Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 85, NWS Jackson, MS

March 2, 2012Clay County, Webster County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 2, 2012, 5:58 PM CST for Clay County, Webster County, Mississippi. It was in force for 47 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: Mar 2, 2012, 5:58 PM CST (23:58 UTC)
Expired: Mar 2, 2012, 6:45 PM CST
In force: 47 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Clay County, MS, Webster County, MS

The radar

The Columbus AFB radar (KGWX), 63 km from the middle of the area, began a volume at 00:02 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
Mar 2, 1:20 PM CST	Tornado Watch	SPC	9 hr
Mar 2, 4:47 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 12.0 hours before the alert went out and 158 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: 1625 J/kg
Mixed-layer CIN: -13 J/kg
Mixed-layer LCL: 645 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 291 m²/s²
0-3 km storm-relative helicity: 304 m²/s²
Significant tornado parameter: 3.2
Supercell composite: 11.9

Open this sounding in Storm Lab

The text

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

728 
WUUS54 KJAN 022358
SVRJAN
MSC025-155-030045-
/O.NEW.KJAN.SV.W.0085.120302T2358Z-120303T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
558 PM CST FRI MAR 2 2012

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEBSTER COUNTY IN NORTH CENTRAL MISSISSIPPI...
  CLAY COUNTY IN NORTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITY OF MONTPELIER...

* UNTIL 645 PM CST

* AT 558 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
  LOCATED 6 MILES WEST OF EUPORA MOVING EAST AT 55 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CLARKSON AND MATHISTON BY 610 PM CST...
  CUMBERLAND BY 615 PM CST...
  PHEBA BY 620 PM CST...
  MONTPELIER BY 625 PM CST...
  GRIFFITH BY 630 PM CST...
  PALA ALTO BY 635 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.

THE HAIL BEING PRODUCED BY THIS SEVERE THUNDERSTORM WILL LIKELY
DAMAGE CARS AND ROOFS. PEOPLE WHO ARE OUT OF DOORS SHOULD MOVE INSIDE
A STRUCTURE IMMEDIATELY.

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES. WHILE NOT IMMEDIATELY
LIKELY...A TORNADO MAY STILL DEVELOP. IF A TORNADO IS SPOTTED...ACT
QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE...SUCH AS
A BASEMENT OR SMALL INTERIOR ROOM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST FRIDAY EVENING
FOR SOUTHEASTERN MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 900 PM CST FRIDAY EVENING FOR NORTHERN MISSISSIPPI. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CST FRIDAY
EVENING FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND WESTERN
MISSISSIPPI.

&&

LAT...LON 3380 8871 3369 8871 3369 8865 3363 8863
      3356 8891 3356 8909 3353 8909 3352 8927
      3346 8938 3362 8946 3375 8914 3376 8894
      3382 8893 3382 8873
TIME...MOT...LOC 2358Z 252DEG 48KT 3357 8931

$$

BK

3 follow-up statements

106 
WWUS54 KJAN 030014
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
614 PM CST FRI MAR 2 2012

MSC025-155-030045-
/O.CON.KJAN.SV.W.0085.000000T0000Z-120303T0045Z/
WEBSTER MS-CLAY MS-
614 PM CST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CST
FOR CLAY AND WEBSTER COUNTIES...

AT 614 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR CLARKSON MOVING EAST AT 50 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  MANTEE BY 620 PM CST...
  MONTPELIER AND PHEBA BY 625 PM CST...
  GRIFFITH BY 630 PM CST...
  PALA ALTO BY 635 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.

THE HAIL BEING PRODUCED BY THIS SEVERE THUNDERSTORM WILL LIKELY
DAMAGE CARS AND ROOFS. PEOPLE WHO ARE OUT OF DOORS SHOULD MOVE INSIDE
A STRUCTURE IMMEDIATELY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST FRIDAY EVENING
FOR SOUTHEASTERN MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 900 PM CST FRIDAY EVENING FOR NORTHERN MISSISSIPPI. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CST FRIDAY
EVENING FOR NORTHEAST LOUISIANA AND WESTERN MISSISSIPPI.

&&

LAT...LON 3380 8871 3369 8871 3369 8865 3363 8863
      3356 8891 3356 8909 3353 8909 3352 8927
      3346 8938 3362 8946 3375 8914 3376 8894
      3382 8893 3382 8873
TIME...MOT...LOC 0014Z 252DEG 45KT 3362 8910

$$

JA

177 
WWUS54 KJAN 030021
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
621 PM CST FRI MAR 2 2012

MSC025-155-030045-
/O.CON.KJAN.SV.W.0085.000000T0000Z-120303T0045Z/
WEBSTER MS-CLAY MS-
621 PM CST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CST
FOR CLAY AND NORTHEASTERN WEBSTER COUNTIES...

AT 622 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR CUMBERLAND MOVING EAST AT 50 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  GRIFFITH BY 630 PM CST...
  PALA ALTO BY 635 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.

THE HAIL BEING PRODUCED BY THIS SEVERE THUNDERSTORM WILL LIKELY
DAMAGE CARS AND ROOFS. PEOPLE WHO ARE OUT OF DOORS SHOULD MOVE INSIDE
A STRUCTURE IMMEDIATELY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST FRIDAY EVENING
FOR SOUTHEASTERN MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 900 PM CST FRIDAY EVENING FOR NORTHERN MISSISSIPPI. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CST FRIDAY
EVENING FOR NORTHEAST LOUISIANA AND WESTERN MISSISSIPPI.

