Alert archive / Mississippi / Flash Flood Warnings in 1990

Flash Flood Warning 8, NWS Jackson, MS

February 15, 1990Lauderdale County, Mississippi

NWS Jackson, MS issued this flash flood warning at Feb 15, 1990, 12:21 PM CST for Lauderdale County, Mississippi. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Feb 15, 1990, 12:21 PM CST (18:21 UTC)
Expired
Feb 15, 1990, 2:30 PM CST
In force
2 hr
Issued by
NWS Jackson, MS
Area
Whole counties

County Lauderdale 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 12:00Z, 6.4 hours before the alert went out and 134 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 12:00Z on 1990-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1189 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 12:00Z on 1990-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.193958Sfc1 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
1189 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
728 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
178 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEI 151823
FFWMEI
MSC075-152030-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
1221 PM CST THU FEB 15 1990
 
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  230 PM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL MISSISSIPPI
          ...LAUDERDALE
 
AT 1220 PM CST 2.30 INCHES OF RAIN HAD OCCURED AT THE MERIDIAN
AIRPORT DURING THE LAST TWO HOURS. STREET FLOODING HAS BEEN REPORTED
IN AND AROUND MERIDIAN MISSISSIPPI.
 
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATTER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Feb 15, 9:54 AM CST, 2 hours 27 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, 1 hour 45 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)
Local storm report, Feb 15, 10:55 AM CST, 1 hour 26 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
1054 AM CST THU FEB 15 1990

1030 AM CST...WEATHER SERVICE EMPLOYEE REPORTED NICKLE SIZE HAIL
              ON I20 1 MILE WEST OF NEWTON IN NEWTON COUNTY
              MISSISSIPPI.
Local storm report, Feb 15, 12:07 PM CST, 14 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
1205 PM CST THU FEB 15 1990

940 AM CST...NESHOBA COUNTY CIVIL DEFENSE REPORTED NUMEROUS
             TREES DOWN IN THE SOUTHWEST CORNER OF NESHOBA4
             COUNTY MISSISSIPPI.
Special weather statement, Feb 15, 12:11 PM CST, 10 minutes before
MSZALL-151900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1210 PM CST THU FEB 15 1990

...TORNADO WATCH REMAINS IN EFFECT UNTIL 5 PM FOR PORTIONS OF CENTRAL
AND SOUTH MISSISSIPPI...

AT 1205 PM CST RADAR SHOWED SCATTERED THUNDERSTORMS WITH HEAVY RAIN
OVER THE SOUTHERN TWO THIRDS OF MISSISSIPPI. THE STRONGER THUNDERSTORMS
WERE FROM LIBERTY MISSISSIPI TO NORTHEAST OF BROOKHAVEN...NEAR
CARTHAGE AND JUST NORTHWEST OF CRYSTAL SPRINGS. THE THUNDERSTORMS WERE
MOVING TO THE NORTHEAST AT 40 MPH.

A THUNDERSTORM OVER ST LANDRY PARRISH IN SOUTHEAST LOUISIANA MAY HAVE
PRODUCED A TORNADO. THIS THUNDERSTORM CONTAINING THE POSSIBLE TORNADO
WILL MOVE INTO WILKINSON COUNTY IN SOUTHWEST MISSISSIPPI AROUND 1230 PM.
PERSONS IN WILKINSON COUNTY SHOULD REMAIN ALERT IN CASE A WARNING IS ISSUED.
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
LAT=ER TODAY AND TONIGHT.

ALL INTERESTS IN MISSISSIPPI SHOULD STAY ABREAST OF DEVELOPING WEATHER
CONDITIONS TODAY AND TONIGHT.
Special weather statement, Feb 15, 12:12 PM CST, 9 minutes before
MSZALL-151900-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1210 PM CST THU FEB 15 1990

...TORNADO WATCH REMAINS IN EFFECT UNTIL 5 PM FOR PORTIONS OF CENTRAL
AND SOUTH MISSISSIPPI...

AT 1205 PM CST RADAR SHOWED SCATTERED THUNDERSTORMS WITH HEAVY RAIN
OVER THE SOUTHERN TWO THIRDS OF MISSISSIPPI. THE STRONGER THUNDERSTORMS
WERE FROM LIBERTY MISSISSIPI TO NORTHEAST OF BROOKHAVEN...NEAR
CARTHAGE AND JUST NORTHWEST OF CRYSTAL SPRINGS. THE THUNDERSTORMS WERE
MOVING TO THE NORTHEAST AT 40 MPH.

