Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 18
NWS Storm Prediction Center Norman OK
735 PM EST Sat Jan 11 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northwest North Carolina
Southern Virginia
Far Southern West Virginia
* Effective this Saturday night and Sunday morning from 735 PM
until 100 AM EST.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
A tornado or two possible
SUMMARY...A fast-moving line of storms will continue to race
northeastward this evening and pose a damaging wind risk across the
region this evening, and possibly into the overnight. A short-lived
tornado cannot be ruled out.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 45 miles south
southwest of Bluefield WV to 35 miles east of Lynchburg VA. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 15...WW 16...WW 17...
AVIATION...A few severe thunderstorms with hail surface and aloft to
0.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
24045.
...Guyer
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 18
NWS Storm Prediction Center Norman OK
735 PM EST Sat Jan 11 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northwest North Carolina
Southern Virginia
Far Southern West Virginia
* Effective this Saturday night and Sunday morning from 735 PM
until 100 AM EST.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
A tornado or two possible
SUMMARY...A fast-moving line of storms will continue to race
northeastward this evening and pose a damaging wind risk across the
region this evening, and possibly into the overnight. A short-lived
tornado cannot be ruled out.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 45 miles south
southwest of Bluefield WV to 35 miles east of Lynchburg VA. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU8).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 15...WW 16...WW 17...
AVIATION...A few severe thunderstorms with hail surface and aloft to
0.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
24045.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 18 SEVERE TSTM NC VA WV 120035Z - 120600Z
AXIS..50 STATUTE MILES NORTH AND SOUTH OF LINE..
45SSW BLF/BLUEFIELD WV/ - 35E LYH/LYNCHBURG VA/
..AVIATION COORDS.. 45NM N/S /33ENE HMV - 32E LYH/
HAIL SURFACE AND ALOFT..0.5 INCH. WIND GUSTS..65 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 24045.
LAT...LON 37408151 38047855 36597855 35958151
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 18 Status Report Messages:
STATUS REPORT #4 ON WW 18
VALID 120530Z - 120600Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SE DAN TO
5 WSW CHO.
WW 18 WILL BE ALLOWED TO EXPIRE AT 120600Z.
..NAUSLAR..01/12/20
ATTN...WFO...RNK...
&&
STATUS REPORT FOR WS 18
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
VAC011-029-037-083-120600-
VA
. VIRGINIA COUNTIES INCLUDED ARE
APPOMATTOX BUCKINGHAM CHARLOTTE
HALIFAX
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 18
VALID 120445Z - 120540Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 15 SSW DAN
TO 15 N DAN TO 5 ENE LYH TO 5 WSW CHO.
..LEITMAN..01/12/20
ATTN...WFO...RNK...
&&
STATUS REPORT FOR WS 18
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC033-120540-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
CASWELL
$$
VAC009-011-029-031-037-083-143-590-120540-
VA
. VIRGINIA COUNTIES INCLUDED ARE
AMHERST APPOMATTOX BUCKINGHAM
CAMPBELL CHARLOTTE HALIFAX
PITTSYLVANIA
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
DANVILLE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 18
VALID 120330Z - 120440Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 NW GSO TO
40 WNW DAN TO 15 SSE ROA TO 35 WSW SHD.
..LEITMAN..01/12/20
ATTN...WFO...RNK...
&&
STATUS REPORT FOR WS 18
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC033-157-120440-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
CASWELL ROCKINGHAM
$$
VAC009-011-019-029-031-037-067-083-089-143-590-680-690-120440-
VA
. VIRGINIA COUNTIES INCLUDED ARE
AMHERST APPOMATTOX BEDFORD
BUCKINGHAM CAMPBELL CHARLOTTE
FRANKLIN HALIFAX HENRY
PITTSYLVANIA
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
DANVILLE LYNCHBURG MARTINSVILLE
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 18
VALID 120235Z - 120340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 25 NE HKY TO
35 SSW PSK TO 5 W SSU.
..LEITMAN..01/12/20
ATTN...WFO...RNK...
&&
STATUS REPORT FOR WS 18
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC033-157-169-171-197-120340-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
CASWELL ROCKINGHAM STOKES
SURRY YADKIN
$$
VAC009-011-019-023-029-031-037-045-063-067-083-089-121-141-143-
161-590-680-690-750-770-775-120340-
VA
. VIRGINIA COUNTIES INCLUDED ARE
AMHERST APPOMATTOX BEDFORD
BOTETOURT BUCKINGHAM CAMPBELL
CHARLOTTE CRAIG FLOYD
FRANKLIN HALIFAX HENRY
MONTGOMERY PATRICK PITTSYLVANIA
ROANOKE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
DANVILLE LYNCHBURG MARTINSVILLE
RADFORD ROANOKE SALEM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (10%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (50%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Low (<5%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.
weather.gov 
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