Alert archive / Michigan / 2015
Weather alerts in Michigan, December 2015
188 weather alerts in December 2015, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in December 2015. Tap one for its archive.
- Alerts
- 188
- Warnings
- 42
- Watches
- 21
- Advisories
- 96
- Busiest day
- December 23, 201527 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 1, 3:44 AM EST | Small Craft Advisory | GRR | 31 hr | |
| Dec 2, 3:39 PM EST | Small Craft Advisory | GRR | 40 hr | |
| Dec 2, 3:54 PM EST | Small Craft Advisory | MQT | 43 hr | |
| Dec 3, 4:23 AM EST | Small Craft Advisory | APX | 30 hr | |
| Dec 3, 3:52 PM EST | Small Craft Advisory | DTX | 16 hr | |
| Dec 4, 4:49 PM EST | Small Craft Advisory | MQT | 41 hr | |
| Dec 4, 10:37 PM EST | Freezing Fog Advisory | IWX | Branch, Cass, Hillsdale, Saint Joseph | 13 hr |
| Dec 5, 12:09 AM EST | Freezing Fog Advisory | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 12 hr |
| Dec 5, 3:07 AM EST | Dense Fog Advisory | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 9 hr |
| Dec 5, 4:10 AM EST | Small Craft Advisory | APX | 30 hr | |
| Dec 5, 11:59 AM EST | Small Craft Advisory | GRR | 23 hr | |
| Dec 5, 6:45 PM EST | Freezing Fog Advisory | IWX | Branch, Hillsdale | 15 hr |
| Dec 5, 7:55 PM EST | Dense Fog Advisory | DTX | Genesee, Huron, Lapeer, Lenawee, Livingston, Macomb and 8 more | 14 hr |
| Dec 6, 8:20 PM EST | Dense Fog Advisory | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 15 hr |
| Dec 6, 9:53 PM EST | Dense Fog Advisory | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 12 hr |
| Dec 7, 3:40 AM EST | Dense Fog Advisory | IWX | Branch, Cass, Hillsdale, Saint Joseph | 8 hr |
| Dec 7, 8:37 AM EST | Small Craft Advisory | MQT | 28 hr | |
| Dec 7, 3:53 PM EST | Small Craft Advisory | GRR | 30 hr | |
| Dec 7, 3:59 PM EST | Marine Dense Fog Advisory | DTX | 18 hr | |
| Dec 7, 4:11 PM EST | Small Craft Advisory | APX | 24 hr | |
| Dec 7, 4:43 PM EST | Dense Fog Advisory | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 13 hr |
| Dec 7, 6:34 PM EST | Dense Fog Advisory | GRR | Calhoun, Clinton, Eaton, Gratiot, Ingham, Ionia and 1 more | 9 hr |
| Dec 9, 4:11 AM EST | Small Craft Advisory | MQT | 13 hr | |
| Dec 9, 3:37 PM EST | Small Craft Advisory | DTX | 42 hr | |
| Dec 9, 3:43 PM EST | Small Craft Advisory | APX | 51 hr | |
| Dec 9, 3:51 PM EST | Small Craft Advisory | GRR | 48 hr | |
| Dec 9, 4:22 PM EST | Small Craft Advisory | MQT | 51 hr | |
| Dec 10, 3:38 AM EST | Small Craft Advisory | GRR | 18 hr | |
| Dec 10, 4:02 AM EST | Gale Warning | APX | 31 hr | |
| Dec 10, 4:20 PM EST | Gale Warning | DTX | 18 hr | |
| Dec 10, 9:49 PM EST | Gale Warning | GRR | 8 hr | |
| Dec 11, 4:47 AM EST | Gale Warning | MQT | 5 hr | |
| Dec 11, 4:47 AM EST | Small Craft Advisory | MQT | 14 hr | |
