Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 42, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Dec 1, 2000, 5:17 PM CST for Cameron County, Texas. It was in force for 58 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
- Dec 1, 2000, 5:17 PM CST (23:17 UTC)
- Expired
- Dec 1, 2000, 6:15 PM CST
- In force
- 58 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Cameron County, TX
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 12:00Z, 11.3 hours before the alert went out and 29 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
- 1593 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 539 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- 84 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 KBRO 012319 SVRBRO TXC061-020015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 517 PM CST FRI DEC 1 2000 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN CAMERON COUNTY IN DEEP SOUTH TEXAS * UNTIL 615 PM CST * AT 513 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR BROWNSVILLE...MOVING SOUTHWEST AT 10 MPH. THIS SEVERE THUNDERSTORM WILL LIKELY PRODUCE DIME SIZE HAIL... AND WINDS IN EXCESS OF 60 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... WEST BROWNSVILLE BETWEEN 515 AND 540 PM CST. 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 2601 9738 2608 9757 2578 9775 2568 9750 SPEECE
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 Dec 1, 3:00 PM CST, 2 hours 17 minutes earlier.
Area forecast discussion, Dec 1, 3:00 PM CST, 2 hours 17 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 300 PM CST FRI DEC 1 2000 PER SURFACE PLOTS PRE-FRONTAL TROF/BOUNDARY WAS INDICATED FROM JUST NW OF OUR CWA TO SOUTH OF ALICE TO SOUTH OF PORT ARTHUR IN EAST TEXAS. BEST THERMAL PACKING WITH STRONGER WINDS AND COLDER AIRMASS LIES BEHIND LINE FROM DEL RIO TO LUFKIN. PRE-FRONTAL BOUNDARY SHOULD MOVE INTO OUR REGION BY MID EVENING. THIS BOUNDARY WILL MOVE INTO UNSTABLE AND MODERATELY MOIST AIRMASS WITH MAIN INTRUSION OF COLD FRONT MOVING IN A FEW HOURS LATER (@ 09Z OVER THE LWR VALLEY). THEREFORE WILL KEEP INHERITED MENTION OF SCATTERED SHOWERS AND THUNDERSTORMS (PERHAPS BUMP UP TO LIKELY). AND WILL KEEP TURNING WINDY VERBIAGE FOR LATE TNGT OR MORE TOWARD MORNING. BEHIND POLAR FRONT...THIS SATURDAY WE WILL SEE BRIEF LIGHT RAIN/DRIZZLE OVERRUNNING SITUATION SETTING UP WITH STRONG NWLY WINDS AND MARKEDLY COLDER AIR INFILTRATING DEEP SOUTH TEXAS. WE SHOULD OUR CALENDAR DAY HIGH TOMORROW SHORTLY AFTER MIDNIGHT WITH TEMPERATURES CONTINUING TO DROP THROUGH THE DAY OR REMAIN STEADY DURING AFTERNOON. BASED ON LATEST AVIATION/ETA/MESO-ETA RUNS...LIGHT RAIN WILL HANG IN DEEP SOUTH TEXAS THROUGH MID AFTERNOON SATURDAY THEN DECREASE OR TAPER BY THE LATER PART OF THE AFTERNOON. NUMERICAL GUIDANCE VALUES INDICATE COLDEST TEMPS FOR SAT NIGHT/SUNDAY MORNING AS WINDS BECOME LIGHT AND SOME PARTIAL CLEARING IS FEASIBLE. CLOUDS WILL INCREASE WITH A SLGT CHANCE OF PRECIP AGAIN SUNDAY AS A SHORT WAVE SKIRTS THE NORTHERN PART OF OUR FORECAST AREA AND AS WE GET SOME CONTINUATION OF SLY WINDS IN THE H8-H7 LAYER OVERRIDING MEAN NLY LOWEST TROPOSPHERIC SFC WINDS AND DAMMED LOWER TROPOSPHERIC MOISTURE. THESE CLOUDS MAY LINGER THROUGH MONDAY NIGHT. EXTENDED...A NWLY FLOW DEVELOPS ALOFT AND REINFORCING HIGH PRESSURE BUILDS ACROSS THE CWA ON TUESDAY AS BLOCKING RIDGE DEVELOPS OVER THE WESTERN UNITED STATES. MOSTLY SUNNY TO PARTLY CLOUDY CONDITIONS EXPECTED MID WEEK TOWARD THE END OF THE WEEK AS HIGH TEMPERATURES MODIFY TO NEAR NORMAL. OVERNIGHT LOWS WILL TAKE A LITTLE LONGER TO WARM NEAR SEASONAL VALUES. MARINE...VIGOROUS COLD FNT WILL TRACK RATHER QUICKLY THROUGH THE COASTAL WATERS AFTER MIDNIGHT AND PUSH SOUTH OF THE REGION A COUPLE HOURS BEFORE SUNRISE. TIGHT THERMAL PACKING AND PRESSURE GRADIENT WL CREATE SCA CONDITIONS LATE TNT AND SAT. STILL EXPECT NLY WINDS AT 25-30 KTS WITH SOME GUSTS NEAR GALE FORCE SATURDAY WHICH WILL SLOWLY SUBSIDE TO 20 KTS SUNDAY. WILL BUMP UP SEAS SLIGHTLY FROM THE 10 FT MARK WHICH THE FCST CURRENTLY HAS...TO 11 TO 12 FEET BY SATURDAY AFTERNOON CONSIDERING THE FETCH SIZE. SCA WILL BE NEEDED THRU SUNDAY OR SUNDAY EVENING AT THE LEAST. BRO RE 047/056 042/053 042 64661 MFE RE 046/055 040/052 040 64661 RGC RE 045/053 038/049 038 64661 SPI RE 055/057 045/053 045 64661 SYNOPTIC...CORDERO (64) MESO...GF (55) HMT...VEGA BRO...SCA ALL MARINE AREAS AFTER MIDNIGHT.
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 1, 5:53 PM CST | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo | 67 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000
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.