IWXwx Posted June 30, 2012 Share Posted June 30, 2012 PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 1014 PM CDT FRI JUN 29 2012 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0931 PM TSTM WND GST 5 S OSWEGO 41.63N 88.33W 06/29/2012 M92 MPH KENDALL IL TRAINED SPOTTER TREES AND LIMBS DOWN. Link to comment Share on other sites More sharing options...
Indystorm Posted June 30, 2012 Share Posted June 30, 2012 I'm actually getting a little antsy about this one. Intense, concentrated storm for sure. Stay safe. Obviously not good to have these wind speeds in such a populated area. Hope my relatives in Highland batten down as well. Link to comment Share on other sites More sharing options...
KeenerWx Posted June 30, 2012 Share Posted June 30, 2012 This one looks like it will nail areas that got hit yesterday. Should miss me just to the north, but holding out for a good lightning show. Neighbors are already making it sound like we've got a violent storm overhead with their half sticks. Link to comment Share on other sites More sharing options...
McDude Posted June 30, 2012 Share Posted June 30, 2012 Missing me to the south, but winds quickly picked up as it was passing. Link to comment Share on other sites More sharing options...
Chicago Storm Posted June 30, 2012 Author Share Posted June 30, 2012 0950 PM NON-TSTM WND GST 2 NW LOCKPORT 41.61N 88.08W 06/29/2012 E85.00 MPH WILL IL NWS EMPLOYEE LARGE TREES RAINING DOWN ONTO CARS ON ROUTE 53 WITH 3 OUT OF 4 LANES BLOCKED BY 2 VERY LARGE UPROOTED TREES. ONE TREE FELL ONTO A CAR. HAIL ALSO WAS FALLING BUT EMPLOYEE WAS UNABLE TO DETERMINE HOW LARGE THE HAIL WAS DUE TO LARGE VOLUME OF TREE DEBRIS RAINING DOWN ONTO HIS CAR. WINDS ROUGHLY ESTIMATED AT 80 TO 90 MPH Link to comment Share on other sites More sharing options...
Thundersnow12 Posted June 30, 2012 Share Posted June 30, 2012 You guys should like this...this is going to be our new radar page at COD and in the testing stage now but you can go into any radar site and get loops of up to 200 frames long. http://weather.cod.edu/buildmap/nexrad_build.php Link to comment Share on other sites More sharing options...
cyclone77 Posted June 30, 2012 Share Posted June 30, 2012 You guys should like this...this is going to be our new radar page at COD and in the testing stage now but you can go into any radar site and get loops of up to 200 frames long. http://weather.cod.e...exrad_build.php Outstanding! That's gonna be very handy to be sure. Storm looks to be right on Tony now. Still looks pretty intense. Unfortunately the lower few thousand ft can't be sampled there away from the radar site, but I'm guessing the winds are still very intense at the surface. Link to comment Share on other sites More sharing options...
Hoar_Frost Posted June 30, 2012 Share Posted June 30, 2012 0950 PM NON-TSTM WND GST 2 NW LOCKPORT 41.61N 88.08W 06/29/2012 E85.00 MPH WILL IL NWS EMPLOYEE LARGE TREES RAINING DOWN ONTO CARS ON ROUTE 53 WITH 3 OUT OF 4 LANES BLOCKED BY 2 VERY LARGE UPROOTED TREES. ONE TREE FELL ONTO A CAR. HAIL ALSO WAS FALLING BUT EMPLOYEE WAS UNABLE TO DETERMINE HOW LARGE THE HAIL WAS DUE TO LARGE VOLUME OF TREE DEBRIS RAINING DOWN ONTO HIS CAR. WINDS ROUGHLY ESTIMATED AT 80 TO 90 MPH I wonder which LOT employee it was who made this account. His description reminds me a lot of my driving experience in the Norman, Oklahoma, squall-line/downburst event on 14 June 2011: http://www.srh.noaa....events-20110614. Link to comment Share on other sites More sharing options...
tornadotony Posted June 30, 2012 Share Posted June 30, 2012 Storm is gusting out...winds didn't get that strong. Am getting some smallish hail, though. Maybe nickel sized but hard to tell for sure. Link to comment Share on other sites More sharing options...
