Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 7, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Sep 1, 1990, 2:55 PM CDT for Hidalgo County, Texas. It was in force for 28 min.
The area
The counties it named.
The facts
- Issued
- Sep 1, 1990, 2:55 PM CDT (19:55 UTC)
- Expired
- Sep 1, 1990, 3:23 PM CDT
- In force
- 28 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Hidalgo County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 12:00Z, 7.9 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
- 2527 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 706 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -45 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- -0.5
- Supercell composite
- -4.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBRO 011958 RRA SVRBRO TXC215-012100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 255 PM CDT SAT SEP 1 1990 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH TEXAS ...HIDALGO COUNTY RADAR SHOWS THE SEVERE THUNDERSTORMS IN WILLACY AND CAMERON ARE MOVING WEST... MAKING STRONG DAMAGING WINDS AND LARGE HAIL POSSIBLE IN HIDALGO COUNTY. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE T(HUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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.
In the hours before
Special weather statement, Sep 1, 1:56 PM CDT, 59 minutes before
TXZ041>044-012000- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BROWNSVILLE TX 155 PM CDT SAT SEP 01 1990 ...THUNDERSTORMS HAVE DEVELOPED RAPIDLY OVER DEEP SOUTH TEXAS DURING THE PAST HOUR... ...A SPECIAL MARINE WARNING REMAINS IN EFFECT FROM BAFFIN BAY TO THE MOUTH OF THE RIVER UNTIL 300 PM CDT... AT 130 PM CDT BROWNSVILLE WEATHER RADAR INDICATED A 15 MILE WIDE LINE OF NUMEROUS THUNDERSTORMS OVER DEEP SOUTH TEXAS FROM KINGSVILLE TO THE PORT OF BROWNSVILLE. BRIEF STRONG GUSTY WINDS...DANGEROUS LIGHTNING ... AND VERY HEAVY RAIN ARE POSSIBLE FROM THESE THUNDERSTORMS AS THEY MOVE WEST AT 10 MILES AN HOUR. THESE THUNDERSTORMS HAVE DEVELOPED RAPIDLY DURING THE PAST HOUR...SO RESIDENTS SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. MOTORISTS SHOULD ALSO USE EXTRA CAUTION SINCE HEAVY RAINS WILL RESULT IN LOW VISIBILITIES. ELSEWHERE...WIDELY SCATTERED THUNDERSTORMS...SOME WITH VERY HEAVY RAIN... CONTINUED OVER THE COASTAL WATERS OF DEEP SOUTH TEXAS AND OVER THE GULF 50 TO MORE THAN 145 MILES NORTHEAST THROUGH EAST OF BROWNSVILLE. MOVEMENT OF THESE THUNDERSTORMS WAS WEST AT 15 MILES AN HOUR.
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 2:06 PM CDT | Tornado Warning | BRO | Cameron, Willacy | 69 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990
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.