Alert archive / Mississippi / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 101, NWS Jackson, MS

December 19, 1987Hinds County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Dec 19, 1987, 5:07 PM CST for Hinds County, Mississippi. It was in force for 23 min. 3 reports 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
Dec 19, 1987, 5:07 PM CST (23:07 UTC)
Expired
Dec 19, 1987, 5:30 PM CST
In force
23 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Hinds 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
Dec 19, 5:20 PM CSTThunderstorm Wind 0Hinds, MS
Dec 19, 5:20 PM CSTThunderstorm Wind 0Hinds, MS
Dec 19, 5:20 PM CSTThunderstorm Wind 0Hinds, 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

Little Rock, AR (KLZK), launched 12:00Z, 11.1 hours before the alert went out and 289 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, Little Rock, AR at 12:00Z on 1987-12-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Little Rock, AR at 12:00Z on 1987-12-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3588 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
148 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 192307
SVRJAN
MSC049-192330-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
507 PM CST SAT DEC 19 1987
 
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WARNING
EFFECTIVE UNTIL  530 PM CST FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL MISSISSIPPI
          ...HINDS
 
A SEVERE THUNDERSTORM WAS JUST SOUTHWEST OF UTICA...MISSISSIPPI.
THIS THUNDERSTORM IS MOVING NORTHEAST AT 60 MPH AND SHOULD BE JUST
SOUTHWEST OF RAYMOND AT 530 PM CST.
 
THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A
STRONG BUILDING.  DO NOT STAND BY WINDOWS.  DON'T USE TELEPHONES
OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM
H#AS PASSED.  MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.

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, Dec 19, 1:45 PM CST, 3 hours 22 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
145 PM CST SAT DEC 19 1987

      ...A LINE OF STRONG THUNDERSTORMS WEST OF MISSISSIPPI...

A LINE OF STRONG THUNDERSTORMS DEVELOPED IN TEXAS THIS MORNING
AND HAS BEEN RACING EASTWARD AT 50 TO 60 MPH DURING THE DAY. THIS
LINE HAS NOW MOVED INTO WESTERN LOUISIANA. IF THE LINE CONTINUES
AT ITS PRESENT MOVEMENT...IT WILL NEAR THE MISSISSIPPI RIVER AROUND
500 OR 600 PM.

THE ATMOSPHERE IS BECOMING INCREASINGLY MORE UNSTABLE AND THIS MEANS
THE LINE OF STORMS WILL PROBABLY HOLD TOGETHER AS IT MOVES THROUGH
MISSISSIPPI THIS EVENING.

AS THE LINE MOVES THROUGH...GUSTY WINDS OF 40 TO 50 MPH ARE EXPECTED
WITH EVEN HIGHER GUSTS< POSSIBLE.

IF THE LINE CONTINUES STRONG...A WATCH MAY EVEN BECOME NECESSARY.

INTERESTS IN MISSISSIPPI SHOULD KEEP UP WITH THE LATEST
WEATHER INFORMATION BY LISTENING TO NOAA WEATHER RADIO.
Special weather statement, Dec 19, 3:26 PM CST, 1 hour 41 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
330 PM CST SAT DEC 19 1987

      ...A LINE OF STRONG THUNDERSTORMS NEARING MISSISSIPPI...

A LINE OF STRONG THUNDERSTORMS IN LOUISIANA IS RACING EASTWARD
TOWARD MISSISSIPPI AT 55 TO 60 MPH. THE LINE IS EXPECTED TO NEAR
THE MISSISSIPPI RIVER BETWEEN 430 AND 500 PM.

THE ATMOSPHERE IS BECOMING INCREASINGLY MORE UNSTABLE AND THIS MEANS
THE LINE OF STORMS WILL PROBABLY HOLD TOGETHER AS IT MOVES THROUGH
MISSISSIPPI THIS EVENING.

AS THE LINE MOVES THROUGH...GUSTY WINDS OF 40 TO 50 MPH ARE EXPECTED
WITH EVEN HIGHER GUSTS POSSIBLE.

IF THE LINE CONTINUES STRONG...A WATCH MAY EVEN BECOME NECESSARY
FOR PORTIONS OF MISSISSIPPI.
<

ALL INTERESTS IN MISSISSIPPI SHOULD KEEP UP WITH THE LATEST
WEATHER INFORMATION BY LISTENING TO NOAA WEATHER RADIO.

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 19, 4:05 PM CSTSevere Thunderstorm WarningJANIssaquena, Washington40 min
Dec 19, 4:05 PM CSTSevere Thunderstorm WarningJANWarren40 min
Dec 19, 4:41 PM CSTSevere Thunderstorm WarningJANWarren34 min
Dec 19, 4:41 PM CSTSevere Thunderstorm WarningJANIssaquena, Sharkey, Yazoo34 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.