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high risk

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Everything posted by high risk

  1. high risk
    That watch box comes further east than I expected
  2. high risk
    Definitely no more of the large region-wide area of rain that we had this morning, but some places are still going to get quite wet early this afternoon. There is some good agreement in the guidance for several areas of steadier showers, and the radar is starting to fill in a bit over northern VA.
  3. high risk
    Maybe? The GFS dries things out quickly, but most of the regional models stay wet until much later in the afternoon. But yeah, either way it won't be a good afternoon for outside stuff.
  4. high risk
    After looking at the evening guidance, I still have little confidence in a Saturday forecast, although the trend for those of us east of the Potomac seems to be wetter.
  5. high risk
    That's a very bullish forecast. It certainly seems like the best chances of heavy weekend rain are in the western and southwestern parts of the area, but depending on model of choice, heavy rain is far from a lock even there:
  6. high risk
    Right, but northern stream events here early in the season often struggle with instability, as it's tough to get good low-level moisture north at this time of year without some help.
  7. high risk
    Not only were there a couple of confirmed tornadoes in Garrett County Saturday, but the SPC storm reports list effectively shows a regional mini-outbreak. Quite remarkable for an event without a watch box.
  8. high risk
    models are very emphatic that the warm air is going to be confined to areas well south and west of DC. The trends in the HREF to eliminate the SVR risk in the DC area are quite clear: 12Z yesterday: 00Z today:
  9. high risk
    The HRRR was really the only model that ever went all in on this scenario, but it really backed off yesterday evening.
  10. high risk
    I think there is some clear potential for higher end events like that in the LWX CWA, but it's going to be limited to the extreme southern part of their area unless the models start moving the warm sector back further north
  11. high risk
    The afternoon NAM Nest and HRRR both suggest that SVR potential Thursday will be confined to south of a line from CHO to NYG. LWX basically agrees in their afternoon discussion.
  12. high risk
    I thought that the 12Z CAMs took a step back in the threat for tomorrow, with most showing much cooler temps locally, at least partially driven by early morning rain/clouds.
  13. high risk
    The 12Z NAM Nest now looks very much like that Euro run and has an explicit forecast of organized convection here Thursday in a fairly good environment.
  14. high risk
    That would favor severe for sure, but the problem is that the ECMWF for now is alone in depicting southerly winds over the Mid-Atlantic.
  15. high risk
    The HRRR has been fairly consistent in bringing storms through the OKC Metro during that period; the question is whether they will be discrete or some sort of QLCS thing. There are UH tracks in the HRRR output associated with those storms, but they're overall not super impressive. That suggests that despite the excellent parameter space, the mode may not be favorable for a high-end threat. It of course bears close watching, however.
  16. high risk
    I've actually been encouraged by how many thunder events I've already had this year. We've had some years in which I haven't heard thunder by May 1. Ultimately, our peak severe season here is roughly May 10 - June 20. There is the occasional cold core April hail event or some strongly forced early-season wind/tor event in some years, but the norm is to not really get cranking here until after the first week of May.
  17. high risk
    No doubt, but the problem is that the CAMs seem in pretty good agreement that the timing is just really bad for us. Those storms won't approach the PA/MD border until just after dark at the earliest, and temps will be cooling fast. For the record, it's complete bullsh*t that central PA gets a legit early season threat before we do.
  18. high risk
    You might get it in 15 minutes with this line rolling through now.... But yeah, the models really backed off leading up to the event.
  19. high risk
    Hard not to be interested with a red box now up for areas just to the southwest, and the latest guidance showing a surge of instability ahead of the line segment. Overall, the CAMs show a weakening trend, and the hodographs aren't all that impressive, but I'll definitely be watching for a while longer.
  20. high risk
    The environment certainly does look a bit more favorable later tonight than it had been, but I'm not seeing any decent UH tracks in any of the CAMs.
  21. high risk
    You have a VERY generous definition of "central".
  22. high risk
    definitely the best solution, but somewhat on its own. Our best hope for SVR is focus in the early evening, as the potential for something if we have to wait later in the night is still fairly low, IMHO, despite some good wind fields
  23. high risk
    No surprise that the tornado watch is for areas well south of DC.
  24. high risk
    While I'm modestly interested in Wednesday for areas south of DC, I'm actually intrigued a bit more (at least for those of us from DC to north) for Thursday. Cold temps aloft will allow for some surface-based instability to be present, and with very low freezing levels, I think that some hail/graupel is likely with the stronger cells. Downdraft CAPE is also present, meaning that some stronger gusts are possible too. All of the CAMs have a good convective signal. Maybe it won't quite require a MRGL, but it sure looks like an interesting afternoon.
  25. high risk
    The surface warm front is the leading edge of that warmer air head trying to return to the north.
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