Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 83, NWS Jackson, MS

April 15, 2011Claiborne County, Copiah County, Jefferson County, Mississippi

NWS Jackson, MS issued this tornado warning at Apr 15, 2011, 3:15 PM CDT for Claiborne County, Copiah County, Jefferson County, Mississippi. It was in force for 60 min. 1 report 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: Apr 15, 2011, 3:15 PM CDT (20:15 UTC)
Expired: Apr 15, 2011, 4:15 PM CDT
In force: 60 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

Counties Claiborne County, MS, Copiah County, MS, Jefferson County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 62 km from the middle of the area, began a volume at 20:19 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
Apr 15, 3:46 PM CDT	HAIL 1.75	Hazlehurst, MS

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
Apr 15, 2:41 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 12:00Z, 8.3 hours before the alert went out and 61 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: 1458 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 523 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 382 m²/s²
0-3 km storm-relative helicity: 565 m²/s²
Significant tornado parameter: 4.0
Supercell composite: 14.6

Open this sounding in Storm Lab

The text

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

433 
WFUS54 KJAN 152015
TORJAN
MSC021-029-063-152115-
/O.NEW.KJAN.TO.W.0083.110415T2015Z-110415T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
315 PM CDT FRI APR 15 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  COPIAH COUNTY IN CENTRAL MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...HAZLEHURST...CRYSTAL SPRINGS...
  SOUTHEASTERN CLAIBORNE COUNTY IN SOUTHWEST MISSISSIPPI...
  EASTERN JEFFERSON COUNTY IN SOUTHWEST MISSISSIPPI...

* UNTIL 415 PM CDT

* AT 315 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR BLUE HILL
  MOVING EAST AT 50 MPH.

* THE TORNADO WILL BE NEAR...
  PLEASANT HILL BY 320 PM CDT...
  ALLEN AND BARLOW BY 325 PM CDT...
  GLANCY BY 335 PM CDT...
  MARTINSVILLE AND WESSON BY 340 PM CDT...
  HAZLEHURST AND GALLMAN BY 345 PM CDT...
  CRYSTAL SPRINGS BY 350 PM CDT...

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 TO GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN 
EXCESS OF 70 MPH!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR NORTHEAST LOUISIANA AND MISSISSIPPI.

&&

LAT...LON 3181 9100 3206 9023 3200 9022 3194 9016
      3191 9016 3189 9013 3185 9013 3185 9015
      3180 9014 3179 9011 3177 9011 3173 9019
      3169 9041 3171 9074 3166 9097
TIME...MOT...LOC 2015Z 249DEG 43KT 3174 9078

$$

BYB

3 follow-up statements

219 
WWUS54 KJAN 152034
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
334 PM CDT FRI APR 15 2011

MSC021-063-152044-
/O.CAN.KJAN.TO.W.0083.000000T0000Z-110415T2115Z/
JEFFERSON MS-CLAIBORNE MS-
334 PM CDT FRI APR 15 2011

...THE TORNADO WARNING FOR SOUTHEASTERN CLAIBORNE AND EASTERN
JEFFERSON COUNTIES IS CANCELLED...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR NORTHEAST LOUISIANA AND MISSISSIPPI.

LAT...LON 3170 9041 3171 9074 3183 9074 3188 9068
      3206 9024 3200 9022 3189 9013 3185 9013
      3185 9015 3180 9014 3179 9011 3177 9011
      3173 9019 3169 9041
TIME...MOT...LOC 2034Z 254DEG 38KT 3179 9056

$$

MSC029-152115-
/O.CON.KJAN.TO.W.0083.000000T0000Z-110415T2115Z/
COPIAH MS-
334 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR COPIAH
COUNTY...

AT 334 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR BARLOW MOVING EAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  GLANCY BY 340 PM CDT...
  MARTINSVILLE...BEAUREGARD AND WESSON BY 345 PM CDT...
  HAZLEHURST AND GALLMAN BY 350 PM CDT...
  CRYSTAL SPRINGS BY 355 PM CDT...
  GEORGETOWN...HOPEWELL AND ROCKPORT BY 405 PM CDT...

