Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 73, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Oct 6, 2001, 2:03 AM CDT for Hidalgo County, Starr County, Texas. It was in force for 42 min. No storm report in the archive falls 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.
The facts
- Issued
- Oct 6, 2001, 2:03 AM CDT (07:03 UTC)
- Expired
- Oct 6, 2001, 2:45 AM CDT
- In force
- 42 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Hidalgo County, TX, Starr County, TX
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 00:00Z, 7.1 hours before the alert went out and 134 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
- 2733 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 755 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 4.9
The text
As transmitted, in the capitals the NWS used until 2016.
707 WUUS54 KBRO 060704 SVRBRO TXC215-427-060745- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 203 AM CDT SAT OCT 6 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHERN HIDALGO COUNTY IN DEEP SOUTH TEXAS NORTHEASTERN STARR COUNTY IN DEEP SOUTH TEXAS * UNTIL 245 AM CDT * AT 157 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR LA GLORIA...OR 17 MILES NORTHWEST OF MCCOOK...MOVING EAST AT 20 MPH. THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE DIME SIZE HAIL... AND WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF... NORTHEASTERN STARR...NORTHWESTERN HIDALGO AND NORTHERN HIDALGO COUNTIES. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE ADVANCE WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WINDS...LARGE HAIL...FREQUENT CLOUD TO GROUND LIGHTNING...AND VERY HEAVY RAIN ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. LAT...LON 2677 9866 2660 9870 2649 9806 2677 9802 YURA
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 Oct 5, 8:30 PM CDT, 5 hours 33 minutes earlier.
Area forecast discussion, Oct 5, 8:30 PM CDT, 5 hours 33 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 830 PM CDT FRI OCT 5 2001 WILL NOT MAKE ANY CHANGES TO ONGOING FORECAST. MOSTLY CLEAR SKIES THIS EVENING OVER DEEP SOUTH TEXAS AS WATER VAPOR IMAGERY SHOWS PLENTY OF DRY AIR IN THE UPPER LEVELS OF THE ATMOSPHERE. EVENING BRO SOUNDING CONFIRMS THIS AS PWAT VALUES DROPPED TO 1.62 INCHES. THE WEST AND SOUTHWEST WINDS NEAR 850 MB HAVE INCREASED THE CAP...MAKING IT DIFFICULT TO SUSTAIN CONVECTION. A FEW STORMS THAT HAVE FIRED JUST TO THE NORTH OF OUR CWA HAVE QUICKLY DISSIPATED AS THERMODYNAMICS NOT STRONG ENOUGH. WE ARE IN THE RIGHT REAR QUADRANT OF UPPER JET AND COLD FRONT CONTINUES TO HEAD SOUTH TOWARD OUR AREA. THIS COMBINATION MAY STILL BE ENOUGH PUNCH TO BREAK CAP AND ALLOW FOR CONVECTION OVERNIGHT. WILL CONTINUE TO MENTION POSSIBILITY OF SEVERE AS DRY AIR ALOFT MAY AID IN PRODUCING SEVERE WIND GUSTS. HAIL PROBABILITIES ARE LOW AS FREEZING LEVEL INCREASED TO 16KFT. FRONT IS THROUGH SAN ANTONIO AND IS APPROACHING PLEASANTON ON HIGHWAY 37. THE FRONT MOVED THROUGH CENTRAL TEXAS AT ABOUT 20 KNOTS WHICH WOULD BRING THE FRONT THROUGH THE LOWER RIO GRANDE VALLEY AROUND 4 AM. WINDS NOT THAT IMPRESSIVE BEHIND FRONT BUT SOME STATIONS ARE REPORTING GUSTS OVER 20 KNOTS. MESO ETA BEGINS TO BACK WINDS TO NORTHEAST AT 09Z BUT WAITS UNTIL SUNRISE TO BRING STRONGER NORTH WINDS. WILL STICK WITH A PREDAWN PASSAGE FOR NOW. SMALL CRAFT ADVISORIES ARE UP AND WILL LIKELY REMAIN UP THROUGH MOST OF SATURDAY. MESO ETA SHOWS WINDS OF 20 TO 25 KNOTS OVER THE GULF AND BAY BY LATE SATURDAY MORNING. SYNOPTIC-PUBLIC...YURA (69) MARINE-AVIATION-MESO...MCGUIRE (55) .BRO...SCA FOR GMZ130-150-155-170-175.
