Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 63, NWS Jackson, MS

February 16, 1990Jefferson Davis County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Feb 16, 1990, 12:29 AM CST for Jefferson Davis County, Mississippi. It was in force for 31 min.

The area

The counties it named.

The facts

Issued
Feb 16, 1990, 12:29 AM CST (06:29 UTC)
Expired
Feb 16, 1990, 1:00 AM CST
In force
31 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Jefferson Davis 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, 6.5 hours before the alert went out and 87 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 KJAN 160630
SVRJAN
MSC065-160700-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1229 AM CST FRI FEB 16 1990
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  100 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTH CENTRAL MISSISSIPPI
          ...JEFFERSON.DAVIS
 
AT 1226 AM CST...RADAR INDICATED A SEVERE THUNDERSTORM NEAR BASSFIELD
MISSISSIPPI. THE STORM WAS MOVING TO THE NORTHEAST AT 45 MPH.
 
 
A TORNADO WATCH IS ALSO IN EFFECT.  REMEMBER SEVERE THUNDERSTORMS
CAN 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, 10:46 PM CST, 1 hour 43 minutes before
MSZALL-160500-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
1040 PM CST THU FEB 15 1990

...TORNADO WATCH NUMBER 42 REMAINS IN EFFECT FOR EAST CENTRAL AND SOUTH
EAST MISSISSIPPI UNTIL 4 AM...

...TORNADO WATCH NUMBER 40 REMAINS IN EFFECT SOUTHEAST OF A LINE FROM
GREENVILLE TO OXFORD TO RIPLEY UNTIL MIDNIGHT...

AT 1025 PM...A LINE OF STRONG THUNDERSTORMS WAS LOCATED FROM PURVIS TO
SHUBUTA TO NEAR MERIDIAN. THESE STORMS WERE MOVING NORTHEAST AT 60 MPH
AND WERE ASSOCIATED WITH DAMAGING WIND..LIGHTNING AND HEAVY RAIN. A
SEVERE THUNDERSTORM NEAR PURVIS HAD RESULTED IN DOWNED TREES IN THE AREA.
LINE MOVEMENT WAS NEAR 10 MPH.

THE LINE OF THUNDERSTORMS WAS LOCATED OVER NORTHWEST MISSISSIPPI AND WAS
MOVING TO THE EAST AT 10 MPH. THE THUNDERSTORMS WERE DECREASING IN
NUMBER AND INTENSITY AND WERE LOCATED FROM NEAR HOLLY BLUFF TO TUPELO.
SCATTERED SHOWERS AND THUNDERSTORMS WERE ALSO OCCURRING OVER
SOUTHWEST MISSISSIPPI FROM VICKSBURG TO JACKSON TO COLUMBIA AND
EXTENDED INTO EASTERN LOUISIANA.
Special weather statement, Feb 15, 11:13 PM CST, 1 hour 16 minutes before
MSZALL-160600-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1105 PM CST THU FEB 15 1990

...TORNADO WATCH NUMBER 42 REMAINS IN EFFECT FOR EAST CENTRAL AND SOUTH
EAST MISSISSIPPI UNTIL 4 AM...

...TORNADO WATCH NUMBER 40 REMAINS IN EFFECT SOUTHEAST OF A LINE FROM
GREENVILLE TO OXFORD TO RIPLEY UNTIL MIDNIGHT...

AT 1100 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM WEST CENTRAL
ALABAMA TO HATTIESBURG TO NEAR GREENSBURG LOUISIANA. THE STORMS WERE
MOVING AT 60 MPH WITH LINE MOVEMENT NEAR 10 MPH. THESE STORMS MAY
PRODUCE HEAVY RAIN..DAMAGING WIND..LIGHTNING AND HAIL. RESIDENTS IN THIS
AREA SHOULD REMAIN ALERT TO CURRENT WEATHER CONDITIONS.

A WIDE BAND OF SHOWERS AND THUNDERSTORMS WAS LOCATED FROM NORTHEAST
TO CENTRAL MISSISSIPPI AND EXTENDED INTO CENTRAL LOUISIANA. THESE STORMS
WERE ALSO MOVING NORTHEAST ABOUT 60 MPH.

THE COLD FRONT OVER CENTRAL ARKANSAS CONTINUES TO MOVE VERY SLOWLY
TO THE SOUTHEAST. THUNDERSTORM ACTIVITY WILL ALSO CONTINUE OVER
MISSISSIPPI IN THE MOIST AND UNSTABLE SOUTHERLY FLOW AHEAD OF THE FRONT.
Local storm report, Feb 15, 11:15 PM CST, 1 hour 14 minutes before
STORM REPORTS
NATIONAL WEATHER SERVICE JACKSON MS
1115 PM CST THU FEB 15 1990

445 PM...JACKSON...GOLFBALL SIZE HAILAT CLINTON BLVD (UNNAMED CITIZEN)

445 PM...PARCHMAN...PEA TO MARBLE SIZE HAIL (SUNFLOWER COUNTY CD)

440 PM...JACKSON...GOLFBALL TO BASEBALL SIZE HAIL (UNNAMED CITIZEN)

440 PM...NATCHEZ...HIGHS WINDS IN EXCESS OF 75 MPH MEASURED BY
         INTERNATIONAL PAPER COMPANY. TOP AND SIDES BLOWN OFF TIN
         STORAGE BUILDING BUT NO TORNADO SIGHTED. LOCAL FLOODING IN LOW
         AREAS..13 INCHES STANDING ON ROAD. NUMEROUS MUD SLIDES (ADAMS
         COUNTY EOC)

336 PM...RALEIGH...ONE TRAILER FLOODED (RALEIGH PD)

200 PM...MCCOMB...FUNNEL CLOUD IN SOUTHERN MCCOMB (PIKE COUNTY CD)
<
910 AM...BUSHY SPRINGS...TREES DOWN. TWO HOMES DAMAGED 7 MI E OF
         CRYSTAL SPRINGS (JACKSON HINDS EOC)

958 AM...BUSHY SPRINGS...1 HOUSE DESTROYED. 8 LIGHT TO MODERATE DAMAGE.
         TREES AND POWER LINES DOWN. ROADS BLOCKED.

