Alert archive / Texas / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 43, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Dec 1, 2000, 5:53 PM CST for Cameron County, Hidalgo County, Texas. It was in force for 67 min. 1 report 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
- Dec 1, 2000, 5:53 PM CST (23:53 UTC)
- Expired
- Dec 1, 2000, 7:00 PM CST
- In force
- 67 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Cameron County, TX, Hidalgo County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 1, 6:38 PM CST | Hail 0.75 | Weslaco, 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
Brownsville Intl, TX (KBRO), launched 12:00Z, 11.9 hours before the alert went out and 65 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 012353
SVRBRO
TXC061-215-020100-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE BROWNSVILLE TX
553 PM CST FRI DEC 1 2000
THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN CAMERON COUNTY IN DEEP SOUTH TEXAS
SOUTHEASTERN HIDALGO COUNTY IN DEEP SOUTH TEXAS
* UNTIL 700 PM CST
* AT 548 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM NEAR EDCOUCH...MOVING SOUTH 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...
SANTA ROSA BY 605 PM CST.
DONNA...WESLACO BY 630 PM CST.
LA FERIA...MERCEDES BY 635 PM CST.
PROGRESO BY 650 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 2640 9788 2640 9807 2604 9809 2604 9777
2625 9779
$$
SPEECEWhat 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 53 minutes earlier.
Area forecast discussion, Dec 1, 3:00 PM CST, 2 hours 53 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, 5:17 PM CST | Severe Thunderstorm Warning | BRO | Cameron | 58 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.