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About batmanbrad

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    Gaithersburg, Md. (20879)

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  1. looks like a little bit of training cell stuff setting up WSW to ENE heading in the general direction of MoCo, not sure if it will maintain itself, but if it fills in/enhances, the flood threat could develop.
  2. yeah sitting here near Laytonsville wondering what the storms near Poolesville heading for the Germantown area are going to do when they intersect those outflow boundaries nearby.
  3. Looks like that southward-moving outflow boundary generated by the earlier storms north o f I-70 has or is about to reach me here in the area between Gaithersburg/Montgomery Village and Laytonsville, per COD radar loop. Wondering like others whether the approaching storm line from the west will have a chance to interact with it.
  4. Yes, Andy "Woody!" Woodcock, he was a trip. I occasionally go to other WFO's to check out their AFD's - some can get very wordy/technical, I especially remember the Taunton (now Boston/Norton) office when there would be a coastal storm in winter or a tropical system in summer, the discussion was a bit like "War and Peace"!
  5. According to https://www.allacronyms.com/ARI/weather_forecast ARI stands for Accelerated Research Institute
  6. WPC just placed a tiny bullseye of moderate risk for excessive rainfall right over the DC metro area: ...Ohio Valley, Central Appalachians, Mid-Atlantic 1930 UTC Update -- Per collaboration with WFO LWX, have hoisted a Moderate Risk area over parts of the Balt-Wash area for more widespread convection later tonight and into tomorrow morning (early portion of the Day 2 ERO period). There continues to be a multi-model heavy rainfall signal, especially from the CAMs, though the 18Z HRRR has broken a bit from the consensus by now showing the max QPF footprint a little farther south into Southern MD and the Northern Neck of VA. Will continue to keep an eye on observational and mesoanalysis trends this evening; for now have aligned the Moderate Risk area up with the general multi-model consensus, which also incorporates the more elevated 1 and 3 hour QPF exceedance probabilities per the 12Z HREF.
  7. fairly heavy rain and occasional lightning/thunder here in Gaithersburg (east side, just west of Laytonsville). Definitely looks like some of this recent development here in mid county could be due to interactions with some of those outflow boundaries that dropped south from the earlier storms near Frederick/I-70.
  8. I'm up here near Laytonsville and I can hear rumbles of thunder - distant/faint, but I hear them nonetheless. Don't see anything close on radar, can those actually be from that cell downcounty? Seems like a rather large distance between it and me.
  9. cell near Potomac/Rockville has 1.5" hail tag per RadarScope
  10. we now have slight risk for both severe wx and flash flooding for tomorrow (the latter per WPC): ...Southern Tier of New York State into the Mid-Atlantic... A slight risk area was added for potential of training convection in a north to south direction along and to the east of the well defined stationary front expected to lie north-south from central New York State, south into central Pennsylvania, central Maryland into northern Virginia. PW values in the vicinity of this front will be in the 1.5 to 2+ standard deviation above the mean range, with hi res model consensus for convection to enhance and potentially train from north to south from Wednesday afternoon into Wednesday evening across these areas. The slight risk area was drawn to best fit the high HREF neighborhood probabilities for 1 and 2"+ amounts in the 1200 UTC Wednesday to 0000 UTC Thursday period, 40-90 and 30-80% respectively. The slight risk was extended a bit farther south of the highest 12 hour probabilities to cover the urban areas from Baltimore to DC.
  11. the SPC day 1 outlook scheduled to be released at 12:30PM is delayed (by 1/2 hour so far), wonder if that means they are waiting on more model data.
  12. Radarscope indicates a TVS signature on that LaPlata cell...
  13. the flood watches recently posted for several counties in MD and VA do indicate that the overnight heavy rain potential should be taken more seriously than the severe wx possibilities...
  14. sheesh, I don't know this even qualifies for a "pity meso": https://www.spc.noaa.gov/products/md/md1091.html
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