Source: US National Oceanic and Atmospheric Administration
Note: The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.Note: Click for Watch Status Reports.
SEL4
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 254
NWS Storm Prediction Center Norman OK
505 PM EDT Thu May 15 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
North-Central/Northeast North Carolina
Central and Eastern Virginia
Far Eastern West Virginia
Coastal Waters
* Effective this Thursday afternoon from 505 PM until Midnight
EDT.
* Primary threats include…
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY…Thunderstorm coverage is expected to increase over the
next few hours. Environmental conditions across the region favor a
cellular mode, including the potential for supercells capable of
large to very large hail. Some damaging gusts are possible as well.
The severe thunderstorm watch area is approximately along and 90
statute miles east and west of a line from 55 miles north of
Lynchburg VA to 40 miles south southwest of Roanoke Rapids NC. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU4).
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 251…WW 252…WW 253…
AVIATION…A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
29030.
…Mosier
SEL4
URGENT – IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 254
NWS Storm Prediction Center Norman OK
505 PM EDT Thu May 15 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
North-Central/Northeast North Carolina
Central and Eastern Virginia
Far Eastern West Virginia
Coastal Waters
* Effective this Thursday afternoon from 505 PM until Midnight
EDT.
* Primary threats include…
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY…Thunderstorm coverage is expected to increase over the
next few hours. Environmental conditions across the region favor a
cellular mode, including the potential for supercells capable of
large to very large hail. Some damaging gusts are possible as well.
The severe thunderstorm watch area is approximately along and 90
statute miles east and west of a line from 55 miles north of
Lynchburg VA to 40 miles south southwest of Roanoke Rapids NC. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU4).
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 251…WW 252…WW 253…
AVIATION…A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
29030.
…Mosier
Note: The Aviation Watch (SAW) product is an approximation to the watch area. The actual watch is depicted by the shaded areas.
SAW4
WW 254 SEVERE TSTM NC VA WV CW 152105Z – 160400Z
AXIS..90 STATUTE MILES EAST AND WEST OF LINE..
55N LYH/LYNCHBURG VA/ – 40SSW RZZ/ROANOKE RAPIDS NC/
..AVIATION COORDS.. 80NM E/W /53N LYH – 39E RDU/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 29030.
LAT…LON 38117754 35897637 35897958 38118086
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 254 Status Report Message has not been issued yet.
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 ( 65 knots
Low (20%)
Hail
Probability of 10 or more severe hail events
Mod (40%)
Probability of 1 or more hailstones > 2 inches
Mod (40%)
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.