Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 148, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Jul 18, 1990, 2:03 PM CDT for Baldwin County, Alabama. It was in force for 42 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 18, 1990, 2:03 PM CDT (19:03 UTC)
- Expired
- Jul 18, 1990, 2:45 PM CDT
- In force
- 42 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Baldwin County, AL
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 18, 2:05 PM CDT | Thunderstorm Wind 0 | Baldwin, AL |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 7.1 hours before the alert went out and 192 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
- 82 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 1188 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 181906 SVRMOB ALC003-181945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 203 PM CDT WED JUL 18 1990 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 245 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ALABAMA ...SOUTHERN BALDWIN COUNTY AT 200 PM A SEVERE THUNDERSTORM WAS LOCATED NEAR FOLEY ALABAMA. IT WAS MOVING SLOWLY TO THE WEST. 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, Jul 18, 1:41 PM CDT, 22 minutes before
ALZ016-181930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 140 PM CDT WED JUL 18 1990 ...THUNDERSTORMS FORMING OVER SOUTHERN BALDWIN COUNTY... AT 135 PM...A LINE OF THUNDERSTORMS EXTENDED FROM MOLINO FLORIDA TO NEAR BON SECUR BAY IN SOUTHERN BALDWIN COUNTY. THE LINE WAS DRIFTING TO THE WEST AT ABOUT 10 MPH. SOME SMALL HAIL HAS BEEN REPORTED WITH THESE STORMS IN FLORIDA. THE STORMS WILL BE MOVING THROUGH THE SOUTHERN HALF OFS BALDWIN COUNTY OVER THE NEXT HOUR. PEOPLE SHOULD EXPECT BRIEF HEAVY DOWNPOURS...SMALL HAIL...AND POSSIBLY SOME GUSTY WINDS AS THESE STORMS MOVE THROUGH.
Nearby
Severe Thunderstorm Warnings in Alabama, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.