Alert archive / Mississippi / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 36, NWS Mobile, AL

July 14, 1987Jackson County, Mississippi; Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jul 14, 1987, 5:38 PM CDT for Jackson County, Mississippi; Mobile County, Alabama. It was in force for 52 min.

The area

The counties it named.

The facts

Issued
Jul 14, 1987, 5:38 PM CDT (22:38 UTC)
Expired
Jul 14, 1987, 6:30 PM CDT
In force
52 min
Issued by
NWS Mobile, AL
Area
Whole counties

Counties Mobile County, AL, Jackson County, MS

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

Boothville, LA (KBVE), launched 12:00Z, 10.6 hours before the alert went out and 168 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.

Skew-T log-pSkew-T log-p diagram, Boothville, LA at 12:00Z on 1987-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2555 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boothville, LA at 12:00Z on 1987-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2555 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
563 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMOB 142241
SVRMOB
MSC059-ALC097-142330-

BULLETIN..IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
538 PM CDT TUE JUL 14 1987

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL 630 PM CDT FOR PERSONS IN...

MOBILE COUNTY ALABAMA...AND...
JACKSON COUNTY MISSISSIPPI

AT 538 PM CDT RADAR SHOWED A SEVERE THUNDERSTORM 10 MILES NORTH OF
PASCAGOULA MISSISSIPPI.  THIS STORM IS MOVIN'G TO THE EAST AT 15 MPH.

LARGE HAIL AND DAMAGING WINDS ARE POSSIBLE WITH THIS STORM.

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, Jul 14, 2:38 PM CDT, 3 hours before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY ...CORRECTIONS...
NATIONAL WEATHER SERVICE PENSACOLA FL
240 PM CDT TUE JUL 14 1987

AT 230 PM...VERY STRONG THUNDERSTORMS WERE OVER THE COASTAL AREAS FROM
PASCAGOULA MISSISSIPPI EASTARD THROUGH ALABAMA AND THE FLORIDA
PANHANDLE FROM PENSACOLA AND MILTON TO TALLAHASSEE. SOME OF THESE
STRONG STORMS SHOW EVIDENCE OF BEING ABLE TO PRODUCE HAIL...ESPECIALLY
THOSE STORMS OVER THE WESTERN FLORIDA PANHANDLEa.

FREQUENT LIGHTNING STRIKES AND BRIEFLY HEAVY DOWNPOURS OF RAIN
ACCOMPANY ALL OF THE COASTAL THUNDERSTORMS.

MOVEMENT OF THE STORMS WAS TO THE EAST AND SOUTHEAST AT 10 MPH.
Special weather statement, Jul 14, 2:39 PM CDT, 2 hours 59 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
240 PM CDT TUE JUL 14 1987

...THUNDERSTORM CROSSING MOBILE BAY...

AT 235 PM CDT THE MOBILE RADAR SHOWED A THUNDERSTORM CENTERED OVER
MOBILE BAY...ABOUT 5 MILES NORTHWEST OF FAIRHOPE.  THIS STORM IS
MOVING TO THE EAST AT 15 MPH...AND WILL BRING VERY HEAVY RAINFALL AND
STRONG GUSTY WINDS INTO THE FAIRHOPE AND DAPHNE AREAS DURING THE NEXT
HOUR.

OTHER WIDELY SCATTERED SHOWERS AND THUNDERSTORMS ARE INCREASING ACROSS
SOUTHWEST ALABAMA AND SOUTHEAST MISSISSIPPI.  HEAVIER THUNDERSTORMS
WERE LOCATED...NEAR OCEAN SPRINGS MISSISSIPPI...AND JUST NORTH OF
PASCAGOULA.  THESE THUNDERSTORMS ARE MOVING TO THE EAST AT 15 MPH.

STbAY TUNED TO NOAA WEATHER RADIO FOR THE LATEST WEATHER BULLETINS.
Special weather statement, Jul 14, 3:35 PM CDT, 2 hours 3 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
340 PM CDT TUE JUL 14 1987

AT 330 PM...VERY STRONG THUNDERSTORMS WERE OVER THE COASTAL AREAS FROM
MISSISSIPPI EASTARD THROUGH ALABAMA AND THE FLORIDA
PANHANDLE FROM PENSACOLA TO THE APALACHICOLA RIVER. SEVERAL OF THESE
STRONG STORMS SHOW INDICATIONS OF CONTAINING HAIL...ESPECIALLY
THOSE STORMS OVER ALABAMA AND THE WESTERN FLORIDA PANHANDLE.

FREQUENT LIGHTNING STRIKES AND BRIEFLY HEAVY DOWNPOURS OF RAIN
ACCOMPANY ALL OF THE COASTAL THUNDERSTORMS.

MOVEMENT OF THE STORMS WAS TO THE EAST AND SOUTHEAST AT 10 MPH.
Special weather statement, Jul 14, 3:40 PM CDT, 1 hour 58 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
340 PM CDT TUE JUL 14 1987

...THUNDERSTORMS OVER MOBILE AND BALDWIN COUNTIES...

AT 330 PM CDT THE MOBILE RADAR SHOWED SCATTERED THUNDERSTORMS OVER
THE SOUTHERN HALF OF MOBILE AND BALDWIN COUNTIES. THE HEAVIEST
RAINS WERE INDICATED...BETWEEN SPANISH FORT AND LOXLEY...JUST SOUTH
OF POINT CLEAR...AND FROM JUST SOUTH OF THE MOBILE AIRPORT TO GRAND
BAY. FREQUENT LIGHTNING...GUSTY WINDS...AND POSSIBLE HAIL WILL
ACCOMPANY THESE STORMS AS THEY MOVE EAST AT 20 MPH.

LATER STATEMENTS WILL BE ISSUED IF THREATING CONDITIONS SHOULD DEVELOP
Special weather statement, Jul 14, 4:27 PM CDT, 1 hour 11 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
430 PM CDT TUE JUL 14 1987

AT 430 PM...VERY STRONG THUNDERSTORMS WERE OVER THE COASTAL AREAS OF
MISSISSIPPI AND ALABAMA AND EAST OVER NORTHWEST FLORIDA FROM THE
PENSACOLA AREA TO THE APALACHICOLA RIVER. SEVERAL OF THESE
STRONG STORMS SHOW INDICATIONS OF CONTAINING HAIL...ESPECIALLY
THOSE STORMS OVER ALABAMA AND THE WESTERN FLORIDA PANHANDLE.

FREQUENT LIGHTNING STRIKES AND BRIEFLY HEAVY DOWNPOURS OF RAIN
ACCOMPANY ALL OF THE COASTAL THUNDERSTORMS.

MOVEMENT OF THE STORMS WAS TO THE EAST AND SOUTHEAST AT 10 MPH.
Special weather statement, Jul 14, 5:21 PM CDT, 17 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE PENSACOLA FL
525 PM CDT TUE JUL 14 1987

AT 525 PM...VERY STRONG THUNDERSTORMS STRETCHED FROM THE COASTAL AREAS
OF MISSISSIPPI AND ALABAMA EAST OVER NORTHWEST FLORIDA TO NEAR THE
APALACHICOLA RIVER. SEVERAL OF THESE STRONG STORMS SHOW INDICATIONS OF
CONTAINING HAIL. FREQENT LIGHTNING...GUSTY WINDS AND BRIEF PERIODS OF
HEAVY RAIN CAN ALSO BE EXPECTED.

MOVEMENT OF THE STORMS WAS TO THE EAST AND SOUTHEAST AT 10 MPH.

Nearby

Severe Thunderstorm Warnings in Mississippi, 1987Severe 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.