Alert archive / Mississippi / Tornado Warnings in 2004

Tornado Warning 40, NWS Jackson, MS

May 1, 2004Covington County, Jefferson Davis County, Lawrence County, Mississippi

NWS Jackson, MS issued this tornado warning at May 1, 2004, 4:25 PM CDT for Covington County, Jefferson Davis County, Lawrence County, Mississippi. It was in force for 60 min. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 1, 2004, 4:25 PM CDT (21:25 UTC)
Expired: May 1, 2004, 5:25 PM CDT
In force: 60 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

Counties Covington County, MS, Jefferson Davis County, MS, Lawrence County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 78 km from the middle of the area, began a volume at 21:27 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.

What was reported inside it

Time	Report	Where	Remark
May 1, 4:45 PM CDT	TSTM WND DMG	Prentiss, MS	LARGE TREE ON ROAD ACROSS FROM FIRE DEPARTMENT
May 1, 4:50 PM CDT	TSTM WND DMG	Bassfield, MS	15-20 TREES DOWN ACROSS HIGHWAY 35 AND 42.
May 1, 4:50 PM CDT	TSTM WND DMG	Prentiss, MS	TREES DOWN ON HIGHWAY 35 AND 42.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 1, 4:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 9.4 hours before the alert went out and 85 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1278 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 16 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.

829 
WFUS54 KJAN 012125
TORJAN
MSC031-065-077-012225-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
425 PM CDT SAT MAY 1 2004

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  COVINGTON COUNTY IN SOUTHEAST MISSISSIPPI
  LAWRENCE COUNTY IN SOUTH CENTRAL MISSISSIPPI
  JEFFERSON DAVIS COUNTY IN SOUTH CENTRAL MISSISSIPPI

* UNTIL 525 PM CDT

* AT 422 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 9 MILES SOUTHWEST OF PRENTISS...OR ABOUT 17 MILES NORTHWEST
  OF COLUMBIA...MOVING NORTHEAST AT 45 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  PRENTISS BY 430 PM CDT
  COLLINS AND MOUNT OLIVE BY 450 PM CDT

DOPPLER RADAR INDICATED A TORNADO MAY FORM AT ANY TIME. TAKE COVER
NOW. ABANDON MOBILE HOMES AND VEHICLES. MOVE TO AN INTERIOR ROOM OR
HALLWAY ON THE LOWEST FLOOR.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT
SATURDAY EVENING FOR SOUTHEASTERN MISSISSIPPI.

LAT...LON 3152 9006 3162 8990 3174 8970 3178 8941
          3165 8941 3139 8994

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 1:57 PM CDT	Severe Thunderstorm Warning	JAN	Forrest	28 min
May 1, 2:10 PM CDT	Severe Thunderstorm Warning	JAN	Lamar	30 min
May 1, 3:24 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis	46 min
May 1, 3:40 PM CDT	Severe Thunderstorm Warning	JAN	Covington	45 min
May 1, 3:42 PM CDT	Tornado Warning	JAN	Covington, Jefferson Davis	43 min
May 1, 4:01 PM CDT	Tornado Warning	JAN	Lawrence	44 min
May 1, 4:13 PM CDT	Severe Thunderstorm Warning	JAN	Smith	57 min
May 1, 4:18 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	57 min
May 1, 4:47 PM CDT	Tornado Warning	JAN	Jasper, Smith	58 min
May 1, 5:39 PM CDT	Severe Thunderstorm Warning	JAN	Kemper, Neshoba	46 min
May 1, 5:49 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	46 min
May 1, 5:51 PM CDT	Severe Thunderstorm Warning	JAN	Clarke	44 min
May 1, 6:10 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	45 min
May 1, 6:14 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	41 min
May 1, 6:17 PM CDT	Tornado Warning	JAN	Kemper	28 min
May 1, 6:38 PM CDT	Severe Thunderstorm Warning	JAN	Noxubee	22 min

Nearby

Tornado Warnings in Mississippi, 2004 Every tornado warning in 2004 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.