Illinois Storm Chasers - Bringing Our Best, During Mother Natures Worst!
  • Home
  • Weather Information
  • Services
  • Resources
    • Illinois NWS Offices
    • Illinois News Media
    • Learning Resources
    • Illinois Severe Weather Info
    • Illinois Winter Weather Info
    • Weather Alerts Service
    • Storm Chasing Info
  • About
  • Contact
  • Store

Wed-Thurs, July 14-15th Severe T'Storm Episode Update #2

7/13/2021

0 Comments

 
(9:45PM - 7/13/21) Multiple disturbances are expected to move through the region Wednesday and Thursday, bringing periods of severe t'storm potential to portions of the state Wednesday afternoon through Thursday night.

Summary...
Multiple disturbances will eject out of the Plains, and push eastward across the Midwest and Mid-Mississippi Valley on Wednesday and Thursday. These disturbances will bring periods of severe t'storm potential to portions of the state, Wednesday afternoon through Thursday night. Little to no change was needed with this update, as going forecasts are on track.
​Forecast...
Wednesday Afternoon - Wednesday Night, July 14th...
A lead wave and associated weakening complex of rain and t'storms that originates in the Plains tonight will move into Minnesota and Wisconsin Wednesday morning. Regeneration and new development of areas of rain and t'storms associated with this wave is then expected to occur during Wednesday afternoon across portions of Minnesota, Iowa and Wisconsin. This activity, in the form of a few clusters, is then expected to push eastward and across portions of Northern Illinois, Wednesday afternoon through Wednesday night. This environment will feature moderate instability of 2,000-4,000J/KG, dew points in the mid 60's to mid 70's, good shear, good forcing, and  modest lapse rates of 5.5-7.5C. This environment will be supportive of upwards of a an isolated to widely scattered severe t'storm risk (levels 1-2) across Northern Illinois. Damaging winds and hail will be the severe weather threats, though an isolated tornado can't be ruled out.

Thursday Morning - Thursday Night, July 15th...
Areas of showers and t'storms will likely be ongoing across portions Northern Illinois Thursday morning. Regeneration and new development is then expected to occur during Thursday afternoon across portions of Iowa, Missouri and Northern/Central Illinois. This activity is then expected to push eastward and across a large portion of Northern and Central Illinois, Thursday afternoon through Thursday night. This environment will feature moderate instability of 2,000-4,000J/KG, dew points in the mid 60's to mid 70's, good shear, good forcing, and  poor lapse rates of 5.0-6.0C. This environment will be supportive of upwards of a an isolated severe t'storm risk (level 1) across Northern Illinois. Damaging winds and hail will be the severe weather threats, though an isolated tornado can't be ruled out.

​Below are the severe t'storm forecasts for this event.
Picture
Picture
JP
0 Comments



Leave a Reply.

    Archives

    March 2023
    February 2023
    January 2023
    December 2022
    November 2022
    October 2022
    September 2022
    August 2022
    July 2022
    June 2022
    May 2022
    April 2022
    March 2022
    February 2022
    January 2022
    December 2021
    November 2021
    October 2021
    September 2021
    August 2021
    July 2021
    June 2021
    May 2021
    April 2021
    March 2021
    February 2021
    January 2021
    December 2020
    November 2020
    October 2020
    September 2020
    August 2020
    July 2020
    June 2020
    May 2020
    April 2020
    March 2020
    February 2020
    January 2020
    December 2019
    November 2019
    October 2019
    September 2019
    August 2019
    July 2019
    June 2019
    May 2019
    April 2019
    March 2019
    February 2019
    January 2019
    December 2018
    November 2018
    August 2018
    July 2018

    categories

    All
    Central Illinois
    Forecasts
    General
    Northern Illinois
    Recaps
    Southern Illinois

    RSS Feed

Contact Us
staff@illinoisstormchasers.com
© 2015-2023 Illinois Storm Chasers, LLC (ISC)
Add us on social media!
  • Home
  • Weather Information
  • Services
  • Resources
    • Illinois NWS Offices
    • Illinois News Media
    • Learning Resources
    • Illinois Severe Weather Info
    • Illinois Winter Weather Info
    • Weather Alerts Service
    • Storm Chasing Info
  • About
  • Contact
  • Store