Alert archive / Texas / Tornado Warnings in 1999
Tornado Warning 2, NWS Brownsville, TX
NWS Brownsville, TX issued this tornado warning at Mar 27, 1999, 10:50 PM CST for Hidalgo County, Texas. It was in force for 35 min. No storm report in the archive falls 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.
The facts
- Issued
- Mar 27, 1999, 10:50 PM CST (04:50 UTC)
- Expired
- Mar 27, 1999, 11:25 PM CST
- In force
- 35 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Hidalgo County, TX
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 00:00Z, 4.8 hours before the alert went out and 116 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
- 1929 J/kg
- Mixed-layer CIN
- -124 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 105 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.3
The text
As transmitted, in the capitals the NWS used until 2016.
999 WFUS1 KBRO 280452 RRA TORBRO TXC215-280525- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 1050 PM CST SAT MAR 27 1999 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * TORNADO WARNING FOR... NORTHERN HIDALGO COUNTY IN TEXAS * UNTIL 1125 PM CST * AT 1048 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH A POSSIBLE TORNADO OVER NORTHWESTERN HIDALGO COUNTY...ABOUT 21 MILES NORTH OF ALTON...OR ABOUT 9 MILES NORTH OF MCCOOK MOVING EAST AT 20 MPH. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 2663 9842 2647 9841 2649 9801 2678 9804
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 27, 6:02 PM CST | Severe Thunderstorm Warning | BRO | Zapata | 28 min |
| Mar 27, 6:38 PM CST | Severe Thunderstorm Warning | BRO | Hidalgo, Starr | 37 min |
| Mar 27, 7:17 PM CST | Severe Thunderstorm Warning | BRO | Hidalgo, Starr | 43 min |
| Mar 27, 8:04 PM CST | Severe Thunderstorm Warning | BRO | Hidalgo | 41 min |
| Mar 27, 8:18 PM CST | Severe Thunderstorm Warning | BRO | Starr, Zapata | 42 min |
| Mar 27, 8:28 PM CST | Tornado Warning | BRO | Hidalgo | 32 min |
| Mar 27, 8:33 PM CST | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo, Kenedy, Willacy | 57 min |
| Mar 27, 9:04 PM CST | Severe Thunderstorm Warning | BRO | Jim Hogg, Starr, Zapata | 56 min |
| Mar 27, 9:54 PM CST | Flash Flood Warning | BRO | Jim Hogg, Starr | 4 hr |
| Mar 27, 10:00 PM CST | Severe Thunderstorm Warning | BRO | Jim Hogg, Starr | 60 min |
| Mar 27, 10:34 PM CST | Severe Thunderstorm Warning | BRO | Brooks, Hidalgo, Kenedy, Starr | 56 min |
| Mar 27, 11:22 PM CST | Tornado Warning | BRO | Hidalgo | 23 min |
| Mar 27, 11:28 PM CST | Severe Thunderstorm Warning | BRO | Cameron, Hidalgo, Kenedy, Willacy | 62 min |
Nearby
Tornado Warnings in Texas, 1999Every tornado warning in 1999Tornadoes in 1999
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.