Alert archive / Mississippi / Flash Flood Warnings in 2003

Flash Flood Warning 85, NWS Jackson, MS

June 29, 2003Jones County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 29, 2003, 11:47 PM CDT for Jones County, Mississippi. It was in force for 6 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 29, 2003, 11:47 PM CDT (04:47 UTC)
Expired: Jun 30, 2003, 6:00 AM CDT
In force: 6 hr
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Jones County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 4.8 hours before the alert went out and 119 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1362 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1046 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 21 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 300454
FFWJAN
MSC067-301045-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1147 PM CDT SUN JUN 29 2003

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JONES COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 600 AM CDT

* AT 1147 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM 7 MILES NORTHEAST OF  
  LAUREL TO 17 MILES NORTH OF NEW AUGUSTA.  THE AREA OF HEAVY RAIN   
  WAS NEARLY STATIONARY.

RADAR ESTIMATED RAINFALL AMOUNTS OF ONE TO TWO INCHES OF RAIN HAS 
FALLEN IN THE PAST COUPLE OF HOURS...ESPECIALLY OVER EASTERN 
PORTIONS OF JONES COUNTY.  A HEAVY BAND OF SHOWERS AND THUNDERSTORMS 
THAT EXTENDS SOUTHWARD FROM JONES COUNTY INTO THE MISSISSIPPI 
COASTAL WATERS WILL CONTINUE TO MOVE NORTH AND TRAIN OVER THE WARNED 
AREA FOR SEVERAL MORE HOURS.  TOTAL RAINFALL BY EARLY MONDAY MORNING 
WILL LIKELY EXCEED 5 INCHES IN PARTS OF THE COUNTY...RESULTING IN 
FLOODING OF STREAMS...CREEKS...DITCHES...AND LOW LYING AREAS.   

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

LAT...LON 3182 8895 3179 8937 3147 8933 3145 8912
          3146 8894

$$

CRAVEN

2 follow-up statements

000 
WGUS74 KJAN 300601
FFSJAN
MSC067-301045-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
100 AM CDT MON JUN 30 2003

FLASH FLOOD WARNING REMAINS IN EFFECT FOR...

JONES COUNTY IN SOUTHEAST MISSISSIPPI

AT 100 AM DOPPLER RADAR INDICATES THAT THE TRAINING OF SHOWERS AND 
THUNDERSTORMS CONTINUES OVER JONES COUNTY. RADAR PRECIPITATION RATES 
ESTIMATES UP TO ONE INCH PER HOUR ARE OCCURRING ACROSS SOUTHERN 
PORTIONS OF THE COUNTY OVER ALREADY RAIN SOAKED TERRAIN. THEREFORE 
THE FLASH FLOOD WARNING IS ALLOWED TO CONTINUE.

$$

000 
WGUS74 KJAN 301047
FFSJAN
MSC067-301050-

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
543 AM CDT MON JUN 30 2003

FLASH FLOOD WARNING...FOR JONES COUNTY IN SOUTHEAST 
MISSISSIPPI...WILL BE ALLOWED TO EXPIRE AT 645 AM. SHOWERS AND 
THUNDERSTORMS THAT PROMPTED THE FLASH FLOOD WARNING EARLIER THIS 
MORNING HAVE WEAKENED AND ARE NOT POSING ANY FLOODING THREAT AT THIS 
TIME...THUS THE WARNING WILL BE ALLOWED TO EXPIRE.

ADDITIONAL SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP AND 
MOVE ACROSS SOUTHEAST MISSISSIPPI THROUGH THE REST OF TODAY. AS 
THESE ADDITIONAL RAINS MOVE OVER THE AREA TODAY...THE POTENTIAL FOR 
FLOODING WILL INCREASE.

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 2:00 AM CDT	Flash Flood Warning	JAN	Clarke	6 hr
Jun 30, 3:34 AM CDT	Flash Flood Warning	JAN	Kemper, Lauderdale	6 hr
Jun 30, 7:26 AM CDT	Flash Flood Warning	JAN	Grenada	3 hr
Jun 30, 4:28 PM CDT	Flash Flood Warning	JAN	Forrest, Lamar, Marion	6 hr
Jun 30, 5:08 PM CDT	Flash Flood Warning	JAN	Jones	6 hr

Nearby

Flash Flood Warnings in Mississippi, 2003 Every 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.