Alert archive / Michigan / Frost Advisories / 2009

Frost Advisories in Michigan, September 2009

11 frost advisories in September 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 frost advisories reaches back to 2005.

Frost Advisories by county

Each county as a circle sized by its count in September 2009. Tap one for its archive.

Frost Advisories
11
Busiest day
September 19, 20093 frost advisories

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.

IssuedProductOfficeCountiesLasted
Sep 17, 1:53 AM EDTFrost AdvisoryAPXAlcona, Alpena, Arenac, Benzie, Cheboygan, Crawford and 13 more7 hr
Sep 18, 2:45 PM EDTFrost AdvisoryGRRClare, Isabella, Lake, Mecosta, Osceola18 hr
Sep 18, 3:44 PM EDTFrost AdvisoryAPXAlcona, Alpena, Antrim, Cheboygan, Crawford, Emmet and 11 more17 hr
Sep 18, 9:48 PM EDTFrost AdvisoryMQTAlger, Baraga, Delta, Dickinson, Iron, Luce and 3 more10 hr
Sep 19, 2:46 PM EDTFrost AdvisoryGRRClare, Isabella, Lake, Mason, Mecosta, Newaygo and 2 more17 hr
Sep 19, 3:55 PM EDTFrost AdvisoryAPXAlcona, Alpena, Antrim, Arenac, Cheboygan, Crawford and 13 more16 hr
Sep 19, 8:06 PM EDTFrost AdvisoryDTXBay, Genesee, Huron, Lapeer, Midland, Saginaw and 4 more8 hr
Sep 29, 3:39 AM EDTFrost AdvisoryMQTHoughton29 hr
Sep 30, 3:56 AM EDTFrost AdvisoryGRRAllegan, Barry, Calhoun, Clinton, Eaton, Ingham and 9 more17 hr
Sep 30, 4:07 AM EDTFrost AdvisoryIWXBranch, Cass, Hillsdale, Saint Joseph29 hr
Sep 30, 4:40 AM EDTFrost AdvisoryDTXGenesee, Huron, Lapeer, Lenawee, Livingston, Macomb and 8 more11 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

32 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20082010

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.