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DC/MD/VA/WV General Obs/Disc: mid-July - end of August


Ellinwood

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Wild storm mid afternoon here in Pikesville. Long lasting heavy thunderstorm with lots of flooding. Visiting my folks here and don't trust their rain gauge but it recorded almost 5" during the storm. It was in an open area so no dripping off roof etc. I would estimate half of that, perhaps 2". Anyone isn NW Baltimore with a good rain gauge?

I'm about 30 miles NW of Baltimore and got 1.25"

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:lmao:

http://www.spc.noaa..../md/md1788.html

mcd1788.gif

CONCERNING...SEVERE POTENTIAL...WATCH UNLIKELY VALID 292217Z - 292345Z LINE OF STORMS MAY POSE AN ISOLATED DAMAGING WIND/SMALL HAIL THREAT ACROSS THE NORTHERN PORTIONS OF WV/MD/VA/DE TO SOUTHERN NJ THIS EVENING. CURRENT THINKING IS THAT THE MARGINAL/ISOLATED NATURE OF THE THREAT WILL PROBABLY PRECLUDE A WATCH ISSUANCE. A BROKEN LINE OF STORMS ONGOING WITHIN A WSW-ENE CORRIDOR ACROSS EXTREME SOUTHERN PA IS EXPECTED TO CONTINUE TO SLOWLY SPREAD SOUTHEASTWARD INTO NORTHERN PORTIONS OF WV/MD/VA/DE AND SOUTHERN NJ THIS EVENING. THE BOUNDARY LAYER TO THE IMMEDIATE SOUTH OF THESE STORMS REMAINS VERY HOT/MODESTLY MOIST...WITH STEEP LOW LEVEL LAPSE RATES/RELATIVELY HIGH TEMP-DEWPOINT SPREADS CONDUCIVE FOR DOWNBURSTS ON THE SOUTHERN FRINGE ON STRONGER FORCING FOR ASCENT/WESTERLIES ALOFT. FACTORS SUCH AS LOSS OF DIABATIC HEATING OVER THE NEXT FEW HOURS...COMBINED WITH THE CONVECTIVE LINE BEING ORIENTED PARALLEL TO THE MEAN FLOW...ARE SUGGESTIVE OF NOTHING MORE THAN AN ISOLATED DAMAGING WIND/SMALL HAIL THREAT.

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RUC shows the line dissipating within a few hours... doesn't get too far past the state line.

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Clusters of showers and perhaps some heavier rains sliding W to E along I 68 and US 50 corridor in Western MD./Northern WVA. Will they drop any rain here before sunrise in LoCo?

As it is not wet here checked the archived radar. Wow MD really does have a rain dome or some kind of shield over it. What looked impressive heading our way early this morning promptly got eaten faster than Cookie Monster takes down a plate of cookies.

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As it is not wet here checked the archived radar. Wow MD really does have a rain dome or some kind of shield over it. What looked impressive heading our way early this morning promptly got eaten faster than Cookie Monster takes down a plate of cookies.

Downsloping with drier air present over the region will do that to precipitation.

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