| Dec 12, 4:00 AM EST | Gale Watch | MQT | 24 hr | |
| Dec 12, 3:42 PM EST | Small Craft Advisory | APX | 69 hr | |
| Dec 12, 4:03 PM EST | Gale Watch | DTX | 24 hr | |
| Dec 12, 4:37 PM EST | Small Craft Advisory | MQT | 7 days | |
| Dec 12, 4:37 PM EST | Small Craft Advisory | MQT | 7 days | |
| Dec 12, 4:42 PM EST | Marine Dense Fog Advisory | GRR | 23 hr | |
| Dec 12, 4:44 PM EST | Dense Fog Advisory | GRR | Clare, Clinton, Gratiot, Ionia, Isabella, Kent and 9 more | 11 hr |
| Dec 12, 8:07 PM EST | Dense Fog Advisory | DTX | Bay, Genesee, Huron, Lapeer, Livingston, Macomb and 9 more | 14 hr |
| Dec 13, 3:53 AM EST | Small Craft Advisory | GRR | 56 hr | |
| Dec 13, 4:01 AM EST | Marine Dense Fog Advisory | DTX | 9 hr | |
| Dec 13, 4:08 AM EST | Gale Warning | MQT | 54 hr | |
| Dec 13, 10:05 AM EST | Dense Fog Advisory | DTX | Bay, Huron, Midland, Saginaw, Sanilac, Tuscola | 3 hr |
| Dec 13, 6:17 PM EST | Marine Dense Fog Advisory | MQT | 16 hr | |
| Dec 13, 9:48 PM EST | Small Craft Advisory | DTX | 42 hr | |
| Dec 14, 6:02 AM EST | Special Weather Statement | GRR | Calhoun, Jackson, Kalamazoo, Van Buren | 118 min |
| Dec 14, 9:47 AM EST | Special Weather Statement | DTX | Genesee, Lenawee, Livingston, Monroe, Oakland, Shiawassee and 2 more | 58 min |
| Dec 14, 11:21 AM EST | Winter Weather Advisory | MQT | Baraga, Gogebic, Houghton, Keweenaw, Ontonagon | 14 hr |
| Dec 14, 11:26 AM EST | Special Weather Statement | GRR | Kent | 64 min |
| Dec 14, 11:33 AM EST | Special Weather Statement | IWX | Branch | 27 min |
| Dec 14, 11:39 AM EST | Special Weather Statement | GRR | Barry, Calhoun | 66 min |
| Dec 14, 12:09 PM EST | Special Weather Statement | GRR | Kent, Mecosta, Montcalm, Newaygo | 66 min |
| Dec 14, 12:24 PM EST | Special Weather Statement | GRR | Clinton, Eaton, Ingham, Ionia, Jackson | 51 min |
| Dec 14, 12:31 PM EST | Special Weather Statement | DTX | Lenawee, Livingston, Monroe, Oakland, Washtenaw, Wayne | 89 min |
| Dec 14, 1:02 PM EST | Special Weather Statement | GRR | Clare, Clinton, Gratiot, Ingham, Isabella | 58 min |
| Dec 14, 1:11 PM EST | Special Weather Statement | APX | Antrim, Arenac, Crawford, Gladwin, Grand Traverse, Iosco and 8 more | 2 hr |
| Dec 14, 1:12 PM EST | Special Weather Statement | DTX | Bay, Genesee, Midland, Saginaw, Shiawassee | 93 min |
| Dec 14, 1:13 PM EST | Special Weather Statement | APX | Antrim, Arenac, Crawford, Gladwin, Grand Traverse, Iosco and 8 more | 2 hr |
| Dec 14, 1:40 PM EST | Severe Thunderstorm Warning | DTX | Bay, Midland, Saginaw | 65 min |
| Dec 14, 2:00 PM EST | Special Marine Warning | DTX | 90 min | |
| Dec 14, 2:04 PM EST | Special Marine Warning | DTX | 56 min | |
| Dec 14, 2:15 PM EST | Special Weather Statement | DTX | Huron, Lapeer, Macomb, Saint Clair, Sanilac, Tuscola | 90 min |
