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1/25-1/27 Clipper-Miller B Obs/Nowcasting


WxUSAF

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I've been complaining about the Euro and saying it can be a real pos too

it's living on old times when the gfs and other models were much worse

and I, like most humans living on the surface of this planet, do not care about 500mb scores, rather about the weather on this earth

As I'm sure you've read in my excessive 17k posts on amwx, I rarely bash the gfs. Heck, i loved the old gfs because I understood it. It pissed me off with the big Feb storm last year but it's quite useful regardless.

The euro is amp happy at times but tough to bet against when it doesn't jump around like other guidance. The last 2 days and tomorrow are gonna be bad ones for euro huggers.

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As I'm sure you've read in my excessive 17k posts on amwx, I rarely bash the gfs. Heck, i loved the old gfs because I understood it. It pissed me off with the big Feb storm last year but it's quite useful regardless.

The euro is amp happy at times but tough to bet against when it doesn't jump around like other guidance. The last 2 days and tomorrow are gonna be bad ones for euro huggers.

 

yes...we have to wait for verification, but at this point we know the euro was too far west.  Count me among the euro huggers when it comes to coastals...I gave the GFS no consideration...maybe xbox is better

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yes...we have to wait for verification, but at this point we know the euro was too far west. Count me among the euro huggers when it comes to coastals...I gave the GFS no consideration...maybe xbox is better

It probably just dangled a carrot...lol

If anything, it's just a reminder to blend all guidance and think big picture. No model is even close to perfect. The trend today was obvious Even with the euro. It was still big but still east.

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I may start just blending Euro/GFS forecasts twice a day for a number of cities and test it against all the fancy methods and short range models and stuff. Perhaps a little water vapor loop for good measure.

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It is a pretty storm though it seems a bit off the way it looks -- almost like it wants to be double barreled or something. maybe just random as it comes together.

 

tgif8N4.gif

0Z GFS spit out .33" for BOS from 7PM-1AM

http://wxweb.meteostar.com/sample/sample.shtml?text=KBOS

 

as of midnight, .10" has fallen

http://w1.weather.gov/data/obhistory/KBOS.html

 

crazy models are for kids!

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Up to a little over 1 inch here.  HRRR says there will be some more light snow around 6 am, with some support from the GFS / RGEM.

 

GFS did well on this storm.  The idea of going with the Euro and NAM when they agree did not.

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:lmao:

URGENT - WINTER WEATHER MESSAGENATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC1221 AM EST TUE JAN 27 2015DCZ001-MDZ013-014-016>018-VAZ052>057-271330-/O.CON.KLWX.WW.Y.0007.000000T0000Z-150127T1500Z/DISTRICT OF COLUMBIA-PRINCE GEORGES-ANNE ARUNDEL-CHARLES-ST. MARYS-CALVERT-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA-KING GEORGE-INCLUDING THE CITIES OF...WASHINGTON...ANNAPOLIS...WALDORF...ST MARYS CITY...MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA...FALLS CHURCH...FREDERICKSBURG1221 AM EST TUE JAN 27 2015...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THISMORNING...* PRECIPITATION TYPE...SNOW.* ACCUMULATIONS...1 TO 3 INCHES. LOCALLY 3 TO 5 INCHES IN EASTERN  LOUDOUN AND FAIRFAX COUNTIES.
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URGENT - WINTER WEATHER MESSAGE

NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC

1221 AM EST TUE JAN 27 2015

MDZ004>006-011-503>508-VAZ505-506-271330-

/O.CON.KLWX.WW.Y.0007.000000T0000Z-150127T1500Z/

FREDERICK MD-CARROLL-NORTHERN BALTIMORE-SOUTHERN BALTIMORE-

NORTHWEST MONTGOMERY-CENTRAL AND SOUTHEASTERN MONTGOMERY-

NORTHWEST HOWARD-CENTRAL AND SOUTHEAST HOWARD-NORTHWEST HARFORD-

SOUTHEAST HARFORD-WESTERN LOUDOUN-EASTERN LOUDOUN-

INCLUDING THE CITIES OF...FREDERICK...WESTMINSTER...PARKTON...

REISTERSTOWN...COCKEYSVILLE...BALTIMORE...DUNDALK...CATONSVILLE...

GERMANTOWN...DAMASCUS...ROCKVILLE...LISBON...COLUMBIA...

ELLICOTT CITY...JARRETTSVILLE...ABERDEEN...PURCELLVILLE...

LEESBURG...ASHBURN

1221 AM EST TUE JAN 27 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS

MORNING...

* PRECIPITATION TYPE...SNOW...LOCALLY HEAVY AT TIMES.

* ACCUMULATIONS...3 TO 5 INCHES.

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It's snowing again! I just looked out and its STILL coming down. There is this north south stripe of blue/green that is pummeling the east part of Prince William County! I have over an inch now! Reflectivities are HIGH from the lawns! I can't believe this! I am still getting snow, right when I thought it was all over! WOOOT! WOOOT! I love this storm with all my heart. It just does not want to stop

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:lmao:

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1221 AM EST TUE JAN 27 2015

DCZ001-MDZ013-014-016>018-VAZ052>057-271330-
/O.CON.KLWX.WW.Y.0007.000000T0000Z-150127T1500Z/
DISTRICT OF COLUMBIA-PRINCE GEORGES-ANNE ARUNDEL-CHARLES-
ST. MARYS-CALVERT-PRINCE WILLIAM/MANASSAS/MANASSAS PARK-FAIRFAX-
ARLINGTON/FALLS CHURCH/ALEXANDRIA-STAFFORD-SPOTSYLVANIA-
KING GEORGE-
INCLUDING THE CITIES OF...WASHINGTON...ANNAPOLIS...WALDORF...
ST MARYS CITY...MANASSAS...MANASSAS PARK...FAIRFAX...ALEXANDRIA...
FALLS CHURCH...FREDERICKSBURG
1221 AM EST TUE JAN 27 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* PRECIPITATION TYPE...SNOW.

* ACCUMULATIONS...1 TO 3 INCHES. LOCALLY 3 TO 5 INCHES IN EASTERN
  LOUDOUN AND FAIRFAX COUNTIES.

Are they expecting more wrap around? Western Fairfax and Loudoun looks done.

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It is hard to measure because of the phases and drifting

 

2pm - 0.3" of garbage which melted

7pm - 0.4" sn/sleet in heavy band which then flash froze into a rock

12:30 - 0.6" of sweepable powder...

 

Hard to get a storm total just from sticking a ruler in the ground.  I have 6"+ drifts...which are wimpy, but it is damn windy out...

 

ETA - I swept at 12:30 so I can get a decent measurement next time I go out

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