Alert archive / Virginia / Severe Thunderstorm Watches in 2020

Severe Thunderstorm Watch 20

January 11, 202019 counties in North Carolina; 37 counties in Virginia

The Storm Prediction Center issued this severe thunderstorm watch at Jan 11, 2020, 11:25 PM EST for 19 counties in North Carolina; 37 counties in Virginia. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Jan 11, 2020, 11:25 PM EST (04:25 UTC)
Expired
Jan 12, 2020, 3:26 AM EST
In force
4 hr
Issued by
the Storm Prediction Center
Largest hail expected
0.5 in
Strongest gust expected
60 kt
All 56 counties

Bertie County, NC, Camden County, NC, Chowan County, NC, Edgecombe County, NC, Gates County, NC, Greene County, NC, Halifax County, NC, Hertford County, NC, Johnston County, NC, Martin County, NC, Nash County, NC, Northampton County, NC, Pasquotank County, NC, Perquimans County, NC, Pitt County, NC, Sampson County, NC, Warren County, NC, Wayne County, NC, Wilson County, NC, Amelia County, VA, Brunswick County, VA, Caroline County, VA, Charles City County, VA, Chesterfield County, VA, City of Chesapeake, VA, City of Colonial Heights, VA, City of Emporia, VA, City of Franklin, VA, City of Hopewell, VA, City of Petersburg, VA, City of Richmond, VA, City of Suffolk, VA, City of Williamsburg, VA, Cumberland County, VA, Dinwiddie County, VA, Essex County, VA, Fluvanna County, VA, Goochland County, VA, Greensville County, VA, Hanover County, VA, Henrico County, VA, Isle of Wight County, VA, James City County, VA, King and Queen County, VA, King William County, VA, Louisa County, VA, Lunenburg County, VA, Mecklenburg County, VA, New Kent County, VA, Nottoway County, VA, Powhatan County, VA, Prince Edward County, VA, Prince George County, VA, Southampton County, VA, Surry County, VA, Sussex County, VA

The radar

The Norfolk radar (KAKQ), 35 km from the middle of the area, began a volume at 04:25 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
20%
One or more EF2 to EF5 tornadoes
5%
Ten or more severe wind reports
40%
One or more gusts of 65 knots or more
10%
Ten or more severe hail reports
5%
One or more hailstones of 2 inches or more
5%
Six or more combined severe hail and wind reports
60%

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jan 11, 11:47 PM ESTSevere Thunderstorm WarningAKQCumberland, Fluvanna, Goochland, Louisa43 min
Jan 11, 11:52 PM ESTSevere Thunderstorm WarningRAHCumberland, Harnett, Hoke, Johnston, Lee, Moore and 2 more68 min
Jan 11, 11:54 PM ESTSevere Thunderstorm WarningAKQAmelia, Cumberland, Goochland, Lunenburg, Mecklenburg, Nottoway and 2 more51 min
Jan 12, 12:00 AM ESTSevere Thunderstorm WarningRAHFranklin, Granville, Halifax, Nash, Vance, Warren75 min
Jan 12, 12:34 AM ESTSevere Thunderstorm WarningAKQAmelia, Chesterfield, Dinwiddie, Goochland, Hanover, Henrico and 3 more41 min
Jan 12, 12:43 AM ESTSevere Thunderstorm WarningAKQBrunswick, Dinwiddie, Lunenburg, Nottoway36 min
Jan 12, 12:52 AM ESTTornado WarningRAHCumberland, Sampson26 min
Jan 12, 12:57 AM ESTSevere Thunderstorm WarningRAHCumberland, Edgecombe, Halifax, Johnston, Nash, Sampson and 2 more78 min
Jan 12, 12:59 AM ESTSevere Thunderstorm WarningMHXDuplin, Greene, Lenoir61 min
Jan 12, 1:15 AM ESTTornado WarningRAHSampson, Wayne30 min
Jan 12, 1:18 AM ESTSevere Thunderstorm WarningAKQAmelia, Chesterfield, Dinwiddie, Henrico, New Kent, Nottoway and 3 more27 min
Jan 12, 1:51 AM ESTSevere Thunderstorm WarningMHXBeaufort, Greene, Martin, Pitt39 min
Jan 12, 2:01 AM ESTSevere Thunderstorm WarningMHXDuplin, Greene, Lenoir, Pitt44 min
Jan 12, 2:09 AM ESTSevere Thunderstorm WarningRAHSampson, Wayne28 min
Jan 12, 2:23 AM ESTSevere Thunderstorm WarningAKQBertie, Chowan52 min
Jan 12, 2:37 AM ESTTornado WarningMHXMartin, Washington38 min
Jan 12, 2:40 AM ESTTornado WarningAKQBertie24 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
Jan 11, 7:37 PM ESTSevere Thunderstorm WatchSPCAlleghany, Ashe, Caswell, Rockingham, Stokes, Surry and 3 more5 hr
Jan 11, 8:40 PM ESTMesoscale DiscussionSPCAlexander, Burke, Cabarrus, Caldwell, Catawba, Cleveland and 14 more95 min
Jan 11, 9:35 PM ESTSevere Thunderstorm WatchSPCAlamance, Anson, Bladen, Chatham, Cumberland, Davidson and 19 more4 hr
Jan 11, 10:59 PM ESTMesoscale DiscussionSPCAlamance, Anson, Caswell, Chatham, Cumberland, Davidson and 22 more91 min
Jan 12, 1:49 AM ESTMesoscale DiscussionSPCBeaufort, Bladen, Brunswick, Columbus, Craven, Duplin and 10 more86 min

Nearby

Severe Thunderstorm Watches in Virginia, 2020Severe Thunderstorm Watches in North Carolina, 2020Every severe thunderstorm watch in 2020

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.