Alert archive / Mississippi / Tornado Warnings in 2004

Tornado Warning 33, NWS Jackson, MS

April 29, 2004Yazoo County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 29, 2004, 8:31 PM CDT for Yazoo County, Mississippi. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 29, 2004, 8:31 PM CDT (01:31 UTC)
Expired
Apr 29, 2004, 9:15 PM CDT
In force
44 min
Issued by
NWS Jackson, MS
Area
Counties, with a storm outline in the text

County Yazoo County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 71 km from the middle of the area, began a volume at 01:33 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.

The watch it was issued in

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

IssuedProductOfficeLasted
Apr 29, 6:55 PM CDTTornado WatchSPC3 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.5 hours before the alert went out and 65 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 00:00Z on 2004-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 851 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, Jackson, MS at 00:00Z on 2004-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 109 square meters per square second.193958Sfc1 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
851 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
851 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
109 m²/s²
0-3 km storm-relative helicity
181 m²/s²
Significant tornado parameter
0.6
Supercell composite
2.8

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KJAN 300131
TORJAN
MSC163-300215-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
831 PM CDT THU APR 29 2004

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 915 PM CDT

* AT 828 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 5 MILES NORTH OF BENTON...OR ABOUT 9 MILES EAST OF YAZOO
  CITY...MOVING EAST AT 20 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  I-55 EXIT 139 BY 900 PM CDT

TORNADOES AT NIGHT ARE ESPECIALLY DANGEROUS. DO NOT WAIT UNTIL YOU
SEE OR HEAR THE TORNADO - IT MAY BE TOO LATE. TAKE COVER NOW

A TORNADO WATCH REMAINS IN EFFECT UNTIL 700 PM CDT THURSDAY EVENING
FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND NORTHWESTERN
MISSISSIPPI.

LAT...LON 3298 9036 3299 9026 3293 9014 3293 9010
          3287 8997 3283 9002 3283 9016 3282 9017
          3282 9034

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 7:00 PM CDTSevere Thunderstorm WarningJANCovington, Jones, Marion45 min
Apr 29, 7:08 PM CDTSevere Thunderstorm WarningJANHolmes42 min
Apr 29, 7:13 PM CDTSevere Thunderstorm WarningJANClaiborne57 min
Apr 29, 7:24 PM CDTSevere Thunderstorm WarningJANHumphreys, Sharkey46 min
Apr 29, 7:27 PM CDTSevere Thunderstorm WarningJANHinds78 min
Apr 29, 7:36 PM CDTTornado WarningJANClaiborne44 min
Apr 29, 7:42 PM CDTSevere Thunderstorm WarningJANWarren43 min
Apr 29, 7:47 PM CDTTornado WarningJANYazoo43 min
Apr 29, 7:49 PM CDTSevere Thunderstorm WarningJANAttala46 min
Apr 29, 8:02 PM CDTSevere Thunderstorm WarningJANJasper, Newton43 min
Apr 29, 8:11 PM CDTTornado WarningJANHinds59 min
Apr 29, 8:27 PM CDTSevere Thunderstorm WarningJANLauderdale28 min
Apr 29, 8:28 PM CDTTornado WarningJANAttala, Choctaw57 min
Apr 29, 8:37 PM CDTSevere Thunderstorm WarningJANHolmes58 min
Apr 29, 8:47 PM CDTTornado WarningJANCopiah48 min
Apr 29, 8:58 PM CDTSevere Thunderstorm WarningJANHolmes37 min
Apr 29, 9:03 PM CDTSevere Thunderstorm WarningJANRankin57 min
Apr 29, 9:11 PM CDTTornado WarningJANHinds, Rankin59 min
Apr 29, 9:12 PM CDTTornado WarningJANYazoo58 min
Apr 29, 9:28 PM CDTTornado WarningJANSimpson77 min
Apr 29, 9:36 PM CDTSevere Thunderstorm WarningJANAttala, Madison44 min
Apr 29, 9:48 PM CDTSevere Thunderstorm WarningJANLeake62 min
Apr 29, 9:53 PM CDTSevere Thunderstorm WarningJANCarroll27 min
Apr 29, 10:11 PM CDTSevere Thunderstorm WarningJANRankin39 min

Nearby

Tornado Warnings in Mississippi, 2004Every tornado warning in 2004Tornadoes in 2004

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; radar from the NEXRAD Level II archive.