Alert archive / Florida / Mesoscale Discussions / 2009

Mesoscale Discussions in Florida, December 2009

24 mesoscale discussions in December 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 December 2009. Tap one for its archive.

Mesoscale Discussions
24
Busiest day
December 2, 20095 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, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Dec 2, 12:10 AM ESTMesoscale DiscussionSPCBay, Calhoun, Escambia, Franklin, Gadsden, Gulf and 8 more2 hr
Dec 2, 6:02 AM ESTMesoscale DiscussionSPCBay, Calhoun, Escambia, Franklin, Gadsden, Gulf and 9 more58 min
Dec 2, 9:52 AM ESTMesoscale DiscussionSPCAlachua, Baker, Bradford, Columbia, Dixie, Gilchrist and 9 more83 min
Dec 2, 12:48 PM ESTMesoscale DiscussionSPCAlachua, Baker, Bradford, Columbia, Dixie, Gilchrist and 9 more117 min
Dec 2, 6:39 PM ESTMesoscale DiscussionSPCAlachua, Baker, Bradford, Citrus, Clay, Columbia and 12 more96 min
Dec 2, 10:08 PM ESTMesoscale DiscussionSPCBrevard, Citrus, Clay, DeSoto, Flagler, Hardee and 16 more97 min
Dec 4, 10:24 PM ESTMesoscale DiscussionSPCBroward, Collier, Miami-Dade, Monroe, Palm Beach96 min
Dec 5, 4:08 AM ESTMesoscale DiscussionSPCBroward, Collier, Hendry, Martin, Miami-Dade, Monroe and 2 more97 min
Dec 5, 7:00 AM ESTMesoscale DiscussionSPCBroward, Collier, Glades, Hendry, Martin, Miami-Dade and 3 more30 min
Dec 5, 8:40 AM ESTMesoscale DiscussionSPCBroward, Collier, Glades, Hendry, Lee, Martin and 5 more35 min
Dec 5, 11:14 AM ESTMesoscale DiscussionSPCBroward, Collier, Hendry, Martin, Miami-Dade, Monroe and 1 more61 min
Dec 9, 3:20 AM ESTMesoscale DiscussionSPCHolmes85 min
Dec 9, 11:29 AM ESTMesoscale DiscussionSPCBaker, Columbia, Dixie, Franklin, Gilchrist, Gulf and 11 more91 min
Dec 15, 4:22 AM ESTMesoscale DiscussionSPCEscambia, Santa Rosa83 min
Dec 18, 4:14 AM ESTMesoscale DiscussionSPCMiami-Dade2 hr
Dec 18, 6:39 AM ESTMesoscale DiscussionSPCBrevard, Broward, Charlotte, Collier, Hernando, Indian River and 10 more2 hr
Dec 18, 11:16 AM ESTMesoscale DiscussionSPCBroward, Collier, Glades, Hendry, Martin, Miami-Dade and 2 more59 min
Dec 24, 11:13 AM ESTMesoscale DiscussionSPCEscambia62 min
Dec 24, 4:33 PM ESTMesoscale DiscussionSPCEscambia57 min
Dec 24, 5:46 PM ESTMesoscale DiscussionSPCBay, Calhoun, Escambia, Holmes, Okaloosa, Santa Rosa and 2 more59 min
Dec 24, 8:32 PM ESTMesoscale DiscussionSPCBay, Calhoun, Holmes, Jackson, Okaloosa, Walton and 1 more118 min
Dec 24, 10:45 PM ESTMesoscale DiscussionSPCBay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 4 more2 hr
Dec 25, 3:27 AM ESTMesoscale DiscussionSPCAlachua, Baker, Citrus, Columbia, Dixie, Gilchrist and 7 more63 min
Dec 25, 7:27 AM ESTMesoscale DiscussionSPCBaker, Columbia, Dixie, Gilchrist, Hamilton, Lafayette and 3 more93 min

By county

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

26 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.