Alert archive / Mississippi / Flash Flood Warnings in 1990

Flash Flood Warning 28, NWS Jackson, MS

May 13, 1990Jones County, Mississippi

NWS Jackson, MS issued this flash flood warning at May 13, 1990, 5:07 AM CDT for Jones County, Mississippi. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
May 13, 1990, 5:07 AM CDT (10:07 UTC)
Expired
May 13, 1990, 9:15 AM CDT
In force
4 hr
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, 10.1 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 1990-05-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 1990-05-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
711 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEI 131007 RRA
FFWMEI
MSC067-131415-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MERIDIAN MS
507 AM CDT SUN MAY 13 1990
 
THE NATIONAL WEATHER SERVICE IN MERIDIAN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  915 AM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL MISSISSIPPI
 
   ...JONES COUNTY
 
AT 500 AM CDT THE STAGE OF THE TALLAHALA CREEK IN LAUREL MISSISSIPPI
WAS 13.64 FEET. THE CREEK SHOULD CREST NEAR 14.5 FEET AT 700 AM CDT
THIS SUNDAY MORNING. THEN A SLOW FALL TO BELOW FLOOD STAGE BY 900 AM
CDT SHOULD OCCUR.
 
THE FLASH FLOOD WARNONG FOR WAYNE COUNTY MISSISSIPPI HAS BEEN
CANCELLED.
 
 
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHE\RE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE 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

Special weather statement, May 13, 12:44 AM CDT, 4 hours 23 minutes before
MSZALL-130200

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
1235 AM CDT SUN MAY 13 1990

...TORNADO WATCH REMAINS IN EFFECT ACROSS THE SOUTHERN QUARTER OF
MISSISSIPPI UNTIL 2AM..
...FLASH FLOOD WATCH IN EFFECT FOR THE REMAINDER OF TONIGHT FOR A
PORTION OF SOUTH MISSISSIPPI...

AT 1230 AM..A 50 MILE WIDE BAND OF STRONG THUNDERSTORMS STRETCHED
ACROSS A PORTION OF SOUTH MISSISSIPPI FROM PORT GIBSON TO HATTIESBURG.
THE STRONGEST OF THE STORMS WERE LOCATED NEAR HERMANVILLE...NEAR
GEORGETOWN...AND NEAR BASSFIELD. THESE STORMS ARE PRODUCING VERY HEAVY
RAINFALL...DANGEROUS LIGHTNING...GUSTY WINDS...AND POSSIBLE HAIL AS
THEY MOVE TO THE EAST SOUTHEAST AT 40 MILES AN HOUR.

OTHER THUNDERSTORMS WERE EMBEDDED IN A LARGE AREA OF LIGHT TO MODERATE
WHICH COVERED MOST OF THE SOUTHERN HALF OF MISSISSIPPI. THIS RAIN AREA
WAS GENERALLY ALONG AND SOUTH OF A VICKSBURG...TO COLUMBUS LINE.
<
OTHER THUNDEJRSTORMS ALSO CONTINUE TO DEVELOP TO THE WEST OF THE
MISSISSIPPI RIVER ACROSS CENTRAL LOUISIANA...AND SHOULD BE
AFFECTING SOUTH MISSISSIPPI DURING THE NEXT COUPLE OF HOURS.

MOVEMENT WAS SOUTHEAST AT 30 MILES AN HOUR.
Local storm report, May 13, 12:53 AM CDT, 4 hours 14 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
1253 AM CDT SUN MAY 13 1990

WAYNESBORO P. D. REPORTS MANY STREETS FLOODED FROM 1130 PM SATURDAY
TO 1230 AM SUNDAY...WAYNE COUNTY MISSISSIPPI.
Special weather statement, May 13, 1:42 AM CDT, 3 hours 25 minutes before
MSZALL-130800

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
135 AM CDT SUN MAY 13 1990

...TORNADO WATCH REMAINS IN EFFECT ACROSS THE SOUTHERN QUARTER OF
MISSISSIPPI UNTIL 2AM..
...FLASH FLOOD WATCH IN EFFECT FOR THE REMAINDER OF TONIGHT FOR A
PORTION OF SOUTH MISSISSIPPI...

AT 130 AM..A 30 MILE WIDE BAND OF STRONG THUNDERSTORMS STRETCHED
ACROSS A PORTION OF SOUTH MISSISSIPPI FROM FAYETTE TO LAUREL.  THE
STRONGEST STORMS IN THIS BAND WERE LOCATED BETWEEN BROOKHAVEN AND
COLLINS.  THESES STORMS ARE CONTINUING TO PRODUCE VERY HEAVY RAIN ALONG
WITH..DANGEROUS LIGHTNING...GUSTY WINDS...AND POSSIBLY HAIL.