hm8 Posted June 30, 2012 Share Posted June 30, 2012 0950 PM NON-TSTM WND GST 2 NW LOCKPORT 41.61N 88.08W 06/29/2012 E85.00 MPH WILL IL NWS EMPLOYEE LARGE TREES RAINING DOWN ONTO CARS ON ROUTE 53 +TSTREE? Link to comment Share on other sites More sharing options...
cyclone77 Posted June 30, 2012 Share Posted June 30, 2012 Storm is gusting out...winds didn't get that strong. Am getting some smallish hail, though. Maybe nickel sized but hard to tell for sure. Good news to be sure. It's a good thing it did since the heart of it hit you dead on from the looks of things. Link to comment Share on other sites More sharing options...
tornadotony Posted June 30, 2012 Share Posted June 30, 2012 Good news to be sure. It's a good thing it did since the heart of it hit you dead on from the looks of things. Yep. Gotta watch that stuff out SW of Yorkville, though (NE of the current SVR). BV sig is looking a little better on it. Link to comment Share on other sites More sharing options...
Chicago Storm Posted June 30, 2012 Author Share Posted June 30, 2012 From the SPC... Link to comment Share on other sites More sharing options...
cyclone77 Posted June 30, 2012 Share Posted June 30, 2012 From the SPC... Just about a picture perfect/textbook mid-summer American derecho. Link to comment Share on other sites More sharing options...
Geos Posted June 30, 2012 Share Posted June 30, 2012 ^ Awesome graphic above! Derecho has reached the Delmarva! Going straight to the Atlantic. Bit a light rain here, no drought buster though! Link to comment Share on other sites More sharing options...
cyclone77 Posted June 30, 2012 Share Posted June 30, 2012 ^ Awesome graphic above! Derecho has reached the Delmarva! Going straight to the Atlantic. Bit a light rain here, no drought buster though! So cool to know that this one basically blew up right overhead here 14hrs ago. Link to comment Share on other sites More sharing options...
Stebo Posted June 30, 2012 Share Posted June 30, 2012 A collection of severe gust METARs from today, in order are South Bend IN, Fort Wayne IN, Dayton OH, Columbus OH, Charleston WV, Washington DC (Dulles and Reagan National), Baltimore MD, and Richmond VA. KSBN 291743Z 30043G54KT 2 1/2SM VCTS -RA SQ BKN037 BKN050 25/16 A3002 RMK AO2 PK WND 29054/1742 LTG DSNT SW-N TSB35RAB34 PRESRR P0000 KFWA 291854Z 27055G79KT 3SM TS HZ SQ SCT042 SCT049CB OVC070 32/21 A2989 RMK AO2 PK WND 27079/1854 TSB54 SLP112 OCNL LTGCGIC W-NW TS OHD-W-NW MOV E T03170211 $ KDAY 292026Z 35042G71KT 2 1/2SM R06L/6000VP6000FT -RA BR FEW044 BKN055 BKN070 20/18 A2986 RMK AO2 PK WND 34071/2018 WSHFT 2008 RAB18 P0000 KCMH 292107Z 32046G63KT 8SM TSRA SQ SCT028 BKN060CB OVC100 34/21 A2991 RMK AO2 PK WND 33063/2107 TSB06RAB07 PRESRR FRQ LTGCC TS VC W-NW MOV SE P0000 KCRW 292320Z COR 34040G67KT 4SM +TSRA SQ BKN035CB OVC080 33/20 A2994 RMK TS ALQDS MOV SE TSB20 RAB25 CONS LTGICCG VLYFG P0010 KIAD 300228Z 29050G62KT 1 3/4SM R01R/6000VP6000FT +RA SQ FEW039 SCT055 BKN070 25/19 A2984 RMK AO2 PK WND 29062/0223 RAB26 PRESRR P0001 KDCA 300248Z 30043G61KT 1SM R01/5500VP6000FT +TSRA BKN001 OVC035CB 31/23 A2985 RMK AO2 PK WND 30061/0248 TSB31RAB48 PRESRR CONS LTGICCC ALQDS TS ALQDS MOV SE P0000 KBWI 300305Z 27032G57KT 6SM TS HZ SQ FEW040 BKN090CB OVC190 28/19 A2972 RMK AO2 PK WND 29057/0302 PRESRR CONS LTGICCCCG W-NW TS W-NW MOV E KRIC 300306Z COR 30027G51KT 8SM TS SQ SCT010 SCT030CB BKN100 OVC250 29/18 A2987 RMK AO2 PK WND 31051/0300 PRESRR CON LTGICCC ALQDS TS ALQDS MOV E Link to comment Share on other sites More sharing options...
