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arlwx

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  1. arlwx

    July Discobs 2019

    Finally back to a computer. Almost got flooded out in an underpass on a 395 SB ramp, but somehow I swam the car through in the wake of an SUV. Going where it went. I got to the Harris Teeters in Shirlington, parked, went up to the fourth floor- and saw Four Mile Run over its banks and maybe 5-7 feet below a triple tree near that intersection. USGS was registering it at 8460 cubic feet a second, higher than anything in the last 120 days by far. Gage height 15.06. Accumulated precipitation almost 3 inches. Cameron Run got to 13200 cubic feet a second, 15.61 feet (any fish on the Beltway?). DCA appears to have reported 3.35 inches.
  2. arlwx

    May Discobs 2019

    In contrast, at 5 am DCA measured 0.75 incles. The Four Mile Run precipitation gauge indicated about 0.95 inches.
  3. arlwx

    April Discobs 2019

    Chance of s*** this week, chance of thunder the next... (snip) .NEAR TERM /THROUGH TONIGHT/... High clouds are abundant at present, but low levels remain dry, and temps have dropped into the 20s and 30s. There should be some veiled sun this morning, but clouds will thicken this afternoon as low pressure developing over the Carolina coast moves northeastward. Expect rain to begin overspreading central VA around midday and reach the metro late this afternoon, near or during rush hour. The back edge looks like it will be near or just west of the Blue Ridge, and the higher elevations there will likely be just cold enough to see some snow, with a coating possible along Skyline Drive and the Blue Ridge Parkway. Elsewhere, just a chilly rain, mostly light, with amounts generally less than a third of an inch. Highs today will be mostly in the 40s and low 50s. (snip) .LONG TERM /FRIDAY THROUGH MONDAY/... Warm air advection precip will spread north across the area Thu night and continue through Fri as shortwave-trough over the OH Valley moves east. Mid-upper level ridge then builds over the East early next week leading to a significant warming trend. Then models show falling heights over eastern North America as broad trough develops. The GFS is faster than the Euro in eroding the mid- upper level ridge, but this eventually leads to a stormy unsettled wx pattern with frequent opportunities for showers and even t- storms. Will add a chance of thunder for Mon and Tue. (snip)
  4. The latest (and hopefully last for the season, ha.ha.) LWX forecast mention of s***: (snip) .NEAR TERM /THROUGH TONIGHT/... High clouds are abundant at present, but low levels remain dry, and temps have dropped into the 20s and 30s. There should be some veiled sun this morning, but clouds will thicken this afternoon as low pressure developing over the Carolina coast moves northeastward. Expect rain to begin overspreading central VA around midday and reach the metro late this afternoon, near or during rush hour. The back edge looks like it will be near or just west of the Blue Ridge, and the higher elevations there will likely be just cold enough to see some snow, with a coating possible along Skyline Drive and the Blue Ridge Parkway. Elsewhere, just a chilly rain, mostly light, with amounts generally less than a third of an inch. Highs today will be mostly in the 40s and low 50s. (snip)
  5. arlwx

    March 3-4, 2019 Snow Discussion and Obs

    Summary: 3-7 inches north and west, maybe 8 for the far north and west. Close in to DC, maybe 1-3 inches.
  6. arlwx

    March 3-4, 2019 Snow Discussion and Obs

    LWX has updated their WSWs and WWAs.
  7. arlwx

    2/19-20 Winter Storm Observations

    I would not have believed you until I checked for near DCA: Freezing rain and sleet. High near 33. East wind around 8 mph. Chance of precipitation is 100%. Total daytime ice accumulation of less than a 0.1 of an inch possible. Total daytime sleet accumulation of 2 to 4 inches possible. Was LWX trying to invoke St. Patrick's Day 2017? Or had they run out of water at Sterling and had to resort to stronger stuff? ((I'm joking, but there was a situation when a (NON NWS) conference staff suite ran out of cola on Sunday morning....)) I'm hoping this was just some ham-handed mistake by whatever tired intern dragged up from his sleeping bag got told to update.
  8. arlwx

    2/19-20 Winter Storm Observations

    Don't leave home just yet if you don't have to. WTOP just noted nine crashes and two unresolved situations in its two-minute traffic report. I'm sure there are more out there.
  9. arlwx

    2/19-20 Winter Storm Observations

    About half the flights at DCA are still cancelled. But a few are actually departing now (in contrast to WTOP's claim).
  10. arlwx

    2/19-20 Winter Storm Observations

    I'm pretty sure my result (2 miles west of DCA) was about 2.5 inches before the s**** and f***** **** knocked down the totals on the hedges.
  11. arlwx

    2/19-20 Winter Storm Observations

    I think they are all hoping (as I am) that the overnight blowtorch will take care of it, if the DOTbergmakers haven't. But as usual, tune into your favorite newspeddlers at 4 am again.
  12. arlwx

    2/19-20 Winter Storm Observations

    It's finally gotten to 32 and IP at DCA. It's beating down my accumulations. I want R*** to wash away the other stuff so I don't have to play with it tomorrow.
  13. arlwx

    2/19-20 Winter Storm Observations

    WTOP just had reports of mixing in Warrenton, Spotsy and Stafford.
  14. arlwx

    2/19-20 Winter Storm Observations

    I'm eyeballing about 2 to 2.5 inches on the hedges in South Arlington. About to get ready to officially measure.
  15. arlwx

    2/19-20 Winter Storm Observations

    WSTOP just had someone on from DDOT claiming they would start plowing.
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