| Dec 14, 3:00 PM EST | Special Marine Warning | APX | 60 min | |
| Dec 14, 3:21 PM EST | Special Weather Statement | APX | Alcona, Alpena, Antrim, Cheboygan, Crawford, Emmet and 5 more | 54 min |
| Dec 14, 4:22 PM EST | Small Craft Advisory | MQT | 21 hr | |
| Dec 14, 5:10 PM EST | Special Weather Statement | DTX | Lenawee, Livingston, Washtenaw | 50 min |
| Dec 14, 5:32 PM EST | Special Weather Statement | DTX | Livingston, Monroe, Oakland, Washtenaw, Wayne | 58 min |
| Dec 15, 4:08 AM EST | Gale Warning | MQT | 5 days | |
| Dec 15, 1:55 PM EST | Gale Watch | APX | 14 hr | |
| Dec 15, 3:50 PM EST | Gale Watch | DTX | 6 hr | |
| Dec 15, 9:31 PM EST | Gale Warning | DTX | 18 hr | |
| Dec 15, 9:31 PM EST | Small Craft Advisory | DTX | 24 hr | |
| Dec 16, 3:28 AM EST | Small Craft Advisory | APX | 5 days | |
| Dec 16, 4:16 AM EST | Small Craft Advisory | GRR | 7 hr | |
| Dec 16, 4:18 AM EST | Lake Effect Snow Watch | MQT | Houghton, Keweenaw | 24 hr |
| Dec 16, 4:29 AM EST | Gale Warning | MQT | 3 days | |
| Dec 16, 8:21 AM EST | Gale Warning | APX | 20 hr | |
| Dec 16, 11:26 AM EST | Gale Warning | GRR | 11 hr | |
| Dec 16, 10:32 PM EST | Small Craft Advisory | GRR | 68 hr | |
| Dec 17, 3:54 AM EST | Gale Warning | MQT | 61 hr | |
| Dec 17, 4:12 AM EST | Lake Effect Snow Advisory | MQT | Houghton, Keweenaw | 10 hr |
| Dec 17, 2:40 PM EST | Lake Effect Snow Warning | MQT | Houghton, Keweenaw | 40 hr |
| Dec 17, 3:14 PM EST | Winter Weather Advisory | APX | Antrim, Cheboygan, Emmet, Otsego | 52 hr |
| Dec 17, 3:15 PM EST | Winter Weather Advisory | GRR | Allegan, Barry, Calhoun, Eaton, Jackson, Kalamazoo and 4 more | 35 hr |
| Dec 17, 9:48 PM EST | Lake Effect Snow Advisory | MQT | Alger, Baraga, Houghton, Keweenaw, Luce, Ontonagon and 1 more | 45 hr |
| Dec 18, 3:57 AM EST | Gale Watch | DTX | 6 hr | |
| Dec 18, 3:57 AM EST | Small Craft Advisory | DTX | 3 days | |
| Dec 18, 9:59 AM EST | Gale Warning | DTX | 36 hr | |
| Dec 18, 10:34 PM EST | Small Craft Advisory | MQT | 7 hr | |
| Dec 19, 3:55 AM EST | Gale Watch | DTX | 18 hr | |
| Dec 19, 5:09 AM EST | Small Craft Advisory | MQT | 14 hr | |
| Dec 19, 5:09 AM EST | Small Craft Advisory | MQT | 20 hr | |
| Dec 19, 9:35 PM EST | Gale Warning | DTX | 24 hr | |
| Dec 19, 9:49 PM EST | Gale Warning | GRR | 21 hr | |
| Dec 19, 9:49 PM EST | Small Craft Advisory | GRR | 45 hr | |
| Dec 19, 9:55 PM EST | Small Craft Advisory | MQT | 48 hr | |
| Dec 20, 3:57 AM EST | Small Craft Advisory | DTX | 24 hr | |
| Dec 20, 4:13 AM EST | Gale Warning | APX | 15 hr | |
| Dec 21, 4:46 PM EST | Gale Watch | MQT | 11 hr | |
| Dec 22, 3:47 AM EST | Gale Watch | DTX | 24 hr | |
| Dec 22, 3:32 PM EST | Gale Watch | GRR | 12 hr | |
| Dec 22, 3:32 PM EST | Small Craft Advisory | GRR | 27 hr | |
| Dec 22, 3:42 PM EST | Gale Watch | APX | 12 hr | |
