. $$ LAT...LON 2728 9884 2715 9870 2745 9830 2763 9850 PHILO
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 Brownsville, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 21, 8:19 PM CDT, 2 hours 21 minutes earlier.
Area forecast discussion, May 21, 8:19 PM CDT, 2 hours 21 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 815 CDT MON MAY 21 2001 WE ARE CURRENTLY IN THE MIDDLE OF A SEVERE WEATHER EVENT. PRE-FRONTAL WIND SHIFT LINE IS ENTERING THE NORTHWESTERN CWA AT THIS TIME. CONVECTION SHOULD BEGIN TO DIMINISH WITHIN THE NEXT COUPLE OF HOURS. MUCH COOLER AIR WILL ARRIVE IN THE VALLEY OVERNIGHT. NO CHANGES TO ZONES OR CWF AT THIS TIME. SYNOPTIC...DD (65) / AVIATION-MARINE...60 / MESO...SM INTERNET ADDRESS...WWW.SRH.NOAA.GOV/BRO .BRO...SCA FOR GMZ130-150-155-170-175 TODAY.
In the hours before
Special weather statement, May 21, 5:23 PM CDT, 5 hours 17 minutes before
TXZ248>257-220300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 523 PM CDT MON MAY 21 2001 ...A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR ALL OF DEEP SOUTH TEXAS... THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH VALID UNTIL 10 PM CDT MONDAY EVENING FOR ALL OF DEEP SOUTH TEXAS. THIS WATCH INCLUDES THE COUNTIES OF BROOKS...CAMERON...HIDALGO...JIM HOGG... KENEDY...STARR...WILLACY AND ZAPATA COUNTIES. THIS WATCH INCLUDES THE CITIES AND TOWNS OF...FALFURRIAS... HEBBRONVILLE...MCALLEN...WESLACO...RIO GRANDE CITY...ZAPATA... BROWNSVILLE...HARLINGEN...SAN BENITO...RAYMONDVILLE...SARITA...PORT MANSFIELD...SOUTH PADRE ISLAND...PORT ISABEL...LAGUNA VISTA AND LAGUNA HEIGHTS. THIS SEVERE THUNDERSTORM WATCH INCLUDES THE BAYS AND INLAND WATERWAYS... FROM BAFFIN BAY TO THE RIO GRANDE...AS WELL AS THE NEAR SHORE WATERS FROM BAFFIN BAY TO THE RIO GRANDE OUT TO 20 NAUTICAL MILES OFFSHORE. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. SPEECE
Local storm report, May 21, 7:55 PM CDT, 2 hours 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BROWNSVILLE TX
755 PM CDT MON MAY 21 2001
TIME(CDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0705 PM 11 W RACHAL 1.75 INCH HAIL REPORTED BY
05/21/01 BROOKS COUNTY TX SKYWARN SPOTTER IN RACHALSpecial weather statement, May 21, 10:10 PM CDT, 30 minutes before
TXZ248>250-252-220500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1010 PM CDT MON MAY 21 2001 ...THE SEVERE THUNDERSTORM WATCH FOR BROOKS...JIM HOGG...STARR AND ZAPATA COUNTIES HAS EXPIRED... AT 10 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR IN BROWNSVILLE DETECTED SOME LINGERING SHOWERS AND THUNDERSTORMS OVER BROOKS...JIM HOGG...STARR AND ZAPATA COUNTIES. THESE STORMS CONTINUE TO MOVE EAST AT 10 TO 15 MPH AND ARE SLOWLY WEAKENING IN THE WAKE OF A STRONG COLD FRONT MOVING THROUGH DEEP SOUTH TEXAS. HOWEVER...THESE STORMS WILL CONTINUE TO PRODUCE SOME LOCALLY HEAVY RAIN...DEADLY LIGHTNING AND BRIEF WIND GUSTS FROM 20 TO 30 MPH. THIS ACTIVITY WILL LINGER FOR THE NEXT ONE TO TWO HOURS...BUT WILL LIKELY DISSIPATE BY MIDNIGHT TONIGHT. ACCORDINGLY...THE SEVERE THUNDERSTORM WATCH HAS EXPIRED OVER BROOKS... JIM HOGG...STARR AND ZAPATA COUNTIES AND WILL NOT BE REISSUED. SPEECE
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 7:13 PM CDT | Tornado Warning | BRO | Brooks, Hidalgo, Kenedy | 62 min |
| May 21, 7:19 PM CDT | Severe Thunderstorm Warning | BRO | Brooks | 56 min |
| May 21, 7:50 PM CDT | Flash Flood Warning | BRO | Starr | 3 hr |
| May 21, 8:01 PM CDT | Severe Thunderstorm Warning | BRO | Hidalgo, Starr | 59 min |
| May 21, 8:44 PM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 61 min |
| May 21, 9:06 PM CDT | Severe Thunderstorm Warning | BRO | Kenedy | 54 min |
| May 21, 9:14 PM CDT | Tornado Warning | BRO | Hidalgo | 46 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.