Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 1, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Mar 14, 1997, 1:20 PM CST for Hidalgo County, Texas. It was in force for 55 min. 2 reports 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
- Mar 14, 1997, 1:20 PM CST (19:20 UTC)
- Expired
- Mar 14, 1997, 2:15 PM CST
- In force
- 55 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Hidalgo County, TX
The radar
The Brownsville radar (KBRO), 93 km from the middle of the area, began a volume at 19:21 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 14, 1:30 PM CST | Hail 1.75 | Mccook, TX | |
| Mar 14, 2:05 PM CST | Hail 4.5 | Mission, 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, 7.3 hours before the alert went out and 96 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2062 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- -3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
216 WUUS1 KBRO 141921 RRA SVRBRO TXC215-142015- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 120 PM CST FRI MAR 14 1997 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS...... IN SOUTH TEXAS ...WESTERN HIDALGO COUNTY BROWNSVILLE DOPPLER RADAR INDICATED THAT THE ISOLATED THUNDERSTORMS IN WESTERN HIDALGO COUNTY WERE BEGINNING TO PRODUCE HAIL. STRONG GUSTY WINDS IN EXCESS OF 50 MPH CAN ALSO BE EXPECTED ALONG WITH LOCALLY HEAVY RAINFALL. THE STRONGEST THUNDERSTORM CELLS WERE LOCATED FROM 15 MILES NORTHWEST OF MCCOOK TO 10 MILES SOUTH OF MCCOOK. MOVEMENT WAS TO THE SOUTH-SOUTHEAST AT 20 MPH. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DONT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. &
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 Mar 14, 9:50 AM CST, 3 hours 30 minutes earlier.
Area forecast discussion, Mar 14, 9:50 AM CST, 3 hours 30 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 945 AM CST FRI MAR 14 1997 CDFNT FASTER AND STRONGER THAN EARLIER MODELS SUGGESTED SO WILL HAVE TO ADJUST FCST FOR THESE CHANGES. PRE-FRONTAL TROF JUST WENT THRU NQI AND BARRELING SWD AT 40 MPH OR MORE. FNT NOT FAR BEHIND. WSHFT WILL RCH NRN COUNTIES OF DEEP S TX BEFORE NOON AND REST OF VALLEY IN ERY AFTN. MOCLR SKIES AHD OF TROF WILL CLOUD UP BEHIND WSHFT THIS AFTN. WNDS BEHIND TROF NR 15 MPH BUT BEHIND FNT WILL BE 20-30 AND GUSTY. SCA IN ORDER AS IS WND ADVY FOR THIS AFTN. CAA WILL BE STG AND LKLY TO PRODUCE TEMPS HERE SVRL DEGS UNDER MOS FCST BOTH TNGT AND SAT...BASED ON UPSTREAM TEMPS THAT ARE DROPPING 20-25 DEGS IMMEDIATELY BEHIND FNT. READINGS IN 40S OVR CNTRL TX AND 20S TX PNHDL PORTEND A CHILLY COUPLE OF DAYS FOR OUR AREA. NOT SEEING ANY CNVCTN NR FNT ATTM AND WOULD EXPCT MSTLY PTCHY LGT RAIN POST-FRONT AS OVRNG QUICKLY DVLPS. RDG BLDG DOWN S TX AND MEXICAN COASTS SHUD HOLD THE N WNDS AND COLD AIR IN THRU SUN AT LEAST WITH ETA SHOWING THIS TREND BETTER THAN NGM...THE LATTER MOVING RDG OUT TO E TOO FAST. FCST AS FOLLOWS: ...WND ADVY IN EFFECT THIS AFTN... .THIS AFTN...INCRSG CLDS AND BCMG WINDY. HIGHS IN MID-UPR 80S WITH TEMPS FALLING INTO 60S BY LT AFTN. SW WIND 10-15 SHIFTING TO N AND INCRSG TO 20-30 MPH AND GUSTY DURG AFTN. .TNGT...CLDY/WINDY/COLDER. 20 PCT CHC RAIN. LOWS UPR 40S W TO LWR 50S E AND MID 50S CST. N WIND 15-25 MPH/GSTY. .SAT...CLDY/BREEZY/COOL. 20 PCT CHC RAIN. HIGHS IN UPR 50S/LWR 60S. N WND 15-20 MPH/GSTY. 57
In the hours before
Special weather statement, Mar 14, 10:38 AM CST, 2 hours 42 minutes before
