Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 66, NWS Jackson, MS

February 16, 1990Lamar County, Marion County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Feb 16, 1990, 5:05 AM CST for Lamar County, Marion County, Mississippi. It was in force for 25 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
Feb 16, 1990, 5:05 AM CST (11:05 UTC)
Expired
Feb 16, 1990, 5:30 AM CST
In force
25 min
Issued by
NWS Jackson, MS
Area
Whole counties

Counties Lamar County, MS, Marion 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
Feb 16, 5:15 AM CSTThunderstorm Wind 0Lamar, 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

Slidell Radar S, LA (KSIL), launched 00:00Z, 11.1 hours before the alert went out and 108 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, Slidell Radar S, LA at 00:00Z on 1990-02-16Temperature 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, Slidell Radar S, LA at 00:00Z on 1990-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 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
NaN m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
173 m²/s²
Significant tornado parameter
0.0
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 161105
SVRJAN
MSC073-091-161130-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
505 AM CST FRI FEB 16 1990
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  530 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHEAST MISSISSIPPI
          ...LAMAR
IN SOUTH CENTRAL MISSISSIPPI
          ...MARION
 
JACKSON RADAR WAS DETECING A SEVERE THUNDERSTORM OVER COLUMBIA IN
MARION COUNTY. THIS THUNDERSTORMS IS MOVING EAST AT 40 MPH AND SHOULD
PASS SOUTH OF SUMRALL BY 530 AM CST.
 
 
A TORNADO WATCH IS ALSO IN EFFECT.  REMEMBER SEVERE THUNDERSTORMS
CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVAN_CE WARNING.  REMAIN
CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.
<

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, Feb 16, 2:37 AM CST, 2 hours 28 minutes before
MSZALL-160900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
230 AM CST FRI FEB 16 1990

...TORNADO WATCH NO. 43 CONTINUES FOR NORTH EAST MISSISSIPPI FROM
PHILADELPHIA NORTHWARD TO FULTON UNTIL 4 AM...

...TORNADO WATCH NO. 42 REMAINS IN EFFECT FOR EAST CENTRAL AND SOUTH
EAST MISSISSIPPI UNTIL 4 AM...

STRONG SOUTHERLY WINDS AHEAD OF AN APPROACHING COLD FRONT HAVE PRODUCED
VERY UNSTABLE WEATHER CONDITIONS OVER MISSISSIPPI.

AT 230 AM CST...A BAND OF SCATTERED THUNDERSTORMS EXTENDED ACROSS
SOUTHEAST MISSISSIPPI FROM NEWTON TO TYLERTOWN...WHILE ANOTHER BAND
EXTENDED ACROSS WEST CENTRAL MISSISSIPPI AND EASTERN LOUISIANA FROM
HOLLY BLUFF MISSISSIPPI TO NEAR ALEXANDRIA LOUISIANA. SOME OF THE
THUNDERSTORMS IN THESE BANDS WERE PRODUCING VERY HEAVY RAIN...DANGEROUS
LIGHTNING...AND GUSTY WINDS.
>
PATCHES OF LIGHT RAIN AND SHOWERS WERE ALSO INDICATED OVER MAINLY
SOUTHEAST AND NORTHWEST MISSISSIPPI.

MOVEMENT WAS EAST AT 40 MILES AN HOUR.
Special weather statement, Feb 16, 3:13 AM CST, 1 hour 52 minutes before
MSZALL-161000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
310 AM CST FRI FEB 16 1990

...TORNADO WATCH NO. 43 HAS BEEN ISSUED FOR NORTH EAST MISSISSIPPI FROM
PHILADELPHIA NORTHWARD TO FULTON UNTIL 4 AM...

...TORNADO WATCH NO. 42 REMAINS IN EFFECT FOR EAST CENTRAL AND SOUTH
EAST MISSISSIPPI UNTIL 4 AM...

STRONG THUNDERSTORMS ARE REDEVELOPING IN CENTRAL AND SOUTHERN
MISSISSIPPI AS A COLD FRONT APPROACHES THE AREA.

AT 300 AM CST...A LINE OF STRONG THUNDERSTORMS WERE REPORTED FROM
LEXINGTON TO VICKSBURG TO EAST CENTRAL LOUISIANA. THSES STORMS WERE
ACCOMPANIED BY STRONG WIND..HEAVY RAIN..HAIL AND LIGHTNING. REPORTS
FROM THE VICKSBURG AREA INDICATE WINDS OF NEAR 50 MPH.

ANOTHER LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM TYLERTOWN TO
COLLINS TO NEWTON.