OTHER THUNDERSTORMS WERE EMBEDDED IN A LARGE AREA OF LIGHT TO MODERATE
WHICH COVERED MOST OF THE SOUTHERN HALF OF MISSISSIPPI. THIS RAIN AREA
WAS GENERALLY ALONG AND SOUTH OF A PORT GIBSON TO MERIDIAN LINE.

MOVEMENT WAS SOUTHEAST AT 40 MILES AN HOUR.
Special weather statement, May 13, 2:08 AM CDT, 2 hours 59 minutes before
MSZALL-130800

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
205 AM CDT SUN MAY 13 1990

...FLASH FLOOD WATCH IN EFFECT FOR THE REMAINDER OF TONIGHT FOR A
PORTION OF SOUTH MISSISSIPPI...

ALTHOUGH THE TORNADO WATCH NUMBER 224 HAS EXPIRED...STRONG THUNDERSTORMS
ARE CONTINUING ACROSS PORTIONS OF SOUTHEAST MISSISSIPPI.  THE STRONGEST
THUNDERSTORMS ARE IN A 30 MILE WIDE BAND WHICH STRETCHES FROM COLLINS
TO JUST NORTH OF HATTIESBURG.  THE THUNDERSTORMS IN THIS BAND ARE
CONTINUING TO PRODUCE VERY HEAVY RAIN ALONG WITH DANGEROUS LIGHTNING...
GUSTY WINDS...AND POSSIBLY HAIL.

OTHER THUNDERSTORMS WERE EMBEDDED IN A LARGE AREA OF LIGHT TO MODERATE
WHICH COVERED MOST OF THE SOUTHERN HALF OF MISSISSIPPI. THIS RAIN AREA
WAS GENERALLY ALONG AND SOUTH OF A PORT GIBSON TO QUITMAN LINE.
<
MOVEMENT WAS SOUTHEAST AT 40 MILES AN HOUR.
Special weather statement, May 13, 2:48 AM CDT, 2 hours 19 minutes before
MSZALL-130900

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE JACKSON MS
235 AM CDT SUN MAY 13 1990

...FLASH FLOOD WATCH IN EFFECT FOR THE REMAINDER OF TONIGHT FOR A
PORTION OF SOUTH MISSISSIPPI...
...THE TORNADO WATCH HAS EXPIRED AND IS NO LONGER IN EFFECT...

AT 225 AM..A 30 MILE WIDE BAND OF STRONG THUNDERSTORMS STRETCHED
ACROSS A PORTION OF SOUTH MISSISSIPPI FROM MCCOMB TO WAYNESBORO.
THE STRONGEST STORMS IN THIS BAND WERE LOCATED FROM NORTHERN MARION
COUNTY TO SOUTHERN WAYNE COUNTY. COLUMBIA AND HATTIESBURG ARE INCLUDED
IN THIS AREA. THESES STORMS ARE CONTINUING TO PRODUCE VERY HEAVY RAIN
ALONG WITH...DANGEROUS LIGHTNING...GUSTY WINDS...AND POSSIBLY HAIL.

OTHER THUNDERSTORMS WERE EMBEDDED IN A LARGE AREA OF LIGHT TO MODERATE
RAIN WHICH COVERED MOST OF THE SOUTHERN HALF OF MISSISSIPPI. THIS RAIN
AREA WAS GENERALLY ALONG AND SOUTH OF A NATCHEZ TO MERIDIAN LINE.
Local storm report, May 13, 4:02 AM CDT, 1 hour 5 minutes before
LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
400 AM CDT SUN MAY 13 1990

LAUREL P. D. REPORTS STREET FLOODING IN JONES COUNTY MISSISSIPPI.
STAGE OF THE TALLAHALA CREEK IN LAUREL AT 400 AM CDT 13.32 FEET.
FLOOD STAGE IS 13.0 FEET.

The office that day

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

IssuedProductOfficeCountiesLasted
May 12, 7:23 PM CDTTornado WarningJANLamar, Marion37 min
May 12, 7:40 PM CDTFlash Flood WarningJANJones5 hr
May 12, 8:35 PM CDTTornado WarningJANLamar, Marion40 min
May 12, 9:31 PM CDTFlash Flood WarningJANForrest3 hr
May 12, 9:58 PM CDTFlash Flood WarningJANCopiah, Covington, Jefferson Davis, Lawrence, Simpson, Smith2 hr
May 12, 9:58 PM CDTFlash Flood WarningJANFranklin, Jefferson, Lincoln2 hr
May 12, 11:16 PM CDTFlash Flood WarningJANWayne6 hr
May 13, 12:18 AM CDTSevere Thunderstorm WarningJANCopiah27 min
May 13, 12:32 AM CDTFlash Flood WarningJANJones5 hr
May 13, 2:24 AM CDTFlash Flood WarningJANClaiborne4 hr

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.