Alert archive / Mississippi / Flash Flood Warnings in 2002

Flash Flood Warning 50, NWS Memphis, TN

September 26, 20026 counties in Mississippi; Hardin County, McNairy County, Tennessee

NWS Memphis, TN issued this flash flood warning at Sep 26, 2002, 2:21 PM CDT for 6 counties in Mississippi; Hardin County, McNairy County, Tennessee. It was in force for 5 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: Sep 26, 2002, 2:21 PM CDT (19:21 UTC)
Expired: Sep 26, 2002, 7:30 PM CDT
In force: 5 hr
Issued by: NWS Memphis, TN
Area: Counties, with a storm outline in the text

Counties Alcorn County, MS, Benton County, MS, Marshall County, MS, Prentiss County, MS, Tippah County, MS, Tishomingo County, MS, Hardin County, TN, McNairy County, TN

The radar

The Memphis radar (KNQA), 108 km from the middle of the area, began a volume at 19:20 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, 7.4 hours before the alert went out and 111 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: 528 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -28 m²/s²
0-3 km storm-relative helicity: 9 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 261921
FFWMEM
MSC003-009-093-117-139-141-TNC071-109-270030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
218 PM CDT THU SEP 26 2002

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ALCORN COUNTY IN NORTHEAST MISSISSIPPI
  BENTON COUNTY IN NORTHEAST MISSISSIPPI
  PRENTISS COUNTY IN NORTHEAST MISSISSIPPI
  TIPPAH COUNTY IN NORTHEAST MISSISSIPPI
  TISHOMINGO COUNTY IN NORTHEAST MISSISSIPPI
  MARSHALL COUNTY IN NORTHWEST MISSISSIPPI
  HARDIN COUNTY IN SOUTHWEST TENNESSEE
  MCNAIRY COUNTY IN SOUTHWEST TENNESSEE

* UNTIL 730 PM CDT.

* AT 215 PM CDT...WEATHER RADAR INDICATED VERY HEAVY RAIN OVER       
  PORTIONS OF NORTHEAST MISSISSIPPI AND SOUTHWEST TENNESSEE. SINCE   
  LAST NIGHT...RADAR ESTIMATED THAT 4 TO 6 INCHES HAS FALLEN.        
  THROUGH 7 PM...AN ADDITIONAL 2 TO 3 INCHES WILL BE POSSIBLE.

* CITIES AFFECTED THROUGH 815 PM CDT INCLUDE...
  SHILOH...SELMER...SAVANNAH...PICKWICK DAM...MORRIS CHAPEL...
  CRUMP...ADAMSVILLE...ACTON...WENASOGA...TISHOMINGO...THRASHERS...
  THEO...SLAYDEN...RIPLEY...RED BANKS

.EXCESSIVE RUNOFF 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.

.DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.

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

LAT...LON 3536 8811 3462 8815 3462 8968 3499 8969
          3499 8880 3523 8876

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 26, 1:28 PM CDT	Flash Flood Warning	MEG	Calhoun, Chickasaw, Itawamba, Lafayette, Lee, Monroe and 3 more	6 hr
Sep 26, 1:47 PM CDT	Flash Flood Warning	MEG	Coahoma, DeSoto, Panola, Quitman, Tallahatchie, Tate and 1 more	6 hr
Sep 26, 4:15 PM CDT	Flash Flood Warning	MEG	Chester, Decatur, Hardeman, Henderson, Madison	6 hr
Sep 26, 4:45 PM CDT	Flash Flood Warning	MEG	Carroll, Crockett, Fayette, Gibson, Haywood, Henry and 4 more	6 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; radar from the NEXRAD Level II archive.