Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 134, NWS Midland/Odessa, TX

September 27, 1998Brewster County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Sep 27, 1998, 4:57 PM CDT for Brewster County, Texas. It was in force for 63 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
Sep 27, 1998, 4:57 PM CDT (21:57 UTC)
Expired
Sep 27, 1998, 6:00 PM CDT
In force
63 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Brewster County, TX

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 10.0 hours before the alert went out and 238 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, Del Rio, TX at 12:00Z on 1998-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1277 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, Del Rio, TX at 12:00Z on 1998-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -32 square meters per square second.1939Sfc1 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
1277 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
584 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-32 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

861 
WUUS1 KMAF 272158 RRA
SVRMAF
TXC043-272300-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
457 PM CDT SUN SEP 27 1998

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN BREWSTER COUNTY IN WESTERN TEXAS

* UNTIL 600 PM CDT

* AT 453 PM CDT... MIDLAND DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM IN THE VICINITY OF MARATHON... LITTLE MOVEMENT
  IS INDICATED.

THIS STORM IS EXPECTED TO REMAIN IN MARATHON AREA.

THIS IS A DANGEROUS STORM WIND GUSTS IN EXCESS OF 60 MPH ARE
POSSIBLE. STAY INDOORS AWAY FROM WINDOWS.

72

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.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 27, 3:00 PM CDT, 1 hour 57 minutes earlier.

Area forecast discussion, Sep 27, 3:00 PM CDT, 1 hour 57 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND TX
259 PM CDT (159 PM MDT) SUN SEP 27 1998

MIGHT AS WELL CUT-N-PASTE YESTERDAYS FCST...AS TODAYS LOOKS TO BE
PERSISTENCE-DRIVEN YET AGAIN.  ONLY MESOSCALE FEATURE OF NOTE IS
SHARPLY-DEFINED DRYLINE EXTENDING FM E OF KEPZ N THRU KBGD AND UP
ALONG THE CO/KS BORDER.  MID LVL MSTR...AS NOTED ON SATELLITE VIS
IMAGERY...STILL EXISTS ALONG THE E SIDE OF THE DRYLINE...AND AS THE
DRYLINE MAKES ITS DIURNAL TREK E...THIS COULD FIRE OFF SOME TS LATER
THIS AFTN/EVE.  MEANWHILE...CONVECTIVE ACTIVITY JUST BEGINNING TO
FIRE OFF OF THE TRANS PECOS AREA AS PREVIOUSLY EXPECTED...BUT NOT AS
VIGOROUSLY AS YEST ATTM.

SYNOPTICALLY...LITTLE HAS CHANGED IN THE PREVIOUS 24 HRS.  SATELLITE
WV IMAGERY SHOWS UPPER LVL CUT-OFF LOW STILL HANGING TUFF OVER THE
INNER CA ELBOW.  THIS IS PROGGED TO MIGRATE TO THE SOUTHERN CA/NV
BORDER BY 48 HRS.  ON THE E SIDE...GEORGES CONTINUES TO STRENGTHEN
AND CURRENTLY LOOKS TO MAKE LANDFALL AROUND PILOTTOWN IN PLAQUEMINES
PARISH ON THE MS DELTA.  TO THE S...UPPER LVL VORT MAX OVER THE RIO
GRANDE PLAIN CONTINUES TO ERODE AND IS STILL PROGGED TO DIE ON THE
COASTAL BEND.

BOTTOM LINE IS A LONG WV RIDGE SETTING UP OVER THE ENTIRE S CENTRAL/
SE US BY THE END OF THE FCST PD FOR CONTINUED WARM AND DRY
CONDITIONS.  MRF INDICATES BETTER SHOT AT CHANGE IN THE EXTENDED AS
CUT-OFF LOW MEANDERS EWD...BUT EVEN THIS IS NOT REAL IMPRESSIVE ATTM.
TEMPS CONTINUE ON THE HIGH SIDE...UP TO 9 DEG F ABOVE GUIDANCE...SO
WL CONTINUE TO ADJUST FOR THOSE.  JD

MAF 68/93 -/0
CNM 63/98 -/-
MRF 60/87 0/0
P07 67/94 0/0

Nearby

Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm warning in 1998

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.