A THUNDERSTORM OVER ST LANDRY PARRISH IN SOUTHEAST LOUISIANA MAY HAVE
PRODUCED A TORNADO. THIS THUNDERSTORM CONTAINING THE POSSIBLE TORNADO
WILL MOVE INTO WILKINSON COUNTY IN SOUTHW>EST MISSISSIPPI AROUND 1230 PM.
PERSONS IN WILKINSON COUNTY SHOULD REMAIN ALERT IN CASE A WARNING IS ISSUED.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 9:27 AM CSTSevere Thunderstorm WarningJANNeshoba33 min
Feb 15, 10:11 AM CSTSevere Thunderstorm WarningJANNewton34 min
Feb 15, 10:25 AM CSTSevere Thunderstorm WarningJANJasper35 min
Feb 15, 10:28 AM CSTSevere Thunderstorm WarningJANLauderdale47 min
Feb 15, 10:42 AM CSTSevere Thunderstorm WarningJANKemper33 min
Feb 15, 10:42 AM CSTSevere Thunderstorm WarningJANHinds, Warren48 min
Feb 15, 11:03 AM CSTSevere Thunderstorm WarningJANJasper27 min
Feb 15, 11:15 AM CSTSevere Thunderstorm WarningJANClarke, Lauderdale60 min
Feb 15, 12:27 PM CSTSevere Thunderstorm WarningJANJasper33 min
Feb 15, 12:40 PM CSTSevere Thunderstorm WarningJANNewton35 min
Feb 15, 12:45 PM CSTSevere Thunderstorm WarningJANSimpson, Smith45 min
Feb 15, 12:52 PM CSTTornado WarningJANLauderdale38 min
Feb 15, 12:55 PM CSTTornado WarningJANAmite50 min
Feb 15, 12:59 PM CSTTornado WarningJANSimpson, Smith31 min
Feb 15, 1:11 PM CSTTornado WarningJANJefferson Davis34 min
Feb 15, 1:21 PM CSTTornado WarningJANScott24 min
Feb 15, 1:24 PM CSTTornado WarningJANJasper, Newton51 min
Feb 15, 1:28 PM CSTTornado WarningJANLauderdale32 min
Feb 15, 1:33 PM CSTTornado WarningJANCovington, Smith27 min
Feb 15, 1:42 PM CSTTornado WarningJANKemper48 min
Feb 15, 1:47 PM CSTTornado WarningJANPike18 min
Feb 15, 1:59 PM CSTTornado WarningJANSmith31 min
Feb 15, 2:01 PM CSTTornado WarningJANLauderdale44 min
Feb 15, 2:05 PM CSTTornado WarningJANLawrence, Lincoln25 min
Feb 15, 2:26 PM CSTTornado WarningJANJasper49 min
Feb 15, 2:37 PM CSTSevere Thunderstorm WarningJANSmith38 min
Feb 15, 2:37 PM CSTSevere Thunderstorm WarningJANCovington23 min
Feb 15, 2:45 PM CSTFlash Flood WarningJANSmith3 hr
Feb 15, 2:45 PM CSTFlash Flood WarningJANCovington, Jefferson Davis, Lawrence, Simpson3 hr
Feb 15, 2:49 PM CSTFlash Flood WarningJANLauderdale6 hr
Feb 15, 2:51 PM CSTTornado WarningJANLauderdale54 min
Feb 15, 3:41 PM CSTTornado WarningJANJasper49 min
Feb 15, 3:59 PM CSTSevere Thunderstorm WarningJANLauderdale46 min
Feb 15, 4:16 PM CSTSevere Thunderstorm WarningJANAdams, Jefferson29 min
Feb 15, 4:29 PM CSTSevere Thunderstorm WarningJANBolivar31 min
Feb 15, 4:51 PM CSTSevere Thunderstorm WarningJANHinds39 min
Feb 15, 5:03 PM CSTFlash Flood WarningJANJasper6 hr
Feb 15, 5:48 PM CSTSevere Thunderstorm WarningJANWashington27 min

Nearby

Flash Flood Warnings in Mississippi, 1990Every flash flood 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.