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3/12 Event: Winters Last Hurrah at Least East of Mountains


Weather Will
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11 minutes ago, Weather Will said:

Refresh my memory, how reliable is HRRR outside a few hours?

In the past it had a tendency to be wildly inconsistent beyond 12 hours.  The last 2 years I've noticed its been much better...or at least no worse than the other high resolution guidance in that regard.  

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...WIND ADVISORY IN EFFECT FROM 6 AM SATURDAY TO 1 AM EST
SUNDAY...

* WHAT...NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS UP TO 55 MPH.

* WHERE...PORTIONS OF NORTHERN AND CENTRAL MARYLAND, NORTHERN
VIRGINIA, AND THE DISTRICT OF COLUMBIA INCLUDING THE DC AND
BALTIMORE METRO AREAS.

* WHEN...FROM 6 AM SATURDAY TO 1 AM EST SUNDAY.

* IMPACTS...GUSTY WINDS COULD BLOW AROUND UNSECURED OBJECTS. TREE
LIMBS COULD BE BLOWN DOWN. SEVERAL POWER OUTAGES MAY RESULT.

* ADDITIONAL DETAILS...A FEW GUSTS TO AROUND 60 MPH ARE POSSIBLE.
STRONG WINDS MAY PERSIST INTO EARLY SUNDAY MORNING.

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1 minute ago, TSSN+ said:

...WIND ADVISORY IN EFFECT FROM 6 AM SATURDAY TO 1 AM EST
SUNDAY...

* WHAT...NORTHWEST WINDS 25 TO 35 MPH WITH GUSTS UP TO 55 MPH.

* WHERE...PORTIONS OF NORTHERN AND CENTRAL MARYLAND, NORTHERN
VIRGINIA, AND THE DISTRICT OF COLUMBIA INCLUDING THE DC AND
BALTIMORE METRO AREAS.

* WHEN...FROM 6 AM SATURDAY TO 1 AM EST SUNDAY.

* IMPACTS...GUSTY WINDS COULD BLOW AROUND UNSECURED OBJECTS. TREE
LIMBS COULD BE BLOWN DOWN. SEVERAL POWER OUTAGES MAY RESULT.

* ADDITIONAL DETAILS...A FEW GUSTS TO AROUND 60 MPH ARE POSSIBLE.
STRONG WINDS MAY PERSIST INTO EARLY SUNDAY MORNING.

Close, but duration is unlikely to qualify ...

Blizzard Warning criteria: Issued for frequent gusts greater than or equal to 35 mph accompanied by falling and/or blowing snow, frequently reducing visibility to less than 1/4 mile for three hours or more

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3 minutes ago, Warm Nose said:

Close, but duration is unlikely to qualify ...

Blizzard Warning criteria: Issued for frequent gusts greater than or equal to 35 mph accompanied by falling and/or blowing snow, frequently reducing visibility to less than 1/4 mile for three hours or more

8 to 11 is 3 hours, but I get what you are saying.  Don't think we'll quite make it.

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