Alert archive / Tennessee / Flash Flood Warnings in 1997

Flash Flood Warning 3, NWS Memphis, TN

March 1, 1997Madison County, Tennessee

NWS Memphis, TN issued this flash flood warning at Mar 1, 1997, 3:42 AM CST for Madison County, Tennessee. 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 counties it named.

The facts

Issued: Mar 1, 1997, 3:42 AM CST (09:42 UTC)
Expired: Mar 1, 1997, 6:10 AM CST
In force: 2 hr
Issued by: NWS Memphis, TN
Area: Whole counties

County Madison County, TN

The radar

The Memphis radar (KNQA), 98 km from the middle of the area, began a volume at 09:43 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 00:00Z, 9.7 hours before the alert went out and 133 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: 3 J/kg
Mixed-layer CIN: -249 J/kg
Mixed-layer LCL: 490 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 285 m²/s²
0-3 km storm-relative helicity: 344 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.5

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEM 010942
FFWMEM
TNC113-011210-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
342 AM CST SAT MAR 1 1997

THE NATIONAL WEATHER SERVICE IN MEMPHIS TN HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 610 AM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WESTERN TENNESSEE

   ...MADISON COUNTY
 
AT 338 AM CST...DOPPLER WEATHER RADAR INDICATED THUNDERSTORMS WITH
HEAVY RAIN ACROSS SOUTHERN MADISON COUNTY INCLUDING JACKSON...MERCER
AND PINSON. OVER ONE AND ONE HALF INCHES OF RAIN HAVE FALLEN IN THE
LAST HOUR ALONG A LINE FROM MERCER THROUGH MEDON TO NEAR BEMIS.
THUNDERSTORMS WITH VERY HEAVY RAIN WILL CONTINUE TO MOVE ACROSS
MADISON COUNTY THROUGH 6 AM CST.

.BEN ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY.
MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 28, 6:08 PM CST	Severe Thunderstorm Warning	MEG	Crockett	32 min
Feb 28, 6:28 PM CST	Severe Thunderstorm Warning	MEG	Tipton	32 min
Feb 28, 6:35 PM CST	Severe Thunderstorm Warning	MEG	Lauderdale	35 min
Feb 28, 6:54 PM CST	Severe Thunderstorm Warning	MEG	Fayette	31 min
Mar 1, 12:35 AM CST	Severe Thunderstorm Warning	MEG	Hardin	35 min
Mar 1, 2:38 AM CST	Flash Flood Warning	MEG	Chester	92 min
Mar 1, 2:59 AM CST	Tornado Warning	MEG	Hardin	21 min
Mar 1, 3:33 AM CST	Flash Flood Warning	MEG	Fayette, Hardeman	2 hr
Mar 1, 4:47 AM CST	Flash Flood Warning	MEG	Henderson	2 hr
Mar 1, 9:09 AM CST	Severe Thunderstorm Warning	MEG	Henry	31 min
Mar 1, 3:51 PM CST	Severe Thunderstorm Warning	MEG	Haywood	34 min
Mar 1, 3:55 PM CST	Severe Thunderstorm Warning	MEG	Crockett	35 min
Mar 1, 4:15 PM CST	Tornado Warning	MEG	Crockett, Gibson	35 min

Nearby

Flash Flood Warnings in Tennessee, 1997 Every flash flood warning in 1997

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.