605 PM...STONEVILLE (WASHINGTON CO)...NICKEL SIZED HAIL (WEATHER SERVICE
         EMPLOYEE).

635 PM...SCHLATER (LEFLORE CO)...DIME SIZED HAIL (GREENWOOD LEFLORE
         C.D.)
626 PM...SUNFLOWER (SUNFLOWER CO)...GOLFBALL SIZED HAIL (SUNFLOWER P.D.)

1010 PM...BAXTERVILLE (LAMAR CO)...SEVERAL TREES DOWN (HATTIESBURG MPH)

330 PM...MAGEE (SIMPSON CO)...EVACUATING HOUSES...FLOODING (MAGEE P.D.)
Special weather statement, Feb 15, 11:46 PM CST, 43 minutes before
MSZALL-160600-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
1145 PM CST THU FEB 15 1990

...TORNADO WATCH NUMBER 42 REMAINS IN EFFECT FOR EAST CENTRAL AND SOUTH
EAST MISSISSIPPI UNTIL 4 AM...

...TORNADO WATCH NUMBER 40 IN EFFECT SOUTHEAST OF A LINE FROM GREENVILLE
TO OXFORD TO RIPLEY UNTIL MIDNIGHT...

AT 1125 PM...A LINE OF STRONG THUNDERSTORMS EXTENDED FROM WEST CENTRAL
ALABAMA TO HATTIESBURG TO NEAR GREENSBURG LOUISIANA. THE STORMS WERE
MOVING AT 60 MPH WITH LINE MOVEMENT NEAR 10 MPH. THESE STORMS MAY
PRODUCE HEAVY RAIN..DAMAGING WIND..LIGHTNING AND HAIL. RESIDENTS IN THIS
AREA SHOULD REMAIN ALERT TO CURRENT WEATHER CONDITIONS.

SCATTERD SHOWERS AND THUNDERSTORMS WERE INDICATED FROM NORTHEAST TO
SOUTHWEST MISSISSIPPI AND EXTENDED INTO CENTRAL LOUISIANA. THESE STORMS
WERE MOVING TO THE NORTHEAST ABOUT 40 MPH.
Special weather statement, Feb 16, 12:17 AM CST, 12 minutes before
MSZALL-160700-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1201 AM CST FRI FEB 16 1990

...TORNADO WATCH NO. 40 FOR MUCH OF NORTH MISSISSIPPI HAS EXPIRED AND
IS NO LONGER IN EFFECT...

...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...

A COLD FRONT ACROSS SOUTHEAST ARKANSAS CONTINUES TO DRIFT SLOWLY TOWARD
MISSISSIPPI..PUMPING WARM AND UNSTABLE AIR OVER THE REGION.

A LINE OF THUNDERSTORMS WAS LOCATED OVER SOUTHEAST MISSISSIPPI AND
EXTENDED FROM NEAR GREENSBURG LOUISIANA TO PRENTISS TO MERIDIAN TO
WEST CENTRAL ALABAMA. THE STORMS WERE MOVING TO THE NORTHEAST NEAR 50
MPH. A SEVERE THUNDERSTORM WAS LOCATED NEAR COLLINS. THESE STORMS ARE
CAPABLE OF PRODUCING HEAVY RAIN..DAMAGING WIND..LIGHTNING AND HAIL.
RESIDENTS SHOULD BE PREPARED TO TAKE SHELTER# SHOULD DANGEROUS CONDITIONS
APPROACH.
Special weather statement, Feb 16, 12:22 AM CST, 7 minutes before
MSZ009-012-ALZ008-013-160730-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
1205 PM CST THU FEB 15 1990

TORNADO WATCHES NUMBER 42 AND 43 REMAIN EFFECT FOR ALL OF EAST CENTRAL
MISSISSIPPI AND EXTREME WEST ALABAMA UNTIL 400 AM.

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

FLASH FLOOD WARNINGS CONTINUE FOR UNTIL 1245 AM FOR NOXUBEE AND LAUDERDALE
COUNTIES...UNTIL 100 AM FOR NESHOBA AND KEMPER COUNTIES...130 AM FOR NEWTON
COUNTY.

AT 1201 AM RADAR INDICATED AN AREA OF THUNDERSTORMS COVERING MOST OF
EAST CENTRAL MISSISSIPPI AND EXTREME WEST CENTRAL ALABAMA. THE ACTIVITY
WAS MOVING NORTHEAST AT 35 MPH.

EVERYONE IN EAST CENTRAL MISSISSIPPI AND WEST CENTRAL ALABAMA SHOULD

REMAIN WEATHER ALERT AND LISTEN FOR POSSIBLE WARNINGS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS
OF FLASH FLOODING. MOVE TO HIGHER GROUND TO ESCAPE F'LOOD WATERS. DO NOT
DRIVE INTO FLOODED ROADWAYS.

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, 12:30 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.