| Dec 22, 3:42 PM EST | Small Craft Advisory | APX | 7 hr | |
| Dec 22, 4:29 PM EST | Gale Watch | MQT | 12 hr | |
| Dec 22, 4:29 PM EST | Small Craft Advisory | MQT | 35 hr | |
| Dec 22, 10:18 PM EST | Gale Warning | MQT | 46 hr | |
| Dec 23, 3:48 AM EST | Gale Warning | GRR | 22 hr | |
| Dec 23, 3:52 AM EST | Gale Warning | DTX | 35 hr | |
| Dec 23, 3:52 AM EST | Small Craft Advisory | DTX | 20 hr | |
| Dec 23, 3:53 AM EST | Wind Advisory | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 30 hr |
| Dec 23, 4:08 AM EST | Gale Warning | APX | 36 hr | |
| Dec 23, 4:08 AM EST | High Wind Watch | APX | Emmet | 12 hr |
| Dec 23, 4:08 AM EST | Storm Watch | APX | 12 hr | |
| Dec 23, 4:08 AM EST | Wind Advisory | APX | Alcona, Alpena, Antrim, Arenac, Benzie, Cheboygan and 15 more | 32 hr |
| Dec 23, 4:27 AM EST | Storm Warning | MQT | 34 hr | |
| Dec 23, 4:50 AM EST | Wind Advisory | MQT | Alger, Delta, Houghton, Keweenaw, Luce, Menominee and 1 more | 35 hr |
| Dec 23, 2:55 PM EST | Mesoscale Discussion | SPC | Branch, Calhoun, Cass, Hillsdale, Jackson, Kalamazoo and 5 more | 95 min |
| Dec 23, 3:10 PM EST | Special Weather Statement | GRR | Barry, Calhoun, Eaton, Kalamazoo | 50 min |
| Dec 23, 3:23 PM EST | Wind Advisory | DTX | Bay, Genesee, Huron, Lapeer, Lenawee, Livingston and 11 more | 17 hr |
| Dec 23, 3:47 PM EST | Wind Advisory | IWX | Branch, Cass, Hillsdale, Saint Joseph | 12 hr |
| Dec 23, 3:49 PM EST | Winter Weather Advisory | MQT | Gogebic, Houghton, Keweenaw, Ontonagon | 17 hr |
| Dec 23, 3:55 PM EST | Storm Warning | APX | 19 hr | |
| Dec 23, 4:00 PM EST | Special Weather Statement | IWX | Branch | 30 min |
| Dec 23, 4:11 PM EST | High Wind Warning | APX | Benzie, Emmet, Leelanau, Manistee | 20 hr |
| Dec 23, 4:24 PM EST | Special Weather Statement | GRR | Barry, Calhoun, Clinton, Eaton, Gratiot, Ingham and 3 more | 2 hr |
| Dec 23, 5:01 PM EST | Special Weather Statement | IWX | Hillsdale | 29 min |
| Dec 23, 5:19 PM EST | Special Weather Statement | DTX | Lenawee, Livingston, Monroe, Washtenaw | 86 min |
| Dec 23, 5:28 PM EST | Special Weather Statement | DTX | Bay, Genesee, Midland, Saginaw, Shiawassee | 92 min |
| Dec 23, 6:03 PM EST | Special Weather Statement | DTX | Lenawee, Monroe | 57 min |
| Dec 23, 6:08 PM EST | Special Marine Warning | DTX | 52 min | |
| Dec 23, 6:20 PM EST | Special Weather Statement | DTX | Macomb, Oakland, Saint Clair, Wayne | 85 min |
| Dec 23, 6:55 PM EST | Special Weather Statement | DTX | Huron, Lapeer, Sanilac, Tuscola | 95 min |
| Dec 24, 1:41 AM EST | Storm Warning | GRR | 5 hr | |
| Dec 24, 3:05 AM EST | Special Marine Warning | DTX | 115 min | |
| Dec 24, 6:47 AM EST | Gale Warning | GRR | 3 hr | |
| Dec 24, 7:02 AM EST | Storm Warning | DTX | 3 hr | |
