Alert archive / Mississippi / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 421, NWS Jackson, MS

June 4, 2001Copiah County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Jun 4, 2001, 4:26 PM CDT for Copiah County, Mississippi. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 4, 2001, 4:26 PM CDT (21:26 UTC)
Expired
Jun 4, 2001, 5:15 PM CDT
In force
49 min
Issued by
NWS Jackson, MS
Area
Whole counties

County Copiah County, MS

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.4 hours before the alert went out and 61 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 2001-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1966 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 2001-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -49 square meters per square second.1939Sfc1 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
1966 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
692 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-49 m²/s²
0-3 km storm-relative helicity
51 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 042126
SVRJAN
MSC029-042215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
426 PM CDT MON JUN 4 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  COPIAH COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 515 PM CDT

* AT 426 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 14 MILES SOUTHWEST OF HAZLEHURST...MOVING
  NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL...
  BE NEAR HAZLEHURST AT 440 PM CDT
  BE NEAR CRYSTAL SPRINGS AT 445 PM CDT

WINDS UP TO 60 MPH ARE LIKELY WITH THIS STORM.

HAIL TO THE SIZE OF DIMES IS LIKELY WITH THIS STORM.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 4, 12:34 PM CDTSevere Thunderstorm WarningJANLamar26 min
Jun 4, 1:07 PM CDTSevere Thunderstorm WarningJANCovington23 min
Jun 4, 1:24 PM CDTSevere Thunderstorm WarningJANHinds36 min
Jun 4, 1:33 PM CDTSevere Thunderstorm WarningJANRankin27 min
Jun 4, 1:35 PM CDTSevere Thunderstorm WarningJANCopiah25 min
Jun 4, 1:44 PM CDTSevere Thunderstorm WarningJANJasper31 min
Jun 4, 1:55 PM CDTSevere Thunderstorm WarningJANHinds35 min
Jun 4, 2:02 PM CDTSevere Thunderstorm WarningJANMadison, Rankin28 min
Jun 4, 2:14 PM CDTSevere Thunderstorm WarningJANClarke46 min
Jun 4, 2:30 PM CDTSevere Thunderstorm WarningJANMadison, Rankin45 min
Jun 4, 2:36 PM CDTSevere Thunderstorm WarningJANLauderdale, Newton39 min
Jun 4, 2:57 PM CDTSevere Thunderstorm WarningJANAttala48 min
Jun 4, 3:12 PM CDTSevere Thunderstorm WarningJANLeake, Neshoba33 min
Jun 4, 3:27 PM CDTSevere Thunderstorm WarningJANLincoln48 min
Jun 4, 3:34 PM CDTSevere Thunderstorm WarningJANCarroll, Holmes41 min
Jun 4, 3:34 PM CDTSevere Thunderstorm WarningJANMontgomery41 min
Jun 4, 3:47 PM CDTFlash Flood WarningJANAttala, Carroll, Holmes118 min
Jun 4, 4:00 PM CDTSevere Thunderstorm WarningJANJefferson30 min
Jun 4, 4:04 PM CDTSevere Thunderstorm WarningJANWinston41 min
Jun 4, 4:10 PM CDTSevere Thunderstorm WarningJANLowndes50 min
Jun 4, 4:32 PM CDTSevere Thunderstorm WarningJANFranklin28 min
Jun 4, 4:40 PM CDTSevere Thunderstorm WarningJANLamar35 min
Jun 4, 4:53 PM CDTSevere Thunderstorm WarningJANMarion52 min
Jun 4, 5:06 PM CDTSevere Thunderstorm WarningJANForrest24 min
Jun 4, 5:48 PM CDTSevere Thunderstorm WarningJANJasper42 min
Jun 4, 5:53 PM CDTSevere Thunderstorm WarningJANLamar, Marion52 min
Jun 4, 6:53 PM CDTSevere Thunderstorm WarningJANCovington, Jefferson Davis, Lamar37 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; the sounding from the Mesonet's radiosonde archive.