Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 59, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 16, 1990, 6:14 AM CST for Conecuh County, Alabama. It was in force for 61 min.
The area
The counties it named.
The facts
- Issued
- Mar 16, 1990, 6:14 AM CST (12:14 UTC)
- Expired
- Mar 16, 1990, 7:15 AM CST
- In force
- 61 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Conecuh 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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 0.2 hours before the alert went out and 165 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
- 599 m above ground
- 0-6 km bulk shear
- 83 kt
- 0-1 km storm-relative helicity
- 110 m²/s²
- 0-3 km storm-relative helicity
- 52 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 161216 SVRMOB ALC035-161315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 614 AM CST FRI MAR 16 1990 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 715 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ALABAMA ...CONECUH COUNTY AT 615 AM A SEVERE THUNDERSTORM WAS LOCATED WEST OF CASTLEBERRY NEAR I-65. IT WAS MOVING NORTHEAST AT 20 MPH AND WILL BE MOVING INTO THE EVERGREEN AREA IN THE NEXT 30 TO 45 MINUTES. 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, Mar 16, 4:34 AM CST, 1 hour 40 minutes before
FLZ001>004-160630- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 435 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 430 AM CST...A BAND OF THUNDERSTORMS STRETCHED FROM SOUTH CENTRAL ALABAMA TO MOBILE BAY AND OUT OVER THE GULF TO THE MOUTH OF THE MISSISSIPPI RIVER. THE BAND OF STORMS WAS DRIFTING TO THE EAST AT NEAR 5 MILES AN HOUR. LARGE PATCHES OF LIGHT RAIN SURROUNDED THE THUNDERSTORMS AND WERE OVER SOUTHEAST MISSISSIPPeI...SOUTH ALABAMA...AND THE WESTERN FLORIDA PANHANDLE. MOVEMENT WAS TO THE NORTHEAST AT 35 MILES AN HOUR.
Special weather statement, Mar 16, 5:35 AM CST, 39 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.
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, 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, 10:57 AM CST | Severe Thunderstorm Warning | MOB | Mobile | 33 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.