Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 53, NWS Jackson, MS

February 15, 1990Jones County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Feb 15, 1990, 8:54 PM CST for Jones County, Mississippi. It was in force for 51 min.

The area

The counties it named.

The facts

Issued
Feb 15, 1990, 8:54 PM CST (02:54 UTC)
Expired
Feb 15, 1990, 9:45 PM CST
In force
51 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Jones 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

Jackson, MS (KJAN), launched 00:00Z, 2.9 hours before the alert went out and 116 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 00:00Z on 1990-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1079 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 00:00Z on 1990-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 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
1079 J/kg
Mixed-layer CIN
-54 J/kg
Mixed-layer LCL
686 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
164 m²/s²
Significant tornado parameter
0.9
Supercell composite
4.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEI 160255
SVRMEI
MSC067-160345-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
854 PM CST THU FEB 15 1990
 
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  945 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL MISSISSIPPI
          ...JONES
 
AT 854 PM CST RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES
SOUTHWEST OF LAUREL MISSISSIPPI MOVING NORTHEAST AT 35 MPH.
 
A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE 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 15, 6:47 PM CST, 2 hours 7 minutes before
MSZALL-160100-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
640 PM CST THU FEB 15 1990

...TORNADO WATCH NUMBER 39 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL
AND SOUTHERN MISSISSIPPI UNTIL 1000 PM...

...TORNADO WATCH NUMBER 40 FOR NORTHERN MISSISSIPPI TILL MIDNIGHT...

AT 635 PM CST...A LINE OF STRONG THUNDERSTORMS WAS INDICATED ACROSS
NORTHWEST MISSISSIPPI FROM MAYERSVILLE TO BATESVILLE.  THIS LINE IS
MOVING EAST AROUND 20 MPH.

THE STRONGEST STORM WITHIN THIS LINE WAS MOVING ACROSS LEFLORE COUNTY
JUST NORTH OF GREENWOOD.  THIS STORM HAS HAD A TORNADIC HISTORY.  OTHER
STRONG STORMS WITHIN THIS LINE WERE INDICATED NEAR HOLLENDALE AND
NEAR DARNELL LOUISIANA.  THESE STORMS PROBABLY CONTAIN HAIL.

IN ADVANCE OF THIS LINE...STRONG WIND GUSTS ARE POSSIBLE.  THE STORMS
WILL ALSO PRODUCE HEAVY RAIN.

ELSEWHERE ACROSS MISSISIPPI...AN AREA OF RAIN AND EMBEDDED THUNDERSTORMS
WAS INDICATED ACROSS SOUTH CEyNTRAL AND EAST CENTRAL MISSISSIPPI.  THIS
AREA HAS BEEN SHRINKING IN AREAL COVERAGE...BUT ISOLATED STRONG STORMS
WITHIN THIS AREA MAY PRODUCE LOCALLY HEAVY RAIN.  THE AREA IS DRIFTING
EAST.
Special weather statement, Feb 15, 7:19 PM CST, 1 hour 35 minutes before
MSZ009-012-ALZ008-013-160300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
 710 PM CST THU FEB 15 1990

TORNADO WATCH NUMBER 38 CONTINUES IN EFFECT FOR EXTREME WEST CENTRAL
ALABAMA UNTIL 800 PM CST.

TORNADO WATCH NUMBER 39 CONTINUES IN EFFECT FOR EAST CENTRAL MISSISSIPPI
UNTIL 1000 PM CST.

TORNADO WATCH NUMBER 40 CONTINUES IN EFFECT UNTIL MIDNIGHT FOR NORTH CENTRAL
MISSISSIPPI.

FLASH FLOOD WARNINGS ARE IN EFFECT FOR THE FOLLOWING COUNTIES UNTIL THE
TIMES INDICATED...LAUDERDALE UNTIL 845 PM...JASPER UNTIL 1100 PM...SUMTER
COUNTY ALABAMA UNTIL 1145 PM...NOXUBEE UNTIL 1245 AM...NESHOBA UNTIL
100 AM...KEMPER UNTIL 100 AM...

 AT 700 PM CST RADAR INDICATED A LINE OF VERY STRONG THUNDERSTORMS
EXTENDED  FROM NEAR BAY SPRINGS MISSISSIPPI TO NEAR MACON MISSISSIPPI.
THE LINE OF THUNDERSTORMS WAS MOVING SOUTHEAST AT 10 MPH. THE INDIVIDUAL
STORMS WERE MOVING NORTHEAST AT 40 MPH.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGINZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED...
ACT QUICKLY. MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IA AREAS SUBJECT TO FLOODING  WHEN WATER BEGINS RISING.
Special weather statement, Feb 15, 7:25 PM CST, 1 hour 29 minutes before
MSZALL-160200-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
725 PM CST THU FEB 15 1990

...TORNADO WATCH NUMBER 39 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL
AND SOUTHERN MISSISSIPPI UNTIL 1000 PM...

...TORNADO WATCH NUMBER 40 FOR NORTHERN MISSISSIPPI TILL MIDNIGHT...

AT 715 PM CST...A LINE OF STRONG THUNDERSTORMS WAS INDICATED ACROSS WEST
AND NORTH CENTRAL MISSISSIPPI FROM ROLLING FORK TO OXFORD.  THIS LINE IS
MOVING EAST AROUND 20 MPH...BUT INDIVIDUAL STORMS ARE MOVING NORTHEAST
AT 60 MPH.

