Alert archive / Mississippi / Severe Thunderstorm Warnings in 2011

Severe Thunderstorm Warning 4, NWS Jackson, MS

December 31, 2010Issaquena County, Sharkey County, Mississippi; East Carroll Parish, Louisiana

NWS Jackson, MS issued this severe thunderstorm warning at Dec 31, 2010, 7:19 PM CST for Issaquena County, Sharkey County, Mississippi; East Carroll Parish, Louisiana. It was in force for 56 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: Dec 31, 2010, 7:19 PM CST (01:19 UTC)
Expired: Dec 31, 2010, 8:15 PM CST
In force: 56 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties East Carroll Parish, LA, Issaquena County, MS, Sharkey County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 115 km from the middle of the area, began a volume at 01:23 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 nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.3 hours before the alert went out and 240 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: 1802 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: -9 m²/s²
0-3 km storm-relative helicity: 162 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.1

Open this sounding in Storm Lab

The text

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

206 
WUUS54 KJAN 010119
SVRJAN
LAC035-MSC055-125-010215-
/O.NEW.KJAN.SV.W.0004.110101T0119Z-110101T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
719 PM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CARROLL PARISH IN NORTHEAST LOUISIANA...
  THIS INCLUDES THE CITIES OF...TRANSYLVANIA...LAKE PROVIDENCE...
  NORTHWESTERN ISSAQUENA COUNTY IN WEST CENTRAL MISSISSIPPI...
  SHARKEY COUNTY IN WEST CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITY OF ROLLING FORK...

* UNTIL 815 PM CST

* AT 719 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED NEAR LAKE PROVIDENCE MOVING
  NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  LAKE PROVIDENCE AND SHELBURN BY 725 PM CST...
  FITLER BY 730 PM CST...
  ONWARD BY 735 PM CST...
  GLEN ALLAN BY 740 PM CST...
  GRACE AND ROLLING FORK BY 745 PM CST...
  NITTA YUMA AND ANGUILLA BY 750 PM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS OF 60 MPH CAN BRING DOWN TREES...POSSIBLY RESULTING IN INJURY
AND PROPERTY DAMAGE. ROOFS OF MOBILE HOMES AND OUTBUILDINGS COULD BE
DAMAGED...AND MINOR ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES
COULD OCCUR.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST FRIDAY EVENING
FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND MISSISSIPPI.

&&

LAT...LON 3270 9137 3276 9133 3287 9133 3302 9112
      3302 9092 3311 9091 3310 9077 3291 9066
      3284 9075 3282 9075 3281 9070 3278 9071
      3261 9134
TIME...MOT...LOC 0119Z 236DEG 45KT 3278 9123

