Alert archive / Alabama / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 71, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 14, 1991, 6:48 PM CDT for Montgomery County, Alabama. It was in force for 57 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 14, 1991, 6:48 PM CDT (23:48 UTC)
- Expired
- May 14, 1991, 7:45 PM CDT
- In force
- 57 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Montgomery County, AL
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 14, 6:57 PM CDT | Thunderstorm Wind 0 | Montgomery, 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, 11.8 hours before the alert went out and 120 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
- 806 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 839 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -34 m²/s²
- 0-3 km storm-relative helicity
- -9 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 KMGM 142351 SVRMGM ALC101-150045- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MONTGOMERY AL 648 PM CDT TUE MAY 14 1991 THE NATIONAL WEATHER SERVICE IN MONTGOMERY HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 745 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH ALABAMA ...MONTGOMERY COUNTY AT 649 PM CDT RADAR SHOWED A CLUSTER OF SEVERE THUNDERSTORMS MOVING INTO NORTHERN SECTIONS OF THE CITY OF MONTGOMERY. MOVEMENT WAS SOUTH AT 20 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, May 14, 2:16 PM CDT, 4 hours 32 minutes before
FLZ001-002-003-004-142100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PENSACOLA FL 200 PM CDT TUE MAY 14 1991 THE FIRST FIVE MONTHS OF 1991 HAVE BEEN THE WETTEST FOR THE PENSACOLA AREA. FROM JANUARY 1 THROUGH MAY 13 WE HAVE RECORDED 41.77 INCHES OF RAINFALL AT THE PENSACOLA REGIONAL AIRPORT. THIS IS 20.74 INCHES ABOVE NORMAL FOR THIS TIME PERIOD AND WE STILL HAVE MORE THAN 2 WEEKS LEFT IN MAY. THE PREVIOUS RECORDS FOR RAINFALL FOR THE PERIOD JANUARY THROUGH MAY 40.45 INCHES IN 1964 38.40 INCHES IN 1947 37.64 INCHES IN 1936 37.62 INCHES IN 1919 THIS YEARS EXCESSIVE TOTAL RAINFALL WAS TREMENDOUSLY BOOSTED BY JANUARYS RECORD RAINFALL OF 18.77 INCHES. FEBRUARY WAS BELOW NORMAL AND MARCH, APRIL AND MAY WERE ABOVE NORMAL FOR RAINFALL. DOES THIS MEAN WE CAN EXPECT ABOVE NORMAL RAINFALL FOR THE REST OF THE YEAR? OF THE JANUARY THROUGH MAY YEARS MENTIONED ABOVE, ONLY 1936 WAS BELOW NORMAL IN RAINFALL FOR THE REMAINDER OF THE YEAR. (JUNE THROUGH DECEMBER) THE OTHER THREE ENDED UP WETTER THAN NORMAL AND IN 1947 THE TOTAL RAINFALL FOR THE YEAR WAS 90.32 INCHES WHICH IS THE SECOND fHIGHEST YEARLY RAINFALL TOTAL. THE GREATEST RAINFALL IN A YEAR OCCURRED IN 1953 WHEN 90.41 INCHES OF RAINFALL FELL. DOES THIS FORETELL AN ACTIVE HURRICANE SEASON FOR NORTHWEST FLORIDA? ASK US IN NOVEMBER.
Special weather statement, May 14, 3:39 PM CDT, 3 hours 9 minutes before
FLZ001-002-003-004-142130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PENSACOLA FL 335 PM CDT TUE MAY 14 1991 WEATHER SERVICE RADAR SHOWS THUNDERSTORMS DEVELOPING ACROSS NORTHWEST FLORIDA IN OKALOOSA, WALTON, HOLMES, WASHINGTON AND BAY COUNTIES FROM NORTH OF CRESTVIEW TO WEST OF MARIANNA THEN SOUTH TO NEAR NICEVILLE TO NORTH OF PANAMA CITY. THE HEAVIEST THUNDERSTORMS WERE IN WALTON AND OKALOOSA COUNTIES FROM NEAR DE FUNIAK SPRINGS TO SOUTHEAST OF CRESTVIEW. LITTLE MOVEMENT OF THE STORMS WAS NOTED. SMALL HAIL...GUSTY WINDS...DANGEROUS LIGHTNING STRIKES AND BRIEF PERIODS OF VERY HEAVY RAINFALL CAUSING TEMPORARY FLOODING OF LOW LYING AREAS CAN BE EXPECTED FROM THESE STORMS FO(R THE NEXT COUPLE OF HOURS. MOST OF THE THUNDERSTORM ACTIVITY SHOULD END SHORTLY AFTER SUNSET.
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.