Alert archive / Texas / Tornado Warnings in 1999

Tornado Warning 5, NWS Midland/Odessa, TX

April 13, 1999Midland County, Texas

NWS Midland/Odessa, TX issued this tornado warning at Apr 13, 1999, 5:31 PM CDT for Midland County, Texas. It was in force for 29 min. 4 reports came from 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, with what was reported inside it.

The facts

Issued
Apr 13, 1999, 5:31 PM CDT (22:31 UTC)
Expired
Apr 13, 1999, 6:00 PM CDT
In force
29 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Midland County, TX

What was reported inside it

TimeReportWhereRemark
Apr 13, 5:40 PM CDTHail 1.75Midland, TX
Apr 13, 5:40 PM CDTThunderstorm Wind 70Midland, TX
Apr 13, 5:45 PM CDTTornado F1Midland, TXEyewitness account of this tornado. Although many people in the area considered all the damage to have been from a tornado, actually most of the damage was from the wind-driven hail (north of the tornado path). In the tornado path winds were more intense tha
Apr 13, 6:00 PM CDTHail 1Greenwood, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Apr 13, 4:15 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 10.5 hours before the alert went out and 16 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.

Skew-T log-pSkew-T log-p diagram, Midland Regional, TX at 12:00Z on 1999-04-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1211 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 1999-04-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 280 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1211 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
559 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
280 m²/s²
0-3 km storm-relative helicity
395 m²/s²
Significant tornado parameter
1.6
Supercell composite
6.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

999 
WFUS1 KMAF 132234 RRA
TORMAF
TXC329-132300-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MIDLAND-ODESSA TX
531 PM CDT TUE APR 13 1999

THE NATIONAL WEATHER SERVICE IN MIDLAND-ODESSA HAS ISSUED A

* TORNADO WARNING FOR...
  MIDLAND COUNTY IN TEXAS

* UNTIL 600 PM CDT

* AT 528 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A THUNDERSTORM WITH A POSSIBLE TORNADO ABOUT 9 MILES SOUTH OF 
  MIDLAND...MOVING NORTHEAST AT 30 MPH.

* THE THUNDERSTORM WITH THE POSSIBLE TORNADO IS EXPECTED TO BE 
  NEAR GREENWOOD AT 550 PM CDT

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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT TUESDAY EVENING 
FOR TEXAS.

LAT...LON 3193 10222 3177 10213 3192 10179 3209 10180

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 Midland/Odessa, TX wrote its last area forecast discussion before this tornado warning went out at Apr 13, 1:35 PM CDT, 3 hours 56 minutes earlier.

Area forecast discussion, Apr 13, 1:35 PM CDT, 3 hours 56 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND TX
135 PM CDT TUE APR 13 1999

DOING DISCUSSION A LITTLE EARLY TODAY. UPPER LEVEL LOW MOVING
EWD OVER ERN AZ/WRN NM AREA THIS HOUR...RESULTING IN FAVORABLE UPPER
LEVEL DIFLUENCE ACROSS THE MAF CWA. DRYLINE IN ERN NM BEGINNING TO
PROGRESS EWD...WITH CONVECTION BEGINNING TO DEVELOP...ALTHOUGH
SOMEWHAT SLOWLY DUE TO THE PRESENCE OF A CAP. SIGNIFICANT LOW LEVEL
MOISTURE IS IN PLACE AHEAD OF THE DRYLINE WITH AN UNSTABLE AIRMASS.
IF THE CAP MANAGES TO BREAK BEFORE THE DRYLINE ARRIVES...SHOULD SEE
SOME PRETTY SIGNIFICANT CONVECTION DEVELOP. SFC BASED CAPES 2000-2500
J/KG ACROSS PORTIONS OF THE PERMIAN BASIN AT THIS HOUR AND
INCREASING AS DAYTIME HEATING CONTINUES. IN ADDITION...LOW LEVEL SELY
FLO AHEAD OF THE DRYLINE IS RESULTING IN A FAIRLY IMPRESSIVE
HODOGRAPH. CONVECTION SHOULD CLEAR OUT OF THE MAF CWA THIS EVENING...
WITH EVERYTHING EVENTUALLY SWEEPING EWD AS THE PAC FRONT COMES
THROUGH AND A DRY SLOT ROTATES AROUND THE APPROACHING LOW. IT APPEARS
THAT THE UPPER LOW WILL TRACK INTO THE PANHANDLE BY TOMORROW MORNING.
WILL ANTICIPATE SOME WRAP AROUND CLOUDINESS OVER THE NORTHERN HALF OF
THE CWA TOMORROW...PER MODEL FORECASTS AND CURRENT SATELLITE TRENDS
INVOF LOW. SKIES SHOULD CLEAR OUT NICELY WEDNESDAY NIGHT AS THE UPPER
LOW PROGRESSES EWD.

PRELIM NUMBERS
MAF 48/70/38/72 2-00
CNM 46/65/41/73 0000
MRF 40/61/34/64 0000
P07 51/73/46/75 3000

DJK

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 12, 7:27 PM CDTSevere Thunderstorm WarningMAFBrewster63 min
Apr 12, 7:33 PM CDTSevere Thunderstorm WarningMAFLoving, Reeves, Ward62 min
Apr 12, 8:36 PM CDTSevere Thunderstorm WarningMAFBrewster49 min
Apr 12, 8:40 PM CDTFlash Flood WarningMAFBrewster110 min
Apr 12, 9:21 PM CDTSevere Thunderstorm WarningMAFCulberson, Jeff Davis64 min
Apr 12, 10:44 PM CDTSevere Thunderstorm WarningMAFJeff Davis, Reeves61 min
Apr 13, 1:04 AM CDTSevere Thunderstorm WarningMAFGaines61 min
Apr 13, 3:21 PM CDTSevere Thunderstorm WarningMAFGaines24 min
Apr 13, 3:59 PM CDTTornado WarningMAFDawson, Gaines31 min
Apr 13, 4:54 PM CDTSevere Thunderstorm WarningMAFUpton36 min
Apr 13, 5:08 PM CDTSevere Thunderstorm WarningMAFMartin, Midland37 min
Apr 13, 5:35 PM CDTSevere Thunderstorm WarningMAFBorden, Dawson30 min
Apr 13, 5:58 PM CDTTornado WarningMAFGlasscock, Howard, Martin32 min
Apr 13, 5:58 PM CDTTornado WarningMAFMidland32 min
Apr 13, 6:02 PM CDTSevere Thunderstorm WarningMAFBorden63 min
Apr 13, 6:15 PM CDTSevere Thunderstorm WarningMAFBorden, Dawson, Howard, Martin30 min
Apr 13, 6:16 PM CDTFlash Flood WarningMAFGlasscock, Midland2 hr
Apr 13, 6:16 PM CDTTornado WarningMAFReagan29 min
Apr 13, 6:30 PM CDTSevere Thunderstorm WarningMAFGlasscock, Howard45 min
Apr 13, 6:45 PM CDTTornado WarningMAFBorden, Scurry50 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.