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high risk

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Everything posted by high risk

  1. high risk
    Worth noting that the model gust products (at least for the American models, not sure about Euro) are showing a gust potential, not necessarily what will mix down. If there is high wind speed in the PBL, and it's ever so slightly unstable at the surface, it will mix a chunk of that momentum to the ground. I'm unconvinced that we'd mix efficiently in the tropical air mass, but I guess we'll see.
  2. high risk
    I'm not too concerned about winds, except for the EF-1 tornadoes on Friday.
  3. high risk
    I get what you're saying, with the seeming growing likelihood of the core synoptic rains shifting west, but there will be a multi-day period of very high PW values over the Mid-Atlantic with waves of scattered convection. There will absolutely be areas that get a ton of rain, and even some that will get a ton of rain before the "main day" on Friday.
  4. high risk
    Yeah, Friday will be a convective deluge in the warm sector. We'll see if the NAM is correct with the western track, although it does have the support of the Euro
  5. high risk
    While the many individual members take multiple different paths to get there, the ensemble means for precipitation through the end of next weekend are all very wet for our area, without the east-west gradient seen in some recent deterministic solutions.
  6. high risk
    Several CAMs have isolated moist blobs late Monday as well.
  7. high risk
    looks like perhaps an MRGL for Thursday
  8. high risk
    The signals there are encouraging for sure, and it's indicative of a chance of beneficial rains for a larger part of the area that's higher than we've seen in a while. The worry, though, is that these are the low-res models that aren't suited for capturing mesoscale details, and the CAMs show that despite what looks like a soaking for everyone in the global models, this will still be an event with winners and losers.
  9. high risk
    I wasn't paying attention to the location of that boundary at the time, but it's certainly possible in theory.
  10. high risk
    It's really getting its act together on the east side of DC, but that's far too late for those of us further west and northwest.
  11. high risk
    I'm pretty shocked by the lack of intensity and lack of lightning.
  12. high risk
    Absolutely. The HRRR is capturing the forcing and initiating convection, but because of the extreme issue with low-level drying, it can't possibly generate widespread, intense storms. This is the environment it has the storms moving into: With that low of a surface dew point, it can't possibly show impressive storms, but we all know that the actual dew point will be at least 5 degrees higher.
  13. high risk
    I understand questioning the watch, given the dry antecedent conditions, but I don’t understand the comment about most guidance giving us no rain. Toss the HRRR completely, because it’s doing its usual overmixing thing here and drops our dew points into the 50s this afternoon. The rest of the CAMs all have a heavy rain signal *somwhere* in the metro area and suggest a training scenario.
  14. high risk
    HRRR again reduces dew points into the upper 50s this afternoon. The fact that it's still able to generate a weak line in that environment certainly suggests that there will be forcing available to work with the "real" instability.
  15. high risk
    That midwest derecho won't make it here, but the CAM signal for widespread convection Wednesday in a fairly healthy environment is quite strong in this evening's runs. Would think we should wake up to a Day 2 SLGT in the morning.
  16. high risk
    This seems super unlucky. I got 0.35" from this evening's batch.
  17. high risk
    For sure. I think that western areas have the best chance of heavy Wednesday evening convection, and areas east have the best chance of the steadier Friday rain. That in-between zone along I-95 could get screwed on both (although we could “win” on either or both too).
  18. high risk
    Getting really concerned about trying to get meaningful rainfall this week. It’s still on the table, but it’s far from a sure thing, and lowering model QPF reflects that. It looks like 2 chances: 1) a line of convection on the front Wednesday evening which has potential for big localized totals, but will there be breaks in the line, and might it weaken if it arrives too late? 2) moisture moving from coastal areas back to the northwest Friday. The best rains will be east and southeast of us, but can we still get a modest soaking? Models now still have us within the “good” rain, but we’re getting dangerously close to the back edge, and any further shift east could really screw us. I wouldn’t want to be too far west of DC, as things currently look, for round 2.
  19. high risk
    Credit the CAMS which were hinting at a few showers developing along the front after dark. Heavy downpour in the Columbia/Ellicott City area.
  20. high risk
    They're dry, but I wouldn't say "suddenly". Things have been trending towards very limited coverage over all runs from the past couple of days. Still some small chance this evening, but I don't see how we generate storms tomorrow with lowering dew points and (light) north winds.
  21. high risk
    Several consecutive HRRR cycles show convection, focused mainly northwest of I-95 but with some possibility for those further east in central and northern MD, after dark.
  22. high risk
    MRGL for the 4th. There will be convection in the area later in the day, but shear is really meh. Still, with a hot, well-mixed boundary layer, a few stronger wind gusts can't be ruled out. What's interesting is that there is a a weak consensus for this being an event for DC and points south, but there are still a few CAM solutions that get points north of DC in on the action too.
  23. high risk
    Sign us up for tonight's GFS. Everyone in the forum scores, but Howard County gets drowned.
  24. high risk
    CAMs have swung back and again look decent for the I-95 corridor, BUT those solutions are contingent upon heating into the 90s. It does look like there is some clearing approaching, and I would expect us to rapidly torch if the sun emerges, but we'll see how this plays out.
  25. high risk
    I'm right on the edge and getting massively disappointed. It's worse, because the 00Z CAMs took a huge step in the wrong direction for tomorrow.
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