Alert archive / Florida / Tornado Watches in 2009

Tornado Watch 776

October 27, 200919 counties in Florida; 12 counties in Georgia

The Storm Prediction Center issued this tornado watch at Oct 27, 2009, 8:14 AM CDT for 19 counties in Florida; 12 counties in Georgia. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Oct 27, 2009, 8:14 AM CDT (13:14 UTC)
Expired
Oct 27, 2009, 3:48 PM CDT
In force
8 hr
Issued by
the Storm Prediction Center
Largest hail expected
0.5 in
Strongest gust expected
60 kt
All 31 counties

Bay County, FL, Calhoun County, FL, Dixie County, FL, Franklin County, FL, Gadsden County, FL, Gulf County, FL, Holmes County, FL, Jackson County, FL, Jefferson County, FL, Lafayette County, FL, Leon County, FL, Liberty County, FL, Madison County, FL, Okaloosa County, FL, Santa Rosa County, FL, Taylor County, FL, Wakulla County, FL, Walton County, FL, Washington County, FL, Berrien County, GA, Brooks County, GA, Colquitt County, GA, Cook County, GA, Decatur County, GA, Grady County, GA, Lanier County, GA, Lowndes County, GA, Miller County, GA, Mitchell County, GA, Seminole County, GA, Thomas County, GA

The radar

The Eglin Afb radar (KEVX), 61 km from the middle of the area, began a volume at 13:16 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What SPC expected

The probabilities SPC published with the watch, for the watch area over its life.

Two or more tornadoes
40%
One or more EF2 to EF5 tornadoes
20%
Ten or more severe wind reports
20%
One or more gusts of 65 knots or more
5%
Ten or more severe hail reports
10%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
50%

Warnings issued inside it

3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Oct 27, 9:01 AM CDTSevere Thunderstorm WarningTAEBay, Walton44 min
Oct 27, 9:14 AM CDTTornado WarningTAEBay, Walton32 min
Oct 27, 9:25 AM CDTSevere Thunderstorm WarningTAEBay50 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 27, 7:32 AM CDTMesoscale DiscussionSPCBay, Calhoun, Franklin, Gadsden, Gulf, Jackson and 7 more88 min
Oct 27, 10:24 AM CDTMesoscale DiscussionSPCBay, Calhoun, Gadsden, Gulf, Jackson, Jefferson and 5 more2 hr
Oct 27, 1:57 PM CDTMesoscale DiscussionSPCJefferson, Leon, Madison, Wakulla2 hr
Oct 27, 3:43 PM CDTMesoscale DiscussionSPCBaker, Columbia, Dixie, Hamilton, Lafayette, Madison and 4 more92 min
Oct 27, 2:43 PM CDTMesoscale DiscussionSPCBryan, Chatham, Liberty2 hr
Oct 27, 5:56 PM CDTMesoscale DiscussionSPCChatham, Effingham94 min
Oct 27, 6:08 PM CDTTornado WatchSPCBryan, Chatham, Effingham3 hr

Nearby

Tornado Watches in Florida, 2009Tornado Watches in Georgia, 2009Every tornado watch in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.