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ILSNOW

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Everything posted by ILSNOW

  1. technically our week of winter occurred in the fall.
  2. looking forward to our 7 days o winter in early Feb!!!!
  3. It is quite obvious to me that the 15z RAP is the only current model with a hand on this clipper (kidding good luck to those further south of Chicago)
  4. 18z Euro is drier and more in line with other models.
  5. Chicago NWS Attention then turns toward the next storm system due to arrive in our region this weekend. Ensemble model guidance remains in agreement that an upper-level wave currently halfway between the states of Hawaii and Washington will come ashore and propagate eastward across the contiguous US on Friday and into the Mississippi River Valley on Saturday. As the wave approaches, it may attempt to phase with subtle preceding shortwaves emanating from the remnants of the subtropical jet along the US/Mexico border and a polar wave dropping south out of Canada. The degree of interaction with any of these waves will ultimately influence the eventual evolution of the storm system, which is leading to the usual spread of ensemble outcomes typical for a system 4 days out. Generally speaking, the expectation is for a region of warm- air advection snow to develop across the region early Saturday morning and then to transition to "cold conveyer belt" frontogenesis-driven snow Saturday into Saturday night. Depending on the exact evolution and strength of the system, a warm nose may surge into parts of the area leading to a transition from snow to rain at some point on Saturday. Regardless, the ensemble signal, particularly among the EPS suite, remains strong for our general region to experience impactful snow on Saturday.
  6. Question BIG IF this storm materializes and the Chicagoland area goes under a winterstorm warning (BIG IF) will this be the 1st time that we have been under 2 warnings before Dec?
  7. URGENT - IMMEDIATE BROADCAST REQUESTED Tornado Watch Number 508 NWS Storm Prediction Center Norman OK 450 PM CDT Fri Jul 11 2025 The NWS Storm Prediction Center has issued a * Tornado Watch for portions of Northern Illinois Southern Wisconsin * Effective this Friday afternoon and evening from 450 PM until 1100 PM CDT. * Primary threats include... A few tornadoes possible Scattered damaging winds likely with isolated significant gusts to 75 mph possible Isolated large hail events to 1.5 inches in diameter possible SUMMARY...A small but intense bow will move quickly eastward this evening while posing a threat for a few tornadoes and scattered to numerous severe/damaging winds. Peak gusts may reach up to 65-75 mph. Isolated large hail may also occur.
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