In the hours before
Special weather statement, Oct 5, 9:00 PM CDT, 5 hours 3 minutes before
TXZ248>257-061200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BROWNSVILLE TX 900 PM CDT FRI OCT 5 2001 ...A FEW STRONG THUNDERSTORMS POSSIBLE TONIGHT... A POWERFUL COLD FRONT PUSHING SOUTH THROUGH SOUTH CENTRAL TEXAS THIS EVENING WILL CONTINUE TO MOVE SOUTH INTO DEEP SOUTH TEXAS BETWEEN 3:00 AND 5:00 AM. ABUNDANT MOISTURE AND INSTABILITY REMAIN IN PLACE OVER THE REGION...THIS WILL INTERACT WITH THE FRONT TO PROVIDE A CHANCE OF SHOWERS AND THUNDERSTORMS. THE PRIMARY THREAT FROM ANY THUNDERSTORMS THAT FORM WILL BE FREQUENT LIGHTNING AND WIND GUSTS OF 40 MPH. ISOLATED SMALL HAIL AND HEAVY DOWNPOURS WILL ALSO BE POSSIBLE. RAINFALL AMOUNTS OF ONE QUARTER TO ONE HALF INCH CAN BE EXPECTED. AS THE COLD FRONT MOVES OFFSHORE OVER THE LOWER TEXAS COAST...STRONG NORTHERLY WINDS UP TO 25 MPH WILL PRODUCE ROUGH BAY WATERS AND GULF SWELLS FROM 7 TO 8 FEET ON SATURDAY. SMALL CRAFT ADVISORIES ARE POSTED TONIGHT AND SATURDAY FOR BOTH THE LAGUNA MADRE AND THE OFFSHORE WATERS. MCGUIRE
Special weather statement, Oct 5, 11:33 PM CDT, 2 hours 30 minutes before
TXZ249-060500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1133 PM CDT FRI OCT 5 2001 ...STRONG THUNDERSTORM HEADED NEAR HEBBRONVILLE... AT 1133 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A STRONG THUNDERSTORM 5 MILES NORTHWEST OF HEBBRONVILLE. THE STORM IS MOVING SOUTHEAST AT 20 MPH AND SHOULD PASS OVER HEBBRONVILLE BY 1145 PM. STRONG GUSTY WINDS NEAR 50 MPH...SMALL HAIL...AND DANGEROUS LIGHTNING WILL ACCOMPANY THE STORM. STAY TUNED TO NOAA WEATHER RADIO AND THE NATIONAL WEATHER SERVICE FOR FURTHER UPDATES. YURA
Special weather statement, Oct 6, 12:38 AM CDT, 1 hour 25 minutes before
TXZ248-249-252-060630- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1238 AM CDT SAT OCT 6 2001 ...STRONG THUNDERSTORM HEADED NEAR SOUTHERN ZAPATA COUNTY AND FALCON LAKE... AT 1245 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES A STRONG THUNDERSTORM 5 MILES NORTHWEST OF FALCON LAKE... MOVING SOUTHEAST AT 20 MPH. ALTHOUGH THIS STORM APPEARED SEVERE OVER MEXICO...IT HAS DECREASED IN INTENSITY OVER THE PAST SEVERAL MINUTES. HOWEVER...AS THIS STORM MOVES OVER FALCON LAKE...GUSTY WINDS NEAR 50 MPH...SMALL HAIL...AND FREQUENT LIGHTNING CAN BE EXPECTED. STAY TUNED TO NOAA WEATHER RADIO AND THE NATIONAL WEATHER SERVICE FOR FURTHER UPDATES.
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 6, 12:48 AM CDT | Special Marine Warning | BRO | 72 min | |
| Oct 6, 3:08 AM CDT | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo, Willacy | 60 min |
| Oct 6, 3:36 AM CDT | Special Marine Warning | BRO | 3 hr | |
| Oct 6, 3:36 AM CDT | Special Marine Warning | BRO | 3 hr |
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.