Alert archive / Mississippi / Flash Flood Warnings in 1997

Flash Flood Warning 4, NWS Jackson, MS

March 2, 1997Leflore County, Mississippi

NWS Jackson, MS issued this flash flood warning at Mar 2, 1997, 8:44 PM CST for Leflore County, Mississippi. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 2, 1997, 8:44 PM CST (02:44 UTC)
Expired
Mar 2, 1997, 11:45 PM CST
In force
3 hr
Issued by
NWS Jackson, MS
Area
Whole counties

County Leflore County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 2.7 hours before the alert went out and 138 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 1997-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1465 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 1997-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 294 square meters per square second.1939587897117Sfc1 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
1465 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
676 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
294 m²/s²
0-3 km storm-relative helicity
345 m²/s²
Significant tornado parameter
3.1
Supercell composite
11.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KJAN 030245
FFWJAN
MSC083-030545-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
844 PM CST SUN MAR 2 1997
 
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 1145 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN NORTH CENTRAL MISSISSIPPI
 
   ...LEFLORE COUNTY
 
AT 840 PM LEFLORE COUNTY CIVIL DEFENSE REPORTS FLOODING OF STREETS IN
THE GREENWOOD AREA. RADAR ESTIMATES IN THE PAST THREE HOURS HAVE
INDICATED AS MUCH AS ONE AND A HALF INCHES HAS FALLEN.
 
ADDITIONAL HEAVY RAIN FROM APPROACHING THUNDERSTORMS MAY PRODUCE AN
ADDITIONAL HALF TO ONE INCH WHICH WILL ONLY AGGRAVATE RUNOFF.
 
A FLASH FLOOD WARNING MEANS THAT FLBOODING IS OCCURRING OR IS
IMMINENT.  DO NOT STAY IN AREAS SUBJECT TO FLASH FLOODING WHEN
WATER BEGINS RISING.  MOVE TO HIGHER GROUND.
<
 
74
 
&

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 2, 6:17 PM CSTFlash Flood WarningJANYazoo3 hr
Mar 2, 6:23 PM CSTSevere Thunderstorm WarningJANCarroll37 min
Mar 2, 6:34 PM CSTSevere Thunderstorm WarningJANMontgomery26 min
Mar 2, 6:51 PM CSTFlash Flood WarningJANCarroll, Holmes3 hr
Mar 2, 7:11 PM CSTFlash Flood WarningJANMontgomery, Webster3 hr

Nearby

Flash Flood Warnings in Mississippi, 1997Every flash flood warning in 1997

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.