Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL5
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 445
NWS Storm Prediction Center Norman OK
105 PM EDT Tue Aug 17 2021
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
Northwest North Carolina
Southwest Virginia
* Effective this Tuesday afternoon and evening from 105 PM until
700 PM EDT.
* Primary threats include...
A couple tornadoes possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...Isolated thunderstorms may continue to occasionally
producing brief tornadoes as they track northward across the watch
area this afternoon.
The tornado watch area is approximately along and 30 statute miles
north and south of a line from 105 miles west northwest of
Greensboro NC to 30 miles north northeast of Greensboro NC. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU5).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and 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.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 444...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 0.5 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 17025.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW5
WW 445 TORNADO NC VA 171705Z - 172300Z
AXIS..30 STATUTE MILES NORTH AND SOUTH OF LINE..
105WNW GSO/GREENSBORO NC/ - 30NNE GSO/GREENSBORO NC/
..AVIATION COORDS.. 25NM N/S /26ENE HMV - 30NNE GSO/
HAIL SURFACE AND ALOFT..0.5 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 17025.
LAT...LON 37098168 36937972 36077972 36238168
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU5.
Watch 445 Status Report Messages:
STATUS REPORT #2 ON WW 445
VALID 171925Z - 172100Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..SMITH..08/17/21
ATTN...WFO...RNK...
&&
STATUS REPORT FOR WT 445
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC005-009-157-169-171-189-193-197-172100-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALLEGHANY ASHE ROCKINGHAM
STOKES SURRY WATAUGA
WILKES YADKIN
$$
VAC035-063-067-077-089-121-141-155-173-197-640-690-750-172100-
VA
. VIRGINIA COUNTIES INCLUDED ARE
CARROLL FLOYD FRANKLIN
GRAYSON HENRY MONTGOMERY
PATRICK PULASKI SMYTH
WYTHE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
GALAX MARTINSVILLE RADFORD
$$
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.
$$
STATUS REPORT #1 ON WW 445
VALID 171715Z - 171900Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1544
..SMITH..08/17/21
ATTN...WFO...RNK...
&&
STATUS REPORT FOR WT 445
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC005-009-157-169-171-189-193-197-171900-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALLEGHANY ASHE ROCKINGHAM
STOKES SURRY WATAUGA
WILKES YADKIN
$$
VAC035-063-067-077-089-121-141-155-173-197-640-690-750-171900-
VA
. VIRGINIA COUNTIES INCLUDED ARE
CARROLL FLOYD FRANKLIN
GRAYSON HENRY MONTGOMERY
PATRICK PULASKI SMYTH
WYTHE
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
GALAX MARTINSVILLE RADFORD
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Low (20%)
|
Probability of 1 or more wind events > 65 knots
|
Low (10%)
|
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
|
Mod (30%)
|
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.