Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 83, NWS Midland/Odessa, TX

June 12, 1998Terrell County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Jun 12, 1998, 7:09 PM CDT for Terrell County, Texas. It was in force for 46 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Jun 12, 1998, 7:09 PM CDT (00:09 UTC)
Expired: Jun 12, 1998, 7:55 PM CDT
In force: 46 min
Issued by: NWS Midland/Odessa, TX
Area: Whole counties

County Terrell County, TX

The radar

The Midland/Odessa radar (KMAF), 191 km from the middle of the area, began a volume at 00:08 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Jun 12, 7:14 PM CDT	Thunderstorm Wind	Sanderson, TX	Thunderstorm winds destroyed a large barn on a ranch north of Sanderson.

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 nearest sounding before it

Del Rio, TX (KDRT), launched 00:00Z, 0.2 hours before the alert went out and 153 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3475 J/kg
Mixed-layer CIN: -19 J/kg
Mixed-layer LCL: 1721 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 7 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 130009 RRA
SVRMAF
TXC443-130055-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
709 PM CDT FRI JUN 12 1998

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN TERRELL COUNTY IN WESTERN TEXAS

* UNTIL 755 PM CDT

* AT 708 PM CDT... MIDLAND DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 6 MILES NORTH OF SANDERSON MOVING EAST AT 15 MPH.

* SOME LOCATIONS 2IN THE PATH OF THIS STORM ARE... SANDERSON.

DAMAGING WINDS AND HEAVY RAIN ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

TJT

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 Jun 12, 1:58 PM CDT, 5 hours 11 minutes earlier.

Area forecast discussion, Jun 12, 1:58 PM CDT, 5 hours 11 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND TX
158 PM CDT FRI JUN 12 1998

18Z SFC ANALYSIS SHOWS WEAK COOL FRONT JUST N OF KLBB WITH TROUGH
OVER CENTRAL FA.  DEWPOINTS REMAIN IN THE 50S AND 60S WITH CUMULUS
FIELD OVER MUCH OF THE AREA (SEE LATEST VISIBLE LOOP)...ESPECIALLY
MOUTAINS WHERE CONVECTION ALREADY FIRING.  ATTM...VERY LITTLE CONV
ALONG AFOREMENTIONED TROUGH...EXCEPT OVER BIG COUNTRY.  KMAF 88D VWP
INDICATING LIGHT WLY WINDS FROM NEAR THE SFC TO ABOUT 8K FT MSL WITH
WINDS INCREASING OUT OF THE SW THEREAFTER.

MODELS IN GOOD AGREEMENT IN LIFTING H5 LOW OVER SRN CA NEWD TO THE
CENTRAL PLAINS BY 14/00Z (ETA MAY BE TOO WEAK).  CLOSER TO HOME...
SW-WLY FLOW ALOFT WILL CONTINUE AS H5 RIDGE DOMINATES THE WRN GULF OF
MEXICO.  WV LOOP INDICATES A POSSIBLE VORT MAX MOVING TOWARDS
EXTREME WRN TX WHICH MAY HAVE BEEN MISSED/UNDERESTIMATED BY THE
MODELS (SOME CONVECTION EARLIER OVER BAHA PENINSULA).  STORMS ALREADY
BEGINNING TO DEVELOP OVER W TX MOUNTAINS AND ALONG PORTIONS OF
SFC TROUGH AIDED BY DAYTIME HEATING AND 850-500 QVEC CONV.  WITH SWLY
STEERING CURRENTS...CONVECTION SHOULD MOVE NE ABOUT 10-15 MPH.
GIVEN MOVEMENT AND PW AMOUNTS (KMAF 1.07 INCHES 12Z THIS MORNING)
BELIEVE GREATEST THREAT ASSOCIATED WITH THIS ACTIVITY WILL BE THE
POTENTIAL FOR HEAVY RAINFALL WITH ISOLATED PULSE SEVERE POSSIBLE.
EXPECT WEAK VORT MAXES TO CONTINUE MOVING THROUGH THE FLOW ALOFT
PROVIDING AFTN/EVENING TSRA MAINLY OVER THE MOUNTAINS THROUGH FP.

AS FOR TEMPERATURES...WILL STICK CLOSE TO GUIDANCE WITH A TOUCH OF
PERSISTENCE.

MAF  70/97  21
CNM  68/100 21
MRF  63/89  42
P07  74/92  42

EARLE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 8:01 PM CDT	Flash Flood Warning	MAF	Terrell	3 hr
Jun 12, 9:23 PM CDT	Flash Flood Warning	MAF	Pecos	97 min
Jun 12, 10:53 PM CDT	Flash Flood Warning	MAF	Pecos, Terrell	2 hr
Jun 13, 3:07 PM CDT	Severe Thunderstorm Warning	MAF	Pecos	48 min
Jun 13, 3:53 PM CDT	Severe Thunderstorm Warning	MAF	Pecos	47 min
Jun 13, 4:15 PM CDT	Severe Thunderstorm Warning	MAF	Upton	45 min
Jun 13, 4:38 PM CDT	Severe Thunderstorm Warning	MAF	Pecos	32 min
Jun 13, 4:58 PM CDT	Severe Thunderstorm Warning	MAF	Reagan, Upton	47 min
Jun 13, 6:02 PM CDT	Severe Thunderstorm Warning	MAF	Brewster	48 min
Jun 13, 6:22 PM CDT	Severe Thunderstorm Warning	MAF	Martin, Midland	48 min
Jun 13, 6:45 PM CDT	Severe Thunderstorm Warning	MAF	Pecos	50 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998 Every 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.