Alert archive / Mississippi / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 58, NWS Memphis, TN

April 7, 2000Panola County, Mississippi

NWS Memphis, TN issued this severe thunderstorm warning at Apr 7, 2000, 9:59 PM CDT for Panola County, Mississippi. It was in force for 36 min. 2 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Apr 7, 2000, 9:59 PM CDT (02:59 UTC)
Expired: Apr 7, 2000, 10:35 PM CDT
In force: 36 min
Issued by: NWS Memphis, TN
Area: Whole counties

County Panola County, MS

The radar

The Memphis radar (KNQA), 109 km from the middle of the area, began a volume at 03:01 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.

What was reported inside it

Time	Report	Where	Remark
Apr 7, 10:05 PM CDT	Hail 1	Batesville, MS
Apr 7, 10:05 PM CDT	Thunderstorm Wind	Batesville, MS	A canopy was blown off of a gas station. One home had its front porch blown off. Windows were broken at several businesses and residences. Several trees were toppled.

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 3.0 hours before the alert went out and 52 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: 521 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1505 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 11 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

861 
WUUS54 KMEG 080259
SVRMEM
MSC107-080335-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
959 PM CDT FRI APR 7 2000


THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PANOLA COUNTY IN NORTHWESTERN MISSISSIPPI

* UNTIL 1035 PM CDT

* AT 958 PM CDT... DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  WITH LARGE HAIL AND DAMAGING WINDS NEAR BATESVILLE...MOVING
  EAST AT 40 MPH.

* THIS SEVERE THUNDERSTORM WILL MOVE INTO THE EASTERN SECTIONS OF
  PANOLA COUNTY.

.SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.


N

What forecasters said that day

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

NWS Memphis, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 7, 2:00 PM CDT, 7 hours 59 minutes earlier.

Area forecast discussion, Apr 7, 2:00 PM CDT, 7 hours 59 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
200 PM CDT FRI APR 7 2000

SURFACE MAPS SHOW SHARPENING COLD FRONT TO OUR NORTHWEST. AT
19Z...THE FRONT EXTENDED FROM CENTRAL MO INTO EXTREME NORTHWEST AR
AND DOWN TO NORTH CENTRAL TX. STRONG PRESSURE RISES BEHIND THIS
FRONT OF 6 MB/3 HR INDICATE THIS FRONT WILL CONTINUE TO SHARPEN AND
MOVE RAPIDLY THROUGH THE MID SOUTH THIS EVENING. AT UPPER
LEVELS...ENERGY WILL MOVE FROM THE PLAINS DIGGING A TROF OVER THE
REGION BY SATURDAY MORNING...WHICH WILL THEN PROGRESS EAST OF THE
REGION THROUGH THE WEEKEND.

SEVER WEATHER STARTING TO DEVELOP IN SOUTHEAST MO AND THUNDERSTORM
DEVELOPMENT CRANKING UP AHEAD OF FRONT IN AR. THE GREATEST THREAT OF
SEVERE WEATHER WILL BE THE NORTH HALF OF OUR COVERAGE AREA. SEE SPC
DISCUSSIONS FOR DETAILS. INSTABILITY MODERATE...NOT EXPECTING A HUGE
OUTBREAK. WE DO EXPECT A BROKEN LINE OF CONVECTION WITH SCATTERED
SEVERE REPORTS...STRAIGHT LINE WINDS MOST LIKELY.

THE COLD FRONT WILL SWEEP THROUGH MOST OF OUR AREA BY
MIDNIGHT...FOLLOWED BY MORE GUSTY WINDS WITH VARIABLE CLOUDINESS.
MUCH COOLER AIR ON THE WAY FOR LATE TONIGHT AND SATURDAY.
FORECAST WILL BE A LITTLE ABOVE GUIDANCE NUMBERS. THIS TIME OF YEAR
IT IS HARD TO HAVE ANY SUNSHINE AND STAY UNDER 50 DEGREES. AREAS
NORTHEAST OF MEMPHIS MAY WELL HAVE LINGERING CLOUDINESS INTO
SATURDAY AND WILL BE IN THE COLDEST AIR...PROBABLY STRUGGLING TOWARD
50 DEGREES.

SATURDAY NIGHT COULD BE THE COLDEST NIGHT IN QUITE A WHILE.
DEPENDING ON HOW QUICKLY HIGH PRESSURE BUILDS OVER THE WINDS
DECOUPLE...A FREEZE WARNING MAY BE NEEDED.

NOT MUCH TIME TO LOOK AT EXTENDED...WILL GENERALLY FOLLOW NA)TIONAL
GUIDANCE.

.MEM...NONE.
SH

In the hours before

Special weather statement, Apr 7, 9:26 PM CDT, 33 minutes before

ARZ026>028-035-MOZ113-115-TNZ001-002-019-048-080245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
926 PM CDT FRI APR 7 2000

SEVERE THUNDERSTORM WATCH NUMBER 161 FOR THE FOLLOWING COUNTIES HAS
BEEN CANCELLED...

IN ARKANSAS: CRAIGHEAD...CROSS...POINSETT...AND MISSISSIPPI

IN MISSOURI: DUNKLIN AND PEMISCOT

IN TENNESSEE: LAKE...DYER...LAUDERDALE...AND OBION

ALL SEVERE THUNDERSTORMS HAVE MOVED EAST OUT OF THESE COUNTIES.

N

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 7, 8:32 PM CDT	Severe Thunderstorm Warning	MEG	DeSoto	48 min
Apr 7, 8:50 PM CDT	Severe Thunderstorm Warning	MEG	Tunica	35 min
Apr 7, 9:23 PM CDT	Severe Thunderstorm Warning	MEG	Tate	47 min
Apr 7, 10:10 PM CDT	Severe Thunderstorm Warning	MEG	Lafayette	50 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2000 Every severe thunderstorm warning in 2000

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.