Alert archive / Texas / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 113, NWS Shreveport, LA
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.
- 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
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.