Alert archive / Mississippi / Tornado Warnings in 2000

Tornado Warning 29, NWS Jackson, MS

February 18, 2000Grenada County, Mississippi

NWS Jackson, MS issued this tornado warning at Feb 18, 2000, 4:53 PM CST for Grenada County, Mississippi. It was in force for 37 min. 1 report 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
Feb 18, 2000, 4:53 PM CST (22:53 UTC)
Expired
Feb 18, 2000, 5:30 PM CST
In force
37 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Grenada County, MS

What was reported inside it

TimeReportWhereRemark
Feb 18, 5:15 PM CSTTornado F0Hardy, MSSeveral trees were blown down by this weak tornado.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 18, 2:00 PM CSTTornado WatchSPC5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 10.9 hours before the alert went out and 119 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 2000-02-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 84 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2000-02-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 519 square meters per square second.1939587897Sfc1 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
84 J/kg
Mixed-layer CIN
-282 J/kg
Mixed-layer LCL
693 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
519 m²/s²
0-3 km storm-relative helicity
495 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.7

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KJAN 182254
TORJAN
MSC043-182330-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
453 PM CST FRI FEB 18 2000

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  GRENADA COUNTY IN NORTH CENTRAL MISSISSIPPI

* UNTIL 530 PM CST

* AT 453 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 17 MILES WEST OF GRENADA...OR ABOUT 11 MILES SOUTH OF
  CHARLESTON...MOVING EAST AT 50 MPH.

* THE TORNADO IS EXPECTED TO BE...
  NEAR GRENADA AT 510 PM CST

MOTORISTS SHOULD LOOK FOR SHELTER IN A SUBSTANTIAL BUILDING. AS A 
LAST RESORT...TAKE COVER IN A DITCH OR LOW SPOT. OVERPASSES ARE NOT 
SAFE!

LAT...LON 3394 9015 3376 9016 3371 8946 3394 8945

62

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 17, 6:15 PM CSTTornado WarningJANJasper, Newton45 min
Feb 18, 3:45 PM CSTSevere Thunderstorm WarningJANBolivar45 min
Feb 18, 4:13 PM CSTTornado WarningJANBolivar, Sunflower32 min
Feb 18, 4:35 PM CSTSevere Thunderstorm WarningJANLeflore25 min
Feb 18, 4:53 PM CSTSevere Thunderstorm WarningJANWashington52 min
Feb 18, 5:19 PM CSTTornado WarningJANSunflower, Washington41 min
Feb 18, 5:26 PM CSTTornado WarningJANGrenada34 min
Feb 18, 5:45 PM CSTTornado WarningJANLeflore45 min

Nearby

Tornado Warnings in Mississippi, 2000Every tornado warning in 2000Tornadoes 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.