Alert archive / Alabama / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 28, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Feb 10, 1990, 6:46 AM CST for Mobile County, Alabama. It was in force for 44 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
- Feb 10, 1990, 6:46 AM CST (12:46 UTC)
- Expired
- Feb 10, 1990, 7:30 AM CST
- In force
- 44 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 10, 6:55 AM CST | Thunderstorm Wind 0 | Mobile, 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, 0.8 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
- 1 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 557 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- -15 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 101247 SVRMOB ALC097-101330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 646 AM CST SAT FEB 10 1990 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 730 AM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTHWEST ALABAMA ...MOBILE COUNTY AT 645 AM WEATHER SERVICE RADARS INDICATED A SEVERE THUNDERSTORM LOCATED 5 MILES SOUTHWEST OF THE MOBILE AIRPORT MOVING TOWARD THE NORTHEAST AT 25 MPH. 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 BUT7 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, Feb 10, 4:43 AM CST, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 430 AM CST SAT FEB 10 1990 ...A SEVERE THUNDERSTORM WARNING IS IN EFFECT UNTIL 445 AM CST FOR NORTH ESCAMBIA AND SANTA ROSA COUNTIES OF FLORIDA... ...A TORNADO WATCH IS IN EFFECT UNTIL 10 AM CST FOR NORTHWEST FLORIDA... AT 430 AM CST...A FEW INTENSE THUNDERSTORMS WERE OVER EXTREME NORTH ESCAMBIA COUNTY OF FLORIDA AND WERE MOVING TOWARDS NORTH SANTA ROSA COUNTY. THEY WERE PART OF A SOLID LINE OF THUNDERSTORMS EXTENDING FROM MOBILE NORTHEAST ACROSS BREWTON ALABAMA AND MOVING RAPIDLY EAST AND SOUTHEAST. STRONG GUST WINDS...FREQUENT LIGHTNING...HEAVY RAIN AND POSSIBLY HAIL CAN BE EXPECTED IN AND NEAR THESE THUNDE`RSTORMS. A GENERALLY SOLID AREA OF RAIN TRAILED BEHIND THIS LINE OF THUNDERSTORMS FOR SOME 75 TO 100 MILES.
Local storm report, Feb 10, 5:30 AM CST, 1 hour 16 minutes before
ATTN SELS STORM REPORT NATIONAL WEATHER SERVICE MOBILE AL 530 AM CST SAT FEB 10 1990 UPDATE ON REPORTED TORNADO NEAR FLOMATON AL...ESCAMBIA COUNTY... AT 412 AM... COUNTY EMA DIRECTOR SURVEYED THE AREA AND REPORTED A BARN UNROOFED AND SEVERAL TREES BLOWN DOWN JUST NORTH OF FLOMATON. DAMAGE WAS CAUSED BY STRAIGHT LINE WINDS.
Special weather statement, Feb 10, 5:30 AM CST, 1 hour 16 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 530 AM CST SAT FEB 10 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 10 AM CST FOR NORTHWEST FLORIDA... AT 530 AM CST...A FEW STRONG THUNDERSTORMS WERE OVER CENTRAL AND NORTH ESCAMBIA AND OVER THE NORTH PORTIONS OF SANTA ROSA AND WALTON COUNTIES OF FLORIDA. OTHER THUNDERSTORMS WERE SCATTERED OVER SOUTH ALABAMA... THE SOUTHEAST CORNER OF MISSISSIPPI AND THE ADJACENT COASTAL WATERS. A GENERALLY SOLID AREA OF RAIN TRAILED BEHIND THESE THUNDERSTORMS FOR SOME 75 TO 100 MILES.
Special weather statement, Feb 10, 6:19 AM CST, 27 minutes before
ALZ013-015-016-MSZ013-014-100800- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 620 AM CST SAT FEB 10 1990 ...A TORNADO WATCH REMAINS IN EFFECT FOR MOBILE...BALDWIN...CONECUH AND ESCAMBIA COUNTIES OF ALABAMA UNTIL 1000 AM... AT 615 AM THE MOBILE RADAR SHOWED A BAND OF RAIN AND THUNDERSTORMS ACROSS SOUTHWEST ALABAMA AND THE COASTAL COUNTIES OF SOUTHEAST MISSISSIPPI. THEY WERE MOVING NORTHEAST AT 25 MPH. SOME OF THE THUNDERSTORMS ALONG THE MISSISSIPPI COAST ARE QUITE STRONG AND MAY PRODUCE GUSTY WINDS AND POSSIBLY SOME HAIL. DANGEROUS LIGHTNING WILL OCCUR ALSO. MODERATE TO HEAVY RAIN WILL CONTINUE FOR A FEW MORE HOURS. STREETS AND ROADS ALONG THE COASTAL AREAS OF MISSISSIPPI AND ALABAMA MAY BE COVERED WITH WATER AND STREAMS APPROACH BANKFULL. MOTORISTS SHOULD DRIVE WITH CARE.
