Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 67, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Aug 31, 2001, 10:01 PM CDT for Cameron County, Hidalgo County, Texas. It was in force for 89 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 31, 2001, 10:01 PM CDT (03:01 UTC)
- Expired
- Aug 31, 2001, 11:30 PM CDT
- In force
- 89 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
Counties Cameron County, TX, Hidalgo County, TX
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 00:00Z, 3.0 hours before the alert went out and 59 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
- 2854 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 771 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
767 WUUS54 KBRO 010302 SVRBRO TXC061-215-010430- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 1001 PM CDT FRI AUG 31 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CAMERON COUNTY IN DEEP SOUTH TEXAS EASTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS * UNTIL 1130 PM CDT * AT 955 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR DONNA...MOVING EAST AT 15 MPH. THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... WESLACO BY 1020 PM CDT. PROGRESO BY 1030 PM CDT. MERCEDES BY 1035 PM CDT. LA FERIA BY 1100 PM CDT. PALM VALLEY BY 1115 PM CDT. OTHER LOCATIONS IN THE PATH OF THIS STORM INCLUDE...PROGRESO LAKES.
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 Aug 31, 9:15 PM CDT, 46 minutes earlier.
Area forecast discussion, Aug 31, 9:15 PM CDT, 46 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BROWNSVILLE TX
915 PM CDT FRI AUG 31 2001
FLASH FLOOD WATCH NOW IN EFFECT THRU THE NIGHT FOR ALL OF DEEP S TX.
FLASH FLOOD WARNINGS FOR STARR AND HIDALGO COUNTIES TIL 1245 AM SAT.
FLASH FLOOD WARNINGS FOR JIM HOGG AND BROOKS COUNTIES TIL 1000 PM FRI.
EXPLOSIVE CONVECTIVE DEVELOPMENT TOOK PLACE THIS EVENING AS LINE FROM
NW COLLIDED WITH LARGE COMPLEX OVER MEXICO TO PRODUCE RAINFALL RATES
OF 6 INCHES PER HOUR OVER SW HIDALGO...SE STARR...AS WELL AS S KENEDY
COUNTIES. SIGNIFICANT SLOWING OF LINES SEWD PROGRESS ADDED TO THE
EXTREME RAINFALL ACCUMULATION OVER THESE AREAS. LINE EXPECTED TO MAKE
SLOW PROGRESS TO E AND SE AS WILL THE COMPLEX OVER MEXICO WHICH HAVE
NOW BECOME ONE ENTITY. THIS PROMISES TO PROVIDE LOWER VALLEY OF E
HIDALGO...WILLACY AND CAMERON COUNTIES WITH THESE HEAVY RAINS LATER
TONIGHT. THUS ALL OF CWA FAIR GAME FOR FLOODING RAINS...ALTHO NRN
COUNTIES OF BROOKS...JIM HOGG AND ZAPATA WILL BE GETTING N OF RAINS
THIS EVENING. THE FFW FOR BROOKS AND JIM HOGG FROM EARLIER RAINS
WHICH CAME IN FROM NW AND CAUSED SOME CREEK FLOODING THERE. THOSE
WARNINGS EXPIRE AT 10 PM. ATMOSPHERE CONDUCIVE TO KEEP THE STRONG
STORMS FIRING MUCH OF THE NIGHT WITH PWAT 2.23/LI -8/CAPE 4600/
K INDEX 35. H5 TROF REMAINS IN AREA WITH COPIOUS MOISTURE AND
SEVERAL VORT/DISTURBANCES MOVING THRU.
PUBLIC-SYNOPTIC-AVIATION-MARINE...57-KN / MESO...52-HG & VEGA
.BRO...FFA FOR TXZ248>257.
FFW FOR TXZ252-253.In the hours before
Special weather statement, Aug 31, 7:30 PM CDT, 2 hours 31 minutes before
TXZ248>255-010230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 730 PM CDT FRI AUG 31 2001 ...THUNDERSTORMS PRODUCING DANGEROUS CLOUD TO GROUND LIGHTNING... AND VERY HEAVY RAIN...WERE APPROACHING THE LOWER VALLEY... AT 730 PM...AN AREA OF SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS PRODUCING LOCALLY HEAVY RAIN...GUSTY WINDS...AND DANGEROUS CLOUD TO GROUND LIGHTNING....EXTENDED FROM JUST NORTH OF PORT MANSFIELD TO SULLIVAN CITY AND CONTINUED WEST INTO MEXICO. THESE STORMS WERE MOVING SOUTHEAST AT 30 MPH. RIO GRANDE CITY...EDINBURG...MCALLEN...PORT MANSFIELD...RAYMONDVILLE... AND SURROUNDING COMMUNITIES WILL LIKELY EXPERIENCE THIS AREA OF THUNDERSTORMS BETWEEN 745 AND 800 PM. IF THESE STORMS HOLD TOGETHER...THEN THEY SHOULD AFFECT THE HARLINGEN...BROWNSVILLE...PORT ISABEL...SOUTH PADRE ISLAND AND SURROUNDING COMMUNITIES BETWEEN 830 AND 930 PM. STAY TUNED TO NOAA WEATHER RADIO...AND YOUR FAVORITE RADIO OR TV STATION FOR FURTHER UPDATES.
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 8:40 PM CDT | Flash Flood Warning | BRO | Hidalgo, Starr | 4 hr |
| Aug 31, 9:15 PM CDT | Tornado Warning | BRO | Hidalgo | 45 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; the sounding from the Mesonet's radiosonde archive.