Alert archive / Tennessee / Flash Flood Warnings in 1994

Flash Flood Warning 3, NWS Memphis, TN

April 28, 1994Crockett County, Dyer County, Tennessee

NWS Memphis, TN issued this flash flood warning at Apr 28, 1994, 3:59 AM CDT for Crockett County, Dyer County, Tennessee. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: Apr 28, 1994, 3:59 AM CDT (08:59 UTC)
Expired: Apr 28, 1994, 7:00 AM CDT
In force: 3 hr
Issued by: NWS Memphis, TN
Area: Whole counties

Counties Crockett County, TN, Dyer County, TN

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 9.0 hours before the alert went out and 137 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: 2572 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1145 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 135 m²/s²
Significant tornado parameter: 0.9
Supercell composite: 6.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMEM 280859
FFWMEM
TNC033-045-281200-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
359 AM CDT THU APR 28 1994
 
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  700 AM CDT
FOR PERSONS IN THE FOLLOWING LOCATIONS...S...
 
IN WEST TENNESSEE
 
   ...NORTHERN CROCKETT COUNTY...SOUTHERN DYER COUNTY
 
THUNDERSTORMS ACROSS WEST TENNESSEE HAVE BEEN CONTINUING TO DUMP LARGE
AMOUNTS OF RAIN ACROSS SOUTHERN DYER AND NORTHERN CROCKETT COUNTIES.
DOPPLER RADAR HAS INDICATED RAINFALL OF NEARLY 3 INCHES DURING THE PAST
HOUR.
 
THE HEAVIEST RAINS WERE JUST EAST OF HIGHWAY 51 FROM AROUND HALLS TO
NEAR FRIENDSHIP.
 
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGERS OF FLOODS AND FLASH FLOODS.  IF FLASH FLOODING IS
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

Local storm report, Apr 27, 10:00 PM CDT, 5 hours 59 minutes before

LOCAL STORM REPORT...PRELIMINARY
NATIONAL WEATHER SERVICE TUPELO MS
1000 PM CDT WED APR 27 1994

AT 145 PM CDT...       TOMBIGBEE PARK RANGER REPORTED MARBLE SIZE
                       HAIL IN TOMBIGBEE STATE PARK IN EASTERN
                       LEE COUNTY.

AT 905 PM CDT...       ALCORN 911 REPORTED MARBLE SIZE HAIL AND HIGH
                       WINDS IN SOUTHERN ALCORN COUNTY NEAR RIENZI.

AT 907 PM CDT...       PRENTISS COUNTY S.O. REPORFTED MARBLE SIZE HAIL
                       IN THRASHER IN NORTHERN PRENTISS COUNTY.

Special weather statement, Apr 28, 3:34 AM CDT, 25 minutes before

TNZ048-ARZ028-280930-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE MEMPHIS TN
334 AM CDT THU APR 28 1994

...HEAVY RAINS BRING LOCALIZED FLOODING TO PARTS OF THE MID-SOUTH...

THUNDERSTORMS HAVE BEEN MOVING OVER MISSISSIPPI COUNTY ARKANSAS AND
LAUDERDALE COUNTY TENNESSEE FOR THE PAST SEVERAL HOURS...AND THIS HAS
CAUSED SOME LOCALIZED FLOODING IN THOSE AREAS.

THE AREA AROUND HALLS...GATES AND EDITH IN LAUDERDALE COUNTY HAS
EXPERIENCED SOME MINOR FLOODING OF ROADS DURING THE PAST HOUR. IN
ADDITION...FLOODING IS LIKELY OCCURRING IN MISSISSIPPI COUNTY...WHERE
DOPPLER RADAR ESTIMATES INDICATE AS MUCH AS 5 INCHES OF RAIN MAY HAVE
FALLEN JUST SOUTH OF BLYTHEVILLE.

PERSONS IN THESE AREAS SHOULD KEEP UP WITH LOCAL WEATHER CONDITIONS...AS
STRONG THUNDERSTORMS CONTINUE TO REDEVELOP AND MOVE OVER THE SAME AREA.
MOTORISTS SHOULD BE EXTRA CAUTIOUS AND REMEMBER TO AVOID AREAS WHERE
WATER COVERS THE ROADWAY. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.

AT 330 AM...DOPPLER RADAR INDICATED THUNDERSTORMS OVER MUCH OF NORTHWEST
TENNESSEE AND NORTHEAST ARKANSAS. THE STORMS WERE MOVING EAST AT 20
MILES AN HOUR.

STAY TUNED TO THIS STATION FOR LATER WEATHER INF0ORMATION.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 7:52 PM CDT	Severe Thunderstorm Warning	MEG	Fayette	53 min
Apr 27, 9:11 PM CDT	Severe Thunderstorm Warning	MEG	Fayette	34 min
Apr 27, 9:32 PM CDT	Severe Thunderstorm Warning	MEG	Hardeman	58 min
Apr 27, 10:32 PM CDT	Severe Thunderstorm Warning	MEG	Hardeman	58 min
Apr 27, 11:53 PM CDT	Severe Thunderstorm Warning	MEG	Obion	52 min
Apr 28, 12:28 AM CDT	Severe Thunderstorm Warning	MEG	Weakley	47 min
Apr 28, 12:33 AM CDT	Severe Thunderstorm Warning	MEG	Gibson	42 min
Apr 28, 12:59 AM CDT	Severe Thunderstorm Warning	MEG	McNairy	46 min
Apr 28, 1:13 AM CDT	Severe Thunderstorm Warning	MEG	Lauderdale	47 min
Apr 28, 3:48 AM CDT	Flash Flood Warning	MEG	Lauderdale	3 hr
Apr 28, 4:50 AM CDT	Flash Flood Warning	MEG	Gibson	3 hr

Nearby

Flash Flood Warnings in Tennessee, 1994 Every flash flood warning in 1994

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.