TXZ248>255-142300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1045 AM CST FRI MAR 14 1997 ...STRONG COLD FRONT RACING TOWARD DEEP SOUTH TEXAS... AT LATE MORNING AN ARCTIC COLD FRONT WAS LOCATED FROM CORPUS CHRISTI TO LAREDO AND WAS MOVING SOUTH NEAR 40 MPH. THE COLD AIR BEHIND THIS FRONT WILL BRING A SHARP CHANGE TO DEEP SOUTH TEXAS WEATHER COMPARED TO THE QUITE WARM CONDITIONS OF THE PAST COUPLE OF DAYS. THERE IS A PRE-FRONTAL TROUGH WHICH WILL BRING A WIND SHIFT TO THE NORTH BY EARLY AFTERNOON. TEMPERATURES WILL NOT BE AFFECTED MUCH BY THIS WIND SHIFT. HOWEVER...THE ACTUAL FRONT WILL FOLLOW BY JUST A FEW HOURS AND WILL BRING WITH IT A QUICK TEMPERATURE DROP OF 20 DEGREES OR MORE ALONG WITH A STRONGER NORTH WIND OF 20 TO 30 MPH WITH HIGHER GUSTS. BY THE LATTER HALF OF THE AFTERNOON...ALL OF THE AREA WILL BE FEELING THIS COLD WIND. SKIES WILL EXHIBIT PLENTY OF SUNSHINE ON EITHER SIDE OF THE TROUGH BUT CLOUDS WILL INCREASE RAPIDLY BEHIND THE FRONT THIS AFTERNOON. NOT MUCH IN THE WAY OF RAIN IS EXPECTED WITH THE FRONT...BUT LIGHT RAIN COULD BECOME MORE PREVALENT OVER THE WEEKEND AS OVERRUNNING CONDITIONS BECOME BETTER ESTABLISHED. WEEKEND WEATHER ACROSS DEEP SOUTH TEXAS WILL BE MORE LIKE WINTER THAN THE SPRINGLIKE CONDITIONS OF THE RECENT PAST. WITH THE COLD AIR CONTINUING TO POUR IN ON SATURDAY ALONG WITH OVERCAST SKIES... TEMPERATURES DURING THE DAY WILL STRUGGLE TO REACH THE 60S. OVERNIGHT READINGS TONIGHT MAY DROP INTO THE 40S INLAND AND 50S AT THE COAST. SUNDAY WILL LIKELY SEE LITTLE IMPROVEMENT AS THE CLOUDS AND POSSIBLE RAIN KEEP THE COLD AIR TRAPPED OVER THE VALLEY. A GRADUAL WARMUP SHOULD COMMENCE BY EARLY NEXT WEEK. NEWMAN
Special weather statement, Mar 14, 10:45 AM CST, 2 hours 35 minutes before
TXZ248>255-142300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 1045 AM CST FRI MAR 14 1997 ...STRONG COLD FRONT RACING TOWARD DEEP SOUTH TEXAS... AT LATE MORNING AN ARCTIC COLD FRONT WAS LOCATED FROM CORPUS CHRISTI TO LAREDO AND WAS MOVING SOUTH NEAR 40 MPH. THE COLD AIR BEHIND THIS FRONT WILL BRING A SHARP CHANGE TO DEEP SOUTH TEXAS WEATHER COMPARED TO THE QUITE WARM CONDITIONS OF THE PAST COUPLE OF DAYS. THERE IS A PRE-FRONTAL TROUGH WHICH WILL BRING A WIND SHIFT TO THE NORTH BY EARLY AFTERNOON. TEMPERATURES WILL NOT BE AFFECTED MUCH BY THIS WIND SHIFT. HOWEVER...THE ACTUAL FRONT WILL FOLLOW BY JUST A FEW HOURS AND WILL BRING WITH IT A QUICK TEMPERATURE DROP OF 20 DEGREES OR MORE ALONG WITH A STRONGER NORTH WIND OF 20 TO 30 MPH WITH HIGHER GUSTS. BY THE LATTER HALF OF THE AFTERNOON...ALL OF THE AREA WILL BE FEELING THIS COLD WIND. SKIES WILL EXHIBIT PLENTY OF SUNSHINE ON EITHER SIDE OF THE TROUGH BUT CLOUDS WILL INCREASE RAPIDLY BEHIND THE FRONT THIS AFTERNOON. NOT MUCH IN THE WAY OF RAIN IS EXPECTED WITH THE FRONT...BUT LIGHT RAIN COULD BECOME MORE PREVALENT OVER THE WEEKEND AS OVERRUNNING CONDITIONS BECOME BETTER ESTABLISHED. WEEKEND WEATHER ACROSS DEEP SOUTH TEXAS WILL BE MORE LIKE WINTER THAN THE SPRINGLIKE CONDITIONS OF THE RECENT PAST. WITH THE COLD AIR CONTINUING TO POUR IN ON SATURDAY ALONG WITH OVERCAST SKIES... TEMPERATURES DURING THE DAY WILL STRUGGLE TO REACH THE 60S. OVERNIGHT READINGS TONIGHT MAY DROP INTO THE 40S INLAND AND 50S AT THE COAST. SUNDAY WILL LIKELY SEE LITTLE IMPROVEMENT AS THE CLOUDS AND POSSIBLE RAIN KEEP THE COLD AIR TRAPPED OVER THE VALLEY. A GRADUAL WARMUP SHOULD COMMENCE BY EARLY NEXT WEEK. NEWMAN
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 14, 2:13 PM CST | Severe Thunderstorm Warning | BRO | Hidalgo | 47 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997
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; radar from the NEXRAD Level II archive.