Alert archive / Mississippi / Flash Flood Warnings in 2003

Flash Flood Warning 63, NWS Jackson, MS

June 11, 2003Leflore County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 11, 2003, 8:25 PM CDT for Leflore 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 as issued.

The facts

Issued: Jun 11, 2003, 8:25 PM CDT (01:25 UTC)
Expired: Jun 11, 2003, 11:25 PM CDT
In force: 3 hr
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

County Leflore County, MS

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.4 hours before the alert went out and 124 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: 3192 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 832 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 163 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 11.7

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KJAN 120127
FFWJAN
MSC083-120425-

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN LEFLORE COUNTY IN NORTH CENTRAL MISSISSIPPI

* UNTIL 1125 PM CDT

* AT 825 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED   
THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM 16 MILES SOUTH OF 
CHARLESTON TO 5 MILES EAST OF DREW...MOVING EAST AT 10 MPH.

RADAR ESTIMATED RAINFALL AMOUNTS OF 2 TO 4 INCHES OVER NORTHERN 
LEFLORE COUNTY JUST NORTH OF MINTER CITY HAVE FALLEN IN JUST THE 
LAST HOUR.  ADDITIONAL RAINFALL OF 1 TO 2 INCHES IS EXPECTED THROUGH 
10 PM.  FLOODING OF STREETS...LOW LYING AREAS...CREEKS...AND 
DRAINAGE DITCHES IS LIKELY.  

LAT...LON 3382 9020 3382 9046 3366 9045 3364 9013
          3372 9014 3372 9023 3370 9029 3373 9032
          3377 9029 3378 9020

$$

CRAVEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 7:00 PM CDT	Severe Thunderstorm Warning	JAN	Grenada	40 min
Jun 11, 7:27 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar	63 min
Jun 11, 7:56 PM CDT	Severe Thunderstorm Warning	JAN	Grenada	59 min
Jun 11, 7:59 PM CDT	Flash Flood Warning	JAN	Grenada	3 hr
Jun 11, 8:08 PM CDT	Severe Thunderstorm Warning	JAN	Clay	42 min
Jun 11, 8:09 PM CDT	Severe Thunderstorm Warning	JAN	Leflore, Sunflower	61 min
Jun 11, 8:47 PM CDT	Severe Thunderstorm Warning	JAN	Carroll	58 min
Jun 11, 9:36 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar	59 min
Jun 11, 10:28 PM CDT	Severe Thunderstorm Warning	JAN	Sunflower	42 min
Jun 11, 11:03 PM CDT	Flash Flood Warning	JAN	Carroll, Holmes, Leflore, Sunflower	3 hr
Jun 11, 11:37 PM CDT	Severe Thunderstorm Warning	JAN	Humphreys, Sharkey	43 min
Jun 12, 9:13 AM CDT	Severe Thunderstorm Warning	JAN	Adams	57 min
Jun 12, 9:58 AM CDT	Severe Thunderstorm Warning	JAN	Forrest	42 min
Jun 12, 11:17 AM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Simpson	43 min
Jun 12, 11:19 AM CDT	Severe Thunderstorm Warning	JAN	Lawrence	31 min
Jun 12, 11:23 AM CDT	Severe Thunderstorm Warning	JAN	Smith	47 min
Jun 12, 4:06 PM CDT	Severe Thunderstorm Warning	JAN	Adams	59 min

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.