Alert archive / Mississippi / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 36, NWS Jackson, MS

February 15, 1990Kemper County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Feb 15, 1990, 10:42 AM CST for Kemper County, Mississippi. It was in force for 33 min.

The area

The counties it named.

The facts

Issued: Feb 15, 1990, 10:42 AM CST (16:42 UTC)
Expired: Feb 15, 1990, 11:15 AM CST
In force: 33 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Kemper 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

Centreville/Bibb, AL (KCKL), launched 12:00Z, 4.7 hours before the alert went out and 136 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 8 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 608 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 257 m²/s²
0-3 km storm-relative helicity: 402 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEI 151643
SVRMEI
MSC069-151715-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
1042 AM CST THU FEB 15 1990
 
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1115 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL MISSISSIPPI
          ...KEMPER
 
AT 1041 AM CST RADAR SHOWED A SEVERE THUNDERSTORM 15 MILES SOUTHWEST
OF DE KALB MS. MOVING NORTHEAST AT 35 MPH.
 
WHEN 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
HAS 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, Feb 15, 6:10 AM CST, 4 hours 32 minutes before

MSZALL-161200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
610 AM CST THU FEB 15 1990

...STORMY WEATHER EXPECTED ACROSS ALL OF MISSISSIPPI TODAY AND
TONIGHT...

VERY MOIST UNSTABLE AIR COMBINED WITH AN APPROACHING COLD FRONT WILL
RESULT IN NUMEROUS THUNDERSTORMS ACROSS MISSISSIPPI TODAY AND TONIGHT.
THE THREAT OF THUNDERSTORMS WILL CONTINUE UNTIL AROUND MIDNIGHT ALONG
THE MISSISSIPPI RIVER AND UNTIL THE MORNING HOURS OF FRIDAY ACROSS THE
EASTERN COUNTIES.

THESE THUNDERSTORMS COULD PRODUCE IN EXCESS OF TWO INCHES OF RAIN OVER
MOST OF THE STATE.  HOWEVER...THE GREATEST THREAT OF HEAVY RAIN WILL BE
GENERALLY ALONG AND NORTH OF A HOLLANDALE TO COLUMBUS LINE WHERE A FLASH
FLOOD WATCH IS IN EFFECT TODAY AND TONIGHT.

IN ADDITION TO THE HEAVY RAINS...SEVERE THUNDERSTORMS ARE POSSIBLE OVER
ALL OF THE STATE TODAY AND MOST OF TONIGHT.  DUE TO THIS THREAT...IT IS
VERY LIKELY THAT SEVERE WEATHER WATCHES AND WARNINGS WILL BE ISSUED
LATER TODAY AND TONIGHT.

ALL INTERESTS IN MISSISSIPPI SHOULD STAY ABREAST OF DEVELOPING WEATHER
CONDITIONS TODAY AND TONIGHT.

Local storm report, Feb 15, 9:54 AM CST, 48 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
0950 AM CST THU FEB 15 1990

0925 CST...UNION FIRE CHIEF REPORTED TREES AND POWER LINES DOWN...
           MARBLE SIZE HAIL...ROOF OFF BUSINESS IN AND AROUND
           UNION IN NEWTON COUNTY MISSISSIPPI.

Local storm report, Feb 15, 10:36 AM CST, 6 minutes before

STORM REPORTS
NATIONAL WEATHER SERVICE JACKSON MS
1030 AM CST SAT FEB 10 1990

DELAYED STORM REPORT:

BETWEEN 900 AND 930 AM...IN THE BUSHY SPRINGS COMMUNITY ABOUT 7 MILES
        EAST OF CRYSTAL SPRINGS IN COPIAH COUNTY...1 HOUSE TOTALLY
        DESTROYED...8 HOUSES RECEIVING LIGHT TO MODERATE DAMAGE...
        NUMEROUS TREES DOWN...POWER OUTAGE...ROADS BLOCKED.
        (REPORT COURTESY JACKSON-HINDS EOC AND MEMA)

