Alert archive / Texas / Tornado Warnings in 1991
Tornado Warning 4, NWS Brownsville, TX
NWS Brownsville, TX issued this tornado warning at May 5, 1991, 2:31 AM CDT for Brooks County, Jim Hogg County, Texas. It was in force for 59 min.
The area
The counties it named.
The facts
- Issued
- May 5, 1991, 2:31 AM CDT (07:31 UTC)
- Expired
- May 5, 1991, 3:30 AM CDT
- In force
- 59 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
Counties Brooks County, TX, Jim Hogg County, TX
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 7.5 hours before the alert went out and 135 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
- 4154 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 618 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 3.6
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBRO 050732 RRA TORBRO TXC047-247-050830- BULLETIN - EBS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 231 AM CDT SUN MAY 5 1991 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A TORNADO WARNING EFFECTIVE UNTIL 330 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH TEXAS ...BROOKS COUNTY...JIM-HOGG COUNTY AT 116 AM RADAR DETECTED A POSSIBLE TORNADO 15 MILES NORTHWEST OF FALFURRIAS ON THE BROOKS COUNTY LINE. A POSSIBLE TORNADO WAS ALSO DETECTED 10 MILES TO THE SOUTHWEST OF HEBRRONVILLE IN JIM HOGG COUNTY. MOVEMENT WAS TO THE EAST AT 25 MILES AN HOUR FOR THESE TWO STORMS. IF YOU LIVE IN A HOME OR APARTMENT...SEEK SHELTER IN THE INNERMOST PORTION OF THE BUILDING ON THE LOWEST FLOOR. GET TO A BASEMENT IF ONE IS AVAILABLE. AVOID WINDOWS AND PROTECT YOUR BODY FROM FLYING DEBRIS WITH CUSHIONS...BLANKETS...OR PILLOWS.
What forecasters said that day
The local office's own words before this tornado 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, May 5, 1:47 AM CDT, 44 minutes before
TXZ041>44-050745- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE BROWNSVILLE TX 145 AM CDT SUN MAY 5 1991 ...RAPIDLY DEVELOPING THUNDERSTORMS OVER DEEP SOUTH TEXAS... AT 133 AM THUNDERSTORMS WITH VERY HEAVY RAIN WERE DEVELOPING OVER ZAPATA.. JIM HOGG.. DUVAL.. AND KLEBERG COUNTIES. PEA-SIZED HAIL WAS REPORTED BY THE SHERRIFS OFFICE IN HEBBRONVILLE. STRONG GUSTY WINDS.. VERY HEAVY RAIN.. FREQUENT LIGHTNING.. AND MORE HAIL/ CAN BE EXPECTED WITH THESE THUNDERSTORMS. MOVEMENT WAS TO THE NORTHEAST AT 40 MILES AN HOUR.
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 11:07 PM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 38 min |
| May 4, 11:32 PM CDT | Tornado Warning | BRO | Hidalgo | 28 min |
| May 5, 1:25 AM CDT | Severe Thunderstorm Warning | BRO | Jim Hogg | 65 min |
| May 5, 2:59 AM CDT | Severe Thunderstorm Warning | BRO | Starr | 61 min |
| May 5, 4:10 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo, Starr | 65 min |
| May 5, 7:59 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 61 min |
| May 5, 8:22 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo, Starr | 68 min |
| May 5, 9:28 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 62 min |
| May 5, 10:45 AM CDT | Severe Thunderstorm Warning | BRO | Hidalgo | 60 min |
Nearby
Tornado Warnings in Texas, 1991Every tornado warning in 1991Tornadoes in 1991
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.