Alert archive / Alabama / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 25, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at May 14, 1987, 12:22 PM CDT for Mobile County, Alabama. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- May 14, 1987, 12:22 PM CDT (17:22 UTC)
- Expired
- May 14, 1987, 1:25 PM CDT
- In force
- 63 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.
The nearest sounding before it
Eglin AFB/Valpar, FL (KVPS), launched 12:00Z, 5.4 hours before the alert went out and 164 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
- 178 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 657 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 65 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 141723 SVRMOB ALC097-141825- BULLETIN..IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MOBILE AL 1222 PM CDT THU MAY 14 1987 THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 125 PM CDT FOR THE FOLLOWING COUNTY IN ALABAMA... ...MOBILE AT 1222 PM CDT THE MOBILE RADAR SHOWED A SEVERE THUNDERSTORM 7 MILES SOUTHWEST OF CITRONELLE MOVING TO THE EAST AT 15 MPH. LARGE HAIL AND DAMAGING WINDS CAN BE EXPECTED WITH THIS THUNDERSTORM. ADDITIONALLY OTHER INTENSE THUNDERSTORMS WERE SCATTERED ACROSS MOBILE COUNTY....THESE COULD ALSO PRODUCE HAIL AND DAMAGING WINDS. STAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMSATION.
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, 10:55 AM CDT, 1 hour 27 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1055 AM CDT THU MAY 14 1987 ...THUNDERSTORMS DEVELOPING RAPIDLY OVER SOUTHEAST MISSISSIPPI AND SOUTHWEST ALABAMA... AT 1045 AM CDT NATIONAL WEATHER SERVICE RADARS SHOWED THUNDERSTORMS INCREASING IN COVERAGE AND INTENSITY ACROSS SOUTHEAST MISSISSIPPI AND MOBILE AND WASHINGTON COUNTIES IN ALABAMA. SOME OF THE THUNDERSTORMS ARE PRODUCING VERY HEAVY RAINFALL...FREQUENT LIGHTNING...GUSTY WINDS... AND POSSIBLY HAIL. THE HEAVIEST RAINS DETECTED BY RADAR WERE...NEAR ALABAMA PORT...IN THE MOBILE AREA...NEAR PASCAGOULA...WEST OF LUCEDALE MISSISSIPPI...AND SOUTHWEST OF CHATOM ALABAMA. THUNDERSTORMS SHOULD CONTINUE TO INCREASE ACROSS SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI DURING THE NEXT FEW HOURS. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLY WARNINGS.
Special weather statement, May 14, 11:42 AM CDT, 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 1141 AM CDT THU MAY 14 1987 AT 1125 AM CDT THUNDERSTORMS WERE NUMEROUS OVER SOUTHEAST MISSISSIPPI AND SCATTERED OVER SOUTHWEST ALABAMA. THE HEAVIEST RAINFALL WAS BETWEEN HURLEY MISSISSIPPI AND GRAND BAY ALABAMA...IN MOBILE BAY WEST OF POINT CLEAR...NEAR STATE LINE MS... AND BETWEEN MERRILL AND PERKINSON MISSISSIPPI. INDIVIDUAL THUNDERSTORMS WERE MOVING TO THE NORTHEAST AT 10( MILES AN HOUR.
Nearby
Severe Thunderstorm Warnings in Alabama, 1987Every severe thunderstorm warning in 1987
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.