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.
SEL8
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 58
NWS Storm Prediction Center Norman OK
200 PM EDT Sat Mar 27 2021
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Parts of northern and central North Carolina
Parts of extreme southern Virginia
* Effective this Saturday afternoon and evening from 200 PM until
800 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1.5 inches in diameter possible
SUMMARY...A cluster of storms crossing the Appalachians will likely
maintain organization while it moves eastward near and just south of
the Virginia/North Carolina border. The storm environment favors a
threat of damaging winds and large hail through the afternoon and
into this evening.
The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 80 miles west of
Greensboro NC to 40 miles east of Raleigh NC. 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.
&&
AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27030.
...Thompson
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW8
WW 58 SEVERE TSTM NC VA 271800Z - 280000Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
80W GSO/GREENSBORO NC/ - 40E RDU/RALEIGH NC/
..AVIATION COORDS.. 40NM N/S /43ESE HMV - 35E RDU/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27030.
LAT...LON 36748136 36507807 35217807 35438136
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU8.
Watch 58 Status Report Messages:
STATUS REPORT #4 ON WW 58
VALID 272235Z - 272340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 WSW SOP TO
5 S RDU TO 25 NW RWI TO 10 N RZZ.
..KARSTENS..03/27/21
ATTN...WFO...RAH...GSP...RNK...
&&
STATUS REPORT FOR WS 58
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC065-083-085-101-105-125-127-183-191-195-272340-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
EDGECOMBE HALIFAX HARNETT
JOHNSTON LEE MOORE
NASH WAKE WAYNE
WILSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 58
VALID 272155Z - 272240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KARSTENS..03/27/21
ATTN...WFO...RAH...GSP...RNK...
&&
STATUS REPORT FOR WS 58
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC037-063-065-069-077-083-085-101-105-123-125-127-167-181-183-
185-191-195-272240-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
CHATHAM DURHAM EDGECOMBE
FRANKLIN GRANVILLE HALIFAX
HARNETT JOHNSTON LEE
MONTGOMERY MOORE NASH
STANLY VANCE WAKE
WARREN WAYNE WILSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 58
VALID 272055Z - 272140Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 20 NE CLT TO
25 WSW GSO TO 10 E GSO TO 10 SE DAN TO 30 ENE DAN.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 283
..LYONS..03/27/21
ATTN...WFO...RAH...GSP...RNK...
&&
STATUS REPORT FOR WS 58
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC001-025-037-057-063-065-069-077-083-085-101-105-123-125-127-
135-145-151-159-167-181-183-185-191-195-272140-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALAMANCE CABARRUS CHATHAM
DAVIDSON DURHAM EDGECOMBE
FRANKLIN GRANVILLE HALIFAX
HARNETT JOHNSTON LEE
MONTGOMERY MOORE NASH
ORANGE PERSON RANDOLPH
ROWAN STANLY VANCE
WAKE WARREN WAYNE
WILSON
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 58
VALID 271940Z - 272040Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 5 S HKY TO
35 NE HKY TO 45 S PSK TO 25 S PSK TO 15 SE PSK.
..LYONS..03/27/21
ATTN...WFO...RAH...GSP...RNK...
&&
STATUS REPORT FOR WS 58
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC001-025-033-037-057-059-063-065-067-069-077-081-083-085-097-
101-105-109-123-125-127-135-145-151-157-159-167-169-171-181-183-
185-191-195-197-272040-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ALAMANCE CABARRUS CASWELL
CHATHAM DAVIDSON DAVIE
DURHAM EDGECOMBE FORSYTH
FRANKLIN GRANVILLE GUILFORD
HALIFAX HARNETT IREDELL
JOHNSTON LEE LINCOLN
MONTGOMERY MOORE NASH
ORANGE PERSON RANDOLPH
ROCKINGHAM ROWAN STANLY
STOKES SURRY VANCE
WAKE WARREN WAYNE
WILSON YADKIN
$$
VAC063-067-083-089-141-143-590-690-272040-
VA
. VIRGINIA COUNTIES INCLUDED ARE
FLOYD FRANKLIN HALIFAX
HENRY PATRICK PITTSYLVANIA
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
DANVILLE MARTINSVILLE
$$
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.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (10%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (<2%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (40%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (20%)
|
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.