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Round Hill WX

August OBS/DISCO

625 posts in this topic

53 minutes ago, Kmlwx said:

I hope big heat doesn't return...unless it brings severe storms. 

I was kinda excited a week or 2 ago when consensus agreed that the back was breaking on the h5 pattern that brought the heat earlier this month. No signs of that returning for the next 1-2 weeks and beyond (hopefully). We'll still get hot sticky days of course but long stretches of no relief aren't showing up on anything. 

Looks like another unusually strong summer cold front is on tap later this week. That could produce something. Worst case is no storms but another 2-3 day stretch of low humidity. Looks like a win either way. 

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34 minutes ago, mattie g said:

It's always so much noticeably warmer in DC than it is at home - particularly on mornings like these - which serves to enhance the stale piss smell along 7th Street and around the Verizon Center.

Nothing like the smell of fermenting urine on a warm summer morning. Last time I rode through DC on my bike all I could smell was skunks going down the street. Which is weird because I didn't know DC had a skunk problem. Maybe it was something else....

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Ok my observations on the storm that hit my location. At 2:09pm only a few minutes after the storm began I experienced the winds pick up and pea sized hail. 0.97" of rain fell in a 15-20 min. period. I then started hearing reports from friends about power poles and wires down just to my north along Ballenger Creek Pike. More photos of damage started showing up on FB. The photos I am posting are not mine but show the wind damage. 

 

 

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The slow moving cell over DC right now is causing an extended rain delay at the Citi Open tennis tournament. (Players ranked 7-11 in the world are all here on the men's side-- this is the best field so far at this tournament .) The last match last night ended at around 1:30 am, and this delay sets up another late night ahead. 

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Flash Flood Statement
National Weather Service Baltimore MD/Washington DC
745 PM EDT TUE AUG 1 2017

DCC001-MDC031-033-020215-
/O.CON.KLWX.FF.W.0031.000000T0000Z-170802T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
District of Columbia DC-Montgomery MD-Prince Georges MD-
745 PM EDT TUE AUG 1 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT FOR
THE NORTHEASTERN DISTRICT OF COLUMBIA...SOUTHEASTERN MONTGOMERY AND
NORTHERN PRINCE GEORGES COUNTIES...

At 744 PM EDT, Doppler radar indicated thunderstorms had produced
heavy up to three inches of rain. Broadbranch Road is closed between
27th Street and Grant Road due to high water in Northwest Washington
DC.

Some locations that will experience flooding include...
Bowie, College Park, Greenbelt, Langley Park, Beltsville,
Forestville, Largo, Bladensburg, University of Maryland, Fedex Field,
Howard University, Gallaudet University, Fort Totten, Fairland,
Landover, Hyattsville, White Oak, Takoma Park, East Riverdale and
Adelphi.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.

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1 hour ago, WxWatcher007 said:

Am I missing something? I see no wind or hail in this severe warned storm.

Nickel sized hail was reported in Montgomery County...

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
707 PM EDT TUE AUG 01 2017

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

0550 PM     TSTM WND DMG     2 SE CHEVY CHASE VILLAG 38.95N  77.06W
08/01/2017                   DISTRICT OF COLUMB DC   911 CALL CENTER

            LARGE BRANCHES DOWN ON 2900 BLOCK OF DAVENPORT STREET
            NW

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23 minutes ago, yoda said:

Nickel sized hail was reported in Montgomery County...

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
707 PM EDT TUE AUG 01 2017

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

0550 PM     TSTM WND DMG     2 SE CHEVY CHASE VILLAG 38.95N  77.06W
08/01/2017                   DISTRICT OF COLUMB DC   911 CALL CENTER

            LARGE BRANCHES DOWN ON 2900 BLOCK OF DAVENPORT STREET
            NW

Thanks. I guess that'll do it. Not sure how I keep missing out on hail.

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12 hours ago, dailylurker said:

Pretty good surprise rainer going on here too. I wasn't expecting any storms today. 

I took in 0.40" total.

Small storm parked near us (per radar). Drove home from PG in pleasant wx til about the Pax river. Then reasonably good rain. Over and done in time to walk the dog.

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21 hours ago, Bob Chill said:

Nothing like the smell of fermenting urine on a warm summer morning. Last time I rode through DC on my bike all I could smell was skunks going down the street. Which is weird because I didn't know DC had a skunk problem. Maybe it was something else....

Skunk problem only arose in the last couple years, from what I can tell. Seems that recent ordnance allowing skunks to be raised as in-home pets has meant that people have felt compelled to let them roam as outdoor skunks. Does help cover the odor of stale excrement, so I guess that's not a bad thing.

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