| Dec 24, 9:52 AM EST | Small Craft Advisory | GRR | 6 hr | |
| Dec 24, 9:55 AM EST | Small Craft Advisory | DTX | 9 hr | |
| Dec 24, 4:03 PM EST | Small Craft Advisory | DTX | 3 hr | |
| Dec 24, 4:05 PM EST | Small Craft Advisory | MQT | 5 hr | |
| Dec 24, 4:08 PM EST | Small Craft Advisory | APX | 6 hr | |
| Dec 24, 10:30 PM EST | Small Craft Advisory | MQT | 90 min | |
| Dec 25, 4:09 AM EST | Small Craft Advisory | MQT | 17 hr | |
| Dec 25, 3:30 PM EST | Winter Weather Advisory | MQT | Baraga, Gogebic, Houghton, Iron, Keweenaw, Marquette and 1 more | 36 hr |
| Dec 25, 5:00 PM EST | Small Craft Advisory | MQT | 3 days | |
| Dec 26, 3:48 AM EST | Small Craft Advisory | DTX | 48 hr | |
| Dec 26, 4:19 AM EST | Small Craft Advisory | APX | 63 hr | |
| Dec 26, 12:10 PM EST | River Flood Advisory | GRR | Ingham | 36 hr |
| Dec 26, 1:43 PM EST | Small Craft Advisory | GRR | 41 hr | |
| Dec 26, 4:00 PM EST | Gale Watch | DTX | 12 hr | |
| Dec 27, 3:30 AM EST | Winter Storm Watch | APX | Alcona, Alpena, Antrim, Arenac, Benzie, Cheboygan and 16 more | 24 hr |
| Dec 27, 3:30 AM EST | Winter Storm Watch | DTX | Bay, Genesee, Huron, Lapeer, Livingston, Macomb and 7 more | 23 hr |
| Dec 27, 3:33 AM EST | Gale Warning | GRR | 45 hr | |
| Dec 27, 3:42 AM EST | Winter Storm Watch | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 12 hr |
| Dec 27, 3:45 AM EST | Gale Warning | DTX | 54 hr | |
| Dec 27, 3:49 AM EST | Gale Watch | APX | 12 hr | |
| Dec 27, 3:49 AM EST | Gale Warning | APX | 55 hr | |
| Dec 27, 4:15 AM EST | Winter Storm Watch | MQT | Alger, Baraga, Delta, Dickinson, Iron, Marquette and 2 more | 11 hr |
| Dec 27, 4:36 AM EST | Gale Watch | MQT | 14 hr | |
| Dec 27, 3:37 PM EST | Winter Storm Warning | MQT | Alger, Baraga, Delta, Dickinson, Gogebic, Houghton and 6 more | 40 hr |
| Dec 27, 3:37 PM EST | Winter Weather Advisory | MQT | Gogebic, Houghton, Keweenaw, Ontonagon | 37 hr |
| Dec 27, 3:53 PM EST | Winter Storm Warning | GRR | Allegan, Barry, Calhoun, Clare, Clinton, Eaton and 17 more | 35 hr |
| Dec 27, 3:53 PM EST | Winter Weather Advisory | GRR | Calhoun, Jackson, Kalamazoo, Van Buren | 20 hr |
| Dec 27, 4:13 PM EST | Wind Advisory | IWX | Branch, Cass, Hillsdale, Saint Joseph | 29 hr |
| Dec 27, 4:13 PM EST | Freezing Rain Advisory | IWX | Branch, Cass, Hillsdale, Saint Joseph | 27 hr |
| Dec 27, 6:22 PM EST | Gale Warning | MQT | 43 hr | |
| Dec 27, 6:22 PM EST | Small Craft Advisory | MQT | 57 hr | |
| Dec 28, 2:39 AM EST | Winter Storm Warning | DTX | Bay, Huron, Midland, Saginaw, Sanilac, Tuscola | 22 hr |
| Dec 28, 2:39 AM EST | Winter Weather Advisory | DTX | Genesee, Lapeer, Lenawee, Livingston, Macomb, Monroe and 5 more | 22 hr |
| Dec 28, 3:56 AM EST | Winter Storm Warning | APX | Alcona, Alpena, Antrim, Arenac, Benzie, Cheboygan and 16 more | 28 hr |
