IWXwx Posted June 24, 2014 Share Posted June 24, 2014 This was just posted on Chat from the Indy air traffic control tower. "We had a controller here that witnessed the very beginning of the tornado/damage path. He saw it touch down just north of Township Line Road west of Smith Road in far nrn part of Plainfield. The first structure it hit was some barns east of Smith Road, which he described as "Exploding". He described the tornado as ropy/snakelike, moving back and forth." Link to comment Share on other sites More sharing options...
tuanis Posted June 24, 2014 Share Posted June 24, 2014 Just had quite a nice funnel form and extend from the base of the wall cloud here in Oakbrook Terrace. They blew the sirens, but I'm not seeing a warning. Didn't last long at all. Link to comment Share on other sites More sharing options...
A-L-E-K Posted June 24, 2014 Share Posted June 24, 2014 nice cell riding the lake breeze Link to comment Share on other sites More sharing options...
A-L-E-K Posted June 24, 2014 Share Posted June 24, 2014 Just had quite a nice funnel form and extend from the base of the wall cloud here in Oakbrook Terrace. They blew the sirens, but I'm not seeing a warning. Didn't last long at all. nice, i had a great view of the tower go up from downtown. really classic lake breeze convergence convection…best climo Link to comment Share on other sites More sharing options...
Castaway Posted June 24, 2014 Share Posted June 24, 2014 Oakbrook terrace here too. 1st pic of the circulation Link to comment Share on other sites More sharing options...
Powerball Posted June 24, 2014 Share Posted June 24, 2014 Agree. There's good low level instability/moisture but not a whole lot of shear. Where did this thing even come from? Kind of a crappy set up for a large damaging twister imo While speed shear is lacking, there's good directional shear in place (I had mentioned this in the thread 2 days ago). Combined with the low LCLs, you can still get tornadoes to happen. You actually don't want a whole lot of speed shear for tornadoes to develop, as that will disrupt the vertical development of the circulation. Link to comment Share on other sites More sharing options...
sokolow Posted June 24, 2014 Share Posted June 24, 2014 Oakbrook terrace here too. 1st pic of the circulationnice. Link to comment Share on other sites More sharing options...
Castaway Posted June 24, 2014 Share Posted June 24, 2014 2nd pic. Around 5mins later Link to comment Share on other sites More sharing options...
sokolow Posted June 24, 2014 Share Posted June 24, 2014 Sweet!! Basically straight east of you near comiskey home the 2005 World Champions, the Chicago White Sox, God's Greatest Baseball Team, we're facing south so we're well placed to watch the rain lightning and sunlight show, but had a narrow view of tower as it went up -- looked like it had some structure, wondering if it had any visible circulation out west Link to comment Share on other sites More sharing options...
IWXwx Posted June 25, 2014 Share Posted June 25, 2014 IND met went out and did some preliminary survey work near their office and found some EF-1 damage. Complete path survey to be finished tomorrow morning. PRELIMINARY LOCAL STORM REPORTNATIONAL WEATHER SERVICE INDIANAPOLIS IN755 PM EDT TUE JUN 24 2014..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON.....DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE......REMARKS..0231 PM TORNADO 6 NE PLAINFIELD 39.76N 86.31W06/24/2014 MARION IN NWS STORM SURVEYCAMPER APPARENTLY WAS TOSSED ONTO ROOF OF HOMEDESTROYING THE CAMPER AND APPROXIMATELY HALF OF THE ROOFFACING THE STREET. TORNADO DAMAGE RATING EF-1. ESTIMATEDTIME. Link to comment Share on other sites More sharing options...
IWXwx Posted June 25, 2014 Share Posted June 25, 2014 Some more storm reports: PRELIMINARY LOCAL STORM REPORTNATIONAL WEATHER SERVICE INDIANAPOLIS IN710 PM EDT TUE JUN 24 2014..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON.....DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE......REMARKS..0231 PM TSTM WND DMG 3 NE PLAINFIELD 39.73N 86.35W06/24/2014 HENDRICKS IN NWS EMPLOYEE200 PLUS CARS WERE DAMAGED AT AUTO AUCTION AT ADESA AT2950 EAST MAIN STREET PRELIMINARY LOCAL STORM REPORTNATIONAL WEATHER SERVICE INDIANAPOLIS IN734 PM EDT TUE JUN 24 2014..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON.....DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE......REMARKS..0231 PM TSTM WND DMG 2 SE CLERMONT 39.80N 86.29W06/24/2014 MARION IN TRAINED SPOTTERUTILITY POLES WERE SNAPPED OR LEANING. THE SNAPPED ONEWAS BROKEN 3 TO 4 FEET ABOVE GROUND LEVEL. TREES WERESNAPPED OR UPROOTED. ROOFING DAMAGE. LAWN FURNITURE WASSTREWN ABOUT. TIME IS ESTIMATED. PRELIMINARY LOCAL STORM REPORTNATIONAL WEATHER SERVICE INDIANAPOLIS IN738 PM EDT TUE JUN 24 2014..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON.....DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE......REMARKS..0231 PM TSTM WND DMG 1 NW INDIANAPOLIS INT'L 39.73N 86.31W06/24/2014 MARION IN TRAINED SPOTTERTREE LIMBS DOWN ALL ALONG BRIDGEPORT ROAD. TIMEESTIMATED. Link to comment Share on other sites More sharing options...