hm8 Posted June 30, 2012 Share Posted June 30, 2012 From the SPC... Sweet graphic, where did you get this? Link to comment Share on other sites More sharing options...
Hoosier Posted June 30, 2012 Share Posted June 30, 2012 Figuring out the details can be tricky but this is basically a textbook pattern for high-end wind events. Today was certainly a classic event and worthy of a spot here: http://www.spc.noaa.gov/misc/AbtDerechos/derechofacts.htm Link to comment Share on other sites More sharing options...
Chicago Storm Posted June 30, 2012 Author Share Posted June 30, 2012 Sweet graphic, where did you get this? SPC FB page. Link to comment Share on other sites More sharing options...
Hoosier Posted June 30, 2012 Share Posted June 30, 2012 New line around JOT/IKK now warned for 70 mph winds. Link to comment Share on other sites More sharing options...
tornadotony Posted June 30, 2012 Share Posted June 30, 2012 72 MPH gust at Carbon Hill mesonet. Link to comment Share on other sites More sharing options...
KeenerWx Posted June 30, 2012 Share Posted June 30, 2012 New line around JOT/IKK now warned for 70 mph winds. Hopefully it doesn't burn itself out too soon. Looking forward to a solid storm. Link to comment Share on other sites More sharing options...
Hoosier Posted June 30, 2012 Share Posted June 30, 2012 Hopefully it doesn't burn itself out too soon. Looking forward to a solid storm. Outflow boundary very visible on LOT radar. Looks like the strongest winds may be riding near the Will/Kankakee county border. Link to comment Share on other sites More sharing options...
B-Rent Posted June 30, 2012 Share Posted June 30, 2012 Outflow boundary very visible on LOT radar. Looks like the strongest winds may be riding near the Will/Kankakee county border. Twitter: 87 mph winds in Romeoville. Large trees down everywhere & large trees down on Rt 53 down in Lockport with 85 mph winds. Link to comment Share on other sites More sharing options...
tornadotony Posted June 30, 2012 Share Posted June 30, 2012 Outflow boundary very visible on LOT radar. Looks like the strongest winds may be riding near the Will/Kankakee county border. Winds got really strong here with this one. I'd say gusts to at least 50, if not a bit higher. Link to comment Share on other sites More sharing options...
KeenerWx Posted June 30, 2012 Share Posted June 30, 2012 It was fun watching this one roll in. The lightning lit up the structure of the storm and it was really ugly/awesome looking (depending on how you look at it). Winds slowly ramped up as the outflow boundary passed and then really hit strong right before the precipitation. It was an eery feeling outside as the wind died down right before we got blasted. You could hear the roar of the wind as it swept in. I'm surrounded by trees so the noise was very noticeable for about 20 seconds before it struck. I would estimate that we had some gusts approaching/exceeding 60mph. Sounded like a few branches met death. Overall nice storm. Link to comment Share on other sites More sharing options...
B-Rent Posted June 30, 2012 Share Posted June 30, 2012 Beautiful lighting as it rolled in. Didn't notice wind but I didn't wake up right away. 3 lighting related house fires in Noblesville right now. Link to comment Share on other sites More sharing options...
LizardMafia Posted June 30, 2012 Share Posted June 30, 2012 Beautiful lighting as it rolled in. Didn't notice wind but I didn't wake up right away. 3 lighting related house fires in Noblesville right now. There was quite a bit of lightning with the storms rolling through the morning.. Link to comment Share on other sites More sharing options...
SpartyOn Posted June 30, 2012 Share Posted June 30, 2012 Bump that boundary further north please! Link to comment Share on other sites More sharing options...
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