Alert archive / Oklahoma / Mesoscale Discussions / 2009
Mesoscale Discussions in Oklahoma, April 2009
52 mesoscale discussions in April 2009. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in April 2009. Tap one for its archive.
- Mesoscale Discussions
- 52
- Busiest day
- April 29, 200910 mesoscale discussions
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Central Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 2, 12:50 PM CDT | Mesoscale Discussion | SPC | LeFlore | 85 min |
| Apr 4, 11:56 PM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Cherokee, Choctaw, Coal, Haskell and 8 more | 94 min |
| Apr 9, 12:47 PM CDT | Mesoscale Discussion | SPC | Atoka, Cherokee, Coal, Creek, Haskell, Hughes and 18 more | 2 hr |
| Apr 9, 12:57 PM CDT | Mesoscale Discussion | SPC | Craig, Grant, Kay, Nowata, Osage, Ottawa and 1 more | 63 min |
| Apr 9, 5:39 PM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Cherokee, Choctaw, Craig, Delaware and 15 more | 2 hr |
| Apr 9, 6:59 PM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Craig, Delaware, Haskell, Latimer and 4 more | 91 min |
| Apr 12, 2:24 PM CDT | Mesoscale Discussion | SPC | Cotton, Harmon, Jackson, Tillman | 96 min |
| Apr 12, 5:20 PM CDT | Mesoscale Discussion | SPC | Carter, Comanche, Cotton, Jackson, Jefferson, Love and 3 more | 55 min |
| Apr 16, 11:20 AM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Caddo, Comanche, Cotton, Custer and 13 more | 115 min |
| Apr 16, 1:41 PM CDT | Mesoscale Discussion | SPC | Cimarron, Texas | 64 min |
| Apr 16, 5:56 PM CDT | Mesoscale Discussion | SPC | Harmon | 94 min |
| Apr 16, 6:33 PM CDT | Mesoscale Discussion | SPC | Beaver, Cimarron, Texas | 87 min |
| Apr 16, 9:20 PM CDT | Mesoscale Discussion | SPC | Beaver, Cimarron, Texas | 55 min |
| Apr 17, 3:24 PM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Ellis, Greer, Harmon, Jackson and 2 more | 96 min |
| Apr 17, 9:33 PM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Ellis, Greer, Harmon, Jackson and 2 more | 27 min |
| Apr 18, 1:14 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Caddo, Canadian, Comanche, Cotton and 11 more | 61 min |
| Apr 18, 2:49 PM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Cleveland, Craig, Creek, Delaware and 29 more | 86 min |
| Apr 18, 5:14 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Bryan, Canadian, Carter, Cleveland, Coal and 24 more | 91 min |
| Apr 18, 8:14 PM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Cleveland and 33 more | 91 min |
| Apr 23, 2:32 AM CDT | Mesoscale Discussion | SPC | Craig, Nowata, Ottawa | 88 min |
| Apr 23, 5:12 PM CDT | Mesoscale Discussion | SPC | Harmon, Jackson, Tillman | 63 min |
| Apr 24, 3:58 PM CDT | Mesoscale Discussion | SPC | Haskell, Latimer, LeFlore, McCurtain, Pittsburg, Pushmataha and 1 more | 92 min |
| Apr 25, 1:23 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 16 more | 3 hr |
| Apr 25, 3:49 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Comanche and 16 more | 116 min |
| Apr 25, 6:38 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Custer and 18 more | 2 hr |
| Apr 25, 9:58 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Canadian, Custer, Dewey, Ellis and 10 more | 92 min |
| Apr 26, 1:28 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Craig, Custer, Dewey, Garfield and 13 more | 92 min |
| Apr 26, 6:56 AM CDT | Mesoscale Discussion | SPC | Beckham, Ellis, Harper, Roger Mills | 94 min |
| Apr 26, 10:19 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Custer, Dewey, Ellis and 8 more | 56 min |
| Apr 26, 10:54 AM CDT | Mesoscale Discussion | SPC | Alfalfa, Beaver, Beckham, Blaine, Caddo, Canadian and 33 more | 66 min |
| Apr 26, 12:58 PM CDT | Mesoscale Discussion | SPC | Harmon, Jackson | 92 min |