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 TO GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN 
EXCESS OF 70 MPH!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR NORTHEAST LOUISIANA AND MISSISSIPPI.

&&

LAT...LON 3170 9041 3171 9074 3183 9074 3188 9068
      3206 9024 3200 9022 3189 9013 3185 9013
      3185 9015 3180 9014 3179 9011 3177 9011
      3173 9019 3169 9041
TIME...MOT...LOC 2034Z 254DEG 38KT 3179 9056

$$

BYB

994 
WWUS54 KJAN 152051
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
351 PM CDT FRI APR 15 2011

MSC029-152115-
/O.CON.KJAN.TO.W.0083.000000T0000Z-110415T2115Z/
COPIAH MS-
351 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR EASTERN
COPIAH COUNTY...

AT 351 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS 
TORNADO WAS LOCATED NEAR MARTINSVILLE MOVING EAST NORTHEAST AT 45 
MPH.

THE TORNADO WILL BE NEAR...
  HOPEWELL BY 400 PM CDT...
  ROCKPORT AND GEORGETOWN BY 405 PM CDT...

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 TO GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN 
EXCESS OF 70 MPH!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR NORTHEAST LOUISIANA AND MISSISSIPPI.

&&

LAT...LON 3171 9053 3187 9054 3200 9022 3193 9017
      3191 9016 3189 9013 3185 9013 3185 9015
      3180 9014 3179 9011 3177 9011 3173 9019
      3170 9041
TIME...MOT...LOC 2051Z 259DEG 41KT 3178 9032

$$

BYB

457 
WWUS54 KJAN 152106
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
406 PM CDT FRI APR 15 2011

MSC029-152115-
/O.CON.KJAN.TO.W.0083.000000T0000Z-110415T2115Z/
COPIAH MS-
406 PM CDT FRI APR 15 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR EAST
CENTRAL COPIAH COUNTY...

AT 405 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED NEAR ROCKPORT MOVING EAST AT 45 MPH.

THE TORNADO WILL BE NEAR...
  GEORGETOWN BY 410 PM CDT...

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 TO GOLFBALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS IN 
EXCESS OF 70 MPH!

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT FRIDAY EVENING
FOR MISSISSIPPI.

&&

LAT...LON 3194 9031 3200 9022 3189 9014 3186 9013
      3185 9013 3185 9015 3180 9014 3179 9011
      3177 9011 3176 9033
TIME...MOT...LOC 2105Z 259DEG 41KT 3181 9019

