Alert archive / Tennessee / Flash Flood Warnings in 1999

Flash Flood Warning 2, NWS Memphis, TN

January 17, 1999Fayette County, Tennessee

NWS Memphis, TN issued this flash flood warning at Jan 17, 1999, 7:38 PM CST for Fayette 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 counties it named.

The facts

Issued: Jan 17, 1999, 7:38 PM CST (01:38 UTC)
Expired: Jan 17, 1999, 10:40 PM CST
In force: 3 hr
Issued by: NWS Memphis, TN
Area: Whole counties

County Fayette County, TN

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.6 hours before the alert went out and 64 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: 2449 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 74 m²/s²
0-3 km storm-relative helicity: 111 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 180137
FFWMEM
TNC047-069-109-180440-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
738 PM CST SUN JAN 17 1999

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN FAYETTE COUNTY IN WESTERN TENNESSEE
  SOUTHERN HARDEMAN COUNTY IN WESTERN TENNESSEE
  SOUTHERN MCNAIRY COUNTY IN WESTERN TENNESSEE

* UNTIL 1040 PM CST

* AT 730 PM CST... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF THUNDERSTORMS WITH VERY HEAVY RAIN FROM LAGRANGE TO
  SELMER MOVING EAST AT 30 MILES AN HOUR.

* OVER THREE INCHES OF RAIN HAVE FALLEN OVER THE AREA IN THE PAST
  HOUR OR SO. THE AREA MOST AFFECTED STRETCHES FROM NEAR LAGRANGE
  ALONG HIGHWAY 57 TOWARD RAMER. ADDITIONAL RAINFALL IS EXPECTED AS
  THUNDERSTORM ARE EXPECTED TO CONTINUE TO MOVE ACROSS THE AREA.

.BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODING. IF FLOODING IS8 OBSERVED...ACT QUICKLY.
MOVE UP TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO
FLOODING WHEN WATER BEGINS RISING.

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jan 17, 2:00 PM CST, 5 hours 38 minutes before

ARZ008-009-017-018-026>028-035-036-048-049-058-MOZ113-115-MSZ001>017-
020>024-TNZ001>004-019>021-048>054-088>092-180300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
200 PM CST SUN JAN 17 1999

THIS OUTLOOK COVERS THE COUNTY WARNING AREA OF THE NATIONAL WEATHER
SERVICE FORECAST OFFICE IN MEMPHIS TENNESSEE..INCLUDING NORTHEAST
ARKANSAS..THE MISSOURI BOOTHEEL..WEST TENNESSEE..AND NORTHERN
MISSISSIPPI.

RISK OF SEVERE THUNDERSTORMS HAVE INCREASED IN THE MIDSOUTH. MODERATE
RISK OF SEVERE WEATHER IS NOW CENTERED OVER MEMPHIS TENNESSEE..WITH
THIS RISK EXTENDING OUT AROUND 75 MILES. A SLIGHT RISK OF SEVERE
THUNDERSTORMS EXITS FOR THE REST OF THE MIDSOUTH.

AN AREA OF STORMS IS DEVELOPING FROM NORTH CENTRAL TO SOUTH CENTRAL
ARKANSAS. THESE STORMS WILL INTENSIFY AS THEY MOVE EAST THIS
AFTERNOON AND EVENING. VERY STRONG SOUTHWESTERLY WINDS ARE FILLING
THE ATMOSPHERE WITH INCREASINGLY MOIST UNSTABLE AIR. ISOLATED
TORNADOES ARE POSSIBLE ALONG WITH DAMAGING STRAIGHT LINE WINDS
AND LARGE HAIL UNTIL A COLD FROM PASSES THIS EVENING.

STORM SPOTTER GROUPS AND EMERGENCY MANAGEMENT PERSONNEL SHOULD BE
PREPARED FOR POSSIBLE ACTIVATION THIS AFTERNOON AND EARLY THIS
EVENING. MONITOR NOAA WEATHER RADIO..COMMERCIAL RADIO..TV AND CABLE
TELEVISION OUTLETS FOR THE LATEST FORECASTS AND INFORMATION.

Special weather statement, Jan 17, 7:30 PM CST, 8 minutes before

MOZ113-115-TNZ001>004-019>021-048>052-180200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
730 PM CST SUN JAN 17 1999

THE TORNADO WATCH FOR THE FOLLOWING COUNTIES HAS BEEN CANCELLED:

IN THE MISSOURI BOOTHEEL:

     DUNKLIN...PEMISCOT

IN WEST TENNESSEE:

     LAKE..OBION..WEAKLEY..HENRY..DYER..GIBSON..CARROLL..
     LAUDERDALE..CROCKETT..TIPTON..HAYWOOD..MADISON

STORMS HAVE MOVED ON EAST INTO MIDDLE TENNESSEE AND ARE NO LONGER
AFFECTING THE MENTIONED COUNTIES.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 17, 6:01 PM CST	Severe Thunderstorm Warning	MEG	Fayette	64 min
Jan 17, 6:08 PM CST	Tornado Warning	MEG	Madison	47 min
Jan 17, 6:14 PM CST	Tornado Warning	MEG	Crockett, Gibson	36 min
Jan 17, 6:17 PM CST	Severe Thunderstorm Warning	MEG	Weakley	48 min
Jan 17, 6:28 PM CST	Severe Thunderstorm Warning	MEG	Hardeman	47 min
Jan 17, 6:31 PM CST	Severe Thunderstorm Warning	MEG	Carroll, Henry	49 min
Jan 17, 6:33 PM CST	Tornado Warning	MEG	Fayette	37 min
Jan 17, 6:35 PM CST	Tornado Warning	MEG	Henderson	50 min
Jan 17, 6:38 PM CST	Tornado Warning	MEG	Carroll	47 min
Jan 17, 6:40 PM CST	Severe Thunderstorm Warning	MEG	Chester	35 min
Jan 17, 6:43 PM CST	Tornado Warning	MEG	Hardeman	47 min
Jan 17, 6:45 PM CST	Severe Thunderstorm Warning	MEG	Shelby	50 min
Jan 17, 6:53 PM CST	Severe Thunderstorm Warning	MEG	McNairy	62 min
Jan 17, 7:01 PM CST	Tornado Warning	MEG	Chester, McNairy	49 min
Jan 17, 7:23 PM CST	Severe Thunderstorm Warning	MEG	Hardin	62 min
Jan 17, 7:38 PM CST	Flash Flood Warning	MEG	Hardeman, McNairy	3 hr
Jan 17, 7:48 PM CST	Tornado Warning	MEG	Hardin	47 min

Nearby

Flash Flood Warnings in Tennessee, 1999 Every flash flood warning in 1999

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.