Alert archive / Mississippi / Flash Flood Warnings in 2003

Flash Flood Warning 64, NWS Jackson, MS

June 11, 20034 counties in Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 11, 2003, 11:03 PM CDT for 4 counties in 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 as issued.

The facts

Issued
Jun 11, 2003, 11:03 PM CDT (04:03 UTC)
Expired
Jun 12, 2003, 2:00 AM CDT
In force
3 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

Counties Carroll County, MS, Holmes County, MS, Leflore County, MS, Sunflower County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 4.1 hours before the alert went out and 123 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 2003-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1555 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Jackson, MS at 00:00Z on 2003-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 153 square meters per square second.1939Sfc1 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
1555 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1169 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
153 m²/s²
0-3 km storm-relative helicity
199 m²/s²
Significant tornado parameter
0.7
Supercell composite
4.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KJAN 120405
FFWJAN
MSC015-051-083-133-120700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1103 PM CDT WED JUN 11 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SUNFLOWER COUNTY IN NORTHWEST MISSISSIPPI
  LEFLORE COUNTY IN NORTH CENTRAL MISSISSIPPI
  CARROLL COUNTY IN NORTH CENTRAL MISSISSIPPI
  HOLMES COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 200 AM CDT

* AT 1103 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED           
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN MOVING REPEATEDLY OVER     
  SUNFLOWER...LEFLORE...CARROLL...AND NORTHERN HOLMES COUNTIES. 

  RADAR ESTIMATES THAT RAINFALL AMOUNTS OF UP TO 5 INCHES HAVE       
  FALLEN OVER THE WARNING AREA. AN ADDITIONAL 2 TO 3 INCHES OF RAIN  
  IS POSSIBLE IN THIS AREA. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE   
DANGERS OF FLOODS AND FLASH FLOODS.

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 3377 9063 3330 9075 3335 9045 3327 9023
          3298 8996 3338 8972

$$
1 follow-up statement
000 
WGUS74 KJAN 120603
FFSJAN
MSC015-051-083-133-120700-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
100 AM CDT THU JUN 12 2003

FLASH FLOOD WARNING HAS BEEN CANCELED FOR...

SUNFLOWER COUNTY IN NORTHWEST MISSISSIPPI
LEFLORE COUNTY IN NORTH CENTRAL MISSISSIPPI
CARROLL COUNTY IN NORTH CENTRAL MISSISSIPPI
HOLMES COUNTY IN CENTRAL MISSISSIPPI

AT 100 AM CDT...RADAR INDICATED THAT THE STRONG THUNDERSTORMS 
PRODUCING HEAVY RAINFALL HAD MOVED SOUTH OF THE THESE COUNTIES. 
ADDITIONAL RAINFALL SHOULD BE LESS THAN ONE QUARTER OF AN INCH
THROUGH 3 AM. PONDING OF WATER ON ROADS SHOULD ALSO BE SUBSIDING 
HOWEVER ADDITIONAL RAIN AND THUNDERSTORMS DEVELOPING OVER SOUTHERN 
ARKANSAS COULD MOVE BACK INTO THE REGION FROM THE WEST LATER DURING 
THE EARLY MORNING HOURS. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 11, 7:00 PM CDTSevere Thunderstorm WarningJANGrenada40 min
Jun 11, 7:27 PM CDTSevere Thunderstorm WarningJANBolivar63 min
Jun 11, 7:56 PM CDTSevere Thunderstorm WarningJANGrenada59 min
Jun 11, 7:59 PM CDTFlash Flood WarningJANGrenada3 hr
Jun 11, 8:08 PM CDTSevere Thunderstorm WarningJANClay42 min
Jun 11, 8:09 PM CDTSevere Thunderstorm WarningJANLeflore, Sunflower61 min
Jun 11, 8:25 PM CDTFlash Flood WarningJANLeflore3 hr
Jun 11, 8:47 PM CDTSevere Thunderstorm WarningJANCarroll58 min
Jun 11, 9:36 PM CDTSevere Thunderstorm WarningJANBolivar59 min
Jun 11, 10:28 PM CDTSevere Thunderstorm WarningJANSunflower42 min
Jun 11, 11:37 PM CDTSevere Thunderstorm WarningJANHumphreys, Sharkey43 min
Jun 12, 9:13 AM CDTSevere Thunderstorm WarningJANAdams57 min
Jun 12, 9:58 AM CDTSevere Thunderstorm WarningJANForrest42 min
Jun 12, 11:17 AM CDTSevere Thunderstorm WarningJANJefferson Davis, Simpson43 min
Jun 12, 11:19 AM CDTSevere Thunderstorm WarningJANLawrence31 min
Jun 12, 11:23 AM CDTSevere Thunderstorm WarningJANSmith47 min
Jun 12, 4:06 PM CDTSevere Thunderstorm WarningJANAdams59 min

Nearby

Flash Flood Warnings in Mississippi, 2003Every flash flood warning in 2003

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.