Alert archive / Alabama / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 61, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 6, 1991, 4:38 AM CDT for Baldwin County, Alabama. It was in force for 52 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
- May 6, 1991, 4:38 AM CDT (09:38 UTC)
- Expired
- May 6, 1991, 5:30 AM CDT
- In force
- 52 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Baldwin County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 6, 5:25 AM CDT | Hail 1 | Baldwin, 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 00:00Z, 9.6 hours before the alert went out and 192 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
- 1927 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 884 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, May 5, 11:02 PM CDT, 5 hours 36 minutes before
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</html>Special weather statement, May 5, 11:42 PM CDT, 4 hours 56 minutes before
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</html>Special weather statement, May 6, 2:24 AM CDT, 2 hours 14 minutes before
ALZ013-015-MSZ014-060830- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 223 AM CDT MON MAY 6 1991 ...A SEVERE THUNDERTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA... COUNTIES INCLUDED IN THE WATCH IN SOUTHEAST MISSISSIPPI ARE...PERRY AND GREENE. IN SOUTHWEST ALABAMA THE FOLLOWING COUNTIES ARE INCLUDED: WASHINGTON...CLARKE...MONROE...CONECUH AND ESCAMBIA. AT 220 AM THE MOBILE RADAR INDICATED A LINE OF STRONG THUNDERSTORMS FROM EAST OF LAUREL MISSISSIPPI TO WEST OF NEW ORLEANS. THE LINE WAS MOVING TOWARD THE EAST NORTHEAST AT 25 MPH. RESIDENTS IN THE WATCH AREA SHOULD REMAIN ALERT FOR THE POSSIBILITY OF SEVERE WEATHER. STRONG DAMAGING WINDS AND LARGE HAIL ARE POSSIBLE FOR THE NEXT SEVERAL HOURS.
Special weather statement, May 6, 3:27 AM CDT, 1 hour 11 minutes before
ALZ013-016-MSZ013-060930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 325 AM CDT MON MAY 6 1991 ...SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PORTIONS OF SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA... THE MOBILE RADAR AT 320 AM INDICATED THAT THE LINE OF THUNDERSTORMS ACROSS SOUTHEAST MISSISSIPPI TO NEAR NEW ORLEANS HAD WEAKENED. HOWEVER...NEW THUNDERSTORMS WERE DEVELOPING TO THE EAST OF THE LINE OVER JACKSON AND GEORGE COUNTIES OF MISSISSIPPI AND WASHINGTON...MOBILE AND BALDWIN COUNTIES IN ALABAMA. FOR THE NEXT TWO HOURS THESE COUNTIES CAN EXPECT STRONG GUSTY WINDS... DANGEROUS LIGHTNING...HEAVY DOWNPOURS...AND POSSIBLY SOME HAIL AS THE THUNDERSTORMS CONTINUES AND MOVE EAST AT 30 MPH.
Special weather statement, May 6, 4:34 AM CDT, 4 minutes before
FLZ001-002-003-004-MSZALL-LAZALL-ALZALL-061030- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE PENSACOLA FL 435 AM CDT MON MAY 6 1991 ...STRONG THUNDERSTORMS WERE MOVING INTO THE WEST PART OF THE FLORIDA PANHANDLE... STRONG THUNDERSTORMS WERE OVER THE WEST PART OF THE FLORIDA PANHANDLE ...SOUTHWEST ALABAMA...AND THE ADJOINING COASTAL WATERS. THE STRONGER THUNDERSTORMS WERE MOVING INTO THE COASTAL AREAS OF ESCAMBIA COUNTY...AROUND THE PENSACOLA NAVAL AIR STATION AND WEST OF PENSACOLA...AND IN ALABAMA BETWEEN BAYOU LA BATRE AND MOBILE...AND AROUND AND EAST OF CITRONELLE. THE THUNDESTORMS WERE MOVING EAST-NORTHEAST 30 MILES AN HOUR. THE THUNDERSTORMS ARE CAPABLE OF PRODUCING PERIODS OF HEAVY DOWNPOURS ...FREQUENT LIGHTNING...GUSTY WINDS AROUND 40 MILES AN HOUR...AND POSSIBLE SMALL HAIL. PERSONS SHOULD TAKE ANY NECESSARY PRECAUTIONS FOR THESE CONDITIONS.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 5, 7:10 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 65 min |
| May 6, 5:20 AM CDT | Severe Thunderstorm Warning | MOB | Conecuh, Escambia | 40 min |
| May 6, 5:42 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 63 min |
| May 6, 6:47 AM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 58 min |
Nearby
Severe Thunderstorm Warnings in Alabama, 1991Every severe thunderstorm warning in 1991
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.