Alert archive / South Carolina / Tornado Watches in 2009

Tornado Watch 121

April 6, 20096 counties in North Carolina; 22 counties in South Carolina

The Storm Prediction Center issued this tornado watch at Apr 6, 2009, 7:07 AM EDT for 6 counties in North Carolina; 22 counties in South Carolina. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 6, 2009, 7:07 AM EDT (11:07 UTC)
Expired
Apr 6, 2009, 1:00 PM EDT
In force
6 hr
Issued by
the Storm Prediction Center
Largest hail expected
1.5 in
Strongest gust expected
60 kt
All 28 counties

Bladen County, NC, Brunswick County, NC, Columbus County, NC, New Hanover County, NC, Pender County, NC, Robeson County, NC, Berkeley County, SC, Calhoun County, SC, Charleston County, SC, Chesterfield County, SC, Clarendon County, SC, Darlington County, SC, Dillon County, SC, Dorchester County, SC, Fairfield County, SC, Florence County, SC, Georgetown County, SC, Horry County, SC, Kershaw County, SC, Lancaster County, SC, Lee County, SC, Lexington County, SC, Marion County, SC, Marlboro County, SC, Orangeburg County, SC, Richland County, SC, Sumter County, SC, Williamsburg County, SC

The radar

The Wilmington radar (KLTX), 90 km from the middle of the area, began a volume at 11:10 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
30%
One or more gusts of 65 knots or more
30%
Ten or more severe hail reports
40%
One or more hailstones of 2 inches or more
30%
Six or more combined severe hail and wind reports
70%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Apr 6, 9:55 AM EDTSevere Thunderstorm WarningILMBladen, Columbus, Robeson65 min
Apr 6, 10:32 AM EDTSevere Thunderstorm WarningILMColumbus43 min
Apr 6, 10:32 AM EDTTornado WarningILMBladen, Columbus28 min
Apr 6, 10:37 AM EDTSevere Thunderstorm WarningILMFlorence, Georgetown, Horry, Marion, Williamsburg38 min
Apr 6, 11:51 AM EDTTornado WarningILMBrunswick24 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
Apr 6, 3:37 AM EDTMesoscale DiscussionSPCAnson, Bladen, Brunswick, Columbus, Cumberland, Duplin and 17 more83 min
Apr 6, 8:03 AM EDTTornado WatchSPCBeaufort, Bertie, Camden, Carteret, Chowan, Craven and 32 more7 hr
Apr 6, 10:33 AM EDTMesoscale DiscussionSPCBeaufort, Bertie, Bladen, Brunswick, Camden, Carteret and 36 more57 min
Apr 6, 1:08 PM EDTMesoscale DiscussionSPCBeaufort, Camden, Carteret, Chowan, Craven, Currituck and 8 more67 min

Nearby

Tornado Watches in South Carolina, 2009Tornado Watches in North Carolina, 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.