Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 151, NWS San Angelo, TX

June 10, 1998Coleman County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at Jun 10, 1998, 11:29 PM CDT for Coleman County, Texas. It was in force for 61 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
Jun 10, 1998, 11:29 PM CDT (04:29 UTC)
Expired
Jun 11, 1998, 12:30 AM CDT
In force
61 min
Issued by
NWS San Angelo, TX
Area
Whole counties

County Coleman County, TX

The watch it was issued in

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

IssuedProductOfficeLasted
Jun 10, 10:30 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 4.5 hours before the alert went out and 260 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 00:00Z on 1998-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 531 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 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 00:00Z on 1998-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -30 square meters per square second.1939587897Sfc1 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
531 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
2364 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-30 m²/s²
0-3 km storm-relative helicity
-25 m²/s²
Significant tornado parameter
0.0
Supercell composite
-1.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 10, 8:43 PM CDT, 2 hours 46 minutes earlier.

Area forecast discussion, Jun 10, 8:43 PM CDT, 2 hours 46 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
843 PM CDT WED JUN 10 1998

LINE OF SHOWERS AND STORMS MOVING INTO THE WESTERN SECTIONS OF THE
AREA AT ABOUT 30 KNOTS...WITH A HINT OF A BOW LIKELY TO MOVE
INTO THE WESTERN CONCHO VALLEY WITHIN THE NEXT HALF HOUR. THUS...NOT
MUCH TIME TO TALK. WITH AREA WIND PROFILES ALREADY SHOWING THE
LOW LEVEL JET INCREASING TO 50 KNOTS AND ABUNDANT DEEP MOISTURE...
STORMS SHOULD HAVE NO PROBLEM MOVING THROUGH THE AREA. HAVE 50 TO 60
PERCENT POPS GOING ACROSS THE AREA...AND A MENTION OF SEVERE AND
HEAVY RAIN. FORECASTS LOOK GOOD FOR NOW.

07

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 10, 9:32 PM CDTSevere Thunderstorm WarningSJTFisher, Mitchell, Nolan63 min
Jun 10, 10:13 PM CDTSevere Thunderstorm WarningSJTSchleicher62 min
Jun 10, 10:18 PM CDTSevere Thunderstorm WarningSJTJones62 min
Jun 10, 10:26 PM CDTSevere Thunderstorm WarningSJTIrion, Tom Green64 min
Jun 10, 10:45 PM CDTTornado WarningSJTJones50 min
Jun 10, 10:48 PM CDTSevere Thunderstorm WarningSJTRunnels62 min
Jun 10, 10:56 PM CDTSevere Thunderstorm WarningSJTConcho64 min
Jun 10, 11:26 PM CDTSevere Thunderstorm WarningSJTShackelford64 min
Jun 11, 12:20 AM CDTSevere Thunderstorm WarningSJTBrown65 min

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.