Alert archive / Alabama / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 96, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Sep 18, 1991, 4:22 PM CDT for Monroe County, Alabama. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- Sep 18, 1991, 4:22 PM CDT (21:22 UTC)
- Expired
- Sep 18, 1991, 5:15 PM CDT
- In force
- 53 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
County Monroe County, AL
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 12:00Z, 9.4 hours before the alert went out and 267 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
- 2338 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 763 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 16 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, Sep 18, 3:30 PM CDT, 52 minutes before
ALZ013-015-016-MSZ013-014-182230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 330 PM CDT WED SEP 18 1991 AT 325 PM CDT MOBILE RADAR SHOWED SHOWERS AND STRONG THUNDERSTORMS REMAINED SCATTERED OVER SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. THE STRONGEST STORMS WERE ON THE EASTERN SHORE OF MOBILE BAY AND NORTH GEORGE COUNTY OF SOUTHEAST MISSISSIPPI. RESIDENTS IN OR NEAR THE STRONGER STORMS CAN EXPECT DANGEROUS LIGHTNING ... SMALL SIZE HAIL... AND HEAVY RAINFALL... CAUSING BRIEF FLOODING OF STREETS AND LOW LYING AREAS AS THESE STORMS TRACK TO THE SOUTHWEST. BOATERS IN OR NEAR MOBILE BAY SHOULD KEEP ALERT FOR RAPID CHANGE IN THE WEATHER AND TAKE NECESSARY FOR THEIR SAFETY UNTIL THE STORMS MOVE OUT OF THE AREA.
Special weather statement, Sep 18, 3:30 PM CDT, 52 minutes before
ALZ013-015-016-MSZ013-014-182230- SPECIAL WEATHER STATEMENT...WORDING NATIONAL WEATHER SERVICE MOBILE AL 330 PM CDT WED SEP 18 1991 AT 325 PM CDT MOBILE RADAR SHOWED SHOWERS AND STRONG THUNDERSTORMS REMAINED SCATTERED OVER SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI. THE STRONGEST STORMS WERE ON THE EASTERN SHORE OF MOBILE BAY AND NORTH GEORGE COUNTY OF SOUTHEAST MISSISSIPPI. THE STORMS WERE MOVING SOUTHWEST AT LESS THAN 10 MPH. RESIDENTS IN OR NEAR THE STRONGER STORMS CAN EXPECT DANGEROUS LIGHTNING ... SMALL SIZE HAIL... AND HEAVY RAINFALL... CAUSING BRIEF FLOODING OF STREETS AND LOW LYING AREAS AS THESE STORMS TRACK TO THE SOUTHWEST. BOATERS IN OR NEAR MOBILE BAY SHOULD KEEP ALERT FOR RAPID CHANGE IN THE WEATHER AND TAKE NECESSARY ACTION FOR THEIR SAFETY UNTIL THE STORMS MOVE OUT OF THE AREA.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 6:08 PM CDT | Severe Thunderstorm Warning | MOB | Mobile | 37 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; the sounding from the Mesonet's radiosonde archive.