Alert archive / Mississippi / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 59, NWS Jackson, MS

August 5, 1987Pike County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Aug 5, 1987, 2:55 PM CDT for Pike County, Mississippi. It was in force for 35 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
Aug 5, 1987, 2:55 PM CDT (19:55 UTC)
Expired
Aug 5, 1987, 3:30 PM CDT
In force
35 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Pike 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

TimeReportWhereRemark
Aug 5, 3:00 PM CDTThunderstorm Wind 0Pike, 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

Jackson, MS (KJAN), launched 12:00Z, 7.9 hours before the alert went out and 131 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, Jackson, MS at 12:00Z on 1987-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2174 joules per kilogram.LCLLFCEL10008507005003002001001 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, Jackson, MS at 12:00Z on 1987-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -10 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
2174 J/kg
Mixed-layer CIN
-45 J/kg
Mixed-layer LCL
675 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-10 m²/s²
0-3 km storm-relative helicity
1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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, Aug 5, 2:22 PM CDT, 33 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
222 PM CDT WED AUG 5 1987

AT 215 PM THUNDERSTORMS WERE DEVELOPING RAPIDLY OVER PORTIONS OF
SOUTHCENTRAL MISSISSIPPI.  ONE OF THE LARGER THUNDERSTORMS WAS LOCATED
JUST NORTH OF WESSON.

WITH ABUNDANT MOISTURE...AND HEATING...MORE THUNDERSTORMS ARE LIKELY
TO BECOME ACTIVE THROUGHOUT SOME SOUTHCENTRAL COUNTIES FOR THE NEXT
FEW HOURS.

SOME HEAVY RAINS ARE POSSIBLE WITH THESE THUNDERSTORMS...DUE TO THEIR
SLOW MOVEMENT.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 5, 5:45 PM CDTFlash Flood WarningJANHinds60 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.