Alert archive / Tennessee / Flash Flood Warnings in 1996

Flash Flood Warning 1, NWS Memphis, TN

February 20, 1996Tipton County, Tennessee

NWS Memphis, TN issued this flash flood warning at Feb 20, 1996, 10:33 AM CST for Tipton County, Tennessee. It was in force for 12 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 20, 1996, 10:33 AM CST (16:33 UTC)
Expired
Feb 20, 1996, 10:45 AM CST
In force
12 min
Issued by
NWS Memphis, TN
Area
Whole counties

County Tipton County, TN

The radar

The Memphis radar (KNQA), 20 km from the middle of the area, began a volume at 16:32 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, 4.6 hours before the alert went out and 76 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-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 1996-02-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 1996-02-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
2475 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
51 m²/s²
0-3 km storm-relative helicity
88 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 
TTAA00 KMEM 201648 COR
FFWMEM
TNC167-201645-

BULLETIN
FLASH FLOOD WARNING ...CORRECTION...
NATIONAL WEATHER SERVICE MEMPHIS TN
1033 AM CST TUE FEB 20 1996

THE FLASH FLOOD WARNING ISSUED FOR TIPTON COUNTY TENNESSEE AT 1033 AM
WAS ISSUED IN ERROR.

THERE IS A FLOOD WARNING FOR THE SOUTH FORK OF THE FORKED DEER RIVER
NEAR JACKSON TN...BUT NO FLASH FLOOD WARNINGS ARE IN EFFECT IN WEST
TENNESSEE.

THE NATIONAL WEATHER SERVICE APOLOGIZES FOR ANY INCONVENIENCE THE
ERROR MAY ~HAVE CAUSED.

Nearby

Flash Flood Warnings in Tennessee, 1996Every flash flood warning in 1996

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.