Castaway Posted June 25, 2014 Share Posted June 25, 2014 Sweet!! Basically straight east of you near comiskey home the 2005 World Champions, the Chicago White Sox, God's Greatest Baseball Team, we're facing south so we're well placed to watch the rain lightning and sunlight show, but had a narrow view of tower as it went up -- looked like it had some structure, wondering if it had any visible circulation out west Nice. I noticed a tower or 2 pluming in the distance but i wasn't expecting much then I heard distant thunder. I glanced outside and noticed it started getting dark looking east. It was sunny to the west and south. So thats when I figured I'm right at the south west edge of the cell. I peeked out looking up towards north east for hell of it to see if there is a shelf cloud and noticed a stub of tight circulation above me going south east. It started wrapping nicely getting fat then it washed out. Then after watching it struggle back is when I took those shots. At one point it looked like it was about to touch down and I was wondering how come they didn't set off the siren then a moment later it went off. Link to comment Share on other sites More sharing options...
A-L-E-K Posted June 25, 2014 Share Posted June 25, 2014 nice shots Link to comment Share on other sites More sharing options...
Thunder Road Posted June 25, 2014 Share Posted June 25, 2014 2nd pic. Around 5mins later Very nice! I'll admit, I'm usually skeptical of funnel cloud reports, but... damn, there it is. Link to comment Share on other sites More sharing options...
sokolow Posted June 25, 2014 Share Posted June 25, 2014 LOT statement on the funnels 000 WWUS83 KLOT 242350 SPSLOT SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHICAGO IL 650 PM CDT TUE JUN 24 2014 ILZ013-014-250200- DUPAGE-COOK- INCLUDING THE CITIES OF...WHEATON...CHICAGO 650 PM CDT TUE JUN 24 2014 ...FUNNEL CLOUDS OVER EASTERN DUPAGE AND PORTIONS OF COOK... DUE TO MULTIPLE SMALL SCALE BOUNDARIES OVER THE AREA...ATMOSPHERIC CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF WEAK CIRCULATIONS THAT AT TIMES HAVE BECOME BRIEFLY ROTATING FUNNEL CLOUDS. THESE FUNNEL CLOUDS LAST A FEW MINUTES BEFORE DISSIPATING. WE HAVE RECEIVED MULTIPLE PHOTOS...VIDEOS AND REPORTS OF FUNNEL CLOUDS WITHIN THE PAST HOUR NEAR OAK BROOK...WESTERN SPRINGS AND HINSDALE AND OTHER LOCATIONS IN THAT GENERAL AREA. THESE FUNNEL CLOUDS RARELY TOUCH THE GROUND AND TYPICALLY DO NOT POSE ANY SORT OF HAZARD. THE ATMOSPHERIC CONDITIONS THESE FUNNELS ARE DEVELOPING IN DO NOT SUPPORT STRONG...DAMAGING TORNADOES. HOWEVER...ON EXTREMELY RARE OCCASIONS THESE FUNNELS CAN BRIEFLY TOUCH THE GROUND AND PRODUCE VERY MINIMAL...IF ANY DAMAGE. IF THREATENING WEATHER APPROACHES...MOVE INDOORS TO A PLACE OF SAFETY. THE NATIONAL WEATHER SERVICE WILL CONTINUE TO CLOSELY MONITOR THE SITUATION. PLEASE FORWARD REPORTS OF FUNNEL SIGHTINGS TO THE NEAREST LAW ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE. $$ RC Link to comment Share on other sites More sharing options...
Hoosier Posted June 25, 2014 Share Posted June 25, 2014 Plainfield-Indianapolis tornado rated EF-1 (more detail at the link below) http://www.crh.noaa.gov/news/display_cmsstory.php?wfo=ind&storyid=103059&source=0 Link to comment Share on other sites More sharing options...
