Alert archive / Tennessee / Flash Flood Warnings in 2002

Flash Flood Warning 5, NWS Memphis, TN

March 17, 20024 counties in Tennessee; 4 counties in Arkansas

NWS Memphis, TN issued this flash flood warning at Mar 17, 2002, 3:35 PM CST for 4 counties in Tennessee; 4 counties in Arkansas. 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: Mar 17, 2002, 3:35 PM CST (21:35 UTC)
Expired: Mar 17, 2002, 6:30 PM CST
In force: 3 hr
Issued by: NWS Memphis, TN
Area: Counties, with a storm outline in the text

Counties Crittenden County, AR, Cross County, AR, Lee County, AR, St. Francis County, AR, Fayette County, TN, Haywood County, TN, Shelby County, TN, Tipton County, TN

The radar

The Memphis radar (KNQA), 22 km from the middle of the area, began a volume at 21:34 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

Little Rock, AR (KLZK), launched 12:00Z, 9.6 hours before the alert went out and 44 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 362 m above ground
0-6 km bulk shear: 75 kt
0-1 km storm-relative helicity: 199 m²/s²
0-3 km storm-relative helicity: 107 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMEG 172135
FFWMEM
ARC035-037-077-123-TNC047-075-157-167-180030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
332 PM CST SUN MAR 17 2002

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRITTENDEN COUNTY IN EASTERN ARKANSAS
  CROSS COUNTY IN EASTERN ARKANSAS
  LEE COUNTY IN EASTERN ARKANSAS
  ST. FRANCIS COUNTY IN EASTERN ARKANSAS
  FAYETTE COUNTY IN SOUTHWEST TENNESSEE
  HAYWOOD COUNTY IN SOUTHWEST TENNESSEE
  SHELBY COUNTY IN SOUTHWEST TENNESSEE
  TIPTON COUNTY IN SOUTHWEST TENNESSEE

* UNTIL 630 PM CST.

* AT 330 PM CST...WEATHER RADAR INDICATED VERY HEAVY RAIN WITH 
EMBEDDED THUNDER STREAMING ACROSS EAST CENTRAL ARKANSAS INTO 
SOUTHWEST TENNESSEE. 

* CITIES AFFECTED THROUGH 630 PM CST INCLUDE...
  SOUTHWEST MEMPHIS...SOUTHEAST MEMPHIS...SOMERVILLE...MUNFORD...
  MILLINGTON...LAKELAND...HOLLY GROVE...GERMANTOWN...FRAYSER...
  ELLENDALE...EADS...DOWNTOWN MEMPHIS...DIXONVILLE...DANCYVILLE...
  BROWNSVILLE

.A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
MOVE TO HIGHER GROUND IMMEDIATELY. DO NOT ATTEMPT TO CROSS FLOODED
ROADWAYS.

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

LAT...LON 3568 8912 3511 8930 3500 9023 3472 9058
          3466 9107 3544 9101 3546 9009

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 17, 1:29 AM CST	Flash Flood Warning	MEG	Fayette, Hardeman, Haywood, Madison, Shelby	2 hr
Mar 17, 4:41 PM CST	Flash Flood Warning	MEG	Henderson, Madison	109 min

Nearby

Flash Flood Warnings in Tennessee, 2002 Flash Flood Warnings in Arkansas, 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; radar from the NEXRAD Level II archive.