| Dec 28, 6:26 AM EST | Mesoscale Discussion | SPC | Berrien, Cass, Saint Joseph | 4 hr |
| Dec 28, 10:11 AM EST | Lakeshore Flood Warning | DTX | Monroe, Wayne | 14 hr |
| Dec 28, 12:04 PM EST | Mesoscale Discussion | SPC | Allegan, Barry, Berrien, Branch, Calhoun, Cass and 17 more | 6 hr |
| Dec 28, 7:00 PM EST | Mesoscale Discussion | SPC | Alcona, Alpena, Antrim, Arenac, Bay, Benzie and 43 more | 5 hr |
| Dec 28, 10:32 PM EST | Storm Warning | APX | 5 hr | |
| Dec 28, 10:56 PM EST | Small Craft Advisory | DTX | 17 hr | |
| Dec 29, 12:26 AM EST | Small Craft Advisory | GRR | 22 hr | |
| Dec 29, 4:48 AM EST | Winter Weather Advisory | MQT | Baraga, Marquette | 7 hr |
| Dec 29, 5:06 AM EST | Small Craft Advisory | MQT | 22 hr | |
| Dec 29, 11:16 AM EST | Small Craft Advisory | APX | 11 hr | |
| Dec 30, 2:11 PM EST | River Flood Advisory | GRR | Ingham | 29 hr |
| Dec 30, 3:32 PM EST | Small Craft Advisory | GRR | 5 days | |
| Dec 30, 10:45 PM EST | Small Craft Advisory | MQT | 4 days | |
| Dec 31, 3:41 AM EST | Small Craft Advisory | DTX | 42 hr | |
| Dec 31, 3:55 AM EST | Small Craft Advisory | APX | 4 days |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Calhoun County14
- Livingston County14
- Monroe County14
- Washtenaw County14
- Wayne County14
- Jackson County13
- Lenawee County13
- Oakland County13
- Shiawassee County13
- Clinton County12
- Ingham County12
- Bay County12
- Genesee County12
- Huron County12
- Midland County12
- Saginaw County12
- Sanilac County12
- Tuscola County12
- Eaton County11
- Ionia County11
- Kalamazoo County11
- Lapeer County11
- Macomb County11
- Branch County10
- Barry County10
- Gratiot County10
- Kent County10
- Saint Clair County10
- Houghton County10
- Hillsdale County9
- Montcalm County9
- Van Buren County9
- Keweenaw County9
- Cass County8
- Saint Joseph County8
- Clare County8
- Isabella County8
- Mecosta County8
- Muskegon County8
- Newaygo County8
41 more counties
- Ottawa County8
- Antrim County8
- Otsego County8
- Allegan County7
- Lake County7
- Mason County7
- Oceana County7
- Osceola County7
- Crawford County7
- Iosco County7
- Montmorency County7
- Ogemaw County7
- Oscoda County7
- Emmet County7
- Baraga County6
- Ontonagon County6
- Arenac County6
- Gladwin County6
- Grand Traverse County6
- Kalkaska County6
- Missaukee County6
- Roscommon County6
- Wexford County6
- Cheboygan County6
- Gogebic County5
- Alcona County5
- Alpena County5
- Benzie County5
- Leelanau County5
- Manistee County5
- Alger County4
- Schoolcraft County4
- Presque Isle County4
- Delta County4
- Menominee County4
- Marquette County4
- Luce County3
- Iron County3
- Dickinson County2
- Berrien County2
- Charlevoix County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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. Rebuilt daily.