SchaumburgStormer Posted June 26, 2020 Share Posted June 26, 2020 8 minutes ago, BrandonC_TX said: Might that be rotation trying to form northeast of Rochelle? That area has a strange look on velocity at the moment. Link to comment Share on other sites More sharing options...
SchaumburgStormer Posted June 26, 2020 Share Posted June 26, 2020 Tornado warning near freeport Link to comment Share on other sites More sharing options...
Possum Posted June 26, 2020 Share Posted June 26, 2020 the rotation northeast of rochelle is headed directly towards me (well, in an hour at least). curious to see if it holds together or bows out like always. Link to comment Share on other sites More sharing options...
cyclone77 Posted June 26, 2020 Share Posted June 26, 2020 Had a brief period of 35-40mph wind gusts from the cell that passed just south a short while ago. If that did that, then I can imagine there's some pretty good wind potential underneath one of the severe ones. Link to comment Share on other sites More sharing options...
Indystorm Posted June 26, 2020 Share Posted June 26, 2020 Helicity is 300 to 400 m2/s2 in the area of DeKalb approaching higher levels near the lakeshore. LL lapse rates are very good just to the south of the area. Link to comment Share on other sites More sharing options...
SchaumburgStormer Posted June 26, 2020 Share Posted June 26, 2020 Broad rotation just went overhead here in sycamore. nothing exceptionally noteworthy but a nice wind punch followed Link to comment Share on other sites More sharing options...
Hoosier Posted June 26, 2020 Share Posted June 26, 2020 5 minutes ago, Indystorm said: Helicity is 300 to 400 m2/s2 in the area of DeKalb approaching higher levels near the lakeshore. LL lapse rates are very good just to the south of the area. Dews have mixed out a little around/south of I-80 where the better heating has occurred. But waning diurnal heating/approach of sunset may bring them back up in that zone. Link to comment Share on other sites More sharing options...
purduewx80 Posted June 26, 2020 Share Posted June 26, 2020 Link to comment Share on other sites More sharing options...
Chicago Storm Posted June 26, 2020 Share Posted June 26, 2020 Even with a great environment, it looks like SFC inversion as noted on 20z DKB sounding could limited wind potential north of I-88. Thermal OFB has pushed north of MDW now, and runs to ARR or so now. Link to comment Share on other sites More sharing options...
HillsdaleMIWeather Posted June 26, 2020 Share Posted June 26, 2020 Gonna be an interesting night downwind here, environment should keep everything alive and kicking Link to comment Share on other sites More sharing options...
Chinook Posted June 26, 2020 Share Posted June 26, 2020 This is west of Rockford and northeast of Davenport. I am not sure if these rotation area(s) are a tornado or not. Link to comment Share on other sites More sharing options...
cyclone77 Posted June 26, 2020 Share Posted June 26, 2020 40 minutes ago, cyclone77 said: In sort of a convective hot spot at the moment. Towering cumulus filling the sky, with a large thunderhead just about to move in from the southwest, and another nice one in the northeastern sky. Getting bursts of very large rain drops from passing showers underneath some of the updrafts. This whole area is likely to fill in and organize as it heads east and through the rest of IL as the eve goes on. That area eventually did grow/organize, and is now the severe storm cluster southeast of Sterling. Link to comment Share on other sites More sharing options...
snowlover2 Posted June 26, 2020 Author Share Posted June 26, 2020 New tornado warning just west of Rockford. Link to comment Share on other sites More sharing options...
IvyBelle Posted June 26, 2020 Share Posted June 26, 2020 Mesoscale Discussion 1013 < Previous MD Mesoscale Discussion 1013 NWS Storm Prediction Center Norman OK 0639 PM CDT Fri Jun 26 2020 Areas affected...Southwest Michigan...northern Indiana...and far northwest Ohio Concerning...Severe potential...Watch needed soon Valid 262339Z - 270045Z Probability of Watch Issuance...95 percent SUMMARY...A severe thunderstorm watch will be issued shortly across southwest Michigan, northern Indiana, and far northwest Ohio. DISCUSSION...Multiple clusters of storms across northern Illinois and southern Wisconsin have recently started to congeal across western Lake Michigan and northern Illinois. The severe-weather threat (especially damaging winds) is expected to increase as these clusters continue to organize. In addition, a tornado or two is possible, especially in far northern Indiana and southern Michigan where surface winds remain more backed near a warm front. However, relatively weak surface winds will be the primary limiting factor to a greater tornado threat. A severe thunderstorm watch will be issued by 00Z across this region. ..Bentley/Edwards.. 06/26/2020 ...Please see www.spc.noaa.gov for graphic product... ATTN...WFO...DTX...IWX...GRR...LOT... LAT...LON 43018705 43138616 42928461 42618389 41618405 41348469 41188591 41118670 41198695 41518727 42438723 43018705 Link to comment Share on other sites More sharing options...
A-L-E-K Posted June 27, 2020 Share Posted June 27, 2020 City fixing for a solid hit Lots of fireflies out with constant thunder 1 Link to comment Share on other sites More sharing options...
