Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 5, NWS Brownsville, TX
NWS Brownsville, TX issued this severe thunderstorm warning at Apr 26, 1990, 2:01 PM CDT for Cameron County, Texas. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- Apr 26, 1990, 2:01 PM CDT (19:01 UTC)
- Expired
- Apr 26, 1990, 3:00 PM CDT
- In force
- 59 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Cameron 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, 7.0 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
- 1631 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 650 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBRO 261903 SVRBRO TXC061-262000- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 201 PM CDT THU APR 26 1990 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 300 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH TEXAS ...CAMERON COUNTY AT 200 PM CDT...BROWSNVILLE WEATHER RADAR SHOWED A THUNDERSTORM ABOUT 15 MILES WEST SOUTHWEST OF SAN BENITO. THIS THUNDERSTORM WILL PRODUCE VERY HEAVY RAIN...STRONG GUSTY WINDS...FREQUENT DANGEROUS LIGHTNING...AND HAIL AS IT MOVES EAST AT 25 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 DON'T 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.
In the hours before
Special weather statement, Apr 26, 8:50 AM CDT, 5 hours 11 minutes before
TXZ041-042-261500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BROWNSVILLE TX 850 AM CDT THU APR 26 1990 AT 850 AM...RADAR INDICATED A THUNDERSTORM OVER NORTH JIM HOGG COUNTY NEAR HEBBRONVILLE MOVING EAST SOUTHEAST ABOUT 20 MPH. IT COULD CAUSE STRONG WIND IN HIM HOGG AND BROOKS COUNTIES WITHIN THE HOUR. IF WIND STARTS TO INCREASE...IT MAY BE WISE TO QUICKLY SEEK SHELTER. THE STORM WAS PART OF A LINE OF SHOWERS AND THUNDERSTORMS EXTENDING FROM NEAR FALCON LAKE NORTHEAST TO NEAR SAN ANTONIO.
Special weather statement, Apr 26, 9:53 AM CDT, 4 hours 8 minutes before
TXZ041-042-043-261600- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BROWNSVILLE TX 950 AM CDT THU APR 26 1990 AT 950 AM...RADAR INDICATED A THUNDERSTORM IN CENTRAL JIM HOGG COUNTY CAPABLE OF CAUSING STRONG WIND. IF THE WIND START TO PICK UP... IT MIGHT WISE TO QUICKLY SEEK SHELTER. THE STORM WAS PART OF A LINE OF SHOWERS AND THUNDERSTORMS THAT EXTENDED FROM JUST WEST OF RIO GRANDE CITY TO THE NORTHEAST THROUGH JIM HOGG COUNTY INTO THE HILL COUNTRY. GUSTY WIND AND BRIEF HEAVY RAIN ACCOMPANIED ONE OF THE STORMS THROUGH HEBBRONVILLE IN NORTH JIM HOGG COUNTY A SHORT TIME AGO BUT NO DAMAGE WAS REPORTED. HOWEVER...IF DAMAGE DOES OCCUR...ASK THE NEAREST LAW ENFORCEMENT gAGENCY TO CONTACT THE NATIONAL WEATHER SERVICE IN BROWNSVILLE.
Special weather statement, Apr 26, 10:56 AM CDT, 3 hours 5 minutes before
TXZ041>044-261700- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BROWNSVILLE TX 1055 AM CDT THU APR 26 1990 AT 1050 AM...RADAR INDICATED A THUNDERSTORM OVER BROOKS COUNTY CAPABLE OF CAUSING STRONG WIND. THE STORM BEARS WATCH. IF THE WIND STARTS TO PICK UP...QUICKLY SEEK SHELTER. THE STORM WAS MOVING EAST SOUTHEAST ABOUT 25 MPH. THE STORM WAS PART OF A LINE OF SHOWERS AND THUNDERSTORMS EXTENDING ACROSS MUCH OF THE VALLEY FROM NEAR RIO GRANDE CITY IN STARR COUNTY NORTHEAST THRU BROOKS COUNTY ON INTO SOUTH TEXAS EAST OF SAN ANTONIO. ANOTHER AREA OF SHOWERS HAD DEVELOPED OVER HIDALGO AND KENEDY COUNTIES AND IS CAPABLE OF QUICKLY MATURING. MARINE INTERESTS OFFSHORE KEN EDY COUNTY SHOULD KEEP A SHARP WEATHER EYE TO THE WEST IN CASE THE SHOWERS DEVELOP INTO THUNDERSTORMS. IF THAT HAPPEN...WINDS MIGHT INCREASE QUICKLY AND WATERS BECOME ROUGH.
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 1:01 PM CDT | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo, Willacy | 59 min |
| Apr 26, 3:02 PM CDT | Severe Thunderstorm Warning | BRO | Cameron | 58 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.