Alert archive / Mississippi / Flash Flood Warnings in 2001

Flash Flood Warning 35, NWS Jackson, MS

May 28, 2001Leflore County, Mississippi

NWS Jackson, MS issued this flash flood warning at May 28, 2001, 1:18 AM CDT for Leflore County, Mississippi. It was in force for 117 min. 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: May 28, 2001, 1:18 AM CDT (06:18 UTC)
Expired: May 28, 2001, 3:15 AM CDT
In force: 117 min
Issued by: NWS Jackson, MS
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Leflore County, MS

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.3 hours before the alert went out and 134 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: 1665 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 1494 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 101 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KJAN 280619
FFWJAN
MSC083-280815-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
118 AM CDT MON MAY 28 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

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

* UNTIL 315 AM CDT

* AT 118 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN 13 MILES NORTHWEST OF
  GREENWOOD...OR ABOUT 11 MILES NORTH OF ITTA BENA...MOVING SOUTHEAST
  AT 5 MPH.

RADAR ESTIMATED RAINFALL AMOUNTS OF...TWO TO FOUR INCHES HAD FALLEN 
SINCE 1215 AM BETWEEN SCHLATER AND SUNNYSIDE. ADDTIONAL AMOUNTS OF 
ONE TO TWO INCHES IS POSSIBLE.

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

LAT...LON 3380 9038 3363 9045 3345 9016 3356 9011
          3371 9015

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 10:35 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower	40 min
May 27, 11:47 PM CDT	Severe Thunderstorm Warning	JAN	Sunflower	28 min
May 28, 1:52 AM CDT	Severe Thunderstorm Warning	JAN	Sunflower	23 min
May 28, 2:50 AM CDT	Severe Thunderstorm Warning	JAN	Grenada	40 min
May 28, 11:08 AM CDT	Tornado Warning	JAN	Bolivar	37 min
May 28, 11:43 AM CDT	Tornado Warning	JAN	Bolivar, Sunflower	57 min
May 28, 3:02 PM CDT	Tornado Warning	JAN	Rankin	28 min
May 28, 4:18 PM CDT	Tornado Warning	JAN	Bolivar, Sunflower	27 min
May 28, 6:13 PM CDT	Severe Thunderstorm Warning	JAN	Kemper	17 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.