Alert archive / Mississippi / Tornado Warnings in 1999

Tornado Warning 55, NWS Jackson, MS

January 22, 1999Yazoo County, Mississippi

NWS Jackson, MS issued this tornado warning at Jan 22, 1999, 9:39 AM CST for Yazoo County, Mississippi. It was in force for 51 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: Jan 22, 1999, 9:39 AM CST (15:39 UTC)
Expired: Jan 22, 1999, 10:30 AM CST
In force: 51 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Yazoo County, MS

The watch it was issued in

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

Issued	Product	Office	Lasted
Jan 22, 9:00 AM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 3.7 hours before the alert went out and 59 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: 958 J/kg
Mixed-layer CIN: -3 J/kg
Mixed-layer LCL: 631 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 245 m²/s²
0-3 km storm-relative helicity: 390 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 6.2

Open this sounding in Storm Lab

The text

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

999 
WFUS1 KJAN 221540 RRA
TORJAN
MSC163-221630-

BULLETIN- EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
939 AM CST FRI JAN 22 1999

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 1030 AM CST

* AT 938 AM CST... RADAR INDICATED A TORNADO 18 MILES SOUTHWEST OF
  YAZOO CITY... MOVING NORTHEAST AT 45 MPH.

* THE FOLLOWING LOCATION IS IN THE PATH OF THIS DANGEROUS STORM...
  YAZOO CITY AT 1000 AM CST

IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR
ROOM AWAY FROM WINDOWS.

