Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL0
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 20
NWS Storm Prediction Center Norman OK
1125 PM EST Sat Jan 11 2020
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Eastern North Carolina
Southeast Virginia
* Effective this Saturday night and Sunday morning from 1125 PM
until 500 AM EST.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...A broken line of fast-moving storms will continue to race
east-northeastward into the overnight and pose mainly a damaging
wind threat.
The severe thunderstorm watch area is approximately along and 55
statute miles east and west of a line from 35 miles north northwest
of Richmond VA to 20 miles east southeast of Goldsboro NC. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
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 17...WW 18...WW 19...
AVIATION...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 450. Mean storm motion vector
23045.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW0
WW 20 SEVERE TSTM NC VA 120425Z - 121000Z
AXIS..55 STATUTE MILES EAST AND WEST OF LINE..
35NNW RIC/RICHMOND VA/ - 20ESE GSB/GOLDSBORO NC/
..AVIATION COORDS.. 50NM E/W /30NNW RIC - 60N ILM/
HAIL SURFACE AND ALOFT..0.5 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 450. MEAN STORM MOTION VECTOR 23045.
LAT...LON 37957655 35337666 35337862 37957856
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU0.
Watch 20 Status Report Messages:
STATUS REPORT #1 ON WW 20
VALID 120535Z - 120640Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 49
..NAUSLAR..01/12/20
ATTN...WFO...AKQ...RAH...MHX...
&&
STATUS REPORT FOR WS 20
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC015-029-041-065-073-079-083-091-101-117-127-131-139-143-147-
163-185-191-195-120640-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
BERTIE CAMDEN CHOWAN
EDGECOMBE GATES GREENE
HALIFAX HERTFORD JOHNSTON
MARTIN NASH NORTHAMPTON
PASQUOTANK PERQUIMANS PITT
SAMPSON WARREN WAYNE
WILSON
$$
VAC007-025-033-036-041-049-053-057-065-075-081-085-087-093-095-
097-101-109-111-117-127-135-145-147-149-175-181-183-550-570-595-
620-670-730-760-800-830-120640-
VA
. VIRGINIA COUNTIES INCLUDED ARE
AMELIA BRUNSWICK CAROLINE
CHARLES CITY CHESTERFIELD CUMBERLAND
DINWIDDIE ESSEX FLUVANNA
GOOCHLAND GREENSVILLE HANOVER
HENRICO ISLE OF WIGHT JAMES CITY
KING AND QUEEN KING WILLIAM LOUISA
LUNENBURG MECKLENBURG NEW KENT
NOTTOWAY POWHATAN PRINCE EDWARD
PRINCE GEORGE SOUTHAMPTON SURRY
SUSSEX
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
CHESAPEAKE COLONIAL HEIGHTS EMPORIA
FRANKLIN HOPEWELL PETERSBURG
RICHMOND SUFFOLK WILLIAMSBURG
$$
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 (5%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
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 (60%)
|
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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