| Apr 26, 3:34 PM CDT | Mesoscale Discussion | SPC | Beckham, Blaine, Caddo, Canadian, Cleveland, Comanche and 24 more | 116 min |
| Apr 26, 5:44 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Cleveland and 30 more | 61 min |
| Apr 26, 8:42 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beckham, Blaine, Caddo, Canadian, Carter and 38 more | 2 hr |
| Apr 27, 12:32 PM CDT | Mesoscale Discussion | SPC | Cherokee, Craig, Creek, Delaware, Lincoln, Mayes and 11 more | 88 min |
| Apr 27, 3:28 PM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Cleveland, Craig, Creek, Delaware and 17 more | 2 hr |
| Apr 27, 6:03 PM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Craig, Creek, Delaware, McIntosh and 13 more | 27 min |
| Apr 28, 10:33 PM CDT | Mesoscale Discussion | SPC | Beckham, Greer, Harmon, Jackson, Roger Mills | 87 min |
| Apr 29, 1:37 AM CDT | Mesoscale Discussion | SPC | Harper, Woods | 83 min |
| Apr 29, 2:46 AM CDT | Mesoscale Discussion | SPC | Beckham, Comanche, Greer, Harmon, Jackson, Kiowa and 3 more | 89 min |
| Apr 29, 6:09 AM CDT | Mesoscale Discussion | SPC | Beckham, Caddo, Canadian, Carter, Cleveland, Comanche and 14 more | 96 min |
| Apr 29, 9:16 AM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Choctaw, Coal, Garvin and 9 more | 89 min |
| Apr 29, 12:58 PM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Latimer, LeFlore, McCurtain and 1 more | 2 hr |
| Apr 29, 2:59 PM CDT | Mesoscale Discussion | SPC | Beaver, Texas | 91 min |
| Apr 29, 3:04 PM CDT | Mesoscale Discussion | SPC | McCurtain | 56 min |
| Apr 29, 5:17 PM CDT | Mesoscale Discussion | SPC | Beaver, Cimarron, Texas | 88 min |
| Apr 29, 6:21 PM CDT | Mesoscale Discussion | SPC | Jefferson | 54 min |
| Apr 29, 11:54 PM CDT | Mesoscale Discussion | SPC | Beckham, Carter, Comanche, Cotton, Greer, Harmon and 7 more | 96 min |
| Apr 30, 3:13 AM CDT | Mesoscale Discussion | SPC | Cotton, Jefferson, Love, Tillman | 92 min |
| Apr 30, 1:55 PM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Craig, Delaware, Haskell, McIntosh and 9 more | 2 hr |
| Apr 30, 5:13 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Blaine, Canadian, Cleveland, Creek, Dewey and 15 more | 92 min |
| Apr 30, 5:26 PM CDT | Mesoscale Discussion | SPC | Beckham, Greer, Harmon, Jackson, Roger Mills | 64 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Harmon County19
- Jackson County19
- Beckham County17
- Greer County15
- Roger Mills County15
- Tillman County14
- Woods County14
- Dewey County13
- Ellis County13
- Woodward County13
- Garfield County13
- Osage County12
- Comanche County12
- Custer County12
- Kiowa County12
- Washita County12
- Alfalfa County12
- Blaine County12
- Canadian County12
- Kingfisher County12
- Major County12
- Pawnee County11
- Craig County11
- Grant County11
- Cotton County11
- Noble County11
- Cherokee County10
- Lincoln County10
- Payne County10
- Nowata County10
- Caddo County10
- Cleveland County10
- Okmulgee County9
- Pottawatomie County9
- Kay County9
- Ottawa County9
- Washington County9
- Jefferson County9
- Stephens County9
- Garvin County9
37 more counties
- Adair County8
- Haskell County8
- McIntosh County8
- Muskogee County8
- Sequoyah County8
- Creek County8
- Mayes County8
- Rogers County8
- Seminole County8
- Wagoner County8
- Delaware County8
- Love County8
- Beaver County8
- Texas County8
- Logan County8
- LeFlore County7
- Latimer County7
- Okfuskee County7
- Tulsa County7
- Carter County7
- Harper County7
- Grady County7
- Oklahoma County7
- McClain County7
- Atoka County6
- Pittsburg County6
- Hughes County6
- Pontotoc County6
- McCurtain County6
- Murray County6
- Coal County5
- Johnston County5
- Pushmataha County5
- Choctaw County4
- Marshall County4
- Cimarron County4
- Bryan County4
Nearby
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Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.