Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 76, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Apr 1, 1990, 5:32 PM CDT for Conecuh County, Escambia County, Alabama. It was in force for 43 min. 2 reports 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
- Apr 1, 1990, 5:32 PM CDT (22:32 UTC)
- Expired
- Apr 1, 1990, 6:15 PM CDT
- In force
- 43 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Conecuh County, AL, Escambia 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 |
|---|---|---|---|
| Apr 1, 5:45 PM CDT | Thunderstorm Wind 0 | Conecuh, AL | |
| Apr 1, 6:00 PM CDT | Thunderstorm Wind 0 | Escambia, 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
Centreville/Bibb, AL (KCKL), launched 12:00Z, 10.5 hours before the alert went out and 181 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
- 667 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 840 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 20 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMOB 012233 SVRMOB ALC035-053-012315- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 532 PM CDT SUN APR 1 1990 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ALABAMA ...CONECUH COUNTY...ESCAMBIA COUNTY AT 528 PM THE MOBILE RADAR SHOWED A CLUSTER OF SEVERE THUNDERSTORMS ALONG THE CONECUH-ESCAMBIA COUNTY LINE BETWEEN EVERGREEN AND BREWTON. THE CLUSTER WAS MOVING TOWARD THE EAST SOUTHEAST AT 25 TO 30 MPH. THESE THUNDERSTORMS HAVE PRODUCED WIND DAMAGE IN THE COUNTIES TO THE NORTHWEST OF CONECUH AND ESCAMBIA. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
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
Local storm report, Apr 1, 4:43 PM CDT, 49 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 444 PM CDT SUN APR 1 1990 AT 442 PM THE GROVE HILL PD IN CLARKE COUNTY REPORTED TREES DOWN IN THAT CITY.
Local storm report, Apr 1, 5:25 PM CDT, 7 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 524 PM CDT SUN APR 1 1990 AT 520 PM...THE PD IN MONROEVILLE IN MONROE COUNTY REPORTED TREES DOWN ON THE SOUTH SIDE OF THAT CITY AND ALSO TO THE vSOUTHEAST ALONG DREWRY ROAD TOWARD DREWRY. TIME OF OCCURRENCE 510 PM.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 4:10 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 50 min |
| Apr 1, 4:18 PM CDT | Severe Thunderstorm Warning | MOB | Dallas, Wilcox | 57 min |
| Apr 1, 4:21 PM CDT | Severe Thunderstorm Warning | MOB | Coosa, Tallapoosa | 69 min |
| Apr 1, 4:54 PM CDT | Severe Thunderstorm Warning | MOB | Autauga, Lowndes | 66 min |
| Apr 1, 4:54 PM CDT | Severe Thunderstorm Warning | MOB | Monroe | 66 min |
| Apr 1, 5:21 PM CDT | Severe Thunderstorm Warning | MOB | Elmore, Montgomery | 2 hr |
| Apr 1, 5:31 PM CDT | Severe Thunderstorm Warning | MOB | Crenshaw | 59 min |
| Apr 1, 5:52 PM CDT | Severe Thunderstorm Warning | MOB | Butler, Covington | 68 min |
| Apr 1, 6:03 PM CDT | Severe Thunderstorm Warning | MOB | Bullock, Pike | 57 min |
| Apr 1, 6:25 PM CDT | Severe Thunderstorm Warning | MOB | Coffee | 65 min |
| Apr 1, 6:25 PM CDT | Severe Thunderstorm Warning | MOB | Macon | 65 min |
| Apr 1, 6:41 PM CDT | Severe Thunderstorm Warning | MOB | Barbour, Dale | 64 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.