$$

BYB

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 3:31 AM CDT	Special Weather Statement	JAN	Bolivar, Washington	69 min
Apr 15, 4:14 AM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Washington	61 min
Apr 15, 4:43 AM CDT	Tornado Warning	JAN	Bolivar, Washington	47 min
Apr 15, 5:18 AM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Humphreys, Leflore, Sunflower, Washington	42 min
Apr 15, 5:29 AM CDT	Tornado Warning	JAN	Bolivar, Sunflower	61 min
Apr 15, 5:30 AM CDT	Tornado Warning	JAN	Washington	30 min
Apr 15, 5:57 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada, Holmes, Humphreys, Leflore, Sharkey and 2 more	48 min
Apr 15, 6:11 AM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey, Washington	34 min
Apr 15, 6:20 AM CDT	Tornado Warning	JAN	Issaquena, Sharkey, Washington	25 min
Apr 15, 6:41 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada, Holmes, Humphreys, Montgomery, Webster and 1 more	49 min
Apr 15, 6:46 AM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	59 min
Apr 15, 6:56 AM CDT	Tornado Warning	JAN	Holmes, Humphreys, Yazoo	64 min
Apr 15, 7:31 AM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Clay, Lowndes, Montgomery, Oktibbeha, Webster	44 min
Apr 15, 7:42 AM CDT	Severe Thunderstorm Warning	JAN	Humphreys, Issaquena, Sharkey, Warren, Yazoo	63 min
Apr 15, 7:50 AM CDT	Severe Thunderstorm Warning	JAN	Attala, Choctaw, Winston	40 min
Apr 15, 8:00 AM CDT	Flash Flood Warning	JAN	Holmes, Humphreys, Sharkey, Yazoo	5 hr
Apr 15, 8:09 AM CDT	Tornado Warning	JAN	Attala, Carroll, Holmes, Yazoo	66 min
Apr 15, 8:15 AM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Clay, Lowndes, Montgomery, Oktibbeha, Webster	60 min
Apr 15, 8:18 AM CDT	Severe Thunderstorm Warning	JAN	Holmes, Yazoo	27 min
Apr 15, 8:33 AM CDT	Severe Thunderstorm Warning	JAN	Attala, Carroll, Choctaw	57 min
Apr 15, 8:36 AM CDT	Tornado Warning	JAN	Attala, Holmes	54 min
Apr 15, 8:50 AM CDT	Tornado Warning	JAN	Attala, Carroll, Holmes	40 min
Apr 15, 8:54 AM CDT	Flash Flood Warning	JAN	Attala, Carroll, Choctaw, Clay, Montgomery, Oktibbeha and 1 more	3 hr
Apr 15, 9:18 AM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Lowndes, Noxubee, Oktibbeha, Winston	42 min
Apr 15, 9:24 AM CDT	Severe Thunderstorm Warning	JAN	Holmes, Humphreys, Yazoo	66 min
Apr 15, 9:34 AM CDT	Severe Thunderstorm Warning	JAN	Claiborne, Hinds, Warren	56 min
Apr 15, 9:45 AM CDT	Tornado Warning	JAN	Attala, Holmes	60 min
Apr 15, 10:01 AM CDT	Flash Flood Warning	JAN	Choctaw, Clay, Lowndes, Noxubee, Oktibbeha, Winston	5 hr
Apr 15, 10:03 AM CDT	Tornado Warning	JAN	Holmes, Humphreys, Yazoo	57 min
Apr 15, 10:12 AM CDT	Severe Thunderstorm Warning	JAN	Hinds, Madison	63 min
Apr 15, 10:21 AM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin, Jefferson	15 min
Apr 15, 10:26 AM CDT	Tornado Warning Emergency	JAN	Claiborne, Hinds, Madison	64 min
Apr 15, 10:28 AM CDT	Severe Thunderstorm Warning	JAN	Clarke	47 min
Apr 15, 10:33 AM CDT	Tornado Warning	JAN	Clarke	57 min
Apr 15, 10:41 AM CDT	Tornado Warning	JAN	Attala, Choctaw, Montgomery	64 min
Apr 15, 10:42 AM CDT	Flash Flood Warning	JAN	Hinds, Madison, Rankin	2 hr
