Alert archive / Mississippi / Tornado Warnings in 2011

Tornado Warning 169, NWS Jackson, MS

May 25, 2011Washington County, Mississippi

NWS Jackson, MS issued this tornado warning at May 25, 2011, 8:55 PM CDT for Washington County, Mississippi. It was in force for 51 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: May 25, 2011, 8:55 PM CDT (01:55 UTC)
Expired: May 25, 2011, 9:46 PM CDT
In force: 51 min
Issued by: NWS Jackson, MS
Area: Storm-based polygon

County Washington County, MS

The radar

The Jackson/Brandon,MS radar (KDGX), 156 km from the middle of the area, began a volume at 01:56 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 25, 9:10 PM CDT	TSTM WND DMG	1 Se Greenville, MS	A WINDOW AT A RESTAURANT WAS BLOWN OUT BY STRONG WINDS
May 25, 9:10 PM CDT	TSTM WND DMG	4 S Greenville, MS	NUMEROUS TREES AND POWER LINES DOWNED BETWEEN GREENVILLE AND WAYSIDE. ALSO WINDSHIELDS SHATTERED BY LARGE HAIL IN THE AREA...HAIL SIZE UNKNOWN.
May 25, 9:20 PM CDT	TSTM WND DMG	Tribbett, MS	NUMEROUS TREES DOWNED ACROSS WASHINGTON COUNTY IN A CORRIDOR FROM SOUTH OF GREENVILLE TO THE TRIBBETT AREA.

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
May 25, 3:16 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Jackson, MS (KJAN), launched 00:00Z, 1.9 hours before the alert went out and 147 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: 1200 J/kg
Mixed-layer CIN: -105 J/kg
Mixed-layer LCL: 2164 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 104 m²/s²
0-3 km storm-relative helicity: 160 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.0

Open this sounding in Storm Lab

The text

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

014 
WFUS54 KJAN 260155
TORJAN
MSC151-260300-
/O.NEW.KJAN.TO.W.0169.110526T0155Z-110526T0300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSON MS
855 PM CDT WED MAY 25 2011

THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHERN WASHINGTON COUNTY IN NORTHWEST MISSISSIPPI...
  THIS INCLUDES THE CITIES OF...LELAND...GREENVILLE...

* UNTIL 1000 PM CDT

* AT 855 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 17 MILES WEST OF
  GREENVILLE MOVING EAST AT 50 MPH.

* THE TORNADO WILL BE NEAR...
  GREENVILLE AND WAYSIDE BY 910 PM CDT...
  METCALFE BY 915 PM CDT...
  LELAND BY 920 PM CDT...
  TRIBBETT BY 930 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY MORNING
FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND NORTHWESTERN
MISSISSIPPI.

&&

LAT...LON 3329 9076 3325 9104 3328 9104 3329 9108
      3325 9110 3327 9112 3333 9114 3339 9111
      3339 9118 3341 9121 3343 9120 3345 9110
      3339 9110 3347 9105 3354 9076
TIME...MOT...LOC 0155Z 256DEG 43KT 3331 9127

$$

GRG

2 follow-up statements

171 
WWUS54 KJAN 260204
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
904 PM CDT WED MAY 25 2011

MSC151-260300-
/O.CON.KJAN.TO.W.0169.000000T0000Z-110526T0300Z/
WASHINGTON MS-
904 PM CDT WED MAY 25 2011

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT FOR NORTHERN
WASHINGTON COUNTY...

AT 904 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUE TO
TRACK A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS
TORNADO WAS LOCATED 9 MILES SOUTHWEST OF GREENVILLE MOVING EAST AT 50
MPH.

THE TORNADO WILL BE NEAR...
  GREENVILLE AND WAYSIDE BY 910 PM CDT...
  METCALFE BY 915 PM CDT...
  LELAND AND ARCOLA BY 920 PM CDT...
  TRIBBETT BY 930 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.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT THURSDAY MORNING
FOR SOUTHEAST ARKANSAS AND NORTHEAST LOUISIANA AND NORTHWESTERN
MISSISSIPPI.

&&

LAT...LON 3329 9076 3325 9104 3328 9104 3329 9108
      3325 9110 3327 9112 3333 9114 3339 9111
      3339 9118 3341 9121 3343 9120 3345 9110
      3339 9110 3347 9105 3354 9076
TIME...MOT...LOC 0204Z 256DEG 43KT 3333 9114

$$

GRG

054 
WWUS54 KJAN 260246
SVSJAN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
946 PM CDT WED MAY 25 2011

MSC151-260257-
/O.CAN.KJAN.TO.W.0169.000000T0000Z-110526T0300Z/
WASHINGTON MS-
946 PM CDT WED MAY 25 2011

...THE TORNADO WARNING FOR NORTHERN WASHINGTON COUNTY IS CANCELLED...

THE STORM THAT PROMPTED THE TORNADO WARNING HAS WEAKENED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CDT THURSDAY MORNING
FOR NORTHEAST LOUISIANA AND MISSISSIPPI.

LAT...LON 3329 9076 3325 9104 3328 9104 3329 9108
      3325 9110 3327 9112 3333 9114 3339 9111
      3339 9118 3341 9121 3343 9120 3345 9110
      3339 9110 3347 9105 3354 9076
TIME...MOT...LOC 0247Z 256DEG 43KT 3345 9054

$$

GRG

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, 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, 1:18 PM CDT	Tornado Warning	JAN	Forrest, Lamar	46 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.