Alert archive / Florida / Mesoscale Discussions / 2011

Mesoscale Discussions in Florida, September 2011

20 mesoscale discussions in September 2011. 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 September 2011. Tap one for its archive.

Mesoscale Discussions
20
Busiest day
September 4, 20116 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
Sep 3, 8:46 AM EDTMesoscale DiscussionSPCEscambia, Santa Rosa119 min
Sep 3, 2:41 PM EDTMesoscale DiscussionSPCEscambia, Okaloosa, Santa Rosa, Walton64 min
Sep 3, 6:57 PM EDTMesoscale DiscussionSPCEscambia, Okaloosa, Santa Rosa2 hr
Sep 4, 12:35 AM EDTMesoscale DiscussionSPCEscambia, Okaloosa, Santa Rosa115 min
Sep 4, 5:30 AM EDTMesoscale DiscussionSPCEscambia, Santa Rosa60 min
Sep 4, 10:50 AM EDTMesoscale DiscussionSPCBay, Calhoun, Escambia, Gulf, Holmes, Okaloosa and 3 more85 min
Sep 4, 12:27 PM EDTMesoscale DiscussionSPCCalhoun, Gadsden, Jackson, Jefferson, Leon, Liberty and 2 more33 min
Sep 4, 3:47 PM EDTMesoscale DiscussionSPCEscambia, Okaloosa, Santa Rosa, Walton88 min
Sep 4, 7:29 PM EDTMesoscale DiscussionSPCBay, Calhoun, Dixie, Escambia, Franklin, Gadsden and 14 more2 hr
Sep 5, 12:35 AM EDTMesoscale DiscussionSPCEscambia, Okaloosa, Santa Rosa115 min
Sep 5, 5:26 AM EDTMesoscale DiscussionSPCBay, Calhoun, Escambia, Holmes, Jackson, Okaloosa and 3 more94 min
Sep 5, 12:01 PM EDTMesoscale DiscussionSPCBay, Calhoun, Escambia, Franklin, Gadsden, Gulf and 10 more29 min
Sep 5, 4:15 PM EDTMesoscale DiscussionSPCBay, Calhoun, Gadsden, Gulf, Holmes, Jackson and 9 more30 min
Sep 5, 6:24 PM EDTMesoscale DiscussionSPCAlachua, Baker, Columbia, Gilchrist, Hamilton, Levy and 1 more66 min
Sep 5, 8:36 PM EDTMesoscale DiscussionSPCColumbia, Dixie, Gadsden, Gilchrist, Hamilton, Jefferson and 7 more84 min
Sep 9, 6:22 PM EDTMesoscale DiscussionSPCBrevard, Broward, Collier, DeSoto, Glades, Hardee and 11 more83 min
Sep 10, 5:53 PM EDTMesoscale DiscussionSPCBrevard, Broward, Charlotte, Collier, DeSoto, Glades and 19 more97 min
Sep 12, 6:20 PM EDTMesoscale DiscussionSPCBroward, Hendry, Martin, Miami-Dade, Monroe, Palm Beach115 min
Sep 20, 1:26 PM EDTMesoscale DiscussionSPCNassau64 min
Sep 26, 6:04 PM EDTMesoscale DiscussionSPCClay, Duval, Nassau, Saint Johns116 min

By county

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

17 more counties

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

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.