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October 29th Obs/Nowcasting


WxUSAF

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When heading northwest from D.C. towards Germantown (on the west side of I-270), the District's "heat island" ends just north of Gaithersburg and just south of Germantown. At night, there's an abrupt and very noticeable temperature drop as one crests a hill in the Seneca Creek area of Clopper Road. There is no recovery in temperature beyond that point.

I lived in Germantown (Red Robin Terrace, just off Great Seneca Highway) from '95 to '03 and saw way more snow than those down-county. My best friend, a lifelong resident of the District just recently moved to Germantown; I told him: "welcome to snow country!" It sure didn't take long, ha-ha!

Love the play-by-plays here of weather back in my old stomping grounds. Thank you all.

You might recognize the view from my pics, then... I live about 1/10 of a mi. away from there on the other side of the tracks.

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Looks like one last hurrah band wrapping around. 35dbz around lwx.

This was a really fun day! I hope we have more opportunities like this later on. Best case scenario for a Nina. 4 weeks from now this would have been 6-12+ pretty much everywhere except maybe st mary's and the eastern shore.

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Really excellent pic. Nice composition.

thx.. not bad for phone. took some others with regular cam -- will try to get to some but im starting to become delirious from lack of sleep.

everything has pretty much melted here tho there was definitely more snow on the hilltop.

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Ian, zwyts....looks like you tie a daily snowfall record!

[/size][size="3"]CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
543 PM EDT SAT OCT 29 2011


...................................

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 29 2011...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2011


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
               VALUE   (LST)  VALUE   	VALUE  FROM      YEAR
                                                 NORMAL
..................................................................
TEMPERATURE (F)
TODAY
 MAXIMUM     	42    313 AM  82    1918  64    -22   	58
 MINIMUM     	34    359 PM  30    1976  46    -12   	47
                                     1965
                                     1904
 AVERAGE     	38                        55    -17   	53

PRECIPITATION (IN)
 TODAY            1.15          2.69 1885   0.11   1.04 	0.00
 MONTH TO DATE    3.88                      3.17   0.71 	3.40
 SINCE SEP 1 	12.72                      6.89   5.83 	9.42
 SINCE JAN 1 	40.02                 	33.29   6.73    30.78

SNOWFALL (IN)
 TODAY            T   R     	T    1925   0.0    0.0
 MONTH TO DATE    T                     	0.0    0.0
 SINCE JUL 1      T                     	0.0    0.0
 SNOW DEPTH   	0
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