Alert archive / Texas / Tornado Warnings in 1999
Tornado Warning 8, NWS Brownsville, TX
NWS Brownsville, TX issued this tornado warning at Aug 23, 1999, 3:34 PM CDT for Kenedy County, Texas. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 23, 1999, 3:34 PM CDT (20:34 UTC)
- Expired
- Aug 23, 1999, 4:15 PM CDT
- In force
- 41 min
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Kenedy County, TX
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 23, 2:00 AM CDT | Tornado Watch | SPC | 14 hr |
The nearest sounding before it
Brownsville Intl, TX (KBRO), launched 12:00Z, 8.6 hours before the alert went out and 117 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
- 1033 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 1044 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
881 WFUS1 KBRO 232037 RRA TORBRO TXC261-232115- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 334 PM CDT MON AUG 23 1999 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * TORNADO WARNING FOR... SOUTHERN KENEDY COUNTY IN TEXAS * UNTIL 415 PM CDT * AT 333 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH A POSSIBLE TORNADO OVER EXTREME SOUTH CENTRAL KENEDY COUNTY...OR ABOUT 13 MILES NORTH OF RAYMONDVILLE...MOVING NORTHEAST AT 20 MPH. YTURRIA RANCH IS IN THE PATH OF THIS STORM. 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.
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.
NWS Brownsville, TX wrote its last area forecast discussion before this tornado warning went out at Aug 23, 2:45 PM CDT, 49 minutes earlier.
Area forecast discussion, Aug 23, 2:45 PM CDT, 49 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 245 PM CDT MON AUG 23 1999 THE REMNANTS OF BRET IS MOVING NORTH OF LAREDO CAUSING SOME SHOWERS AND THUNDERSTORMS NEAR THE WATERSHED. JUST A FEW ISOLATED SHOWERS DOTTED DEEP SOUTH TEXAS TODAY...THEREFORE WILL END THE FLASH FLOOD WATCH LATER THIS AFTERNOON. THE REMNANTS OF BRET IS PROGGED TO CONT TO MOVE WEST-NORTHWEST AND DISSIPATE WITHIN THE NEXT 48 HOURS. WILL DECREASE POPS RAPIDLY IN THE NEXT FEW DAYS AS BOUNDARY LAYER RHS ARE BELOW 50 PERCENT WITHIN THE NEXT 36 HOURS. TEMPERATURES WILL INCREASE AS CLOUD COVER WILL DECREASE AND WILL MAKE ADJUSTMENTS ACCORDINGLY. WINDS WILL BE FAIRLY LIGHT FROM THE SOUTHEAST FOR THE NEXT FEW DAYS AS THE INFLUENCE OF BRET WILL NOT BE EFFECTING THE AREA. ALL MODELS SEEM TO BE IN AGREEMENT IN DECREASING MOISTURE VERY RAPIDLY IN THE NEXT FEW DAYS. CWF...BOY020 IS FROM THE EAST AT 6 KNOTS WITH SEAS GOING DOWN TO 4 FEET. THIS SHOULD CONT FOR THE NEXT FEW DAYS CAUSING WINDS TO BE BELOW SMALL CRAFT ADVISORY. LONG TERM PROGS...THE AIRMASS CONT TO BE DRY AND STABLE FOR THE EXTENDED PERIOD...ALTHOUGH A TROUGH OF LOW PRESSURE SETTLES OVER THE WESTERN GULF. DO NOT EXPECT ANY SHOWER ACTIVITY FOR THE NEXT FEW DAYS AS HIGH PRESSURE RIDGES IN FROM NEW MEXICO. 55 .BRO...NONE. .BRO 077/092/077/094/077 10/00/00/00 .MFE 075/094/076/098/076 10/00/00/00 .RGD 075/098/075/105/075 10/00/00/00 .SPI 078/088/080/090/080 10/00/00/00
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 7:20 PM CDT | Flash Flood Warning | BRO | Kenedy, Willacy | 3 hr |
| Aug 22, 10:15 PM CDT | Flash Flood Warning | BRO | Brooks, Kenedy | 6 hr |
| Aug 23, 4:18 AM CDT | Flash Flood Warning | BRO | Brooks, Kenedy | 8 hr |
| Aug 23, 4:18 AM CDT | Flash Flood Warning | BRO | Willacy | 8 hr |
| Aug 23, 11:59 AM CDT | Flash Flood Warning | BRO | Cameron | 4 hr |
| Aug 23, 2:59 PM CDT | Tornado Warning | BRO | Kenedy, Willacy | 31 min |
| Aug 23, 3:18 PM CDT | Tornado Warning | BRO | Cameron, Hidalgo | 27 min |
| Aug 23, 3:44 PM CDT | Tornado Warning | BRO | Cameron, Hidalgo, Willacy | 61 min |
| Aug 23, 4:27 PM CDT | Tornado Warning | BRO | Willacy | 63 min |
| Aug 23, 6:55 PM CDT | Flash Flood Warning | BRO | Hidalgo | 3 hr |
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.