Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 55, NWS San Angelo, TX

May 8, 1998Coleman County, Texas

NWS San Angelo, TX issued this severe thunderstorm warning at May 8, 1998, 9:07 PM CDT for Coleman County, Texas. It was in force for 48 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: May 8, 1998, 9:07 PM CDT (02:07 UTC)
Expired: May 8, 1998, 9:55 PM CDT
In force: 48 min
Issued by: NWS San Angelo, TX
Area: Whole counties

County Coleman County, TX

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.1 hours before the alert went out and 235 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2549 m above ground
0-6 km bulk shear: 86 kt
0-1 km storm-relative helicity: 193 m²/s²
0-3 km storm-relative helicity: 576 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 May 8, 9:01 PM CDT, 6 minutes earlier.

Area forecast discussion, May 8, 9:01 PM CDT, 6 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SAN ANGELO TX
901 PM CDT FRI MAY 8 1998

THE EASTERN HALF OF OUR COUNTY WARNING AREA IS NOW UNDER TORNADO
WATCHES WITH MORE STORMS DEVELOPING JUST EAST OF THE DRYLINE WHICH
WAS LOCATED IN A NORTHWEST TO SOUTHEAST ORIENTATION AND JUST
SOUTHEAST OF SAN ANGELO. SURFACE LOW WAS CENTERED OVER THE WESTERN
BIG COUNTRY WHILE THE UPPER LEVEL LOW APPROACHES NORTHWEST TEXAS. DEW
POINTS OVER SJT AND WEST OF DRYLINE WERE IN THE 20S WHILE EAST OF THE
DRYLINE THE DEW POINTS HAVE CLIMBED INTO THE UPPER 60S AND LOWER 70S.
DESPITE THE LOSS OF SOLAR HEATING...INSTABILITY AND BOUNDARY
INTERACTIONS WILL ALLOW FOR DEVELOPMENT OF THUNDERSTORMS TO CONTINUE
IN THE MOIST AIR MASS FOR THE NEXT FEW HOURS.

WIND ADVISORY WILL BE LOWERED TO LAKE CAUTIONS FOR THE EASTERN
BIG COUNTRY AND HEARTLAND...WHILE LAKE WIND CAUTIONS FOR THE CONCHO
VALLEY WILL BE DROPPED.

10

In the hours before

Local storm report, May 8, 8:40 PM CDT, 27 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
840 PM CDT FRI MAY 8 1998

TIME(CDT)  .....CITY LOCATION.....   STATE...EVENT/REMARKS...
           ....COUNTY LOCATION....
0548 PM    4 W RULE                  TX   TORNADO
05/08/98   HASKELL                        ELECTRIC SUBSTATION
                                          DAMAGED. UTILITY POLES
                                          DOWN.

0550 PM    SAGERTON                  TX   0.88 INCH HAIL.
05/08/98   HASKELL

0604 PM    HASKELL                   TX   2.75 INCH HAIL.
05/08/98   HASKELL                        GOLFBALL TO BASEBALL SIZE
                                          HAIL.

0640 PM    THROCKMORTON              TX   2.75 INCH HAIL.
05/08/98   THROCKMORTON

0758 PM    1 E WOODSON               TX   1.75 INCH HAIL.
05/08/98   THROCKMORTON

0805 PM    WALL                      TX   0.75 INCH HAIL.
05/08/98   TOM GREEN

Local storm report, May 8, 8:40 PM CDT, 27 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SAN ANGELO TX
840 PM CDT FRI MAY 8 1998

TIME(CDT)  .....CITY LOCATION.....   STATE...EVENT/REMARKS...
           ....COUNTY LOCATION....
0548 PM    4 W RULE                  TX   TORNADO
05/08/98   HASKELL                        ELECTRIC SUBSTATION
                                          DAMAGED. UTILITY POLES
                                          DOWN.

0550 PM    SAGERTON                  TX   0.88 INCH HAIL.
05/08/98   HASKELL

0604 PM    HASKELL                   TX   2.75 INCH HAIL.
05/08/98   HASKELL                        GOLFBALL TO BASEBALL SIZE
                                          HAIL.

0640 PM    THROCKMORTON              TX   2.75 INCH HAIL.
05/08/98   THROCKMORTON

0758 PM    1 E WOODSON               TX   1.75 INCH HAIL.
05/08/98   THROCKMORTON

0805 PM    WALL                      TX   0.75 INCH HAIL.
05/08/98   TOM GREEN

The office that day

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

Issued	Product	Office	Counties	Lasted
May 8, 7:03 PM CDT	Severe Thunderstorm Warning	SJT	Haskell	47 min
May 8, 7:24 PM CDT	Severe Thunderstorm Warning	SJT	Throckmorton	61 min
May 8, 7:31 PM CDT	Tornado Warning	SJT	Throckmorton	64 min
May 8, 8:11 PM CDT	Severe Thunderstorm Warning	SJT	Tom Green	49 min
May 8, 8:15 PM CDT	Severe Thunderstorm Warning	SJT	Concho	45 min
May 8, 8:36 PM CDT	Severe Thunderstorm Warning	SJT	Concho	49 min
May 8, 8:54 PM CDT	Severe Thunderstorm Warning	SJT	Shackelford, Throckmorton	36 min
May 8, 8:57 PM CDT	Tornado Warning	SJT	Concho	33 min
May 8, 9:09 PM CDT	Tornado Warning	SJT	McCulloch	36 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; the sounding from the Mesonet's radiosonde archive.