Hoosier Posted May 11, 2014 Share Posted May 11, 2014 Radar trends looking supportive of possible flash flood threat near I-80 corridor in IL and into IN. And right on cue, LOT issues flash flood warning. Link to comment Share on other sites More sharing options...
Hoosier Posted May 12, 2014 Share Posted May 12, 2014 PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 659 PM CDT SUN MAY 11 2014 .TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON .DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE. ..REMARKS.. 0632 PM TSTM WND DMG JOLIET 41.53N 88.12W 05/11/2014 WILL IL LAW ENFORCEMENT ROOF LOSS...BUT EXTENT UNKNOWN...AT HOTEL AT 4200 WEST JERFFERSON. Link to comment Share on other sites More sharing options...
Powerball Posted May 12, 2014 Share Posted May 12, 2014 Radar trends looking supportive of possible flash flood threat near I-80 corridor in IL and into IN. IWX just issued an update to reflect the heavy rain wording in their grids. I'm sure it's a mess in Joliet right now. Link to comment Share on other sites More sharing options...
Thunder Road Posted May 12, 2014 Share Posted May 12, 2014 some broad rotation over Lake Station attm it is a right-turner, so a brief report/touchdown wouldn't completely shock me. I'm hoping we can get some hail out of this guy. VIL is maxed out just to the north. Link to comment Share on other sites More sharing options...
Thunder Road Posted May 12, 2014 Share Posted May 12, 2014 Seems like the core is gonna lift just north of town. Oh well. Link to comment Share on other sites More sharing options...
Chargers09 Posted May 12, 2014 Share Posted May 12, 2014 Rotation? Link to comment Share on other sites More sharing options...
Thunder Road Posted May 12, 2014 Share Posted May 12, 2014 Just got the tone on my phone for the FFW. Overall a solid B+ storm. Definite severe-criteria gusts and some pea-size hail. Would've been an A with a little more hail. Pictures to come.. Link to comment Share on other sites More sharing options...
Thunder Road Posted May 12, 2014 Share Posted May 12, 2014 70 mph measured at Chesterton and 78 mph at GYY (though not in the METAR for some reason) Link to comment Share on other sites More sharing options...
huronicane Posted May 12, 2014 Share Posted May 12, 2014 Taken looking South and West out over Kane County Link to comment Share on other sites More sharing options...
Thunder Road Posted May 12, 2014 Share Posted May 12, 2014 Rotation? broad, but yes: and a few scans later, along IN 49 E and SE of Chesterton: Link to comment Share on other sites More sharing options...
vortex Posted May 12, 2014 Share Posted May 12, 2014 BULLETIN - EAS ACTIVATION REQUESTEDTORNADO WARNINGNATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL754 PM CDT SUN MAY 11 2014 THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A * TORNADO WARNING FOR... CENTRAL JASPER COUNTY IN NORTHWEST INDIANA... CENTRAL NEWTON COUNTY IN NORTHWEST INDIANA... * UNTIL 845 PM CDT * AT 752 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED NEAR BROOK...AND MOVING EAST AT 45 MPH. HAZARD...TORNADO AND QUARTER SIZE HAIL. SOURCE...RADAR INDICATED ROTATION. IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS LIKELY. * THIS DANGEROUS STORM WILL BE NEAR... COLLEGEVILLE AND RENSSELAER AROUND 805 PM CDT. PLEASANT RIDGE AROUND 810 PM CDT. MCCOYSBURG AND MOODY AROUND 815 PM CDT. HANGING GROVE AROUND 820 PM CDT. I-65 BETWEEN MILE MARKERS 204 AND 222. Link to comment Share on other sites More sharing options...
Thunder Road Posted May 12, 2014 Share Posted May 12, 2014 nice shelf, suspicious lowering in the middle, and (although hard to make out) pretty distinct greenage: hard to make out, but a tiny bit of pea-size hail too: Link to comment Share on other sites More sharing options...
