Alert archive / Texas / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 113, NWS Shreveport, LA

July 2, 1987Bowie County, Cass County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Jul 2, 1987, 12:10 PM CDT for Bowie County, Cass County, Texas. It was in force for 80 min.

The area

The counties it named.

The facts

Issued
Jul 2, 1987, 12:10 PM CDT (17:10 UTC)
Expired
Jul 2, 1987, 1:30 PM CDT
In force
80 min
Issued by
NWS Shreveport, LA
Area
Whole counties

Counties Bowie County, TX, Cass County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Longview/Gregg, TX (KGGG), launched 12:00Z, 5.2 hours before the alert went out and 103 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, Longview/Gregg, TX at 12:00Z on 1987-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2400 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, Longview/Gregg, TX at 12:00Z on 1987-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
2400 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
624 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
65 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.6

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.

In the hours before

Special weather statement, Jul 2, 10:28 AM CDT, 1 hour 42 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1025 AM CDT THU JUL 2 1987

BAND OF SHOWERS AND HEAVY THUNDERSTORMS CONTINUE TO SPREAD EAST INTO
EXTREME SOUTHEAST OKLAHOMA...WHILE CONTINUING EAST AND SOUTHEAST
THROUGH THE RED RIVER VALLEY OF NORTHCENTRAL TEXAS.

AT 1025 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS
SHOWING THE BAND FROM NORTHWEST OF SMITHVILLE OKLAHOMA TO NEAR HUGO
OKLAHOMA..ACROSS THE RED RIVER..WESTWARD TO NORTH OF THE DALLAS AND
FORTH WORTH AREA OF NORTHCENTRAL TEXAS.

THE STORMS OVER EXTREME SOUTHEAST OKLAHOMA WERE PRODUCING HEAVY RAIN-
FALL AND STRONG GUSTY WINDS.

THE SYSTEM WILL CONTINUE TO SPREAD EAST AND SOUTHEAST THIS MORNING.

NEW STORM DEVELOPMENT WILL OCCUR ACROSS THE ARKLATEX AHEAD OF THIS
SYSTEM THIS AFTERNOON. A FEW STRONG STRORMS ARE EXPECTED...MAINLY
THE NORTHWEST AND SOUTHEAST SECTIONS.
Special weather statement, Jul 2, 11:21 AM CDT, 49 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1120 AM CDT THU JUL 2 1987

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF NORTHEAST TEXAS
THROUGH LATE THIS AFTERNOON.

BAND OF NUMEROUS SHOWERS AND SCATTERED STRONG THUNDERSTORMS CONTINUE
TO SPREAD EAST SOUTHEAST ACROSS SOUTHEAST OKLAHOMA AND NORTHCENTRAL
TEXAS INTO NORTHEAST TEXAS AND WEST CENTRAL ARKANSAS.

HEAVY RAINFALL AND GUSTY WINDS OF 30 TO 45 MPH REPORTED IN SOUTHEAST
OKLAHOMA WITH THE SYSTEM...HIGHER WIND GOSTS ACROSS THE WESTERN PART
OF NORTHEAST TEXAS.

STORMS WILL INCREASE WITHIN THE BAND THIS AFTERNOON WITH NEW DEVELOP-
MENT SOUTH AND EAST OF THE ONGING SYSTEM. LOCALLY HEAVY AND POSSIBLY
SEVERE STORMS WILL SPREAD SOUTHEAST ACROSS THE NORTHWEST HALF OF THE
ARKLATEX THIS AFTERNOON WITH NEW STORMS DEVELOPING OVER THE SOUTHEAST
SECTIONS BY MID AFTERNOON.

AT 1120 AM CDT THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
THE LEADING EDGE OF THE BAND OF THUNDERSTORMS FROM NORTH OF MENA IN
WEST CENTRAL ARKANSAS TO BROKEN BOW AND IDABEL OKLAHOMA TO THE PARIS
TEXAS AREA TO NEAR GREENVILLE TEXAS...THROUGH THE DALLAS AND FORT WORTH
AREAS.

THE SYSTEM WAS MOVING EAST SOUTHEAST) AT 20 TO 30 MPH.

Nearby

Severe Thunderstorm Warnings in Texas, 1987Every severe thunderstorm warning in 1987

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.