Alert archive / Mississippi / Severe Thunderstorm Warnings in 1987
Severe Thunderstorm Warning 8, NWS Mobile, AL
NWS Mobile, AL issued this severe thunderstorm warning at Mar 17, 1987, 9:45 PM CST for Hancock County, Pearl River County, Mississippi. It was in force for 60 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
- Mar 17, 1987, 9:45 PM CST (03:45 UTC)
- Expired
- Mar 17, 1987, 10:45 PM CST
- In force
- 60 min
- Issued by
- NWS Mobile, AL
- Area
- Whole counties
Counties Hancock County, MS, Pearl River County, MS
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 17, 10:40 PM CST | Thunderstorm Wind 0 | Hancock, MS |
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
Boothville, LA (KBVE), launched 00:00Z, 3.8 hours before the alert went out and 140 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
- 937 J/kg
- Mixed-layer CIN
- -48 J/kg
- Mixed-layer LCL
- 541 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 526 m²/s²
- 0-3 km storm-relative helicity
- 619 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 14.7
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, Mar 17, 5:40 PM CST, 4 hours 5 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE, AL.
540 PM CST TUE MAR 17 1987
...TORNADO WATCH NUMBER 34 IS IN EFFECT FOR SOUTHEAST MISSISSIPPI
COUNTIES OF LAMAR..FORREST..PERRY..PEARL-RIVER..STONE AND HANCOCK
HANCOCK UNTIL 10 PM...
MOBILE RADAR AT 535 PM CST SHOWED ONLY A FEW WIDELY SCATTERED SHOWERS
JUST OFF SHORE ALONG THE COASTAL SECTIONS OF MISSISSIPPI AND ALABAMA.
OTHER RADARS SHOWED A LARGE AREA OF RAIN WITH VERY STRONG STORMS OVER
SOUTHWEST MISSISSIPPI THEN SOUTHWEST INTO LOUISIANA. HEAVIEST STORMS
WERE FROM SOUTH OF JACKSON TO THE BATON ROUGE AREA WITH MOVEMENT TO THE
NORTHEAST AT 50 MPH.
RESIDENTS IN THE EFFECTED COUNTIES SHOULD BE ON THE LOOKOUT FOR CHANGING
WEATHER AND BE PREPARED TO SEEK SAFE SHELTER IF SEVERE WEATHER IS
SIGHTED OR A WARNING IS ISSUED FOR YOUR LOCAL AREA.Special weather statement, Mar 17, 8:00 PM CST, 1 hour 45 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MOBILE, AL. 800 PM CST TUE MAR 17 1987 ...TORNADO WATCH NUMBER 34 IS IN EFFECT FOR SOUTHEAST MISSISSIPPI COUNTIES OF LAMAR..FORREST..PERRY..PEARL-RIVER..STONE AND HANCOCK UNTIL 10 PM... MOBILE RADAR AT 755 PM CST SHOWED THE LEADING EDGE OF THE VERY HEAVY THUNDERSTORMS ARE ENTERING THE WESTERN PART OF LAMAR AND PEARL-RIVER COUNTIES OF SOUTHEAST MISSISSIPPI. OTHER SHOWERS WERE SCATTERED OVER SOUTHEAST MISSISSIPPI AND THEIR COASTAL WATERS. THE STORMS WERE TRACKING TO THE NORTHEAST AT 50 MPH. RESIDENTS IN THE EFFECTED COUNTIES SHOULD BE ON THE LOOKOUT FOR CHANGING WEATHER AND BE PREPARED TO SEEK SAFE SHELTER IF SEVERE WEATHER IlS SIGHTED OR A WARNING IS ISSUED FOR YOUR LOCAL AREA. LISTEN TO NOAA WEATHER RADIO..COMMERICAL RADIO OR TV FOR LATER STATEMENTS ON THIS WEATHER PROBLEM AS IT TRACES EAST ACROSS THE AREA TONIGHT.
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 10:25 PM CST | Flash Flood Warning | MOB | Forrest, Perry | 3 hr |
| Mar 17, 10:30 PM CST | Severe Thunderstorm Warning | MOB | Harrison, Stone | 45 min |
| Mar 17, 11:30 PM CST | Severe Thunderstorm Warning | MOB | George, Jackson | 60 min |
| Mar 18, 1:32 AM CST | Severe Thunderstorm Warning | MOB | Jackson | 48 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.