Hoosier Posted June 25, 2014 Share Posted June 25, 2014 While speed shear is lacking, there's good directional shear in place (I had mentioned this in the thread 2 days ago). Combined with the low LCLs, you can still get tornadoes to happen. You actually don't want a whole lot of speed shear for tornadoes to develop, as that will disrupt the vertical development of the circulation. Directional shear didn't even seem all that impressive in the area, at least based on forecast soundings. I haven't looked to see what conditions were like in reality. Link to comment Share on other sites More sharing options...
Thundersnow12 Posted June 25, 2014 Share Posted June 25, 2014 Couldn't get pics of the radar here at work but BV had 98 to 112 kts 300 to 450 ft just north of Speedway for about 20 minutes. Not saying it couldn't have been dirty but there were consistent +/- 50 to 90 kt returns in the broader circulation around where the tornado and funnel clouds were being reported so its not out of the question. I normally am working on the SW side of Indy but was in Muncie today. Figures Not a chance. I was watching in on level 2 the whole time. Velocity data was never that strong. Link to comment Share on other sites More sharing options...
Stebo Posted June 25, 2014 Share Posted June 25, 2014 Not a chance. I was watching in on level 2 the whole time. Velocity data was never that strong. Yeah it was random blips that remained in the same area. Link to comment Share on other sites More sharing options...
Brewers Posted June 25, 2014 Share Posted June 25, 2014 Wouldn't be surprised if there are a few strong/severe storms that move along the stalled front/marine boundary. Decent cape on the warm side and that shortwave is providing some shear, especially in N IL Link to comment Share on other sites More sharing options...
A-L-E-K Posted June 25, 2014 Share Posted June 25, 2014 see text on new d1 Link to comment Share on other sites More sharing options...
A-L-E-K Posted June 25, 2014 Share Posted June 25, 2014 LOT update MONITORING THUNDERSTORM POTENTIAL THIS AFTERNOON...WITH THEPOSSIBILITY FOR SOME OF THEM TO BE STRONG.LATEST OBJECTIVE ANALYSIS DEPICTING FRONTAL BOUNDARY STRETCHINGACROSS NORTHERN ILLINOIS AND NORTHWEST INDIANA THIS MORNING...WITHA RATHER MOIST ENVIRONMENT OF MID TO UPPER 60S DEWPOINTS STILL INPLACE. WITH THE DEPARTURE OF THE MORNING FOG/STRATUS...WARMING HASALLOWED FOR AN EARLY DEVELOPMENT OF STEEP LOW LEVEL LAPSE RATESWITHIN RAPIDLY DIMINISHING CIN OVER NORTHWEST ILLINOIS AND NORTHCENTRAL ILLINOIS. FURTHER EROSION OF THIS STABLE LAYER/CIN ISLIKELY OVER THE NEXT COUPLE OF HOURS OVER NORTHEAST ILLINOIS ANDNORTHWEST INDIANA...WITH MODERATE INSTABILITY LIKELY IN PLACE BYEARLY AFTERNOON. THE INCREASINGLY MORE UNSTABLE ENVIRONMENT IN THEPRESENCE OF THIS BOUNDARY IS CONCERNING ESPECIALLY AS AREAS ACROSSSOUTHERN WISCONSIN AND NORTHERN ILLINOIS BEGIN TO OBSERVE BETTERLARGE SCALE LIFT...OUT AHEAD OF A STOUT SHORT WAVE TROUGHPROGRESSING EAST THROUGH SOUTHERN WISCONSIN. BEST ASCENT WITH THISFEATURE WILL BE SITUATED FURTHER NORTH IN SOUTHERN WISCONSIN...ANDTHIS WILL BE A LIMITING FACTOR WITH OVERALL COVERAGE AND INTENSITYOF ANY THUNDERSTORM DEVELOPMENT THIS AFTERNOON.NONETHELESS...SHOULD BE ENOUGH LIFT ON THE TAIL END OF THE WAVECOINCIDING WITH THE FRONTAL BOUNDARY TO PROVIDE AT LEAST SCATTEREDDEVELOPMENT BY EARLY TO MID AFTERNOON OVER NORTH CENTRAL ILLINOIS.ANY STORMS WILL LIKELY MAINTAIN THEMSELVES AS THEY DRIFT SOUTHEASTTHROUGH NORTHEAST ILLINOIS AND NORTHWEST INDIANA DURING THE MID TOLATE AFTERNOON TIME FRAME...BEFORE COVERAGE AND INTENSITY DIMINISHINTO EARLY EVENING.DESPITE WEAKER FORCING...EFFECTIVE SHEAR OF 35-40KT AND PREVIOUSLYMENTIONED INSTABILITY PARAMETERS COULD BE ENOUGH TO SUPPORT STRONGDEVELOPMENT AND EVEN AN ISOLATED SEVERE THREAT. STRONG WIND GUSTSAND HAIL ARE THE MAIN THREATS...BUT WITH HEAVY RAINFALL ANDLOCALIZE FLOODING REMAINING A POSSIBILITY WITH ANY STORMS AS AMOIST ENVIRONMENT REMAINS IN PLACE. and page on funnel yesterday http://www.crh.noaa.gov/news/display_cmsstory.php?wfo=lot&storyid=103061&source=0 Link to comment Share on other sites More sharing options...
