Alert archive / Mississippi / Tornado Warnings in 1999

Tornado Warning 111, NWS Jackson, MS

February 27, 1999Smith County, Mississippi

NWS Jackson, MS issued this tornado warning at Feb 27, 1999, 6:04 PM CST for Smith County, Mississippi. It was in force for 51 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 27, 1999, 6:04 PM CST (00:04 UTC)
Expired
Feb 27, 1999, 6:55 PM CST
In force
51 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Smith County, MS

What was reported inside it

TimeReportWhereRemark
Feb 27, 6:22 PM CSTThunderstorm WindTaylorsville, MSSeveral trees were blown down.

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 27, 3:45 PM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.1 hours before the alert went out and 197 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, Slidell Radar S, LA at 00:00Z on 1999-02-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 11 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 1999-02-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 102 square meters per square second.1939587897117136Sfc1 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
11 J/kg
Mixed-layer CIN
-169 J/kg
Mixed-layer LCL
1111 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
102 m²/s²
0-3 km storm-relative helicity
150 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 KJAN 280004 RRA
TORJAN
MSC129-280055-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
604 PM CST SAT FEB 27 1999

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SMITH COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 655 PM CST

* AT 603 PM CST... RADAR INDICATED A THUNDERSTORM CAPABLE OF
  PRODUCING A TORNADO 14 MILES SOUTHWEST OF RALEIGH OR 7 MILES WEST
  OF MIZE... MOVING EAST AT 45 MPH.

* SOME LOCATIONS IN THE PATH OF THIS DANGEROUS STORM INCLUDE...
  MIZE  AT 610 PM CST
  TAYLORSVILLE AT 620 PM CST

IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR
ROOM AWAY FROM WINDOWS.

68

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 27, 6:06 PM CSTSevere Thunderstorm WarningJANNewton, Scott49 min
Feb 27, 6:17 PM CSTSevere Thunderstorm WarningJANLamar48 min
Feb 27, 6:24 PM CSTSevere Thunderstorm WarningJANJasper, Jones51 min
Feb 27, 6:27 PM CSTSevere Thunderstorm WarningJANForrest48 min
Feb 27, 6:35 PM CSTSevere Thunderstorm WarningJANClarke50 min

Nearby

Tornado Warnings in Mississippi, 1999Every tornado warning in 1999Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.