Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 219
NWS Storm Prediction Center Norman OK
300 PM EDT Thu May 23 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast Maryland
Eastern Virginia
Coastal Waters
* Effective this Thursday afternoon and evening from 300 PM until
800 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...Thunderstorms over northern Virginia will spread eastward
across the watch area this afternoon and early evening, posing a
risk of locally damaging wind gusts.
The severe thunderstorm watch area is approximately along and 35
statute miles north and south of a line from 100 miles west of
Patuxent River MD to 25 miles east of Wallops VA. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).
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 218...
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
29030.
...Hart
SEL9
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 219
NWS Storm Prediction Center Norman OK
300 PM EDT Thu May 23 2019
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast Maryland
Eastern Virginia
Coastal Waters
* Effective this Thursday afternoon and evening from 300 PM until
800 PM EDT.
* Primary threats include...
Scattered damaging wind gusts to 70 mph possible
Scattered large hail events to 1.5 inches in diameter possible
SUMMARY...Thunderstorms over northern Virginia will spread eastward
across the watch area this afternoon and early evening, posing a
risk of locally damaging wind gusts.
The severe thunderstorm watch area is approximately along and 35
statute miles north and south of a line from 100 miles west of
Patuxent River MD to 25 miles east of Wallops VA. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU9).
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 218...
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
29030.
...Hart
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW9
WW 219 SEVERE TSTM MD VA CW 231900Z - 240000Z
AXIS..35 STATUTE MILES NORTH AND SOUTH OF LINE..
100W NHK/PATUXENT RIVER MD/ - 25E WAL/WALLOPS VA/
..AVIATION COORDS.. 30NM N/S /29SW CSN - 35SE SBY/
HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 29030.
LAT...LON 38777826 38437501 37417501 37757826
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU9.
Watch 219 Status Report Messages:
STATUS REPORT #2 ON WW 219
VALID 232155Z - 232240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 30 WNW RIC
TO 10 ESE NHK TO 25 NNW SBY.
..SQUITIERI..05/23/19
ATTN...WFO...AKQ...
&&
STATUS REPORT FOR WS 219
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC019-039-045-047-232240-
MD
. MARYLAND COUNTIES INCLUDED ARE
DORCHESTER SOMERSET WICOMICO
WORCESTER
$$
VAC001-073-097-103-115-119-131-133-232240-
VA
. VIRGINIA COUNTIES INCLUDED ARE
ACCOMACK GLOUCESTER KING AND QUEEN
LANCASTER MATHEWS MIDDLESEX
NORTHAMPTON NORTHUMBERLAND
$$
ANZ630-631-635-650-652-654-232240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHESAPEAKE BAY FROM SMITH POINT TO WINDMILL POINT VA
CHESAPEAKE BAY FROM WINDMILL POINT TO NEW POINT COMFORT VA
RAPPAHANNOCK RIVER FROM URBANNA TO WINDMILL POINT
COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA OUT 20
NM
COASTAL WATERS FROM CHINCOTEAGUE TO PARRAMORE ISLAND VA OUT 20 NM
COASTAL WATERS FROM PARRAMORE ISLAND TO CAPE CHARLES LIGHT VA OUT
20 NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 219
VALID 232020Z - 232140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 755
..MOSIER..05/23/19
ATTN...WFO...AKQ...
&&
STATUS REPORT FOR WS 219
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
MDC019-039-045-047-232140-
MD
. MARYLAND COUNTIES INCLUDED ARE
DORCHESTER SOMERSET WICOMICO
WORCESTER
$$
VAC001-033-057-073-085-097-101-103-109-115-119-131-133-159-193-
232140-
VA
. VIRGINIA COUNTIES INCLUDED ARE
ACCOMACK CAROLINE ESSEX
GLOUCESTER HANOVER KING AND QUEEN
KING WILLIAM LANCASTER LOUISA
MATHEWS MIDDLESEX NORTHAMPTON
NORTHUMBERLAND RICHMOND WESTMORELAND
$$
ANZ630-631-635-650-652-654-232140-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
CHESAPEAKE BAY FROM SMITH POINT TO WINDMILL POINT VA
CHESAPEAKE BAY FROM WINDMILL POINT TO NEW POINT COMFORT VA
RAPPAHANNOCK RIVER FROM URBANNA TO WINDMILL POINT
COASTAL WATERS FROM FENWICK ISLAND DE TO CHINCOTEAGUE VA OUT 20
NM
COASTAL WATERS FROM CHINCOTEAGUE TO PARRAMORE ISLAND VA OUT 20 NM
COASTAL WATERS FROM PARRAMORE ISLAND TO CAPE CHARLES LIGHT VA OUT
20 NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
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 (40%)
|
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.
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