Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 483
NWS Storm Prediction Center Norman OK
420 PM EDT Sat Jun 29 2024
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Western Maryland
Northern Virginia
Northern and Central West Virginia
* Effective this Saturday afternoon and evening from 420 PM until
1000 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Isolated large hail events to 1 inch in diameter possible
A tornado or two possible
SUMMARY...Scattered damaging winds up to 55-70 mph may occur as
thunderstorms spread eastward this afternoon and evening.
The severe thunderstorm watch area is approximately along and 30
statute miles north and south of a line from 80 miles west of Elkins
WV to 20 miles east of Martinsburg WV. For a complete depiction of
the watch see the associated watch outline update (WOUS64 KWNS
WOU3).
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 482...
AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
cumulonimbi with maximum tops to 500. Mean storm motion vector
27035.
...Gleason
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 483 SEVERE TSTM MD VA WV 292020Z - 300200Z
AXIS..30 STATUTE MILES NORTH AND SOUTH OF LINE..
80W EKN/ELKINS WV/ - 20E MRB/MARTINSBURG WV/
..AVIATION COORDS.. 25NM N/S /34ENE HNN - 30WSW EMI/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 27035.
LAT...LON 39308133 39837761 38977761 38438133
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 483 Status Report Messages:
STATUS REPORT #5 ON WW 483
VALID 300125Z - 300200Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 45 NNE SHD
TO 15 NW MRB TO 5 SE HGR.
WW 483 WILL BE ALLOWED TO EXPIRE AT 300200Z.
..GRAMS..06/30/24
ATTN...WFO...LWX...RLX...PBZ...
&&
STATUS REPORT FOR WS 483
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC001-023-043-300200-
MD
. MARYLAND COUNTIES INCLUDED ARE
ALLEGANY GARRETT WASHINGTON
$$
VAC043-069-171-187-840-300200-
VA
. VIRGINIA COUNTIES INCLUDED ARE
CLARKE FREDERICK SHENANDOAH
WARREN
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
WINCHESTER
$$
WVC001-003-007-013-017-021-023-027-031-033-035-037-041-057-065-
071-077-083-085-087-091-093-097-101-105-300200-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BARBOUR BERKELEY BRAXTON
CALHOUN DODDRIDGE GILMER
GRANT HAMPSHIRE HARDY
HARRISON JACKSON JEFFERSON
LEWIS MINERAL MORGAN
PENDLETON PRESTON RANDOLPH
RITCHIE ROANE TAYLOR
TUCKER UPSHUR WEBSTER
WIRT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #4 ON WW 483
VALID 300040Z - 300140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1482
..WEINMAN..06/30/24
ATTN...WFO...LWX...RLX...PBZ...
&&
STATUS REPORT FOR WS 483
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC001-023-043-300140-
MD
. MARYLAND COUNTIES INCLUDED ARE
ALLEGANY GARRETT WASHINGTON
$$
VAC043-069-171-187-840-300140-
VA
. VIRGINIA COUNTIES INCLUDED ARE
CLARKE FREDERICK SHENANDOAH
WARREN
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
WINCHESTER
$$
WVC001-003-007-013-017-021-023-027-031-033-035-037-041-057-065-
071-077-083-085-087-091-093-097-101-105-300140-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BARBOUR BERKELEY BRAXTON
CALHOUN DODDRIDGE GILMER
GRANT HAMPSHIRE HARDY
HARRISON JACKSON JEFFERSON
LEWIS MINERAL MORGAN
PENDLETON PRESTON RANDOLPH
RITCHIE ROANE TAYLOR
TUCKER UPSHUR WEBSTER
WIRT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #3 ON WW 483
VALID 292345Z - 300040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 1482
..WEINMAN..06/29/24
ATTN...WFO...LWX...RLX...PBZ...
&&
STATUS REPORT FOR WS 483
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC001-023-043-300040-
MD
. MARYLAND COUNTIES INCLUDED ARE
ALLEGANY GARRETT WASHINGTON
$$
VAC043-069-171-187-840-300040-
VA
. VIRGINIA COUNTIES INCLUDED ARE
CLARKE FREDERICK SHENANDOAH
WARREN
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
WINCHESTER
$$
WVC001-003-007-013-017-021-023-027-031-033-035-037-041-057-065-
071-077-083-085-087-091-093-097-101-105-300040-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BARBOUR BERKELEY BRAXTON
CALHOUN DODDRIDGE GILMER
GRANT HAMPSHIRE HARDY
HARRISON JACKSON JEFFERSON
LEWIS MINERAL MORGAN
PENDLETON PRESTON RANDOLPH
RITCHIE ROANE TAYLOR
TUCKER UPSHUR WEBSTER
WIRT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 483
VALID 292245Z - 292340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..WEINMAN..06/29/24
ATTN...WFO...LWX...RLX...PBZ...
&&
STATUS REPORT FOR WS 483
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC001-023-043-292340-
MD
. MARYLAND COUNTIES INCLUDED ARE
ALLEGANY GARRETT WASHINGTON
$$
VAC043-069-171-187-840-292340-
VA
. VIRGINIA COUNTIES INCLUDED ARE
CLARKE FREDERICK SHENANDOAH
WARREN
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
WINCHESTER
$$
WVC001-003-007-013-017-021-023-027-031-033-035-037-041-057-065-
071-077-083-085-087-091-093-097-101-105-292340-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BARBOUR BERKELEY BRAXTON
CALHOUN DODDRIDGE GILMER
GRANT HAMPSHIRE HARDY
HARRISON JACKSON JEFFERSON
LEWIS MINERAL MORGAN
PENDLETON PRESTON RANDOLPH
RITCHIE ROANE TAYLOR
TUCKER UPSHUR WEBSTER
WIRT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 483
VALID 292145Z - 292240Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..WEINMAN..06/29/24
ATTN...WFO...LWX...RLX...PBZ...
&&
STATUS REPORT FOR WS 483
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC001-023-043-292240-
MD
. MARYLAND COUNTIES INCLUDED ARE
ALLEGANY GARRETT WASHINGTON
$$
VAC043-069-171-187-840-292240-
VA
. VIRGINIA COUNTIES INCLUDED ARE
CLARKE FREDERICK SHENANDOAH
WARREN
VIRGINIA INDEPENDENT CITIES INCLUDED ARE
WINCHESTER
$$
WVC001-003-007-013-017-021-023-027-031-033-035-037-041-057-065-
071-077-083-085-087-091-093-097-101-105-292240-
WV
. WEST VIRGINIA COUNTIES INCLUDED ARE
BARBOUR BERKELEY BRAXTON
CALHOUN DODDRIDGE GILMER
GRANT HAMPSHIRE HARDY
HARRISON JACKSON JEFFERSON
LEWIS MINERAL MORGAN
PENDLETON PRESTON RANDOLPH
RITCHIE ROANE TAYLOR
TUCKER UPSHUR WEBSTER
WIRT
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (50%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Low (20%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (10%)
|
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.