Alert archive / Mississippi / Flash Flood Warnings in 1998

Flash Flood Warning 3, NWS Memphis, TN

April 27, 1998Benton County, Marshall County, Tippah County, Mississippi

NWS Memphis, TN issued this flash flood warning at Apr 27, 1998, 8:38 PM CDT for Benton County, Marshall County, Tippah County, Mississippi. 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: Apr 27, 1998, 8:38 PM CDT (01:38 UTC)
Expired: Apr 27, 1998, 11:40 PM CDT
In force: 3 hr
Issued by: NWS Memphis, TN
Area: Whole counties

Counties Benton County, MS, Marshall County, MS, Tippah County, MS

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.6 hours before the alert went out and 69 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: 21 J/kg
Mixed-layer CIN: -141 J/kg
Mixed-layer LCL: 1140 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: -65 m²/s²
0-3 km storm-relative helicity: 26 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 280137
FFWMEM
MSC009-093-139-280440-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
838 PM CDT MON APR 27 1998

THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHERN BENTON COUNTY IN NORTHEASTERN MISSISSIPPI
  SOUTHERN MARSHALL COUNTY IN NORTHWESTERN MISSISSIPPI
  SOUTHERN TIPPAH COUNTY IN NORTHEASTERN MISSISSIPPI

* UNTIL 1140 PM CDT

* AT 830 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  AN AREA OF HEAVY RAIN ALONG SOUTHERN MARSHALL..SOUTHERN BENTON AND
  SOUTHERN TIPPAH COUNTIES.

* UP TO 3 INCHES OF RAIN HAS FALLEN IN THE PAST TWO HOURS WITH
  THUNDERSTORM ACTIVITY EXPECTED TO PRODUCE ADDITIONAL RAINFALL
  DURING THE NEXT FEW HOURS.

.BE 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
Apr 27, 7:00 PM CDT	Flash Flood Warning	MEG	Benton, Marshall	3 hr
Apr 27, 7:05 PM CDT	Tornado Warning	MEG	Union	50 min
Apr 27, 7:07 PM CDT	Severe Thunderstorm Warning	MEG	Coahoma	33 min
Apr 27, 7:17 PM CDT	Severe Thunderstorm Warning	MEG	Tate	33 min
Apr 27, 7:18 PM CDT	Severe Thunderstorm Warning	MEG	Marshall	47 min
Apr 27, 7:26 PM CDT	Severe Thunderstorm Warning	MEG	Tippah	49 min
Apr 27, 7:38 PM CDT	Tornado Warning	MEG	Tippah	47 min
Apr 27, 7:44 PM CDT	Tornado Warning	MEG	Marshall	51 min
Apr 27, 7:48 PM CDT	Severe Thunderstorm Warning	MEG	Tunica	47 min
Apr 27, 7:52 PM CDT	Tornado Warning	MEG	Union	48 min
Apr 27, 8:24 PM CDT	Tornado Warning	MEG	Tippah	51 min
Apr 27, 8:30 PM CDT	Severe Thunderstorm Warning	MEG	Tallahatchie	30 min
Apr 27, 8:33 PM CDT	Tornado Warning	MEG	Benton, Marshall	47 min
Apr 27, 9:18 PM CDT	Severe Thunderstorm Warning	MEG	Benton	27 min
Apr 27, 9:29 PM CDT	Severe Thunderstorm Warning	MEG	Lafayette	51 min
Apr 27, 10:21 PM CDT	Severe Thunderstorm Warning	MEG	Union	34 min
Apr 27, 10:32 PM CDT	Severe Thunderstorm Warning	MEG	Prentiss	58 min
Apr 28, 1:26 AM CDT	Flash Flood Warning	MEG	Benton, Marshall, Tippah	3 hr

Nearby

Flash Flood Warnings in Mississippi, 1998 Every flash flood warning in 1998

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.