Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 173, NWS Jackson, MS

May 26, 2011Forrest County, Lamar County, Mississippi

NWS Jackson, MS issued this tornado warning at May 26, 2011, 1:18 PM CDT for Forrest County, Lamar County, Mississippi. It was in force for 46 min. 2 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: May 26, 2011, 1:18 PM CDT (18:18 UTC)
Expired: May 26, 2011, 2:04 PM CDT
In force: 46 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Forrest County, MS, Lamar County, MS

The radar

The Mobile radar (KMOB), 118 km from the middle of the area, began a volume at 18:18 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
May 26, 1:35 PM CDT	HAIL 1.75	5 Wnw Mclaurin, MS
May 26, 1:35 PM CDT	HAIL 2	4 Nnw Rock Hill, MS

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 6.3 hours before the alert went out and 110 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: 3259 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 464 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 130 m²/s²
0-3 km storm-relative helicity: 133 m²/s²
Significant tornado parameter: 2.0
Supercell composite: 12.8

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KJAN 261818
TORJAN
MSC035-073-261915-
/O.NEW.KJAN.TO.W.0173.110526T1818Z-110526T1915Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
118 PM CDT THU MAY 26 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN FORREST COUNTY IN SOUTHEAST MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...PETAL...HATTIESBURG...
  CENTRAL LAMAR COUNTY IN SOUTHEAST MISSISSIPPI...

* UNTIL 215 PM CDT

* AT 118 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR PURVIS
  MOVING EAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO      
  MCLAURIN...SUNRISE AND MACEDONIA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING 
QUARTER SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

&&

LAT...LON 3106 8949 3122 8956 3143 8913 3122 8913
      3114 8914
TIME...MOT...LOC 1818Z 250DEG 20KT 3117 8942

$$

DL

2 follow-up statements

584 
WWUS54 KJAN 261838
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
138 PM CDT THU MAY 26 2011

MSC073-261848-
/O.CAN.KJAN.TO.W.0173.000000T0000Z-110526T1915Z/
LAMAR MS-
138 PM CDT THU MAY 26 2011

...THE TORNADO WARNING FOR EAST CENTRAL LAMAR COUNTY IS CANCELLED...

LAT...LON 3109 8934 3111 8934 3112 8935 3126 8935
      3138 8913 3122 8913 3122 8914 3117 8914
      3114 8914
TIME...MOT...LOC 1838Z 257DEG 17KT 3120 8931

$$

MSC035-261915-
/O.CON.KJAN.TO.W.0173.000000T0000Z-110526T1915Z/
FORREST MS-
138 PM CDT THU MAY 26 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR CENTRAL
FORREST COUNTY...

AT 138 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED 7 MILES WEST OF MCLAURIN MOVING EAST AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SUNRISE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WARNING MEANS THAT A TORNADO IS OCCURRING OR IMMINENT. YOU
SHOULD ACTIVATE YOUR TORNADO ACTION PLAN AND TAKE PROTECTIVE ACTION
NOW.

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING HALF 
DOLLAR SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

&&

LAT...LON 3109 8934 3111 8934 3112 8935 3126 8935
      3138 8913 3122 8913 3122 8914 3117 8914
      3114 8914
TIME...MOT...LOC 1838Z 257DEG 17KT 3120 8931

$$

DL

143 
WWUS54 KJAN 261904
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
204 PM CDT THU MAY 26 2011

MSC035-261914-
/O.CAN.KJAN.TO.W.0173.000000T0000Z-110526T1915Z/
FORREST MS-
204 PM CDT THU MAY 26 2011

...THE TORNADO WARNING FOR CENTRAL FORREST COUNTY IS CANCELLED...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS MOVED OUT OF THE
COUNTY.