Apr 15, 10:50 AM CDT	Tornado Warning	JAN	Carroll, Choctaw, Montgomery	31 min
Apr 15, 10:52 AM CDT	River Flood Warning	JAN	Attala, Holmes	14 days
Apr 15, 11:14 AM CDT	Tornado Warning	JAN	Clarke	18 min
Apr 15, 11:18 AM CDT	Tornado Warning	JAN	Noxubee, Oktibbeha, Winston	41 min
Apr 15, 11:20 AM CDT	Tornado Warning Emergency	JAN	Madison, Rankin	39 min
Apr 15, 11:28 AM CDT	Severe Thunderstorm Warning	JAN	Attala, Choctaw	47 min
Apr 15, 11:42 AM CDT	Tornado Warning	JAN	Clay, Lowndes	47 min
Apr 15, 11:46 AM CDT	Tornado Warning	JAN	Attala, Choctaw	33 min
Apr 15, 11:49 AM CDT	Tornado Warning	JAN	Leake, Scott	43 min
Apr 15, 11:55 AM CDT	Flash Flood Warning	JAN	Attala, Carroll, Choctaw, Clay, Holmes, Lowndes and 4 more	3 hr
Apr 15, 12:09 PM CDT	Tornado Warning	JAN	Oktibbeha	51 min
Apr 15, 12:14 PM CDT	Tornado Warning	JAN	Leake, Neshoba	61 min
Apr 15, 12:27 PM CDT	Tornado Warning	JAN	Claiborne, Copiah, Hinds, Rankin, Simpson	63 min
Apr 15, 12:49 PM CDT	Tornado Warning	JAN	Kemper	56 min
Apr 15, 12:56 PM CDT	Tornado Warning	JAN	Clay, Lowndes, Oktibbeha	43 min
Apr 15, 1:06 PM CDT	Tornado Warning	JAN	Copiah, Lincoln	54 min
Apr 15, 1:12 PM CDT	Tornado Warning	JAN	Rankin, Simpson	48 min
Apr 15, 1:26 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin, Jefferson	64 min
Apr 15, 1:42 PM CDT	Tornado Warning	JAN	Scott, Smith	48 min
Apr 15, 1:46 PM CDT	Tornado Warning	JAN	Kemper, Neshoba	59 min
Apr 15, 1:46 PM CDT	Tornado Warning	JAN	Copiah, Simpson	59 min
Apr 15, 1:48 PM CDT	Tornado Warning	JAN	Attala, Holmes	57 min
Apr 15, 2:12 PM CDT	Tornado Warning	JAN	Jasper, Newton	63 min
Apr 15, 2:17 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Franklin, Jefferson	58 min
Apr 15, 2:23 PM CDT	Tornado Warning	JAN	Jasper, Smith	67 min
Apr 15, 2:41 PM CDT	Tornado Warning Emergency	JAN	Attala, Choctaw	49 min
Apr 15, 2:42 PM CDT	Tornado Warning	JAN	Kemper	18 min
Apr 15, 2:48 PM CDT	Tornado Warning	JAN	Lauderdale	57 min
Apr 15, 3:05 PM CDT	Tornado Warning	JAN	Clarke, Jasper	55 min
Apr 15, 3:11 PM CDT	Tornado Warning	JAN	Oktibbeha	64 min
Apr 15, 3:14 PM CDT	Tornado Warning	JAN	Attala, Choctaw, Winston	61 min
Apr 15, 3:24 PM CDT	Severe Thunderstorm Warning	JAN	Franklin, Lincoln	66 min
Apr 15, 3:35 PM CDT	Severe Thunderstorm Warning	JAN	Hinds	40 min
Apr 15, 3:46 PM CDT	Tornado Warning	JAN	Clay, Lowndes	59 min
Apr 15, 3:54 PM CDT	River Flood Warning	JAN	Clay	68 hr
Apr 15, 3:54 PM CDT	River Flood Warning	JAN	Lowndes	3 days
Apr 15, 3:54 PM CDT	Tornado Warning	JAN	Lowndes, Noxubee, Oktibbeha, Winston	66 min
Apr 15, 3:55 PM CDT	Tornado Warning	JAN	Simpson	50 min
Apr 15, 3:56 PM CDT	Tornado Warning	JAN	Clarke	34 min
Apr 15, 4:11 PM CDT	Severe Thunderstorm Warning	JAN	Hinds, Leake, Madison, Rankin, Scott	32 min
Apr 15, 4:12 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Lawrence, Marion	63 min
Apr 15, 4:24 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Newton, Smith	51 min
Apr 15, 4:30 PM CDT	Tornado Warning	JAN	Lamar, Marion	60 min
Apr 15, 4:35 PM CDT	Tornado Warning	JAN	Jasper, Simpson, Smith	55 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.