GENERAL MOVEMENT OF THESE STORMS WAS NORTH OF NORTHEAST AT 50 MPH.
FURTHER INTENSIFICATION OF THESE THUNDERSTORMS IS POSSIBLE THIS MORNING.
Special weather statement, Feb 16, 3:51 AM CST, 1 hour 14 minutes before
MSZALL-161030-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
350 AM CST FRI FEB 16 1990

...TORNADO WATCH NO. 44 IN EFFECT FOR MOST OF CENTRAL AND SOUTHERN
MISSISSIPPI UNTIL 10 AM...

AT 330 AM CST...TWO LINES OF THUNDERSTORMS...SOME WITH VERY HEAVY
RAINFALL...CONTINUED OVER CENTRAL AND SOUTHERN MISSISSIPPI. THE FIRST
LINE WAS ABOUT 20 MILES WIDE AND LOCATED BETWEEN MERIDIAN AND MCCOMB.
HEAVIEST ACTIVITY WAS BETWEEN QUITMAN AND COLLINS. THE SECOND LINE WAS
ABOUT 30 MILES WIDE AND NORTHWEST OF A LINE FROM KOSCIUSKO TO NATCHEZ.
HEAVIEST ACTIVITY WITHIN THIS AREA WAS LOCATED NEAR KOSCIUSKO AND 10 MILES
NORTHEAST OF NATCHEZ. MOVEMENT WAS EAST AT 45 MILES AN HOUR.

THESE THUNDERSTORMS MAY BE CAPABLE OF PRODUCING BRIEF HEAVY RAINS...
...DANGEROUS LIGHTNING...AND POSSIBLY SOME SMALL HAIL. PERSONS IN THE
PATH OF THESE THUNDERSTORMS SHOULD REMAIN ALERT TO RAPIDLY CHANGING
WEATHER CONDITIONS.
Special weather statement, Feb 16, 3:58 AM CST, 1 hour 7 minutes before
MSZ009-012-ALZ008-013-161130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
355 AM CST FRI FEB 16 1990

TORNADO WATCH NUMBER 44 IS IN EFFECT FOR ALL OF EAST CENTRAL MISSISSIPPI
AND EXTREME WEST CENTRAL ALABAMA UNTIL 1000 AM.

A FLASH FLOOD WATCH CONTINUES FOR ALL OF EAST CENTRAL MISSISSIPPI AND
WEST CENTRAL ALABAMA.

FLOODING CONTINUES THROUGHOUT THE AREA.  ROADS CONTINUE TO BE IMPASSABLE.
RIVERS AND STREAMS WILL CONTINUE TO FLOOD AS MORE HEAVY RAIN IS DEVELOPING
WEST OF THE AREA.

AT 350 AM RADAR INDICATED AN AREA OF RAIN AND THUNDERSTORMS CONTINUING
OVER EAST CENTRAL MISSISSIPPI AND EXTREME WEST CENTRAL ALABAMA EXTENDING
AS FAR WEST AS THE MISSISSIPPI RIVER AND SOUTH TO SOUTHEASTERN LOUISIANA.
SOME OF THESE THUNDERSTORMS WILL PRODUCE LARGE AMOUNTS OF RAIN IN A SHORT
PERIOD OF TIME.

DO NOT DRIVE INTO FLOODED ROADWAYS. IF WATER IS THREATENING YOUR HOME
MOVE TO HIGHER GROUND IMMEDIATELY.

MORNING TRAVELERS SHOULD CALL AHEAD TO THERE DESTINATIONS AND MAKE
SURE THAT ALL ROADS ARE PASSABLE BEFORE THEY LEAVE.

YOU SHOULD CONTINUE TO MONITOR THIS SERIOUS WEATHER SITUATION
THROUGHOUT THE MORNING HOURS.
Special weather statement, Feb 16, 4:15 AM CST, 50 minutes before
MSZ002-003-006-008-010-011-012-014-161100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
410 AM CST FRI FEB 16 1990

...TORNADO WATCH NO. 44 REMAINS IN EFFECT FOR MOST OF CENTRAL AND
SOUTHERN MISSISSIPPI UNTIL 10 AM...

AT 400 AM CST...A LINE OF THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...
WAS OCCURRING OVER CENTRAL AND SOUTHWESTERN MSISSISSIPPI. THIS AREA WAS
GENERALLY WEST OF A LINE FROM PHILADELPHIA TO MONTICELLO TO TYLERTOWN.
HEAVIEST ACTIVITY WAS OCCURRING ALONG THE MISSISSIPPI-LOUISIANA BORDER
SOUTH OF MCCOMB. MOVEMENT WAS EAST AT 50 MILES AN HOUR.

