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1/3 Snow Squall Potential


NorthArlington101
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Absolutely insane in Gainesville. Pretty sure I saw two lightning strikes in the Regal parking lot. Came out of a movie and it was flurries, by the time we all came out of the bathroom it was instant stickage and wind. Seems to have stopped but a full coating everywhere 

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 SQUALL WARNING
NWS BALTIMORE MD/WASHINGTON DC
347 PM EST FRI JAN 3 2025

DCC001-MDC003-009-017-033-VAC059-510-032130-
/O.NEW.KLWX.SQ.W.0003.250103T2047Z-250103T2130Z/
347 PM EST FRI JAN 3 2025
District of Columbia County DC-Anne Arundel County MD-Calvert County
MD-Charles County MD-Prince Georges County MD-Fairfax County VA-City
of Alexandria County VA-

The National Weather Service in Sterling Virginia has issued a

* Snow Squall Warning for...
The southeastern District of Columbia...
South central Anne Arundel County in central Maryland...
Northwestern Calvert County in southern Maryland...
Southern Prince Georges County in central Maryland...
Northeastern Charles County in southern Maryland...
Southeastern Fairfax County in northern Virginia...
The southeastern City of Alexandria in northern Virginia...

* Until 430 PM EST.

* At 347 PM EST, a dangerous snow squall was located over Fort Hunt,
moving east at 35 mph.

HAZARD...Intense bursts of heavy snow. Gusty winds leading to
blowing snow and visibility rapidly falling to less than
one-quarter mile. Wind gusts up to 35 mph.

SOURCE...Radar indicated.

IMPACT...Dangerous and life-threatening travel conditions are
expected to develop rapidly in the warning area.

This includes Interstate 95 in Maryland between mile markers 1 and
13.

Locations impacted include...
Alexandria, Waldorf, Clinton, Fort Washington, Fort Hunt, Groveton,
Forestville, Huntington, Largo, Coral Hills, Fort Belvoir, National
Harbor, Upper Marlboro, Andrews Air Force Base, Camp Springs, Oxon
Hill, Hybla Valley, Walker Mill, Rosaryville, and Friendly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Reduce speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.

Consider avoiding or delaying travel until the snow squall passes
your location. If you must travel, use extra caution and allow extra
time. Rapid changes in visibility and slick road conditions may lead
to accidents.

There is no safe place on a highway when a snow squall hits.
Visibility and traction are immediately lost in whiteout conditions,
making it difficult or impossible to slow down and avoid stopped
vehicles. Delay travel or safely exit the highway before the snow
squall arrives.

LAT...LON 3868 7718 3877 7711 3883 7705 3889 7696
          3885 7662 3852 7673 3868 7718

SNOW SQUALL...RADAR INDICATED
SNOW SQUALL IMPACT...SIGNIFICANT
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Haven't experienced thundersnow in over a decade. Have NEVER experienced a "snow squall warning" living in NoVA in 30+ years. What an awesome friggin' event this afternoon!! Had 3 or 4 flashes of lightning AND big thunder! Now I can die a happy wx nerd.  :D  Here's my unfiltered album link with pics/video, from literally the last 15 minutes of this event...unbelieveable!

https://photos.app.goo.gl/FGi4LL6YxgTQFLDf6

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1 minute ago, mattie g said:

Slowing down now, but it was fattie heaven for a while after those chucks whitened everything up.

Bring me that second squall line out near Front Royal!

SNOW SQUALL WARNING
NWS BALTIMORE MD/WASHINGTON DC
352 PM EST FRI JAN 3 2025

VAC061-187-032115-
/O.CON.KLWX.SQ.W.0002.000000T0000Z-250103T2115Z/
352 PM EST FRI JAN 3 2025
Fauquier County-Warren County-

...A SNOW SQUALL WARNING REMAINS IN EFFECT UNTIL 415 PM EST FOR
NORTHEASTERN WARREN AND NORTHWESTERN FAUQUIER COUNTIES...

At 351 PM EST, a dangerous snow squall was located over Linden, or
near Front Royal, moving southeast at 30 mph.

HAZARD...Intense bursts of heavy snow. Gusty winds leading to
blowing snow and visibility rapidly falling to less than
one-quarter mile. Wind gusts up to 35 mph.

SOURCE...Radar indicated.

IMPACT...Dangerous and life-threatening travel conditions are
expected to develop rapidly in the warning area.

Locations impacted include...
Front Royal, The Plains, Linden, Delaplane, Marshall, Blue Mountain,
Howellsville, Broad Run, Markham, and Ashville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Reduce speed and turn on headlights! During snow squalls, the
visibility may suddenly drop to near zero in whiteout conditions.

If traveling on a highway, find the nearest exit or rest area and
park safely away from traffic. Allow snow squalls to pass before
attempting to resume travel.

There is no safe place on a highway when a snow squall hits.
Visibility and traction are immediately lost in whiteout conditions,
making it difficult or impossible to slow down and avoid stopped
vehicles. Delay travel or safely exit the highway before the snow
squall arrives.

LAT...LON 3892 7816 3899 7811 3886 7770 3885 7770
          3884 7772 3882 7771 3879 7773 3890 7809
          3892 7816

SNOW SQUALL...RADAR INDICATED
SNOW SQUALL IMPACT...SIGNIFICANT
 
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Official 0.1" at KIAD 

47 48 49 50
014
NWUS51 KLWX 032031
LSRLWX

Preliminary Local Storm Report
National Weather Service Baltimore MD/Washington DC
330 PM EST Fri Jan 03 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0300 PM     Snow             Dulles International Ai 38.98N  77.49W
01/03/2025  M0.1 inch        Loudoun            VA   Official NWS Obs


&&

Event Number LWX2500072
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1 minute ago, vastateofmind said:

Haven't experienced thundersnow in over a decade. Have NEVER experienced a "snow squall warning" living in NoVA in 30+ years. What an awesome friggin' event this afternoon!! Had 3 or 4 flashes of lightning AND big thunder! Now I can die a happy wx nerd.  :D  Here's my unfiltered album link with pics/video, from literally the last 15 minutes of this event...unbelieveable!

https://photos.app.goo.gl/FGi4LL6YxgTQFLDf6

The "Snow Squall Warning" product wasn't operational until 2018. Previously it would be handled by SWS or WWA under some conditions. 

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161
NWUS51 KLWX 032028
LSRLWX

Preliminary Local Storm Report
National Weather Service Baltimore MD/Washington DC
328 PM EST Fri Jan 03 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0328 PM     Snow             Vienna                  38.89N  77.29W
01/03/2025  M0.3 inch        Fairfax            VA   Co-Op Observer


&&

Event Number LWX2500071
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7 minutes ago, vastateofmind said:

Haven't experienced thundersnow in over a decade. Have NEVER experienced a "snow squall warning" living in NoVA in 30+ years. What an awesome friggin' event this afternoon!! Had 3 or 4 flashes of lightning AND big thunder! Now I can die a happy wx nerd.  :D  Here's my unfiltered album link with pics/video, from literally the last 15 minutes of this event...unbelieveable!

https://photos.app.goo.gl/FGi4LL6YxgTQFLDf6

Nice! Your good news ends up being mine half an hour later. I can see it coming...

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