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July Discobs 2019


George BM
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1 hour ago, yoda said:

WUSA9 has Westminster reaching 100 as the high temperature today... I think that's a lil high, no?

DCA 95

BWI 97

IAD 97?

I am pretty sure the Carroll County Airport runs high which is  probably where WUSA9 gets the reading.  Sensor needs to be cleaned and recalibrated.  I mentioned before that it tends to run as much as 5-7 degrees too high.  I recorded a high of 93 today.

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complete whiff yesterday as storms popped up along the outflow boundary, but overhead. severe storm formed a mile or so to my north into PA. was treated to long rumbles of thunder but not a drop of rain. oh well. 

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The CAMs- esp HRRR and 3k NAM- are focusing the convection along the bays and towards the beaches, and also in the higher terrain. Nothing much anywhere else. Makes sense given the lack of forcing/weak shear. I am sure I will see plenty of towers in the distance from my desert oasis(er, hell).

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Also issued a lil while ago...

Flood Watch
National Weather Service Baltimore MD/Washington DC
1202 PM EDT Wed Jul 31 2019

DCZ001-MDZ006-011-013-014-504-506>508-VAZ053-054-010000-
/O.NEW.KLWX.FF.A.0011.190731T1800Z-190801T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
District of Columbia-Northern Baltimore-Southern Baltimore-
Prince Georges-Anne Arundel-Central and Southeast Montgomery-
Central and Southeast Howard-Northwest Harford-Southeast Harford-
Fairfax-Arlington/Falls Church/Alexandria-
Including the cities of Washington, Reisterstown, Cockeysville,
Baltimore, Bowie, Suitland-Silver Hill, Clinton, College Park,
Greenbelt, Laurel, Camp Springs, Glen Burnie, Annapolis, Severn,
South Gate, Severna Park, Arnold, Odenton, Bethesda, Rockville,
Gaithersburg, Silver Spring, Columbia, Ellicott City,
Jarrettsville, Aberdeen, Reston, Herndon, Annandale, Centreville,
Chantilly, McLean, Franconia, Arlington, Alexandria,
and Falls Church
1202 PM EDT Wed Jul 31 2019

...FLASH FLOOD WATCH IN EFFECT UNTIL 8 PM EDT THIS EVENING...

The National Weather Service in Sterling Virginia has issued a

* Flash Flood Watch for portions of Maryland, The District of
  Columbia, and northern Virginia, including the following areas,
  in Maryland, Anne Arundel, Central and Southeast Howard, Central
  and Southeast Montgomery, Baltimore, Harford, and Prince Georges
  counties. The District of Columbia. In northern Virginia,
  Arlington/Falls Church/Alexandria and Fairfax.

* Until 8 PM EDT this evening

* Showers and thunderstorms capable of producing very heavy
  rainfall are expected across the area this afternoon and into
  the evening. This heavy rain may lead to localized total
  rainfall amounts of up to 3 inches. Much of this rain may fall
  in short periods of time in any given location, resulting in the
  risk for flash flooding.
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1 hour ago, yoda said:

Also issued a lil while ago...


Flood Watch
National Weather Service Baltimore MD/Washington DC
1202 PM EDT Wed Jul 31 2019

DCZ001-MDZ006-011-013-014-504-506>508-VAZ053-054-010000-
/O.NEW.KLWX.FF.A.0011.190731T1800Z-190801T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
District of Columbia-Northern Baltimore-Southern Baltimore-
Prince Georges-Anne Arundel-Central and Southeast Montgomery-
Central and Southeast Howard-Northwest Harford-Southeast Harford-
Fairfax-Arlington/Falls Church/Alexandria-
Including the cities of Washington, Reisterstown, Cockeysville,
Baltimore, Bowie, Suitland-Silver Hill, Clinton, College Park,
Greenbelt, Laurel, Camp Springs, Glen Burnie, Annapolis, Severn,
South Gate, Severna Park, Arnold, Odenton, Bethesda, Rockville,
Gaithersburg, Silver Spring, Columbia, Ellicott City,
Jarrettsville, Aberdeen, Reston, Herndon, Annandale, Centreville,
Chantilly, McLean, Franconia, Arlington, Alexandria,
and Falls Church
1202 PM EDT Wed Jul 31 2019

...FLASH FLOOD WATCH IN EFFECT UNTIL 8 PM EDT THIS EVENING...

The National Weather Service in Sterling Virginia has issued a

* Flash Flood Watch for portions of Maryland, The District of
  Columbia, and northern Virginia, including the following areas,
  in Maryland, Anne Arundel, Central and Southeast Howard, Central
  and Southeast Montgomery, Baltimore, Harford, and Prince Georges
  counties. The District of Columbia. In northern Virginia,
  Arlington/Falls Church/Alexandria and Fairfax.

* Until 8 PM EDT this evening

* Showers and thunderstorms capable of producing very heavy
  rainfall are expected across the area this afternoon and into
  the evening. This heavy rain may lead to localized total
  rainfall amounts of up to 3 inches. Much of this rain may fall
  in short periods of time in any given location, resulting in the
  risk for flash flooding.

Last time I was under a flash flood watch I ended up with about 0.2" of rain.

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