ALTHOUGH NO SEVERE WEATHER HAS BEEN REPORTED WITH THESE THUNDERSTORMS
...THE POTENTIAL FOR SEVERE WEATHER AND TORNADOES DOES EXIST. PERSONS
THROUGHOUT CENTRAL AND SOUTHERN MISSSISSIPPI SHOULD REMAIN ALERT FOR
RAPIDLY CHANGING WEATHER CONDITIONS.
Special weather statement, Feb 16, 4:37 AM CST, 28 minutes before
MSZALL-161130-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
435 AM CST FRI FEB 16 1990

...TORNADO WATCH NO. 44 IN EFFECT FOR MOST OF CENTRAL AND SOUTHERN
MISSISSIPPI UNTIL 10 AM...

AT 430 AM CST...THUNDERSTORMS...SOME WITH VERY HEAVY RAINFALL...CONTINUED
OVER CENTRAL AND SOUTHERN MISSISSIPPI. THE FIRST AREA WAS LOCATED FROM
MERIDIAN TO JUST NORTH OF LAUREL. HEAVIEST ACTIVITY WAS ABOUT 15 MILES
NORTHEAST OF LAUREL. THE SECOND AREA WAS GENERALLY WEST OF A LINE FROM
COLUMBUS TO RALEIGH TO NEAR BATON ROUGE. HEAVIEST ACTIVITY WAS LOCATED
NEAR MORTON...ABOUT 20 MILES NORTHWEST OF MCCOMB...AND ALONG THE
LOUISIANA BORDER ABOUT 20 MILES SOUTHEAST OF MCCOMB. MOVEMENT WAS EAST AT
45 MILES AN HOUR.

THESE THUNDERSTORMS MAY BE CAPABLE OF PRODUCING BRIEF HEAVY RAINS...
...DANGEROUS LIGHTNING...AND POSSIBLY SOME SMALL HAIL AS THEY MOVE THROUGH
CENTRAL AND SOUTHERN MISSISSIPPI. PEOPLE IN THESE AREAS SHOULD REMAI>N
ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 6:05 PM CSTTornado WarningJANSunflower, Washington25 min
Feb 15, 6:24 PM CSTTornado WarningJANLeflore36 min
Feb 15, 6:47 PM CSTTornado WarningJANGrenada, Tallahatchie28 min
Feb 15, 6:49 PM CSTFlash Flood WarningJANNoxubee6 hr
Feb 15, 6:55 PM CSTFlash Flood WarningJANNeshoba6 hr
Feb 15, 6:58 PM CSTFlash Flood WarningJANKemper6 hr
Feb 15, 7:11 PM CSTTornado WarningJANYalobusha34 min
Feb 15, 7:14 PM CSTSevere Thunderstorm WarningJANIssaquena31 min
Feb 15, 7:28 PM CSTFlash Flood WarningJANNewton6 hr
Feb 15, 7:33 PM CSTSevere Thunderstorm WarningJANHumphreys, Sharkey27 min
Feb 15, 8:02 PM CSTSevere Thunderstorm WarningJANLeflore28 min
Feb 15, 8:40 PM CSTFlash Flood WarningJANLauderdale4 hr
Feb 15, 8:54 PM CSTSevere Thunderstorm WarningJANJones51 min
Feb 15, 10:04 PM CSTSevere Thunderstorm WarningJANClarke26 min
Feb 15, 10:12 PM CSTSevere Thunderstorm WarningJANJones48 min
Feb 15, 10:18 PM CSTSevere Thunderstorm WarningJANLauderdale27 min
Feb 15, 10:49 PM CSTSevere Thunderstorm WarningJANLauderdale26 min
Feb 15, 11:07 PM CSTSevere Thunderstorm WarningJANWayne53 min
Feb 16, 12:04 AM CSTSevere Thunderstorm WarningJANJasper26 min
Feb 16, 12:12 AM CSTSevere Thunderstorm WarningJANCovington33 min
Feb 16, 12:14 AM CSTSevere Thunderstorm WarningJANJones31 min
Feb 16, 12:29 AM CSTSevere Thunderstorm WarningJANJefferson Davis31 min
Feb 16, 12:30 AM CSTSevere Thunderstorm WarningJANJasper45 min
Feb 16, 12:37 AM CSTTornado WarningJANCovington, Jefferson Davis13 min
Feb 16, 12:52 AM CSTSevere Thunderstorm WarningJANClarke53 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1990Every severe thunderstorm warning in 1990

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.