Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 61, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 16, 1990, 10:57 AM CST for Mobile County, Alabama. It was in force for 33 min.
The area
The counties it named.
The facts
- Issued
- Mar 16, 1990, 10:57 AM CST (16:57 UTC)
- Expired
- Mar 16, 1990, 11:30 AM CST
- In force
- 33 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Mobile 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 5.0 hours before the alert went out and 152 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 642 m above ground
- 0-6 km bulk shear
- 67 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 161659 SVRMOB ALC097-161730- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 1057 AM CST FRI MAR 16 1990 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1130 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ALABAMA ...MOBILE COUNTY AT 1055 AM THE MOBILE RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTH OF THE MOBILE AIRPORT MOVING TOWARD THE NORTHEAST AT 60 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, Mar 16, 5:35 AM CST, 5 hours 22 minutes before
FLZ001>004-160630- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 535 AM CST FRI MAR 16 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 1000 AM FOR ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...AND HOLMES COUNTIES OF FLORIDA... ...A FLASH FLOOD WATCH IS IN EFFECT FOR ESCAMBIA...SANTA ROSA... OKALOOSA AND WALTON COUNTIES OF FLORIDA TODAY AND TONIGHT... AT 530 AM CST...A BAND OF SLOW-MOVING THUNDERSTORMS STRETCHED FROM ESCAMBIA COUNTY ALABAMA SOUTHWESTWARD ACROSS NORTHERN ESCAMBIA COUNTY FLORIDA AND BALDWIN COUNTY ALABAMA OUT OVER THE GULF TO THE MOUTH OF THE MISSISSIPPI RIVER. VERY HEAVY RAINFALL IS BEING PRODUCED OVER THE AREAS MENTIONED. SCATTERED THUNDERSTORMS AND WIDESPREAD LIGHT RAIN WERE OVER SOUTH ALABAMA...THE NORTHERN PORTIONS OF THE WESTERN FLORIDA PANHANDLE...AND THE GULF SOUTH OF MISSISSIPPI AND ALABAMA. MOVEMENT WAS TO THE NORTHEAST AT 35 MILES AN HOUR.
Special weather statement, Mar 16, 6:33 AM CST, 4 hours 24 minutes before
FLZ001>004-161830- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 635 AM CST FRI MAR 16 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 1000 AM FOR ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...AND HOLMES COUNTIES OF FLORIDA... ...A FLASH FLOOD WATCH IS IN EFFECT FOR ESCAMBIA...SANTA ROSA... OKALOOSA AND WALTON COUNTIES OF FLORIDA TODAY AND TONIGHT... AT 630 AM CST...A BAND OF SLOW-MOVING THUNDERSTORMS STRETCHED FROM ESCAMBIA COUNTY ALABAMA SOUTHWESTWARD ACROSS NORTHERN SANTA ROSA AND CENTRAL ESCAMBIA COUNTY FLORIDA TO GULF SHORES AND OUT OVER THE GULF TO THE OUTH OF THE MISSISSIPPI RIVER. VERY HEAVY RAINFALL IS BEING PRODUCED OVER AREAS MENTIONED. SCATTERED. THUNDERSTORMS AND WIDESPREAD LIGHT RAIN WERE OVER SOUTH ALABAMA...THE NORTHERN PORTIONS OF THE WESTERN FLORIDA PANHANDLE...AND THE GULF SOUTH OF MISSISSIPPI AND ALABAMA. . . MOVEMENT WAS TO THE NORTHEAST AT 35 MILES AN HOUR.
