Alert archive / Mississippi / Flash Flood Warnings in 2003

Flash Flood Warning 8, NWS New Orleans, LA

June 29, 2003Jackson County, Mississippi

NWS New Orleans, LA issued this flash flood warning at Jun 29, 2003, 9:36 PM CDT for Jackson 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 counties it named.

The facts

Issued: Jun 29, 2003, 9:36 PM CDT (02:36 UTC)
Expired: Jun 30, 2003, 12:30 AM CDT
In force: 3 hr
Issued by: NWS New Orleans, LA
Area: Whole counties

County Jackson County, MS

The radar

The Mobile radar (KMOB), 44 km from the middle of the area, began a volume at 02:37 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 2.6 hours before the alert went out and 106 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: 122 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 700 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -90 m²/s²
0-3 km storm-relative helicity: -48 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 KLIX 300239
FFWNEW
MSC059-300530-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE NEW ORLEANS LA
936 PM CDT SUN JUN 29 2003

THE NATIONAL WEATHER SERVICE IN NEW ORLEANS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JACKSON COUNTY IN SOUTHERN MISSISSIPPI
  THIS INCLUDES THE CITIES OF...PASCAGOULA...OCEAN SPRINGS...MOSS
  POINT...ESCATAWPA

* UNTIL 1230 AM CDT

* AT 935 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER GULF PARK ESTATES...OR ABOUT 4 MILES EAST OF OCEAN   
  SPRINGS...MOVING NORTHWEST AT 25 MPH. 

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

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROAD.
VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED. MOVE TO HIGHER
GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE.

$$

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 30, 12:21 AM CDT	Flash Flood Warning	LIX	Jackson	2 hr
Jun 30, 3:57 AM CDT	Flash Flood Warning	LIX	Jackson	3 hr
Jun 30, 7:00 AM CDT	Flash Flood Warning	LIX	Jackson	6 hr
Jun 30, 1:42 PM CDT	Flash Flood Warning	LIX	Jackson	3 hr
Jun 30, 3:34 PM CDT	Flash Flood Warning	LIX	Hancock	4 hr
Jun 30, 5:11 PM CDT	Flash Flood Warning	LIX	Pearl River	4 hr
Jun 30, 6:01 PM CDT	Flash Flood Warning	LIX	Harrison, Jackson	3 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; radar from the NEXRAD Level II archive.