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andyhb

Meteorologist
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Everything posted by andyhb

  1. andyhb
    As of right now, this looks like an outbreak over potentially a large expanse of real estate, with both strong tornadoes and a derecho possible. I’m amazed at how strong the LLJ is across many models right now.
  2. andyhb
    Agreed, it looks like another potentially widespread and significant severe weather episode with very strong flow overlapping high moisture. Tuesday could have some potential too.
  3. andyhb
    This is hands down one of the best tornado videos I have ever seen. Hopefully a long format one is to follow.
  4. andyhb
    Washburn IL, Streator IL, and Kouts IN tornadoes all preliminarily rated EF3.
  5. andyhb
    Huge wedge tornado reported NE of Kouts per Isaac Polanski.
  6. andyhb
    Tornado down heading for Schaumburg @SchaumburgStormer!
  7. andyhb
    That is a major tornado in the middle of the Lake County burbs, that is not going to be good.
  8. andyhb
    Giant tornado near Streator IL per Colin Davis. Environment near those two supercells in central IL is extreme, STP of 10, SCP of 40, 3000+ MLCAPE and 500+ ESRH.
  9. andyhb
    Violent tornado in progress near Metamora IL, amazing low reflectivity debris ball.
  10. andyhb
    Developing Edina MO cell looks like a candidate for a long-lived supercell. Got that kidney bean shape.
  11. andyhb
    Via Clint Hendricks. Apparently became a large stovepipe and then a cone after this.
  12. andyhb
    Very reliable report here.
  13. andyhb
    Tornado in progress near Lucerne MO, TDS, report from Colin Davis.
  14. andyhb
    Central/southern part of the Chicago metro is getting rocked. Seeing a lot of 80-90 mph outbound bins from KLOT not too far off the deck.
  15. andyhb
    The 3 km NAM has a 100 kt 500 mb max tomorrow in IA, I cannot recall very many systems at all with that in June @RCNYILWX.
  16. andyhb
    Parameter space near/south of that warm front in the backed surface winds tomorrow is alarming for any semi-discrete storms that can maintain themselves in the area. While there certainly are some caveats such as storm mode, degree of HP dominance given less than ideal venting flow and high PWATs, and prior convection, the high population and potential for relatively fast moving storms makes this likely the most dangerous setup so far this year on paper.
  17. andyhb
    That is quite a potent shortwave on the 12z Euro for Thursday with a 90+ kt 500 mb max, especially for June. Morning convection will rule the roost as usual, but I would expect a pretty widespread and potentially significant severe event given the magnitude of the flow overlapping strong instability.
  18. andyhb
    PDS tornado watch out for the area surrounding the MS/OH River confluence. 80/80 tornado probabilities.
  19. andyhb
    Probably worth pointing out that the 12z HRRR has a) a lot of morning convection and b) what is likely a significant tornado outbreak later across E MO and W IL. The outflow restricts some of the spatial extent of the threat, but recovery occurs quickly given the strength of the wind fields.
  20. andyhb
    Very strong wording in the latest D3 for Monday, got the feeling this ends up as a D2 MDT.
  21. andyhb
    00z model guidance in so far certainly does nothing to quell concerns for Monday. Could be a widespread outbreak based on just about everything I'm seeing, and the trough/EML looks to favor discrete convection for a pretty lengthy window. Going to need a dedicated thread for this soon.
  22. andyhb
    Potential for a large scale severe weather event from the Lakes southward into the Mid South appears to be increasing for Monday (4/27, go figure) based on recent model guidance. EML looks potent across a large area with plenty of moisture, a favorable trough ejection (as of now), and strong shear across a large expanse of real estate.
  23. andyhb
    I'm not so certain there won't be a few supercells further south into N IL, although things may be a bit more mixed out down there so the tornado threat is less. Haven't looked much into the QLCS threat yet, but I'd imagine with strong shear and strong instability that it is certainly elevated. Oh and the 18z NAM is not just bordering on a tornado outbreak in WI, it is one.
  24. andyhb
    18z HRRR and 12z MPAS variants are bordering on a tornado outbreak in WI tomorrow. The former would be a huge problem for the I-94 corridor.
  25. andyhb
    Tornado just went right through the middle of Clinton MO. Using this thread since it's the same system.
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