Alert archive / Oklahoma / Severe Thunderstorm Warnings in 1988
Severe Thunderstorm Warning 21, NWS Shreveport, LA
NWS Shreveport, LA issued this severe thunderstorm warning at Apr 1, 1988, 2:44 PM CST for McCurtain County, Oklahoma. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Apr 1, 1988, 2:44 PM CST (20:44 UTC)
- Expired
- Apr 1, 1988, 3:45 PM CST
- In force
- 61 min
- Issued by
- NWS Shreveport, LA
- Area
- Whole counties
County McCurtain County, OK
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, 8.7 hours before the alert went out and 197 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
- 49 J/kg
- Mixed-layer CIN
- -181 J/kg
- Mixed-layer LCL
- 794 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 240 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KSHV 012045
SVRSHV
OKC089-012145-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
244 PM CST FRI APR 1 1988
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 345 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST OKLAHOMA
...MCCURTAIN
AT 242 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED
A SEVERE THUNDERSTORM DEVELOPING 10 MILES WEST SOUTHWEST OF IDABEL
OKLAHOMA. THE STORM WAS MOVING NORTH NORTHEAST AT 40 MPH.
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.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, Apr 1, 1:21 PM CST, 1 hour 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 115 PM CST FRI APR 1 1988 THUNDERSTORMS DEVELOPING RAPIDLY OVER THE WESTERN SECTIONS OF NORTH- EAST TEXAS...SQUALL LINE EXPECTED TO FORM AND SPREAD EAST LATER. STRONG AND POSSIBLE SEVERE STORMS WILL DEVELOP AND AFFECT NORTHEAST TEXAS AND SOUTHEAST OKLAHOMA BY MID AFTERNOON AND EASTWARD ACROSS THE REMAINDER OF THE ARKLATEX TONIGHT. AT 115 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT SHOWED SCATTERED VERY HEAVY THUNDERSTORMS DEVELOPING FROM 40 MILES NORTHWEST OF IDABEL OKLAHOMA TO NEAR HUGO ACROSS THE RED RIVER TO NEAR SULPHUR SPRINGS TEXAS TO SOUTHWEST OF TYLER TO SOUTHWEST OF PALESTINE TEXAS. INITIALLY THESE cSTORMS WILL MOVE NORTH NORTHEAST..HOWEVER AN OLD SYSTEM OVER NORTHCENTRAL TEXAS WAS MOVING EASTWARD AND AFTER MID AFTERNOON AN OVERALL EASTWARD SHIFT ON THE NORTHEAST TEXAS STORMS WILL TAKE PLACE.
Special weather statement, Apr 1, 2:33 PM CST, 11 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SHREVEPORT LA 230 PM CST FRI APR 1 1988 TORNADO WATCH IN EFFECT FOR ALL OF NORTHEAST TEXAS...SOUTHEAST OKLAHOMA...AND MUCH OF SOUTHWEST ARKANSAS. ISOLATED STRONG THUNDERSTORMS CONTINUE TO DEVELOP OVER EASTERN OKLAHOMA ..SOUTHWARD ACROSS THE WESTERN SECTIONS OF NORTHEAST TEXAS. A SQUALL LINE IS EXPECTED TO DEVELOP WITH ISOLATED STRONG STORMS DEVELOPING AHEAD OF THE SYSTEM THIS AFTERNOON AND TONIGHT. A FEW OF THESE STORMS WILL REACH SEVERE INTENSITY AND RESIDENTS OF THE AREA SHOULD KEEP POSTED ON THE LATEST BULLETINS ISSUED BY AREA WEATHER OFFICES. AT 230 PM CST THE NATIONAL WEATHER SERVICE RADAR IN SHREVEPORT WAS SHOWING STRONG THUNDERSTORMS MOVING RAPIDLY NORTH NORTHEAST SOUTHWEST OF BATTIEST OKLAHOMA...SOUTHWEST OF IDABEL OKLAHOMA..BETWEEN LONGVIEW TEXAS AND JEFFERSON AND FROM SOUTHWEST OF TYLER TO NORTHEAST OF COLLEGE STATION. . THE STRONG STORMS APPOACHING IDABELL OKLAHOMA FROM THE SOUTHWEST ARE INCREASING AT 2:30 PM AND MAY REACH SEVERE INTENSITY IN THE NEXT HOUR. INITIALLY THESE STORMS WILL MOVE NORTH NORTHEAST..HOWEVER AN OLD SYSTEM OVER NORTHEAST TEXAS WAS MOVING SLOWLY EAST AND BY LATE AFTERNOON THE STORMS OVER THE WESTERN SECTIONS OF NORTHEAST TEXAS WILL FORM INTO A LINE AND A EASTWRD MOVEMENT OF THE NEW SYSTEM WILL TAKE PLACE. THE STORM SYSTEM WILL SPREAD FROM WEST TO EAST ACROSS THE ARKLATEX TONIGHT WITH A FEW SEVERE STORMS..ALSO VERY HEAVY RAINFALL IN A SHORT PERIOD OF TIME MAY RESULT IN LOCALIZED FLOODING.
Nearby
Severe Thunderstorm Warnings in Oklahoma, 1988Every severe thunderstorm warning in 1988
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.