Alert archive / Mississippi / Tornado Warnings in 2004

Tornado Warning 47, NWS Jackson, MS

May 31, 2004Humphreys County, Sunflower County, Mississippi

NWS Jackson, MS issued this tornado warning at May 31, 2004, 1:02 AM CDT for Humphreys County, Sunflower County, Mississippi. It was in force for 43 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: May 31, 2004, 1:02 AM CDT (06:02 UTC)
Expired: May 31, 2004, 1:45 AM CDT
In force: 43 min
Issued by: NWS Jackson, MS
Area: Counties, with a storm outline in the text

Counties Humphreys County, MS, Sunflower County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 129 km from the middle of the area, began a volume at 06:02 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.

Issued	Product	Office	Lasted
May 30, 10:55 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 6.0 hours before the alert went out and 122 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: 4361 J/kg
Mixed-layer CIN: -1 J/kg
Mixed-layer LCL: 814 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 156 m²/s²
0-3 km storm-relative helicity: 215 m²/s²
Significant tornado parameter: 3.4
Supercell composite: 17.5

Open this sounding in Storm Lab

The text

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

356 
WFUS54 KJAN 310602
TORJAN
MSC053-133-310645-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
101 AM CDT MON MAY 31 2004

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  SUNFLOWER COUNTY IN NORTHWEST MISSISSIPPI
  HUMPHREYS COUNTY IN CENTRAL MISSISSIPPI

* UNTIL 145 AM CDT

* AT 1257 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  TORNADO 19 MILES SOUTHWEST OF INDIANOLA...OR ABOUT 7 MILES SOUTH OF
  LELAND...MOVING EAST AT 50 MPH.

* THE TORNADO IS EXPECTED TO BE NEAR...
  INDIANOLA BY 115 AM CDT
  ISOLA AND INVERNESS BY 120 AM 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

LAT...LON 3344 9076 3313 9069 3314 9037 3331 9046
          3351 9048

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 30, 9:12 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar	63 min
May 30, 10:22 PM CDT	Severe Thunderstorm Warning	JAN	Grenada, Leflore	38 min
May 30, 10:52 PM CDT	Tornado Warning	JAN	Grenada	53 min
May 30, 11:21 PM CDT	Severe Thunderstorm Warning	JAN	Montgomery, Webster	59 min
May 30, 11:31 PM CDT	Severe Thunderstorm Warning	JAN	Carroll	24 min
May 30, 11:36 PM CDT	Flash Flood Warning	JAN	Carroll, Grenada, Leflore	6 hr
May 30, 11:56 PM CDT	Flash Flood Warning	JAN	Bolivar, Sunflower, Washington	6 hr
May 31, 12:01 AM CDT	Severe Thunderstorm Warning	JAN	Carroll	44 min
May 31, 12:16 AM CDT	Tornado Warning	JAN	Carroll, Montgomery	44 min
May 31, 12:37 AM CDT	Severe Thunderstorm Warning	JAN	Washington	48 min
May 31, 12:46 AM CDT	Tornado Warning	JAN	Washington	39 min
May 31, 12:58 AM CDT	Severe Thunderstorm Warning	JAN	Clay, Oktibbeha	47 min
May 31, 1:23 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Holmes, Leflore	57 min
May 31, 1:32 AM CDT	Severe Thunderstorm Warning	JAN	Lowndes	48 min
May 31, 2:13 AM CDT	Severe Thunderstorm Warning	JAN	Attala	47 min
May 31, 2:29 AM CDT	Severe Thunderstorm Warning	JAN	Leake	31 min
May 31, 5:02 AM CDT	Flash Flood Warning	JAN	Hinds, Rankin	3 hr
May 31, 9:00 AM CDT	Severe Thunderstorm Warning	JAN	Marion	20 min
May 31, 9:52 AM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Marion	43 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.