Special weather statement, Mar 16, 7:38 AM CST, 3 hours 19 minutes before
FLZ001>004-161830- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 735 AM CST FRI MAR 16 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 1000 AM FOR ESCAMBIA...SANTA ROSA...OKALOOSA...WALTON...AND HOLMES COUNTIES OF FLORIDA... ...A FLASH FLOOD WATCH IS IN EFFECT FOR ESCAMBIA...SANTA ROSA... OKALOOSA AND WALTON COUNTIES OF FLORIDA TODAY AND TONIGHT... AT 730 AM CST...A BAND OF SLOW-MOVING THUNDERSTORMS STRETCHED FROM ESCAMBIA COUNTY ALABAMA SOUTHWESTWARD ACROSS NORTHERN SANTA ROSA AND CENTRAL ESCAMBIA COUNTY FLORIDA TO GULF SHORES AND OUT OVER THE GULF TO THE MOUTH OF THE MISSISSIPPI RIVER. VERY HEAVY RAINFALL IS BEING PRODUCED OVER THE AREAS MENTIONED. SOME OF THE THUNDERSTORMS...THOUGH NOT SEVERE...CAN PRODUCE STRONG GUSTY WINDS SUFFICIENT ENOUGH TO BLOW TREE LIMBS DOWN OR FLATTEN WIDE SIGNS. . WIDESPREAD LIGHT RAIN AND THUNDERSTORMS WERE OVER SOUTH ALABAMA... SOUTHEAST MISSISSIPPI...THE WESTERN TIJP OF THE FLORIDA PANHANDLE... AND THE GULF ADJACENT TO THESE AREAS. MOVEMENT WAS TO THE NORTHEAST AT 35 MILES AN HOUR.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 2:56 AM CST | Flash Flood Warning | MOB | Mobile | 3 hr |
| Mar 16, 3:35 AM CST | Flash Flood Warning | MOB | Autauga, Elmore, Montgomery | 115 min |
| Mar 16, 3:35 AM CST | Flash Flood Warning | MOB | Dallas, Lowndes | 115 min |
| Mar 16, 4:03 AM CST | Flash Flood Warning | MOB | Coosa | 117 min |
| Mar 16, 4:03 AM CST | Flash Flood Warning | MOB | Wilcox | 117 min |
| Mar 16, 5:37 AM CST | Flash Flood Warning | MOB | Autauga, Lowndes, Montgomery | 2 hr |
| Mar 16, 5:37 AM CST | Flash Flood Warning | MOB | Dallas | 2 hr |
| Mar 16, 5:37 AM CST | Flash Flood Warning | MOB | Coosa | 2 hr |
| Mar 16, 6:07 AM CST | Flash Flood Warning | MOB | Mobile | 3 hr |
| Mar 16, 6:14 AM CST | Severe Thunderstorm Warning | MOB | Conecuh | 61 min |
| Mar 16, 7:38 AM CST | Flash Flood Warning | MOB | Coosa, Elmore, Tallapoosa | 2 hr |
| Mar 16, 7:38 AM CST | Flash Flood Warning | MOB | Autauga, Lowndes, Montgomery | 2 hr |
| Mar 16, 7:38 AM CST | Flash Flood Warning | MOB | Dallas | 2 hr |
| Mar 16, 8:39 AM CST | Flash Flood Warning | MOB | Covington | 2 hr |
| Mar 16, 8:39 AM CST | Flash Flood Warning | MOB | Pike | 2 hr |
| Mar 16, 8:49 AM CST | Flash Flood Warning | MOB | Bullock | 116 min |
| Mar 16, 9:15 AM CST | Flash Flood Warning | MOB | Baldwin, Mobile | 3 hr |
| Mar 16, 10:46 AM CST | Flash Flood Warning | MOB | Washington | 3 hr |
| Mar 16, 10:48 AM CST | Flash Flood Warning | MOB | Covington, Crenshaw, Pike | 117 min |
| Mar 16, 11:40 AM CST | Flash Flood Warning | MOB | Crenshaw | 2 hr |
| Mar 16, 12:13 PM CST | Flash Flood Warning | MOB | Baldwin | 6 hr |
| Mar 16, 12:13 PM CST | Flash Flood Warning | MOB | Mobile | 5 hr |
| Mar 16, 12:50 PM CST | Flash Flood Warning | MOB | Conecuh, Escambia, Monroe | 4 hr |
| Mar 16, 12:50 PM CST | Flash Flood Warning | MOB | Clarke, Washington | 4 hr |
| Mar 16, 1:12 PM CST | Flash Flood Warning | MOB | Autauga, Dallas, Elmore, Lowndes, Montgomery | 3 hr |
| Mar 16, 1:12 PM CST | Flash Flood Warning | MOB | Butler | 3 hr |
| Mar 16, 2:52 PM CST | Severe Thunderstorm Warning | MOB | Bullock, Pike | 68 min |
| Mar 16, 3:17 PM CST | Severe Thunderstorm Warning | MOB | Lee, Macon | 58 min |
| Mar 16, 3:27 PM CST | Flash Flood Warning | MOB | Bullock, Pike | 2 hr |
| Mar 16, 3:27 PM CST | Flash Flood Warning | MOB | Macon | 2 hr |
| Mar 16, 3:35 PM CST | Severe Thunderstorm Warning | MOB | Barbour | 55 min |
| Mar 16, 4:27 PM CST | Severe Thunderstorm Warning | MOB | Coffee | 63 min |
| Mar 16, 4:59 PM CST | Flash Flood Warning | MOB | Barbour, Pike | 2 hr |
| Mar 16, 4:59 PM CST | Flash Flood Warning | MOB | Coffee, Covington | 2 hr |
| Mar 16, 5:11 PM CST | Flash Flood Warning | MOB | Chambers, Lee, Tallapoosa | 2 hr |
| Mar 16, 5:46 PM CST | Severe Thunderstorm Warning | MOB | Barbour | 59 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.