Alert archive / Mississippi / Flash Flood Warnings in 2001

Flash Flood Warning 63, NWS Jackson, MS

September 2, 2001Jasper County, Mississippi

NWS Jackson, MS issued this flash flood warning at Sep 2, 2001, 6:27 AM CDT for Jasper 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued
Sep 2, 2001, 6:27 AM CDT (11:27 UTC)
Expired
Sep 2, 2001, 9:30 AM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Jasper County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 11.5 hours before the alert went out and 109 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 2001-09-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 962 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 2001-09-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 142 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
962 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
672 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
142 m²/s²
0-3 km storm-relative helicity
233 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KJAN 021129
FFWJAN
MSC061-021430-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
627 AM CDT SUN SEP 2 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JASPER COUNTY IN EAST CENTRAL MISSISSIPPI

* UNTIL 930 AM CDT

* AT 626 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED   
THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER JASPER COUNTY...MOVING 
NORTHEAST AT 20 MPH. RADAR ESTIMATED THAT JUST OVER 3 INCHES OF RAIN 
HAD FALLEN DURING THE PAST 3 HOURS. SHERIFFS OFFICE REPORTED SOME 
MINOR FLOODING AROUND ROSE HILL. MORE SHOWERS AND THUNDERSTORMS ARE 
EXPECTED TO MOVE NORTHEAST ACROSS THE COUNTY WITH AN ADDITIONAL 1 TO 
3 INCHES OF RAIN POSSIBLE.

MOST DEATHS IN FLASH FLOODING OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.

LAT...LON 3191 8890 3188 8909 3203 8916 3213 8891

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 2, 7:20 AM CDTFlash Flood WarningJANNeshoba115 min
Sep 2, 8:33 AM CDTFlash Flood WarningJANClarke117 min
Sep 2, 8:38 AM CDTFlash Flood WarningJANLamar2 hr
Sep 2, 8:52 AM CDTFlash Flood WarningJANLeake113 min
Sep 2, 9:12 AM CDTFlash Flood WarningJANKemper, Neshoba2 hr

Nearby

Flash Flood Warnings in Mississippi, 2001Every flash flood warning in 2001

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.