Alert archive / Mississippi / Flash Flood Warnings in 2001

Flash Flood Warning 46, NWS Jackson, MS

June 13, 2001Jefferson Davis County, Mississippi

NWS Jackson, MS issued this flash flood warning at Jun 13, 2001, 1:15 AM CDT for Jefferson Davis 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, 1:15 AM CDT (06:15 UTC)
Expired: Jun 13, 2001, 3:15 AM CDT
In force: 2 hr
Issued by: NWS Jackson, MS
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Jefferson Davis County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 6.3 hours before the alert went out and 85 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: 1381 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1449 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: -8 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 130617
FFWJAN
MSC065-130815-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI

* UNTIL 315 AM CDT

* AT 115 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED            
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER PRENTISS...MOVING     
  NORTHWEST AT 5 MPH.

RADAR ESTIMATED RAINFALL AMOUNTS OF...TWO TO FOUR INCHES HAS FALLEN 
SINCE 1215 AM. ADDITIONAL AMOUNTS AROUND ONE INCH ARE POSSIBLE.

VERY HEAVY RAIN FROM THESE STORMS 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.

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 3148 8987 3146 8960 3160 8977 3177 8976
          3176 8997 3155 8997

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, 12:55 AM CDT	Flash Flood Warning	JAN	Forrest, Lamar	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.