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Jim Martin

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Everything posted by Jim Martin

  1. Slight risk has been expanded further into northern and western Ohio.
  2. Picked up 2.21" of rain here in downtown last night and this morning. Radar estimates are in the three to four inch range since last night in portions of Putnam and Hancock County here in Northwest Ohio.
  3. Risk for severe weather on Thursday for the lower Great Lakes. Looking like large hail is the primary hazard, along with damaging wind.
  4. 0z 3km NAM solution different than the 18z. Depicts a more extensive squall line by tomorrow evening.
  5. SPC has introduced a marginal risk for the lower Great Lakes with possible upgrade to slight risk on the 06z outlook overnight tonight.
  6. Plenty hot this evening in #NWOhioWx. Toledo in the middle 90s currently.
  7. Expecting the storms to get into #NWOhioWx late tomorrow night, and into the overnight.
  8. Everything but the kitchen sink tonight from the KC Missouri weather radar.
  9. Wind Chill temperatures nearing zero by tomorrow morning across much of northern Ohio.
  10. Looking like an active severe weather day possible for Tuesday. The Storm Prediction Center mentioning a fairly good risk for discrete supercells.
  11. Latest tidbit from SPC on the afternoon Day 2 Outlook... CONCERNING THE SEVERE POTENTIAL, A CORRIDOR OF MODERATE INSTABILITY IS FORECAST TO DEVELOP BY AFTERNOON FROM EASTERN MISSISSIPPI INTO MUCH OF ALABAMA. NAM FORECAST SOUNDINGS AT 21Z IN EASTERN MISSISSIPPI AND NEAR BIRMINGHAM SHOW MLCAPE VALUES REACHING THE 2000 TO 2500 J/KG RANGE. IN ADDITION, THE MID-LEVEL JET WILL CREATE STRONG DEEP-LAYER SHEAR PROFILES ACROSS MOST OF THE REGION. FORECAST SOUNDINGS ACROSS THE SLIGHT RISK AREA BY LATE AFTERNOON SHOW 0-6 KM SHEAR GENERALLY IN THE 60 TO 65 KT RANGE. THIS ENVIRONMENT WILL SUPPORT SEVERE THUNDERSTORM DEVELOPMENT FROM THE MID AFTERNOON THROUGH MUCH OF THE EVENING. THE SHEAR SHOULD BE FAVORABLE FOR SUPERCELL FORMATION ESPECIALLY FROM MIDDLE TENNESSEE SOUTHWARD INTO NORTH-CENTRAL ALABAMA WHERE HAILSTONES OF GREATER THAN 2 INCHES IN DIAMETER, WIND DAMAGE AND A TORNADO THREAT WILL BE POSSIBLE. A STRONG TORNADO MAY OCCUR WITH ANY SUPERCELL THAT CAN BECOME DOMINANT. THE POTENTIAL FOR VERY LARGE HAIL IS ALSO FORECAST SOUTHEASTWARD INTO PARTS OF WESTERN GEORGIA WHERE VIGOROUS CONVECTIVE DEVELOPMENT MAY TAKE PLACE DURING THE EARLY EVENING. THE WIND DAMAGE THREAT MAY INCREASE BY EARLY EVENING ESPECIALLY IF A MESOSCALE CONVECTIVE SYSTEM CAN ORGANIZE.
  12. Surprised none of you in here have mentioned the risk for severe weather on Monday...
  13. From last night in Southeast Arkansas... 0221 300 PINE BLUFF JEFFERSON AR 3423 9200 MAXIMUM HAIL SIZE MEASURED WAS 3.50 INCHES. (LZK)
  14. 20 years ago next month was the famous Nashville, Tennessee tornado that was captured by WSMV Channel 4 and NewsChannel 5 as it moved through.
  15. The 18z GFS went absolutely berzerk in Northern Ohio for next weekend. Though some of the precipitation on this run is mixed.
  16. From the Storm Prediction Center... ...Day 6/Tue - Southern/Central Plains... Guidance has become more consistent in ejecting a stronger shortwave impulse across the southern Rockies and into the Plains on Tuesday. Rich boundary layer moisture will have had enough time to surge northward ahead of this feature while a lee low deepens over the northern/central Plains. Confidence in an organized severe threat developing in the vicinity of a dryline across parts of central KS into western/central OK and perhaps the eastern TX Panhandle into north TX has increased enough to introduce 15% probabilities. The severe threat may extend further north into the mid-MO Valley ahead of the eastward progressing surface cyclone, but confidence in quality moisture that far north is low at this time.
  17. Few cells trying to develop east of Interstate 35 this hour.
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