Alert archive / Mississippi / Flash Flood Warnings in 2003

Flash Flood Warning 94, NWS Jackson, MS

July 1, 20036 counties in Mississippi

NWS Jackson, MS issued this flash flood warning at Jul 1, 2003, 12:49 AM CDT for 6 counties in Mississippi. It was in force for 5 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
Jul 1, 2003, 12:49 AM CDT (05:49 UTC)
Expired
Jul 1, 2003, 6:00 AM CDT
In force
5 hr
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

Counties Kemper County, MS, Lauderdale County, MS, Leake County, MS, Neshoba County, MS, Newton County, MS, Scott County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 5.8 hours before the alert went out and 94 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 2003-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 joules per kilogram.LCLEL10008507005003002001001 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 2003-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 122 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
42 J/kg
Mixed-layer CIN
-1 J/kg
Mixed-layer LCL
541 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
122 m²/s²
0-3 km storm-relative helicity
187 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 010558
FFWJAN
MSC069-075-079-099-101-123-011100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1249 AM CDT TUE JUL 1 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NEWTON COUNTY IN EAST CENTRAL MISSISSIPPI
  LAUDERDALE COUNTY IN EAST CENTRAL MISSISSIPPI
  SCOTT COUNTY IN CENTRAL MISSISSIPPI
  KEMPER COUNTY IN EAST CENTRAL MISSISSIPPI
  LEAKE COUNTY IN CENTRAL MISSISSIPPI
  NESHOBA COUNTY IN EAST CENTRAL MISSISSIPPI

* UNTIL 600 AM CDT

* AT 1249 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED AREAS OF  
  HEAVY RAIN MOVING OVER EAST CENTRAL MISSISSIPPI.  

RADAR ESTIMATED RAINFALL AMOUNTS OF ONE HALF TO ONE INCH AN HOUR 
WERE COMMON OVER THE WARNED AREA. PERIODS OF HEAVY RAINFALL WILL 
CONTINUE OVER THE NEXT SEVERAL HOURS.

VERY HEAVY RAIN FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

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

LAT...LON 3288 8967 3227 8962 3229 8844 3293 8840

$$
2 follow-up statements
000 
WGUS74 KJAN 010822
FFSJAN
MSC069-075-079-099-101-123-011100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
314 AM CDT TUE JUL 1 2003

FLASH FLOOD WARNING REMAINS IN EFFECT FOR...

NEWTON COUNTY IN EAST CENTRAL MISSISSIPPI
LAUDERDALE COUNTY IN EAST CENTRAL MISSISSIPPI
SCOTT COUNTY IN CENTRAL MISSISSIPPI
KEMPER COUNTY IN EAST CENTRAL MISSISSIPPI
LEAKE COUNTY IN CENTRAL MISSISSIPPI
NESHOBA COUNTY IN EAST CENTRAL MISSISSIPPI

WIDESPREAD RAINFALL CONTINUES OVER EAST CENTRAL MISSISSIPPI THIS 
MORNING. DOPPLER RADAR ESTIMATES SHOW THAT 1 TO 2 INCHES OF RAINFALL 
HAVE FALLEN OVER THE PAST 3 HOURS AND RAINFALL AMOUNTS NEAR 1 INCH 
AN HOUR WERE STILL OCCURRING AT SOME LOCATIONS IN THE WARNED AREA. 

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE 
DANGERS OF FLOODS AND FLASH FLOODS.  MANY FLASH FLOOD DEATHS OCCUR 
WHEN MOTORISTS ATTEMPT TO CROSS FLOODED ROADWAYS.

$$
000 
WGUS74 KJAN 011009
FFSJAN
MSC069-075-079-099-101-123-011100-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
509 AM CDT TUE JUL 1 2003

FLASH FLOOD WARNING HAS BEEN CANCELED FOR THE FOLLOWING LOCATIONS...

IN CENTRAL MISSISSIPPI...
SCOTT AND LEAKE COUNTIES 

IN EAST CENTRAL MISSISSIPPI...
NEWTON...LAUDERDALE...KEMPER...AND NESHOBA COUNTIES

AT 505 AM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT 
RAINFALL OVER CENTRAL AND EAST CENTRAL MISSISSIPPI HAS DECREASED IN 
COVERAGE AND INTENSITY.  THEREFORE...THE FLASH FLOOD WARNING HAS 
BEEN CANCELED. 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 9:56 PM CDTFlash Flood WarningJANJefferson Davis, Lawrence4 hr
Jun 30, 10:29 PM CDTFlash Flood WarningJANForrest, Lamar, Marion4 hr
Jun 30, 10:53 PM CDTFlash Flood WarningJANClarke, Jasper, Jones6 hr

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.