Castaway Posted June 27, 2020 Share Posted June 27, 2020 Shelf is moving in. A tad north though. Can see and hear the action from here. Some nice low hanging clouds with it. watching it from I 88 and 83 Link to comment Share on other sites More sharing options...
purduewx80 Posted June 27, 2020 Share Posted June 27, 2020 2 minutes ago, A-L-E-K said: City fixing for a solid hit Lots of fireflies out with constant thunder indeed. radar showing a quick 2-3" of rain incoming too. Link to comment Share on other sites More sharing options...
Chicago Storm Posted June 27, 2020 Share Posted June 27, 2020 Initial storm came through here with 50-55MPH winds, and isolated tree damage. Have had a few other bursts of 40mph+ winds with a few embedded cells from time to time. Also have been in a mini train, with 1.59" of rain in last 40mins and still coming down. 1 Link to comment Share on other sites More sharing options...
Chicago Storm Posted June 27, 2020 Share Posted June 27, 2020 ORD gusted to 53MPH. Link to comment Share on other sites More sharing options...
purduewx80 Posted June 27, 2020 Share Posted June 27, 2020 Just now, Chicago Storm said: ORD gusted to 53MPH. KORD 270011Z 31020G46KT 1SM R10L/2200VP6000FT +TSRA BR BKN012CB BKN070 OVC100 22/21 A2984 RMK AO2 LTG DSNT ALQDS PRESRR FRQ LTGICCGCC OHD TS OHD MOV E P0051 T02220211 0.51" of rain in 11 minutes, too. Link to comment Share on other sites More sharing options...
snowlover2 Posted June 27, 2020 Author Share Posted June 27, 2020 Quote URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 307 NWS STORM PREDICTION CENTER NORMAN OK 755 PM EDT FRI JUN 26 2020 THE NWS STORM PREDICTION CENTER HAS ISSUED A * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHERN INDIANA SOUTHERN LOWER MICHIGAN EXTREME NORTHWESTERN OHIO LAKE ERIE LAKE MICHIGAN * EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 755 PM UNTIL 500 AM EDT. * PRIMARY THREATS INCLUDE... SCATTERED DAMAGING WINDS LIKELY WITH ISOLATED SIGNIFICANT GUSTS TO 75 MPH POSSIBLE ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE A TORNADO OR TWO POSSIBLE SUMMARY...SEVERE-THUNDERSTORM POTENTIAL WILL INCREASE AND SHIFT EAST-SOUTHEASTWARD ACROSS THE WATCH AREA THROUGH THE REMAINDER OF THE EVENING, AS ACTIVITY NOW OVER NORTHERN ILLINOIS AND SOUTHERN LAKE MICHIGAN BECOMES BETTER ORGANIZED. WIND IS THE MAIN THREAT, THOUGH ISOLATED LARGE HAIL IS EXPECTED, AND A TORNADO OR TWO CANNOT BE RULED OUT. THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES WEST OF BENTON HARBOR MI TO 10 MILES EAST SOUTHEAST OF DETROIT MI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. 1 Link to comment Share on other sites More sharing options...
Castaway Posted June 27, 2020 Share Posted June 27, 2020 3 Link to comment Share on other sites More sharing options...
purduewx80 Posted June 27, 2020 Share Posted June 27, 2020 Always fun being in Willis during these....lights swaying and lots of creaking (as designed). 5 Link to comment Share on other sites More sharing options...
HillsdaleMIWeather Posted June 27, 2020 Share Posted June 27, 2020 Line is really getting robust over the lake Link to comment Share on other sites More sharing options...
RyanDe680 Posted June 27, 2020 Share Posted June 27, 2020 “Line” went through. Snooze fest Link to comment Share on other sites More sharing options...
Solidsting Posted June 27, 2020 Share Posted June 27, 2020 ahh everything is coming together good. what are the chances of the line holding all the way to Detroit? Link to comment Share on other sites More sharing options...
Castaway Posted June 27, 2020 Share Posted June 27, 2020 2 minutes ago, RyanDe680 said: “Line” went through. Snooze fest Yeah. It was still nice sitting outside feeling the wind and watching it move through to the north though Link to comment Share on other sites More sharing options...
HillsdaleMIWeather Posted June 27, 2020 Share Posted June 27, 2020 65mph wind gust just onshore in Berrien County per ASOS 1 Link to comment Share on other sites More sharing options...
IvyBelle Posted June 27, 2020 Share Posted June 27, 2020 WOODTV out of Grand Rapids following a couplet in Van Buren county. 1 Link to comment Share on other sites More sharing options...
sbnwx85 Posted June 27, 2020 Share Posted June 27, 2020 Nice. Berrien Co MI and LaPorte Co IN lakeshore getting blasted. Nice cell over northern Lake Co IN too. Just now, IvyBelle said: WOODTV out of Grand Rapids following a couplet in Van Buren county. Link to comment Share on other sites More sharing options...
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