Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 93, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 14, 1990, 3:50 PM CDT for Hancock County, Pearl River County, Mississippi. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Apr 14, 1990, 3:50 PM CDT (20:50 UTC)
- Expired
- Apr 14, 1990, 4:33 PM CDT
- In force
- 43 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Hancock County, MS, Pearl River County, MS
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
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.8 hours before the alert went out and 40 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
- 129 J/kg
- Mixed-layer CIN
- -40 J/kg
- Mixed-layer LCL
- 569 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 130 m²/s²
- 0-3 km storm-relative helicity
- 171 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 142054 COR SVRMOB MSC045-109-142145- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING CORRECTION NATIONAL WEATHER SERVICE MOBILE AL 350 PM CDT SAT APR 14 1990 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 445 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHEAST MISSISSIPPI ...HANCOCK COUNTY...EASTERN PEARL.RIVER COUNTY AT 345 PM MOBILE RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS IN PEARL RIVER AND HANCOCK COUNTIES OF SOUTHEAST MISSISSIPPI. THE LINE OF SEVERE THUNDERSTORMS EXTENDED FROM 10 MILES NORTH OF POPULARVILLE TO 20 MILES SOUTH OF PICAYUNE. A SEVERE THUNDERSTORM WILL BE MOVING ACROSS POPULARVILLE DURING THE NEXT 30 MINUTES. MOVEMENT OF THE STORMS WAS TO THE NORTHEAST AT 25 MILES AN HOUR. THE PEARL RIVER SHERIFFS OFFICE REPORTED TREES DOWN IN THE CROSSROADS VICINITY BEFORE 333 PM REPORTED BY THE PUBLIC. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 14, 3:08 PM CDT, 42 minutes before
ALC097-129-MSC039-041-045-047-059-109-111-131-142215- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 308 PM CDT SAT APR 14 1990 AT 315 PM CDT MOBILE RADAR SHOWED THE LEADING EDGE OF A LINE OF SHOWERS AND ISOLATED THUNDERSTORMS MOVING INTO SOUTHEAST MISSISSIPPI FROM LOUISIANA. THE STRONGEST STORMS WILL BE MOVING INTO HANCOCK AND PEARL RIVER COUNTIES WITHIN THE NEXT 30 MINUTES. THE STORMS WILL BE TRACKING NORTHEAST ACROSS COASTAL MISSISSIPPI. THE LINE WILL BE MOVING ACROSS SOUTHEAST MISSISSIPPI FOR THE NEXT COUPLE HOURS REACHING SOUTHWEST ALABAMA BETWEEN 6 AND 7 THIS EVENING. RESIDENTS SHOULD REMAIN ALERT FOR CHANGING WEATHER CONDITIONS AS THIS STORM SYSTEM MOVES ACROSS MIScSISSIPPI THEN EAST INTO ALABAMA.
Nearby
Severe Thunderstorm Warnings in Mississippi, 1990Every severe thunderstorm warning in 1990
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.