Alert archive / Mississippi / Flash Flood Warnings in 2002

Flash Flood Warning 39, NWS Jackson, MS

September 26, 200211 counties in Mississippi

NWS Jackson, MS issued this flash flood warning at Sep 26, 2002, 12:32 PM CDT for 11 counties in Mississippi. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 26, 2002, 12:32 PM CDT (17:32 UTC)
Expired
Sep 26, 2002, 3:00 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

Counties Bolivar County, MS, Carroll County, MS, Grenada County, MS, Holmes County, MS, Humphreys County, MS, Issaquena County, MS, Leflore County, MS, Montgomery County, MS, Sharkey County, MS, Sunflower County, MS, Washington County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 5.5 hours before the alert went out and 121 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 2002-09-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2002-09-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 344 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
629 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
344 m²/s²
0-3 km storm-relative helicity
716 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 
WGUS54 KJAN 261732 CCA
FFWJAN
MSC011-015-043-051-053-055-083-097-125-133-151-262000-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING...CORRECTED ISSUANCE TIME
NATIONAL WEATHER SERVICE JACKSON MS
1205 PM CDT THU SEP 26 2002

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  BOLIVAR COUNTY IN NORTHWEST MISSISSIPPI
  SUNFLOWER COUNTY IN NORTHWEST MISSISSIPPI
  GRENADA COUNTY IN NORTH CENTRAL MISSISSIPPI
  LEFLORE COUNTY IN NORTH CENTRAL MISSISSIPPI
  CARROLL COUNTY IN NORTH CENTRAL MISSISSIPPI
  MONTGOMERY COUNTY IN NORTH CENTRAL MISSISSIPPI
  WASHINGTON COUNTY IN NORTHWEST MISSISSIPPI
  HOLMES COUNTY IN CENTRAL MISSISSIPPI
  HUMPHREYS COUNTY IN CENTRAL MISSISSIPPI
  SHARKEY COUNTY IN WEST CENTRAL MISSISSIPPI
  ISSAQUENA COUNTY IN WEST CENTRAL MISSISSIPPI

* UNTIL 300 PM CDT

* AT 1159 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED 
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM 7 MILES 
  NORTHWEST OF WINONA TO 20 MILES SOUTHWEST OF YAZOO CITY...
  MOVING NORTHWEST AT 15 MPH.

NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED RAINFALL AMOUNTS OF 
NEAR ONE INCH AN HOUR IN THESE STORMS. BANDS OF HEAVY RAINFALL WILL 
MOVE OVER THIS AREA DURING THE NEXT FEW HOURS. WITH SOILS ALREADY 
NEAR SATURATION...THIS ADDITIONAL RAINFALL COULD PRODUCE FLASH 
FLOODING. WATER CAN POND RAPIDLY ON ROADWAYS. THEREFORE...MOTORISTS
SHOULD EXERCISE EXTREME CAUTION. 

LAT...LON 3366 8967 3261 9060 3264 9102 3304 9103
          3310 9108 3317 9108 3355 9104 3421 9070

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 26, 12:05 AM CDTFlash Flood WarningJANBolivar, Carroll, Grenada, Holmes, Humphreys, Issaquena and 5 more15 hr
Sep 26, 2:45 AM CDTFlash Flood WarningJANForrest, Lamar, Marion4 hr
Sep 26, 6:08 AM CDTSevere Thunderstorm WarningJANForrest, Lamar32 min
Sep 26, 6:39 AM CDTFlash Flood WarningJANCopiah, Franklin, Lincoln3 hr
Sep 26, 7:59 AM CDTFlash Flood WarningJANClaiborne, Hinds, Jefferson, Madison2 hr
Sep 26, 8:16 AM CDTFlash Flood WarningJANClarke, Jasper, Kemper, Lauderdale, Leake, Neshoba and 4 more3 hr
Sep 26, 9:28 AM CDTFlash Flood WarningJANCopiah, Franklin, Lincoln3 hr
Sep 26, 9:56 AM CDTFlash Flood WarningJANClaiborne, Hinds, Madison, Rankin, Warren, Yazoo3 hr
Sep 26, 12:05 PM CDTFlash Flood WarningJANBolivar, Carroll, Grenada, Holmes, Humphreys, Issaquena and 5 more3 hr
Sep 26, 12:17 PM CDTFlash Flood WarningJANClaiborne, Copiah, Franklin, Jefferson, Lincoln3 hr
Sep 26, 12:56 PM CDTFlash Flood WarningJANHinds, Warren, Yazoo2 hr
Sep 26, 3:01 PM CDTFlash Flood WarningJANBolivar, Carroll, Grenada, Holmes, Humphreys, Issaquena and 5 more3 hr

Nearby

Flash Flood Warnings in Mississippi, 2002Every flash flood warning in 2002

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.