Special weather statement, Feb 10, 6:20 AM CST, 26 minutes before
ALZ013-015-016-MSZ013-014-101400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 620 AM CST SAT FEB 10 1990 ...A TORNADO WATCH REMAINS IN EFFECT FOR MOBILE...BALDWIN...CONECUH AND ESCAMBIA COUNTIES OF ALABAMA UNTIL 1000 AM... AT 615 AM THE MOBILE RADAR SHOWED A BAND OF RAIN AND THUNDERSTORMS ACROSS SOUTHWEST ALABAMA AND THE COASTAL COUNTIES OF SOUTHEAST MISSISSIPPI. THEY WERE MOVING NORTHEAST AT 25 MPH. SOME OF THE THUNDERSTORMS ALONG THE MISSISSIPPI COAST ARE QUITE STRONG AND MAY PRODUCE GUSTY WINDS AND POSSIBLY SOME HAIL. DANGEROUS LIGHTNING WILL OCCUR ALSO. MODERATE TO HEAVY RAIN WILL CONTINUE FOR A FEW MORE HOURS. STREETS AND ROADS ALONG THE COASTAL AREAS OF MISSISSIPPI AND ALABAMA MAY BE COVERED WITH WATER AND STREAMS APPROACH BANKFULL. MOTORISTS SHOULD DRIVE WITH CARE.
Special weather statement, Feb 10, 6:32 AM CST, 14 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 630 AM CST SAT FEB 10 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 10 AM CST FOR NORTHWEST FLORIDA... AT 630 AM CST...A FEW STRONG THUNDERSTORMS WERE OVER ESCAMBIA AND SANTA ROSA COUNTIES AND OVER NORTH OKALOOSA COUNTY OF FLORIDA. OTHER THUNDER- STORMS WERE SCATTERED OVER SOUTH ALABAMA...THE SOUTHEAST CORNER OF MISSISSIPPI AND THE ADJACENT COASTAL WATERS. A GENERALLY# SOLID AREA OF RAIN TRAILED BEHIND THESE THUNDERSTORMS FOR ABOUT 75 MILES.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 10, 1:27 AM CST | Severe Thunderstorm Warning | MOB | Coffee, Dale | 48 min |
| Feb 10, 1:47 AM CST | Severe Thunderstorm Warning | MOB | Washington | 58 min |
| Feb 10, 2:07 AM CST | Severe Thunderstorm Warning | MOB | Clarke | 68 min |
| Feb 10, 2:15 AM CST | Severe Thunderstorm Warning | MOB | Dallas, Wilcox | 60 min |
| Feb 10, 2:44 AM CST | Severe Thunderstorm Warning | MOB | Mobile, Washington | 46 min |
| Feb 10, 2:53 AM CST | Severe Thunderstorm Warning | MOB | Autauga, Lowndes | 67 min |
| Feb 10, 3:05 AM CST | Severe Thunderstorm Warning | MOB | Coosa, Elmore | 55 min |
| Feb 10, 3:05 AM CST | Severe Thunderstorm Warning | MOB | Montgomery | 55 min |
| Feb 10, 3:05 AM CST | Severe Thunderstorm Warning | MOB | Butler | 55 min |
| Feb 10, 3:20 AM CST | Tornado Warning | MOB | Montgomery | 25 min |
| Feb 10, 3:27 AM CST | Severe Thunderstorm Warning | MOB | Mobile | 63 min |
| Feb 10, 3:27 AM CST | Severe Thunderstorm Warning | MOB | Baldwin | 63 min |
| Feb 10, 3:31 AM CST | Severe Thunderstorm Warning | MOB | Macon, Tallapoosa | 59 min |
| Feb 10, 3:49 AM CST | Severe Thunderstorm Warning | MOB | Chambers, Lee | 56 min |
| Feb 10, 3:49 AM CST | Severe Thunderstorm Warning | MOB | Crenshaw | 56 min |
| Feb 10, 3:49 AM CST | Severe Thunderstorm Warning | MOB | Bullock | 56 min |
| Feb 10, 3:55 AM CST | Severe Thunderstorm Warning | MOB | Conecuh, Escambia | 50 min |
| Feb 10, 4:11 AM CST | Severe Thunderstorm Warning | MOB | Butler, Covington | 64 min |
| Feb 10, 4:53 AM CST | Severe Thunderstorm Warning | MOB | Barbour | 67 min |
| Feb 10, 5:08 AM CST | Severe Thunderstorm Warning | MOB | Coffee, Dale, Geneva | 67 min |
| Feb 10, 8:07 AM CST | Severe Thunderstorm Warning | MOB | Baldwin | 38 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.