Alert archive / Mississippi / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 80, NWS Jackson, MS

March 2, 2012Clay County, Webster County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Mar 2, 2012, 5:12 PM CST for Clay County, Webster County, Mississippi. It was in force for 33 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: Mar 2, 2012, 5:12 PM CST (23:12 UTC)
Expired: Mar 2, 2012, 5:45 PM CST
In force: 33 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Clay County, MS, Webster County, MS

The radar

The Columbus AFB radar (KGWX), 64 km from the middle of the area, began a volume at 23:11 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
Mar 2, 5:23 PM CST	TSTM WND DMG	Mantee, MS	TREES DOWN IN THE MANTEE AND MONTEVISTA COMMUNITIES
Mar 2, 5:25 PM CST	TSTM WND DMG	4 W Montpelier, MS	A ROOF WAS BLOWN OFF A SHED
Mar 2, 5:28 PM CST	HAIL 1.75	Mantee, MS	QUARTER TO GOLF BALL SIZED HAIL

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
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, 11.2 hours before the alert went out and 149 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.

053 
WUUS54 KJAN 022312
SVRJAN
MSC025-155-022345-
/O.NEW.KJAN.SV.W.0080.120302T2312Z-120302T2345Z/

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

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

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

* UNTIL 545 PM CST

* AT 512 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PING PONG BALL SIZE
  HAIL...AND DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS
  LOCATED NEAR BELLEFONTAINE MOVING EAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CUMBERLAND BY 520 PM CST...
  MONTPELIER BY 530 PM CST...
  PALA ALTO AND GRIFFITH BY 540 PM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS OF 70 MPH CAN SERIOUSLY DAMAGE MOBILE HOMES AND OUTBUILDINGS...
AND CAUSE ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES. NUMEROUS
DOWNED TREES MAY OCCUR...POSSIBLY RESULTING IN SERIOUS INJURY AND
PROPERTY DAMAGE.

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.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FRIDAY EVENING FOR
NORTHERN MISSISSIPPI.

&&

LAT...LON 3381 8872 3362 8872 3358 8934 3373 8938
      3373 8920 3375 8919 3374 8904 3376 8903
      3376 8894 3382 8893 3382 8873
TIME...MOT...LOC 2312Z 257DEG 45KT 3367 8924

$$

BK

2 follow-up statements

957 
WWUS54 KJAN 022319
SVSJAN

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

MSC025-155-022345-
/O.CON.KJAN.SV.W.0080.000000T0000Z-120302T2345Z/
WEBSTER MS-CLAY MS-
519 PM CST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CST
FOR NORTHWESTERN CLAY AND NORTHEASTERN WEBSTER COUNTIES...

AT 519 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HEN EGG SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR
CLARKSON MOVING EAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  MANTEE BY 525 PM CST...
  MONTPELIER BY 535 PM CST...
  GRIFFITH BY 540 PM CST...
  PALA ALTO BY 545 PM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS OF 70 MPH CAN SERIOUSLY DAMAGE MOBILE HOMES AND OUTBUILDINGS...
AND CAUSE ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES. NUMEROUS
DOWNED TREES MAY OCCUR...POSSIBLY RESULTING IN SERIOUS INJURY AND
PROPERTY DAMAGE.

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 SMALL INTERIOR ROOM.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS!

&&

LAT...LON 3381 8872 3362 8872 3361 8926 3373 8933
      3373 8920 3375 8919 3374 8904 3376 8903
      3376 8894 3382 8893 3382 8873
TIME...MOT...LOC 2319Z 256DEG 40KT 3369 8914

$$

BK

810 
WWUS54 KJAN 022333
SVSJAN

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

MSC155-022343-
/O.CAN.KJAN.SV.W.0080.000000T0000Z-120302T2345Z/
WEBSTER MS-
533 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 SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND WESTERN
MISSISSIPPI.

LAT...LON 3362 8872 3361 8902 3363 8902 3364 8904
      3374 8904 3376 8903 3376 8894 3382 8893
      3382 8873
TIME...MOT...LOC 2333Z 256DEG 40KT 3372 8896

$$

MSC025-022345-
/O.CON.KJAN.SV.W.0080.000000T0000Z-120302T2345Z/
CLAY MS-
533 PM CST FRI MAR 2 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CST
FOR NORTHWESTERN CLAY COUNTY...

AT 533 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A SEVERE THUNDERSTORM CAPABLE OF PRODUCING HEN EGG SIZE HAIL...AND
DESTRUCTIVE WINDS IN EXCESS OF 70 MPH.  THIS STORM WAS LOCATED NEAR
MONTPELIER MOVING EAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  GRIFFITH BY 540 PM CST...
  PALA ALTO BY 545 PM CST...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WINDS OF 70 MPH CAN SERIOUSLY DAMAGE MOBILE HOMES AND OUTBUILDINGS...
AND CAUSE ROOF DAMAGE TO WELL BUILT HOMES AND STRUCTURES. NUMEROUS
DOWNED TREES MAY OCCUR...POSSIBLY RESULTING IN SERIOUS INJURY AND
PROPERTY DAMAGE.

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 SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND WESTERN
MISSISSIPPI.

&&

LAT...LON 3362 8872 3361 8902 3363 8902 3364 8904
      3374 8904 3376 8903 3376 8894 3382 8893
      3382 8873
TIME...MOT...LOC 2333Z 256DEG 40KT 3372 8896

$$

DHB

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, 5:19 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
Mar 2, 5:58 PM CST	Severe Thunderstorm Warning	JAN	Clay, Webster	47 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.