$$

COHEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 31, 6:00 PM CST	Severe Thunderstorm Warning	JAN	Leake, Rankin, Scott	60 min
Dec 31, 6:09 PM CST	Tornado Warning	JAN	Rankin, Scott, Smith	66 min
Dec 31, 7:02 PM CST	Severe Thunderstorm Warning	JAN	Neshoba, Newton	58 min
Dec 31, 7:20 PM CST	Severe Thunderstorm Warning	JAN	Franklin, Lincoln	55 min
Dec 31, 7:26 PM CST	Tornado Warning	JAN	Franklin, Lincoln	64 min
Dec 31, 7:54 PM CST	Severe Thunderstorm Warning	JAN	Kemper, Neshoba	49 min
Dec 31, 8:00 PM CST	Severe Thunderstorm Warning	JAN	Humphreys, Sharkey, Washington	60 min
Dec 31, 8:03 PM CST	Tornado Warning	JAN	Copiah	40 min
Dec 31, 8:11 PM CST	Severe Thunderstorm Warning	JAN	Issaquena	33 min
Dec 31, 8:25 PM CST	Severe Thunderstorm Warning	JAN	Carroll, Holmes, Leflore	50 min
Dec 31, 9:02 PM CST	Flash Flood Warning	JAN	Holmes, Humphreys, Issaquena, Sharkey, Washington, Yazoo	3 hr
Dec 31, 9:26 PM CST	Flash Flood Watch	JAN	Attala, Carroll, Choctaw, Clay, Grenada, Holmes and 9 more	7 hr
Dec 31, 9:36 PM CST	Severe Thunderstorm Warning	JAN	Holmes	69 min
Dec 31, 9:37 PM CST	Flash Flood Warning	JAN	Carroll, Grenada, Humphreys, Montgomery	3 hr
Dec 31, 9:50 PM CST	Severe Thunderstorm Warning	JAN	Yazoo	40 min
Dec 31, 10:01 PM CST	Severe Thunderstorm Warning	JAN	Attala, Carroll, Montgomery	59 min
Dec 31, 10:11 PM CST	Tornado Warning	JAN	Holmes	42 min
Dec 31, 10:15 PM CST	Severe Thunderstorm Warning	JAN	Webster	60 min
Dec 31, 10:18 PM CST	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey, Warren, Yazoo	42 min
Dec 31, 10:21 PM CST	Tornado Warning	JAN	Carroll, Choctaw, Montgomery, Webster	54 min
Dec 31, 10:28 PM CST	Flash Flood Warning	JAN	Webster	3 hr
Dec 31, 10:59 PM CST	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Issaquena, Warren, Yazoo	61 min
Dec 31, 11:07 PM CST	Tornado Warning	JAN	Holmes, Humphreys, Yazoo	53 min
Dec 31, 11:22 PM CST	Severe Thunderstorm Warning	JAN	Claiborne, Hinds, Warren	68 min
Dec 31, 11:29 PM CST	Flash Flood Warning	JAN	Hinds, Madison, Rankin, Warren, Yazoo	4 hr
Dec 31, 11:35 PM CST	Tornado Warning	JAN	Copiah, Lawrence, Lincoln, Simpson	55 min
Dec 31, 11:39 PM CST	Tornado Warning	JAN	Attala, Holmes	66 min
Dec 31, 11:56 PM CST	Severe Thunderstorm Warning	JAN	Madison, Yazoo	64 min
Dec 31, 11:58 PM CST	Flash Flood Warning	JAN	Attala, Choctaw, Holmes	3 hr
Jan 1, 12:11 AM CST	Tornado Warning	JAN	Rankin, Scott, Smith	64 min
Jan 1, 12:16 AM CST	Tornado Warning	JAN	Leake, Madison	59 min
Jan 1, 12:21 AM CST	Tornado Warning	JAN	Choctaw, Clay, Montgomery, Oktibbeha, Winston	54 min
Jan 1, 12:46 AM CST	Tornado Warning	JAN	Attala, Choctaw, Leake, Neshoba, Winston	59 min
Jan 1, 1:05 AM CST	Tornado Warning	JAN	Clay, Lowndes, Oktibbeha	55 min
Jan 1, 1:11 AM CST	Tornado Warning	JAN	Kemper, Neshoba, Newton, Scott	64 min
Jan 1, 1:38 AM CST	Severe Thunderstorm Warning	JAN	Scott, Smith	67 min
Jan 1, 1:46 AM CST	Flash Flood Warning	JAN	Copiah, Simpson, Smith	5 hr
Jan 1, 1:47 AM CST	Tornado Warning	JAN	Kemper, Neshoba, Noxubee, Winston	58 min
Jan 1, 1:50 AM CST	Tornado Warning	JAN	Lowndes	25 min
Jan 1, 1:54 AM CST	Flash Flood Warning	JAN	Leake, Neshoba, Newton, Scott	3 hr
Jan 1, 2:05 AM CST	Flash Flood Warning	JAN	Lowndes, Noxubee, Oktibbeha, Winston	2 hr
Jan 1, 2:40 AM CST	Tornado Warning	JAN	Noxubee	17 min
Jan 1, 2:45 AM CST	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale, Neshoba, Newton	60 min
Jan 1, 2:51 AM CST	Flash Flood Warning	JAN	Kemper, Lauderdale	3 hr
Jan 1, 2:56 AM CST	Tornado Warning	JAN	Kemper	64 min
Jan 1, 3:24 AM CST	Tornado Warning	JAN	Noxubee	34 min
Jan 1, 3:41 AM CST	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale	79 min
Jan 1, 4:21 AM CST	Severe Thunderstorm Warning	JAN	Covington, Jasper, Jefferson Davis, Jones, Smith	50 min
Jan 1, 4:34 AM CST	Tornado Warning	JAN	Covington, Jasper, Jones, Smith	34 min
Jan 1, 4:47 AM CST	Flash Flood Warning	JAN	Clarke, Jasper, Jones	3 hr
Jan 1, 9:41 AM CST	River Flood Warning	JAN	Clay	23 hr
Dec 31, 6:22 PM CST	Severe Thunderstorm Warning	JAN	Richland, West Carroll	53 min
Dec 31, 7:28 PM CST	Severe Thunderstorm Warning	JAN	Franklin, Richland	62 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2011 Severe Thunderstorm Warnings in Louisiana, 2011 Every severe thunderstorm warning in 2011

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.