59

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 21, 7:53 PM CST	Tornado Warning	JAN	Bolivar, Washington	62 min
Jan 21, 8:53 PM CST	Severe Thunderstorm Warning	JAN	Washington	47 min
Jan 21, 9:17 PM CST	Severe Thunderstorm Warning	JAN	Bolivar	33 min
Jan 21, 9:35 PM CST	Tornado Warning	JAN	Sunflower	50 min
Jan 21, 9:58 PM CST	Tornado Warning	JAN	Issaquena	47 min
Jan 21, 10:07 PM CST	Tornado Warning	JAN	Washington	48 min
Jan 21, 10:16 PM CST	Tornado Warning	JAN	Sharkey	49 min
Jan 21, 10:34 PM CST	Tornado Warning	JAN	Humphreys, Sunflower	46 min
Jan 21, 10:44 PM CST	Tornado Warning	JAN	Issaquena	36 min
Jan 21, 10:48 PM CST	Tornado Warning	JAN	Warren	32 min
Jan 21, 10:54 PM CST	Tornado Warning	JAN	Washington	51 min
Jan 21, 11:04 PM CST	Tornado Warning	JAN	Bolivar	51 min
Jan 21, 11:07 PM CST	Tornado Warning	JAN	Leflore	48 min
Jan 21, 11:26 PM CST	Tornado Warning	JAN	Sunflower	34 min
Jan 21, 11:48 PM CST	Severe Thunderstorm Warning	JAN	Bolivar, Washington	47 min
Jan 22, 12:02 AM CST	Tornado Warning	JAN	Bolivar, Sunflower	48 min
Jan 22, 8:16 AM CST	Tornado Warning	JAN	Washington	64 min
Jan 22, 8:46 AM CST	Severe Thunderstorm Warning	JAN	Adams	34 min
Jan 22, 8:49 AM CST	Tornado Warning	JAN	Sunflower	61 min
Jan 22, 8:52 AM CST	Tornado Warning	JAN	Humphreys	63 min
Jan 22, 9:11 AM CST	Severe Thunderstorm Warning	JAN	Jefferson	49 min
Jan 22, 9:14 AM CST	Tornado Warning	JAN	Leflore	46 min
Jan 22, 9:20 AM CST	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	45 min
Jan 22, 9:26 AM CST	Tornado Warning	JAN	Claiborne	49 min
Jan 22, 9:28 AM CST	Tornado Warning	JAN	Sharkey	47 min
Jan 22, 10:00 AM CST	Severe Thunderstorm Warning	JAN	Holmes	50 min
Jan 22, 10:03 AM CST	Severe Thunderstorm Warning	JAN	Hinds	47 min
Jan 22, 10:10 AM CST	Severe Thunderstorm Warning	JAN	Warren	30 min
Jan 22, 10:14 AM CST	Tornado Warning	JAN	Copiah	46 min
Jan 22, 10:17 AM CST	Tornado Warning	JAN	Holmes	48 min
Jan 22, 10:23 AM CST	Severe Thunderstorm Warning	JAN	Carroll, Grenada	62 min
Jan 22, 10:38 AM CST	Tornado Warning	JAN	Hinds	47 min
Jan 22, 10:44 AM CST	Severe Thunderstorm Warning	JAN	Montgomery	46 min
Jan 22, 11:15 AM CST	Tornado Warning	JAN	Madison	50 min
Jan 22, 11:55 AM CST	Severe Thunderstorm Warning	JAN	Hinds, Madison, Yazoo	50 min
Jan 22, 12:02 PM CST	Tornado Warning	JAN	Yazoo	48 min
Jan 22, 12:13 PM CST	Tornado Warning	JAN	Leake, Neshoba	47 min
Jan 22, 12:15 PM CST	Tornado Warning	JAN	Holmes	50 min
Jan 22, 12:29 PM CST	Tornado Warning	JAN	Winston	46 min
Jan 22, 1:01 PM CST	Severe Thunderstorm Warning	JAN	Noxubee, Oktibbeha	49 min
Jan 22, 1:04 PM CST	Severe Thunderstorm Warning	JAN	Montgomery	46 min
Jan 22, 1:07 PM CST	Tornado Warning	JAN	Adams	48 min
Jan 22, 1:12 PM CST	Tornado Warning	JAN	Warren	48 min
Jan 22, 1:30 PM CST	Tornado Warning	JAN	Sharkey	50 min
Jan 22, 1:34 PM CST	Severe Thunderstorm Warning	JAN	Attala, Holmes	51 min
Jan 22, 1:53 PM CST	Tornado Warning	JAN	Adams, Jefferson	47 min
Jan 22, 1:55 PM CST	Severe Thunderstorm Warning	JAN	Lowndes, Noxubee	50 min
Jan 22, 1:58 PM CST	Severe Thunderstorm Warning	JAN	Humphreys	47 min
Jan 22, 2:02 PM CST	Tornado Warning	JAN	Hinds	48 min
Jan 22, 2:05 PM CST	Severe Thunderstorm Warning	JAN	Montgomery	50 min
Jan 22, 2:08 PM CST	Tornado Warning	JAN	Claiborne	47 min
Jan 22, 2:18 PM CST	Severe Thunderstorm Warning	JAN	Lauderdale	47 min
Jan 22, 2:21 PM CST	Tornado Warning	JAN	Madison, Yazoo	49 min
Jan 22, 2:26 PM CST	Tornado Warning	JAN	Warren	49 min
Jan 22, 2:31 PM CST	Tornado Warning	JAN	Attala, Carroll, Holmes	49 min
Jan 22, 2:46 PM CST	Tornado Warning	JAN	Hinds	49 min
Jan 22, 2:48 PM CST	Tornado Warning	JAN	Montgomery	47 min
Jan 22, 2:56 PM CST	Severe Thunderstorm Warning	JAN	Adams, Jefferson	49 min
Jan 22, 3:07 PM CST	Tornado Warning	JAN	Attala, Madison	48 min
Jan 22, 3:07 PM CST	Tornado Warning	JAN	Holmes	48 min
Jan 22, 3:12 PM CST	Severe Thunderstorm Warning	JAN	Claiborne	48 min
Jan 22, 3:17 PM CST	Severe Thunderstorm Warning	JAN	Webster	48 min
Jan 22, 3:19 PM CST	Tornado Warning	JAN	Rankin	51 min
Jan 22, 3:21 PM CST	Tornado Warning	JAN	Copiah	49 min
Jan 22, 3:31 PM CST	Tornado Warning	JAN	Hinds	34 min
Jan 22, 3:36 PM CST	Tornado Warning	JAN	Franklin	49 min
Jan 22, 3:53 PM CST	Tornado Warning	JAN	Attala	47 min
Jan 22, 3:55 PM CST	Tornado Warning	JAN	Madison	50 min
Jan 22, 4:10 PM CST	Severe Thunderstorm Warning	JAN	Copiah, Lincoln	45 min
Jan 22, 4:10 PM CST	Severe Thunderstorm Warning	JAN	Hinds	45 min
Jan 22, 4:27 PM CST	Tornado Warning	JAN	Leake	48 min
Jan 22, 4:40 PM CST	Tornado Warning	JAN	Attala	50 min
Jan 22, 4:44 PM CST	Tornado Warning	JAN	Choctaw, Webster	51 min
Jan 22, 4:50 PM CST	Severe Thunderstorm Warning	JAN	Rankin, Simpson	50 min
Jan 22, 4:50 PM CST	Severe Thunderstorm Warning	JAN	Madison	50 min
Jan 22, 4:55 PM CST	Severe Thunderstorm Warning	JAN	Hinds	15 min
Jan 22, 5:04 PM CST	Tornado Warning	JAN	Lincoln	46 min
Jan 22, 5:24 PM CST	Severe Thunderstorm Warning	JAN	Attala, Leake	51 min
Jan 22, 5:26 PM CST	Severe Thunderstorm Warning	JAN	Lawrence	49 min
Jan 22, 5:39 PM CST	Tornado Warning	JAN	Jefferson Davis, Lawrence, Simpson	46 min

Nearby

Tornado Warnings in Mississippi, 1999 Every tornado warning in 1999 Tornadoes in 1999

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.