THE STRONGEST STORM WITHIN THIS LINE WAS MOVING ACROSS YALOBUSHA COUNTY
NEAR COFFEYVILLE.  THIS STORM HAS HAD A TORNADIC HISTORY.  OTHER STRONG
STORMS WITHIN THIS LINE WERE INDICATED NEAR ROLLING FORK AND ITTA BENA.
THESE STORMS PROBABLY CONTAIN HAIL.
<
AHEAD OF THIS LINE OF STORMS...STRONG GUSTY WINDS ARE POSSIBLE.  HEAVY
RAIN WILL ALSO ACCOMPANY THE STRONGEST STORMS.

ELSEWHERE ACROSS MISSISIPPI...AN AREA OF SHOWERS AND THUNDERSTORMS WAS
WAS INDICATED ACROSS SOUTH CENTRAL AND EAST CENTRAL MISSISSIPPI.  THIS
AREA HAS BEEN NARROWING INTO A BAND AND WEAKENING.  HOWEVER...ISOLATED
STRONG STORMS WITHIN THIS BAND MAY PRODUCE LOCALLY HEAVY RAIN.  THIS
BAND OF SHOWERS WAS MOVING SLOWLY EAST.
Special weather statement, Feb 15, 8:15 PM CST, 39 minutes before
MSZALL-160200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
815 PM CST THU FEB 15 1990

TORNADO WATCH NUMBER 40 HAS BEEN CANCELLED NORTHWEST OF A GREENVILLE...
OXFORD...RIPLEY LINE BUT REMAINS IN EFFECT UNTIL MIDIGHT SOUTHEAST OF
THAT LINE.

TORNADO WATCH NUMBER 39 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL AND
SOUTH MISSISSIPPI UNTIL 10 PM.
Special weather statement, Feb 15, 8:20 PM CST, 34 minutes before
MSZALL-160300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
815 PM CST THU FEB 15 1990

...TORNADO WATCH NUMBER 39 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL
AND SOUTHERN MISSISSIPPI UNTIL 1000 PM...

...TORNADO WATCH NUMBER 40 FOR MUCH OF NORTHERN MISSISSIPPI TILL
MIDNIGHT...

AT 800 PM CST...A LINE OF STRONG THUNDERSTORMS WAS INDICATED ACROSS
NORTHWEST MISSISSIPPI FROM ROLLING FORK TO TUPELO. THIS LINE IS
MOVING EAST AROUND 20 MPH WITH INDIVIDUAL STORMS MOVING NORTHEAST AT 60
MPH. THESE STORMS HAVE BEEN ASSOCIATED WITH VERY HEAVY RAIN..STRONG
WIND..AND DAMAGING HAIL. THE STRONGEST IN THE LINE WAS LOCATED NEAR
BELZONI.

A LINE OF STRONG THUNDERSTORMS WAS ALSO LOCATED ACROSS EAST AND SOUTHEAST
MISSISSIPPI FROM MACON SOUTWESTWARD TO TYLERTOWN. THE STORMS WERE MOVING
NORTHEAST ABOUT 60 MPH AND THE LINE WAS MOVING TO THE EAST ABOUT 20
MPH. THE STRONGEST STORMS WERE LOCATED NEAR BAY SPRINGS AND TYLERTOWN.

AN AREA OF THUNDERSTORMS WAS ALSO INDICATED OVER SOUTHWEST MISSISSIPPI.
THESE STORMS ARE MOVING INTO A WARM..MOIST AREA AND MAY CONTINUE TO
STRENGHTEN. THEY WERE LOCATED IN AN AREA FROM PORT GIBSON TO HAZELHURST
TO MCCOMB AND WERE MOVING NORTHEAST ABOUT 60 MPH.
Special weather statement, Feb 15, 8:43 PM CST, 11 minutes before
MSZALL-160330-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
835 PM CST THU FEB 15 1990

...TORNADO WATCH NUMBER 39 REMAINS IN EFFECT FOR PORTIONS OF CENTRAL
AND SOUTHERN MISSISSIPPI UNTIL 1000 PM...

...TORNADO WATCH NUMBER 40 REMAINS IN EFFECT FOR NORTHEAST MISSISSIPPI
UNTIL MIDNIGHT...

...TORNADO WATCH 40 HAS BEEN CANCELLED FOR THE AREA NORTHWEST OF A LINE
FROM GREENVILLE TO OXFORD TO RIPLEY...

AT 825 PM CST...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM ROLLING
FORK TO TUPELO. THESE STORMS HAD DECREASED SLIGHTLY IN INTENSITY OVER THE
PAST 30 MINUTES. THE STORMS WERE MOVING TO THE NORTHEAST AT 60 MPH WITH
THE STRONGEST ONES FROM HOLLANDALE TO LAKE PROVIDENCE LOUISIANA AND NEAR
GREENWOOD. LINE MOVEMENT WAS TO THE EAST ABOUT 20 MPH.

ANOTHER LINE OF THUNDERSTORMS WAS INDICATED FROM BATON ROUGE LOUISIANA
NORTHEAST TO DEKALB. THUNDERSTORM MOVEMENT WAS NORTHEAST AT 60 MPH WHILE
THE LINE MOVED TO THE EAST AT 20 MPH.

AN AREA OF THUNDERSTORMS WAS INDICATED OVER MISSISSIPPI SOUTHWEST OF A
LINE FROM PORT GIBSON TO MCCOMB. THESE WERE MOVING TO THE NORTHEAST AT
60 MPH.

THUNDERSTORMS WILL CONTINUE OVER THE REGION THROUGH TONIGHT AS A COLD
FRONT APPROACHES FROM ARKANSAS. RESIDENTS SHOULD REMAIN ALERT TO
CHANGING WEATHER CONDITIONS IN THEIR AREA.

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, 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
Feb 16, 5:05 AM CSTSevere Thunderstorm WarningJANLamar, Marion25 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; the sounding from the Mesonet's radiosonde archive.