Alert archive / Mississippi / Mesoscale Discussions in 2009

Mesoscale Discussion 128

February 18, 20094 states

The Storm Prediction Center issued this mesoscale discussion at Feb 18, 2009, 4:58 PM CST for 4 states. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued: Feb 18, 2009, 4:58 PM CST (22:58 UTC)
Expired: Feb 18, 2009, 6:30 PM CST
In force: 92 min
Issued by: the Storm Prediction Center

All 41 counties

Baldwin County, AL, Butler County, AL, Choctaw County, AL, Clarke County, AL, Conecuh County, AL, Covington County, AL, Escambia County, AL, Mobile County, AL, Monroe County, AL, Washington County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL, Walton County, FL, Livingston Parish, LA, Orleans Parish, LA, Saint Bernard Parish, LA, Saint Charles Parish, LA, Saint James Parish, LA, Saint John the Baptist Parish, LA, Saint Tammany Parish, LA, Tangipahoa Parish, LA, Washington Parish, LA, Covington County, MS, Forrest County, MS, George County, MS, Greene County, MS, Hancock County, MS, Harrison County, MS, Jackson County, MS, Jefferson Davis County, MS, Jones County, MS, Lamar County, MS, Lawrence County, MS, Marion County, MS, Pearl River County, MS, Perry County, MS, Pike County, MS, Stone County, MS, Walthall County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 40 km from the middle of the area, began a volume at 22:58 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

Severe Thunderstorm Watch 27Feb 18, 7:45 PM CST

The text

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

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 18, 11:14 AM CST	Mesoscale Discussion	SPC	Colbert, Fayette, Franklin, Greene, Lamar, Lawrence and 6 more	91 min
Feb 18, 12:42 PM CST	Tornado Watch	SPC	Autauga, Bibb, Blount, Calhoun, Cherokee, Chilton and 37 more	7 hr
Feb 18, 1:57 PM CST	Mesoscale Discussion	SPC	Barbour, Bullock, Coffee, Dale, Geneva, Henry and 4 more	93 min
Feb 18, 2:32 PM CST	Tornado Watch	SPC	Barbour, Bullock, Chambers, Coffee, Dale, Geneva and 6 more	7 hr
Feb 18, 3:22 PM CST	Mesoscale Discussion	SPC	Autauga, Bibb, Blount, Calhoun, Chambers, Cherokee and 42 more	83 min
Feb 18, 5:26 PM CST	Mesoscale Discussion	SPC	Barbour, Bullock, Chambers, Henry, Lee, Macon and 1 more	94 min
Feb 17, 7:09 PM CST	Severe Thunderstorm Watch	SPC	Claiborne, East Carroll, Lincoln, Morehouse, Union, Webster and 1 more	6 hr
Feb 18, 1:22 PM CST	Mesoscale Discussion	SPC	Acadia, Allen, Ascension, Avoyelles, Beauregard, Calcasieu and 17 more	53 min
Feb 17, 9:45 PM CST	Mesoscale Discussion	SPC	Alcorn, Benton, Bolivar, Calhoun, Carroll, Coahoma and 16 more	2 hr

Nearby

Mesoscale Discussions in Mississippi, 2009 Mesoscale Discussions in Alabama, 2009 Mesoscale Discussions in Louisiana, 2009 Every mesoscale discussion in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.