Alert archive / Mississippi / Flash Flood Warnings in 1990

Flash Flood Warning 17, NWS Jackson, MS

February 15, 1990Newton County, Mississippi

NWS Jackson, MS issued this flash flood warning at Feb 15, 1990, 7:28 PM CST for Newton County, Mississippi. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Feb 15, 1990, 7:28 PM CST (01:28 UTC)
Expired
Feb 16, 1990, 1:30 AM CST
In force
6 hr
Issued by
NWS Jackson, MS
Area
Whole counties

County Newton 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, 1.5 hours before the alert went out and 91 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 160129
FFWMEI
MSC101-160730-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
728 PM CST THU FEB 15 1990
 
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  130 AM CST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN EAST CENTRAL MISSISSIPPI
          ...NEWTON
 
RAINFALL TOTALS OF ABOUT 6.00 INCHES HAVE FALLEN ON NEWTON COUNTY
MISSISSIPPI DURING THE PAST 6 HOURS AND MORE HEAVY RAINFALL IS ON THE
WAY. THIS WILL CAUSE FLOODING OF LOW AREAS AND SOME ROADWAYS.
 
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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, 6:13 PM CST, 1 hour 15 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
610 PM CST THU FEB 15 1990

LATE REPORT

310 PM CST...15 PECAN TREES DOWN AND AWNING BLOWEN OFF HOUSE 4 MILES
             SOUTH OF MERIDIAN.  LAU%DERDALE COUNTY.
Special weather statement, Feb 15, 6:22 PM CST, 1 hour 6 minutes before
MSZALL-160100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
615 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 610 PM CST...LARGE AREAS OF RAIN CONTINUED OVER CENTRAL AND NORTHWEST
MISSISSIPPI.  THERE WERE SCATTERED EMBEDDED THUNDERSTORMS WITHIN THESE
AREAS OF RAIN...AND THE STRONGEST STORM WAS MOVING ACROSS SUNFLOWER
COUNTY APPROACHING RULEVILLE AND DODDSVILLE.  THIS STORM HAS BEEN
TORNADIC IN THE PAST...AND RADAR INDICATES IT MAY STILL BE TORNADIC.

THERE HAVE BEEN NUMEROUS REPORTS OF FUNNEL CLOUDS FROM SOUTHERN SUN-
FLOWER COUNTY ACROSS LEFLORE COUNTY SINCE 5 PM.  THERE HAVE BEEN NO
KNOWN CONFIRMED TORNADOES IN THIS AREA AT THIS TIME.  NICKEL SIZE
HAIL HAS BEEN REPORTED DURING THE PAST HALF HOUR IN STONEVILLE.

THE INDIVIDUAL STORMS CONTINUE MOVING NORTHEAST AROUND 45 MPH...BUT
THE LINE OF STORMS IN NORTHWEST MISSISSIPPI IS MOVING EAST AT 20 MPH.

THE RAIN AREA OVER CENTRAL MISSISSIPPI HAS BEEN SHRINKING AND BECOMING
LESS INTENSE.  HOWEVER...THERE ARE STILL EMBEDDED THUNDERSTORMS IN
THIS RAIN A<REA WHICH MAY PRODUCE LOCALLY HEAVY RAIN.  THIS AREA IS
MOVING NORTHEAST SLOWLY BUT IS DECREASING IN AREAL COVERAGE.
Special weather statement, Feb 15, 6:46 PM CST, 42 minutes before
MSZALL-160100-

SPECIAL WEATHER STATEMENT
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 CENTRAL AND EAST CENwTRAL 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, 6:47 PM CST, 41 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, 9 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, 3 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.

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, 7:33 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
Feb 16, 5:05 AM CSTSevere Thunderstorm WarningJANLamar, Marion25 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.