Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 192, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Dec 18, 1990, 3:10 PM CST for Baldwin County, Alabama. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Dec 18, 1990, 3:10 PM CST (21:10 UTC)
- Expired
- Dec 18, 1990, 4:15 PM CST
- In force
- 65 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.
The nearest sounding before it
Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 9.2 hours before the alert went out and 121 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
- 136 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 548 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 165 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 182111 SVRMOB ALC003-182215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING NATIONAL WEATHER SERVICE MOBILE AL 310 PM CST TUE DEC 18 1990 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM AND SPECIAL MARINE WARNING EFFECTIVE UNTIL 415 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ALABAMA ...BALDWIN COUNTY AT 305 PM CST RADAR SHOWED A LINE OF SEVERE THUNDERSTORMS FROM 15 MILES NORTHEAST OF BAY MINETTE ALABAMA SOUTHWEST ALONG THE WESTERN SHORE OF MOBILE BAY INTO THE ALABAMA COASTAL WATERS. THUNDERSTORMS IN THIS LINE ARE MOVING TO THE NORTHEAST AT NEAR 40 MPH...WHILE THE LINE MOVES TO THE SOUTHEAST AT 25 MPH. 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, Dec 18, 11:23 AM CST, 3 hours 47 minutes before
MSZ014-013-181900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1120 AM CST TUE DEC 18 1990 ...COLD FRONT WITH STRONG GUSTY WIND APPROACHING SOUTHEAST MISSISSIPPI... AT 1115 AM CST RADAR SHOWED A LINE OF RAINSHOWERS FROM EAST OF MERIDIAN TO LAUREL MISSISSIPPI TO JUST WEST OF NEW ORLEANS. THIS LINE IS ASSOCIATED WITH A COLD FRONT THAT IS MOVING TO THE SOUTHEAST AT NEAR 25 MPH. STRONG GUSTY WINDS HAVE BEEN REPORTED WITH THIS FRONT. MERIDIAM MISSISSIPPI RECORDED WIND GUSTS TO 68 MPH WITH THIS FRONTAL PASSAGE. PERSONS IN SOUTHEAST MISSISSIPPI SHOULD BE ALERT FOR POSSIBLE DAMAGING WINDS DURING THE NEXT FEW HOURS AS THIS FRONT MOVES THROUGH.
Special weather statement, Dec 18, 1:46 PM CST, 1 hour 24 minutes before
ALZ013-015-016MSZ014-013-182030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 145 PM CST TUE DEC 18 1990 ...COLD FRONT WITH STRONG GUSTY WINDS MOVING INTO EXTREME SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA... AT 130 PM CST RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS FROM NEAR THOMASVILLE ALABAMA TO CITRONELLE TO BILOXI MISSISSIPPI AND SOUTHWEST INTO THE LOUISIANA COASTAL AREA. THIS LINE IS LOCATED NEAR A COLD FRONT MOVING TO THE SOUTHEAST AT 25 MPH. STRONG GUSTY WINDS HAVE BEEN REPORTED WITH THIS FRONT. PERSONS EAST OF THE FRONT SHOULD BE ALERT FOR SHIFTING STRONG GUSTY WINDS AS THE FRONT PASSES. CURRENT MOVEMENT WILL BRING THE FRONT TO A MONROEVILLE TO MOBILE ALABAMA LINE WITHIN 2 HOURS. MARINE INTEREST IN THE MISSISSIPPI COASTAL WATERS CAN EXPECT STRONG GUSTY WINDS AND ROUGH SEAS WITH THIS SYSTEM AS IT MOVES THROUGH.
Special weather statement, Dec 18, 1:47 PM CST, 1 hour 23 minutes before
ALZ013-015-016MSZ014-013-182145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 145 PM CST TUE DEC 18 1990 ...COLD FRONT WITH STRONG GUSTY WINDS MOVING INTO EXTREME SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA... AT 140 PM CST RADAR SHOWED A LINE OF SHOWERS AND THUNDERSTORMS FROM NEAR THOMASVILLE ALABAMA TO CITRONELLE TO BILOXI MISSISSIPPI AND SOUTHWEST INTO THE LOUISIANA COASTAL AREA. THIS LINE IS LOCATED NEAR A COLD FRONT MOVING TO THE SOUTHEAST AT 25 MPH. STRONG GUSTY WINDS HAVE BEEN REPORTED WITH THIS FRONT. PERSONS EAST OF THE FRONT SHOULD BE ALERT FOR SHIFTING STRONG GUSTY WINDS AS THE FRONT PASSES. CURRENT MOVEMENT WILL BRING THE FRONT TO A MONROEVILLE TO MOBILE ALABAMA LINE WITHIN 2 HOURS. MARINE INTEREST IN THE MISSISSIPPI COASTAL WATERS CAN EXPECT STRONG GUSTY WINDS AND ROUGH SEAS WITH THIS SYSTEM AS IT MOVES THROUGH.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 18, 2:28 PM CST | Severe Thunderstorm Warning | MOB | Mobile | 62 min |
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; the sounding from the Mesonet's radiosonde archive.