Alert archive / Mississippi / Flash Flood Warnings in 2001

Flash Flood Warning 45, NWS Jackson, MS

June 13, 2001Forrest County, Lamar County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 13, 2001, 12:55 AM CDT for Forrest County, Lamar County, Mississippi. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jun 13, 2001, 12:55 AM CDT (05:55 UTC)
Expired: Jun 13, 2001, 3:00 AM CDT
In force: 2 hr
Issued by: NWS Jackson, MS
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Forrest County, MS, Lamar County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 5.9 hours before the alert went out and 126 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: 2492 J/kg
Mixed-layer CIN: -4 J/kg
Mixed-layer LCL: 984 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: 6 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 130553
FFWJAN
MSC035-073-130800-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1255 AM CDT WED JUN 13 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  FORREST COUNTY IN SOUTHEAST MISSISSIPPI
  LAMAR COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 300 AM CDT

* AT 1255 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED           
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER SUMRALL. THE          
  THUNDERSTORMS WERE DRIFTING TO THE NORTHWEST.

RADAR ESTIMATED RAINFALL AMOUNTS OF...5 TO 8 INCHES HAD FALLEN OVER 
NORTHERN LAMAR AND NORTHERN FORREST COUNTIES SINCE 9 PM. ALTHOUGH 
ADDITIONAL RAINFALL AMOUNTS AROUND ONE HALF INCH ARE STILL 
POSSIBLE...NUMEROUS STREAMS AND CREEKS WILL CONTINUE TO RISE OUT OF 
THEIR BANKS PRODUCING MORE FLASH FLOODING. 

ADDITIONALLY...STREETS AND UNDERPASSES IN URBAN AREAS...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.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT. IT IS
IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR
CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS.

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 3129 8915 3142 8914 3143 8965 3130 8965

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 11:04 PM CDT	Flash Flood Warning	JAN	Forrest, Lamar	116 min
Jun 13, 1:15 AM CDT	Flash Flood Warning	JAN	Jefferson Davis	2 hr
Jun 13, 3:14 PM CDT	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis	31 min
Jun 13, 3:39 PM CDT	Severe Thunderstorm Warning	JAN	Lamar	36 min
Jun 13, 3:48 PM CDT	Severe Thunderstorm Warning	JAN	Covington	27 min
Jun 13, 4:23 PM CDT	Tornado Warning	JAN	Forrest, Jones	37 min
Jun 13, 5:04 PM CDT	Severe Thunderstorm Warning	JAN	Warren	41 min
Jun 13, 5:11 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	34 min

Nearby

Flash Flood Warnings in Mississippi, 2001 Every flash flood warning in 2001

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.