Alert archive / Mississippi / Flash Flood Warnings in 2002

Flash Flood Warning 57, NWS Memphis, TN

October 10, 2002DeSoto County, Mississippi; Shelby County, Tennessee

NWS Memphis, TN issued this flash flood warning at Oct 10, 2002, 1:23 AM CDT for DeSoto County, Mississippi; Shelby County, Tennessee. 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: Oct 10, 2002, 1:23 AM CDT (06:23 UTC)
Expired: Oct 10, 2002, 4:15 AM CDT
In force: 3 hr
Issued by: NWS Memphis, TN
Area: Counties, with a storm outline in the text

Counties DeSoto County, MS, Shelby County, TN

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.4 hours before the alert went out and 35 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: 1 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 425 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 223 m²/s²
0-3 km storm-relative helicity: 210 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 KMEG 100623
FFWMEM
MSC033-TNC157-100915-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
120 AM CDT THU OCT 10 2002

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  DESOTO COUNTY IN NORTHWEST MISSISSIPPI
  SHELBY COUNTY IN SOUTHWEST TENNESSEE

* UNTIL 415 AM CDT.

* AT 115 AM CDT...WEATHER RADAR INDICATED VERY HEAVY RAIN CONTINUING 
OVER MUCH OF DESOTO AND SHELBY COUNTIES. TWO TO THREE INCHES OF RAIN 
HAS FALLEN SINCE 600 PM CDT...AND ADDITIONAL HEAVY RAIN WILL MOVE 
INTO THE AREA FROM THE SOUTHWEST BETWEEN 200 AM AND 300 AM. ANOTHER 
ONE TO TWO INCHES OF RAIN IS POSSIBLE BY 400 AM CDT.

* CITIES AFFECTED THROUGH 415 AM CDT INCLUDE...
  WHITEHAVEN...MEMPHIS...MILLINGTON...LAKELAND...                    
  GERMANTOWN...FRAYSER.. .ELLENDALE...MEMPHIS...BOLTON...            
  BARTLETT...ARLINGTON...WALLS...SOUTHAVEN...OLIVE BRANCH

.EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. 

.BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS 
OBSERVED...ACT QUICKLY. DO NOT DRIVE INTO WATERS OF UNKNOWN DEPTH.

.STAY TUNED TO THIS NATIONAL WEATHER SERVICE BROADCAST FOR THE LATEST
UPDATES AND INFORMATION.

LAT...LON 3539 8964 3478 8975 3475 9023 3538 9002

The office that day

Everything else NWS Memphis, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 10, 4:03 AM CDT	Flash Flood Warning	MEG	DeSoto	3 hr
Oct 10, 7:01 AM CDT	Flash Flood Warning	MEG	Marshall	119 min
Oct 10, 9:01 AM CDT	Flash Flood Warning	MEG	Benton, Marshall	3 hr
Oct 10, 11:15 AM CDT	Flash Flood Warning	MEG	Lafayette	2 hr
Oct 10, 10:32 AM CDT	Flash Flood Warning	MEG	Madison	118 min
Oct 10, 10:57 AM CDT	Flash Flood Warning	MEG	Chester	3 hr

Nearby

Flash Flood Warnings in Mississippi, 2002 Flash Flood Warnings in Tennessee, 2002 Every flash flood warning in 2002

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.