The_Doctor Posted June 25, 2014 Share Posted June 25, 2014 Could be a watch today: MESOSCALE DISCUSSION 1145NWS STORM PREDICTION CENTER NORMAN OK1211 PM CDT WED JUN 25 2014AREAS AFFECTED...SRN WI INTO NRN IL AND FAR NW INDCONCERNING...SEVERE POTENTIAL...WATCH POSSIBLEVALID 251711Z - 251945ZPROBABILITY OF WATCH ISSUANCE...40 PERCENTSUMMARY...STORMS WILL LIKELY INCREASE IN COVERAGE AND INTENSITY THISAFTERNOON AS THEY DEVELOP SEWD OUT OF WI AND INTO IL. LARGE HAIL ANDLOCALIZED SEVERE WIND GUSTS WILL BE POSSIBLE.DISCUSSION...ISOLATED STORMS HAVE ALREADY FORMED OVER SWRN WI NEAR AWEAK SURFACE LOW AND IN ASSOCIATION WITH THE SHORTWAVE TROUGH.MEANWHILE...HEATING CONTINUES TO ERODE/MIX LOW CLOUDS SEWD TOWARDSRN LAKE MICHIGAN...WITH AN EXPANDING CU FIELD OVER NRN IL.DEEP-LAYER SHEAR PROFILES ARE RELATIVELY FAVORABLE FOR ORGANIZEDSEVERE STORMS DESPITE WEAK LOW-LEVEL FLOW. HOWEVER...THE NELYSURFACE WINDS NEAR THE DIFFUSE BOUNDARY MAY AUGMENT THE HODOGRAPHSASSUMING THE AIR IMMEDIATELY ON THE COOL SIDE OF THE BOUNDARY CANBECOME MORE UNSTABLE. THIS MAY PROVE FAVORABLE FOR SUSTAINING ASUPERCELL OR TWO SEWD ACROSS SRN WI INTO NRN IL. THE COOLTEMPERATURES ALOFT WOULD FAVOR LARGE HAIL...WITH A LOCALIZEDDAMAGING WIND GUST ALWAYS POSSIBLE...JEWELL/CARBIN.. 06/25/2014 Link to comment Share on other sites More sharing options...
A-L-E-K Posted June 25, 2014 Share Posted June 25, 2014 these are always fun local setups Link to comment Share on other sites More sharing options...
SchaumburgStormer Posted June 25, 2014 Share Posted June 25, 2014 Cells popping up west of dekalb Link to comment Share on other sites More sharing options...
A-L-E-K Posted June 25, 2014 Share Posted June 25, 2014 yep, can already see the towers going up from my office Link to comment Share on other sites More sharing options...
Thundersnow12 Posted June 25, 2014 Share Posted June 25, 2014 Yeah good towers out here. MSN is impressive with LOT radar getting 70dbz at close to 20kft. Link to comment Share on other sites More sharing options...
A-L-E-K Posted June 25, 2014 Share Posted June 25, 2014 going to need flash flood headlines before the afternoon is over as that convergence axis isn't going to move. Link to comment Share on other sites More sharing options...
Thundersnow12 Posted June 25, 2014 Share Posted June 25, 2014 Today could of been a really good day for a nice sustained supercell (which we still might see) but there is no EML/cap and mid level lapse rates are pretty bad. Good instability/moisture and 40-50kts of effective shear currently. MSN storm seems to be weakening some. Link to comment Share on other sites More sharing options...
McDude Posted June 25, 2014 Share Posted June 25, 2014 Lots of thunder. More on the way. Link to comment Share on other sites More sharing options...
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