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 15, 9:27 AM CST	Severe Thunderstorm Warning	JAN	Neshoba	33 min
Feb 15, 10:11 AM CST	Severe Thunderstorm Warning	JAN	Newton	34 min
Feb 15, 10:25 AM CST	Severe Thunderstorm Warning	JAN	Jasper	35 min
Feb 15, 10:28 AM CST	Severe Thunderstorm Warning	JAN	Lauderdale	47 min
Feb 15, 10:42 AM CST	Severe Thunderstorm Warning	JAN	Hinds, Warren	48 min
Feb 15, 11:03 AM CST	Severe Thunderstorm Warning	JAN	Jasper	27 min
Feb 15, 11:15 AM CST	Severe Thunderstorm Warning	JAN	Clarke, Lauderdale	60 min
Feb 15, 12:21 PM CST	Flash Flood Warning	JAN	Lauderdale	2 hr
Feb 15, 12:27 PM CST	Severe Thunderstorm Warning	JAN	Jasper	33 min
Feb 15, 12:40 PM CST	Severe Thunderstorm Warning	JAN	Newton	35 min
Feb 15, 12:45 PM CST	Severe Thunderstorm Warning	JAN	Simpson, Smith	45 min
Feb 15, 12:52 PM CST	Tornado Warning	JAN	Lauderdale	38 min
Feb 15, 12:55 PM CST	Tornado Warning	JAN	Amite	50 min
Feb 15, 12:59 PM CST	Tornado Warning	JAN	Simpson, Smith	31 min
Feb 15, 1:11 PM CST	Tornado Warning	JAN	Jefferson Davis	34 min
Feb 15, 1:21 PM CST	Tornado Warning	JAN	Scott	24 min
Feb 15, 1:24 PM CST	Tornado Warning	JAN	Jasper, Newton	51 min
Feb 15, 1:28 PM CST	Tornado Warning	JAN	Lauderdale	32 min
Feb 15, 1:33 PM CST	Tornado Warning	JAN	Covington, Smith	27 min
Feb 15, 1:42 PM CST	Tornado Warning	JAN	Kemper	48 min
Feb 15, 1:47 PM CST	Tornado Warning	JAN	Pike	18 min
Feb 15, 1:59 PM CST	Tornado Warning	JAN	Smith	31 min
Feb 15, 2:01 PM CST	Tornado Warning	JAN	Lauderdale	44 min
Feb 15, 2:05 PM CST	Tornado Warning	JAN	Lawrence, Lincoln	25 min
Feb 15, 2:26 PM CST	Tornado Warning	JAN	Jasper	49 min
Feb 15, 2:37 PM CST	Severe Thunderstorm Warning	JAN	Smith	38 min
Feb 15, 2:37 PM CST	Severe Thunderstorm Warning	JAN	Covington	23 min
Feb 15, 2:45 PM CST	Flash Flood Warning	JAN	Smith	3 hr
Feb 15, 2:45 PM CST	Flash Flood Warning	JAN	Covington, Jefferson Davis, Lawrence, Simpson	3 hr
Feb 15, 2:49 PM CST	Flash Flood Warning	JAN	Lauderdale	6 hr
Feb 15, 2:51 PM CST	Tornado Warning	JAN	Lauderdale	54 min
Feb 15, 3:41 PM CST	Tornado Warning	JAN	Jasper	49 min
Feb 15, 3:59 PM CST	Severe Thunderstorm Warning	JAN	Lauderdale	46 min
Feb 15, 4:16 PM CST	Severe Thunderstorm Warning	JAN	Adams, Jefferson	29 min
Feb 15, 4:29 PM CST	Severe Thunderstorm Warning	JAN	Bolivar	31 min
Feb 15, 4:51 PM CST	Severe Thunderstorm Warning	JAN	Hinds	39 min
Feb 15, 5:03 PM CST	Flash Flood Warning	JAN	Jasper	6 hr
Feb 15, 5:48 PM CST	Severe Thunderstorm Warning	JAN	Washington	27 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1990 Every 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.