&&

LAT...LON 3380 8871 3369 8871 3369 8865 3363 8863
      3356 8894 3356 8909 3354 8909 3374 8910
      3376 8894 3382 8893 3382 8873
TIME...MOT...LOC 0022Z 252DEG 45KT 3365 8898

$$

498 
WWUS54 KJAN 030036
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
636 PM CST FRI MAR 2 2012

MSC155-030046-
/O.CAN.KJAN.SV.W.0085.000000T0000Z-120303T0045Z/
WEBSTER MS-
636 PM CST FRI MAR 2 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WEBSTER COUNTY IS
CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1100 PM CST FRIDAY EVENING
FOR SOUTHEASTERN MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 900 PM CST FRIDAY EVENING FOR NORTHERN MISSISSIPPI. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CST FRIDAY
EVENING FOR NORTHEAST LOUISIANA AND WESTERN MISSISSIPPI.

LAT...LON 3380 8871 3369 8871 3369 8865 3364 8864
      3362 8885 3364 8891 3375 8890 3378 8884
      3382 8875 3382 8874
TIME...MOT...LOC 0036Z 252DEG 45KT 3370 8878

$$

MSC025-030045-
/O.CON.KJAN.SV.W.0085.000000T0000Z-120303T0045Z/
CLAY MS-
636 PM CST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CST
FOR CENTRAL CLAY COUNTY...

AT 636 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR PALA
ALTO MOVING EAST AT 50 MPH.

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 SOUTHEASTERN MISSISSIPPI. A TORNADO WATCH ALSO REMAINS IN EFFECT
UNTIL 900 PM CST FRIDAY EVENING FOR NORTHERN MISSISSIPPI. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL 900 PM CST FRIDAY
EVENING FOR NORTHEAST LOUISIANA AND WESTERN MISSISSIPPI.

&&

LAT...LON 3380 8871 3369 8871 3369 8865 3364 8864
      3362 8885 3364 8891 3375 8890 3378 8884
      3382 8875 3382 8874
TIME...MOT...LOC 0036Z 252DEG 45KT 3370 8878

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 2, 3:18 AM CST	Wind Advisory	JAN	Bolivar, Carroll, Grenada, Holmes, Humphreys, Issaquena and 5 more	13 hr
Mar 2, 12:52 PM CST	Special Weather Statement	JAN	Choctaw	28 min
Mar 2, 1:27 PM CST	Special Weather Statement	JAN	Clay	33 min
Mar 2, 1:30 PM CST	Special Weather Statement	JAN	Grenada	30 min
Mar 2, 1:42 PM CST	Special Weather Statement	JAN	Choctaw	28 min
Mar 2, 1:56 PM CST	Severe Thunderstorm Warning	JAN	Grenada, Montgomery	33 min
Mar 2, 2:06 PM CST	Severe Thunderstorm Warning	JAN	Oktibbeha	39 min
Mar 2, 2:29 PM CST	Severe Thunderstorm Warning	JAN	Bolivar, Washington	61 min
Mar 2, 2:33 PM CST	Severe Thunderstorm Warning	JAN	Clay, Lowndes	41 min
Mar 2, 2:44 PM CST	Severe Thunderstorm Warning	JAN	Lowndes	31 min
Mar 2, 2:56 PM CST	Tornado Warning	JAN	Lowndes	18 min
Mar 2, 3:05 PM CST	Special Weather Statement	JAN	Sunflower	30 min
Mar 2, 3:25 PM CST	Severe Thunderstorm Warning	JAN	Carroll, Grenada, Leflore, Montgomery	65 min
Mar 2, 3:36 PM CST	Severe Thunderstorm Warning	JAN	Leflore, Sunflower, Washington	42 min
Mar 2, 3:54 PM CST	Special Weather Statement	JAN	Washington	31 min
Mar 2, 4:07 PM CST	Severe Thunderstorm Warning	JAN	Issaquena, Washington	53 min
Mar 2, 4:14 PM CST	Special Weather Statement	JAN	Marion	31 min
Mar 2, 4:20 PM CST	Special Weather Statement	JAN	Lawrence	30 min
Mar 2, 4:21 PM CST	Special Weather Statement	JAN	Jasper, Lauderdale	44 min
Mar 2, 4:32 PM CST	Severe Thunderstorm Warning	JAN	Carroll, Holmes, Humphreys, Leflore, Sunflower	58 min
Mar 2, 4:41 PM CST	Severe Thunderstorm Warning	JAN	Grenada, Montgomery, Webster	34 min
Mar 2, 4:55 PM CST	Special Weather Statement	JAN	Jones	30 min
Mar 2, 5:02 PM CST	Severe Thunderstorm Warning	JAN	Covington, Jones	44 min
Mar 2, 5:10 PM CST	Severe Thunderstorm Warning	JAN	Humphreys, Sharkey, Washington	35 min
Mar 2, 5:11 PM CST	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis	34 min
Mar 2, 5:12 PM CST	Severe Thunderstorm Warning	JAN	Clay, Webster	33 min
Mar 2, 5:19 PM CST	Severe Thunderstorm Warning	JAN	Carroll, Montgomery	41 min
Mar 2, 5:22 PM CST	Tornado Warning	JAN	Covington	23 min
Mar 2, 5:38 PM CST	Severe Thunderstorm Warning	JAN	Carroll, Holmes, Humphreys	67 min
Mar 2, 5:43 PM CST	Tornado Warning	JAN	Marion	27 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 2012 Every severe thunderstorm warning in 2012

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.