Alert archive / Mississippi / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 21, NWS Jackson, MS

January 29, 2001Covington County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jan 29, 2001, 12:28 PM CST for Covington County, Mississippi. It was in force for 47 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
Jan 29, 2001, 12:28 PM CST (18:28 UTC)
Expired
Jan 29, 2001, 1:15 PM CST
In force
47 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Covington County, MS

What was reported inside it

TimeReportWhereRemark
Jan 29, 12:40 PM CSTThunderstorm WindCountywide, MSNumerous 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
Jan 29, 11:30 AM CSTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 6.5 hours before the alert went out and 91 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, Jackson, MS at 12:00Z on 2001-01-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 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, Jackson, MS at 12:00Z on 2001-01-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 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
9 J/kg
Mixed-layer CIN
-166 J/kg
Mixed-layer LCL
723 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
301 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 
WUUS54 KJAN 291828
SVRJAN
MSC031-291915-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1228 PM CST MON JAN 29 2001

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI

* UNTIL 115 PM CST

* AT 1228 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 16 MILES SOUTHWEST OF COLLINS...MOVING
  NORTHEAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL...
  BE NEAR COLLINS AT 115 PM CST

DAMAGING WINDS AND TORRENTIAL RAINS ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS.

74

LAT...LON 3151 8956 3158 8942 <3178 8958 3165 8975
          3158 8969 3156 8961

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 29, 10:01 AM CSTSevere Thunderstorm WarningJANClaiborne, Warren29 min
Jan 29, 10:23 AM CSTSevere Thunderstorm WarningJANHinds37 min
Jan 29, 10:49 AM CSTSevere Thunderstorm WarningJANMadison41 min
Jan 29, 10:57 AM CSTSevere Thunderstorm WarningJANHinds33 min
Jan 29, 11:05 AM CSTSevere Thunderstorm WarningJANYazoo40 min
Jan 29, 11:11 AM CSTSevere Thunderstorm WarningJANRankin49 min
Jan 29, 11:25 AM CSTSevere Thunderstorm WarningJANMadison50 min
Jan 29, 11:56 AM CSTSevere Thunderstorm WarningJANJefferson Davis, Lawrence, Simpson64 min
Jan 29, 11:59 AM CSTSevere Thunderstorm WarningJANLeake, Scott46 min
Jan 29, 12:11 PM CSTSevere Thunderstorm WarningJANSmith49 min
Jan 29, 12:14 PM CSTSevere Thunderstorm WarningJANMarion46 min
Jan 29, 12:32 PM CSTSevere Thunderstorm WarningJANNeshoba, Newton43 min
Jan 29, 12:44 PM CSTSevere Thunderstorm WarningJANLamar46 min
Jan 29, 12:51 PM CSTSevere Thunderstorm WarningJANJasper, Jones39 min
Jan 29, 1:05 PM CSTSevere Thunderstorm WarningJANForrest40 min
Jan 29, 1:12 PM CSTSevere Thunderstorm WarningJANKemper, Lauderdale63 min
Jan 29, 1:18 PM CSTSevere Thunderstorm WarningJANClarke57 min
Jan 29, 1:30 PM CSTSevere Thunderstorm WarningJANJasper, Jones15 min
Jan 29, 1:45 PM CSTSevere Thunderstorm WarningJANForrest15 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2001Every severe thunderstorm warning in 2001

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.