LAT...LON 3109 8934 3111 8934 3112 8935 3126 8935
      3138 8913 3122 8913 3122 8914 3117 8914
      3114 8914
TIME...MOT...LOC 1904Z 257DEG 17KT 3123 8917

$$

DL

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 7:06 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar	54 min
May 25, 7:14 PM CDT	Tornado Warning	JAN	Bolivar	61 min
May 25, 7:38 PM CDT	Tornado Warning	JAN	Bolivar, Sunflower	52 min
May 25, 8:14 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Washington	61 min
May 25, 8:29 PM CDT	Tornado Warning	JAN	Bolivar, Sunflower	28 min
May 25, 8:45 PM CDT	Severe Thunderstorm Warning	JAN	Leflore, Sunflower	60 min
May 25, 8:55 PM CDT	Tornado Warning	JAN	Washington	51 min
May 25, 9:00 PM CDT	Tornado Warning	JAN	Bolivar, Sunflower	32 min
May 25, 9:07 PM CDT	Severe Thunderstorm Warning	JAN	Grenada	53 min
May 25, 9:27 PM CDT	Flash Flood Warning	JAN	Bolivar, Sunflower, Washington	60 min
May 25, 9:36 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada, Leflore, Montgomery, Sunflower	54 min
May 25, 9:45 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Washington	21 min
May 25, 9:52 PM CDT	Tornado Warning	JAN	Holmes, Humphreys, Leflore, Sunflower	23 min
May 25, 9:53 PM CDT	Severe Thunderstorm Warning	JAN	Sharkey, Washington	22 min
May 25, 10:02 PM CDT	Flash Flood Warning	JAN	Grenada	79 min
May 25, 10:09 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Choctaw, Clay, Montgomery, Oktibbeha, Webster	66 min
May 25, 10:18 PM CDT	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Leflore, Sunflower	42 min
May 25, 10:21 PM CDT	Tornado Warning	JAN	Carroll	24 min
May 25, 11:26 PM CDT	Special Weather Statement	JAN	Clay, Lowndes, Noxubee, Oktibbeha	59 min
May 26, 12:32 AM CDT	Severe Thunderstorm Warning	JAN	Attala, Choctaw, Montgomery	43 min
May 26, 12:37 AM CDT	Special Weather Statement	JAN	Oktibbeha	18 min
May 26, 12:56 AM CDT	Special Weather Statement	JAN	Lowndes, Oktibbeha	29 min
May 26, 1:44 AM CDT	Special Weather Statement	JAN	Leflore	31 min
May 26, 2:01 AM CDT	Special Weather Statement	JAN	Lowndes	34 min
May 26, 2:19 AM CDT	Special Weather Statement	JAN	Lowndes	31 min
May 26, 2:46 AM CDT	Special Weather Statement	JAN	Grenada	29 min
May 26, 4:29 AM CDT	Special Weather Statement	JAN	Forrest, Lamar	41 min
May 26, 11:45 AM CDT	Special Weather Statement	JAN	Lamar	60 min
May 26, 11:50 AM CDT	Special Weather Statement	JAN	Jones	45 min
May 26, 12:01 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	32 min
May 26, 12:08 PM CDT	Special Weather Statement	JAN	Simpson, Smith	32 min
May 26, 12:32 PM CDT	Special Weather Statement	JAN	Jones	28 min
May 26, 12:55 PM CDT	Special Weather Statement	JAN	Forrest, Lamar	60 min
May 26, 1:13 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar, Marion	47 min
May 26, 1:50 PM CDT	Severe Thunderstorm Warning	JAN	Clarke	40 min
May 26, 1:54 PM CDT	Severe Thunderstorm Warning	JAN	Clarke, Lauderdale	51 min
May 26, 2:01 PM CDT	Special Weather Statement	JAN	Jones	59 min
May 26, 2:07 PM CDT	Special Weather Statement	JAN	Lamar	28 min
May 26, 2:15 PM CDT	Severe Thunderstorm Warning	JAN	Clarke	45 min
May 26, 2:34 PM CDT	Special Weather Statement	JAN	Forrest, Lamar, Marion	61 min
May 26, 3:47 PM CDT	Special Weather Statement	JAN	Kemper	28 min
May 26, 4:21 PM CDT	Special Weather Statement	JAN	Lamar	44 min
May 26, 4:31 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	44 min
May 26, 6:17 PM CDT	Special Weather Statement	JAN	Forrest	43 min
May 26, 6:31 PM CDT	Special Weather Statement	JAN	Jones	29 min

Nearby

Tornado Warnings in Mississippi, 2011 Every tornado warning in 2011 Tornadoes 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.