Thunder Road Posted May 12, 2014 Share Posted May 12, 2014 Public reports a funnel cloud near Brook in far southern Newton County at 0057 Link to comment Share on other sites More sharing options...
Geos Posted May 12, 2014 Share Posted May 12, 2014 Tornado warning southeast of Kankakee. INC073-111-120145-/O.CON.KLOT.TO.W.0004.000000T0000Z-140512T0145Z/NEWTON IN-JASPER IN-803 PM CDT SUN MAY 11 2014...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL JASPER AND CENTRALNEWTON COUNTIES UNTIL 845 PM CDT...AT 801 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADOWAS LOCATED NEAR FORESMAN...AND MOVING EAST AT 35 MPH.HAZARD...TORNADO AND GOLF BALL SIZE HAIL.SOURCE...RADAR INDICATED ROTATION.IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS LIKELY.THIS DANGEROUS STORM WILL BE NEAR... COLLEGEVILLE AND SURREY AROUND 805 PM CDT. RENSSELAER AROUND 805 PM CDT. PLEASANT RIDGE AROUND 810 PM CDT. MCCOYSBURG AROUND 820 PM CDT. HANGING GROVE AND MOODY AROUND 825 PM CDT. Link to comment Share on other sites More sharing options...
Powerball Posted May 12, 2014 Share Posted May 12, 2014 Wow... http://forecast.weather.gov/MapClick.php?map.x=223&map.y=154&site=oax&zmx=1&zmy=1#.U3AhkvldVdh Omaha, Eppley Airfield (7:52 PM) Thunderstorm Heavy Rain Squalls and Windy Temp - 64 Dewpoint - 62 Humidity - 93 Wind Speed - 62 MPH Wind Gust - 82 MPH Barometer - 29.55 Link to comment Share on other sites More sharing options...
vortex Posted May 12, 2014 Share Posted May 12, 2014 SEVERE WEATHER STATEMENTNATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL812 PM CDT SUN MAY 11 2014 INC073-111-120145-/O.CON.KLOT.TO.W.0004.000000T0000Z-140512T0145Z/NEWTON IN-JASPER IN-812 PM CDT SUN MAY 11 2014 ...A TORNADO WARNING REMAINS IN EFFECT FOR CENTRAL JASPER AND EASTCENTRAL NEWTON COUNTIES UNTIL 845 PM CDT... AT 809 PM CDT...A CONFIRMED TORNADO WAS LOCATED NEAR COLLEGEVILLE...AND MOVING EAST AT 30 MPH. HAZARD...DAMAGING TORNADO AND GOLF BALL SIZE HAIL. SOURCE...LAW ENFORCEMENT CONFIRMED TORNADO. IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE TO ROOFS...WINDOWS AND VEHICLES WILL OCCUR. TREE DAMAGE IS LIKELY. THIS TORNADIC STORM WILL BE NEAR... RENSSELAER AROUND 810 PM CDT. PLEASANT RIDGE AROUND 815 PM CDT. HANGING GROVE AND MOODY AROUND 825 PM CDT. Link to comment Share on other sites More sharing options...
Thunder Road Posted May 12, 2014 Share Posted May 12, 2014 Pretty serious flash flooding threat developing along the US 24 corridor through Watseka Link to comment Share on other sites More sharing options...
Hoosier Posted May 12, 2014 Share Posted May 12, 2014 Outflow boundary came through a little while ago...gusty but sub severe. Link to comment Share on other sites More sharing options...
snowlover2 Posted May 12, 2014 Author Share Posted May 12, 2014 ILN just issued a Flash Flood Watch for the storm cluster. FLOOD WATCHNATIONAL WEATHER SERVICE WILMINGTON OH1200 AM EDT MON MAY 12 2014...FLASH FLOODING POSSIBLE THROUGH MID MORNING....A THUNDERSTORM CLUSTER PRODUCING WIDESPREAD HEAVY DOWNPOURS WILLHEAD INTO WEST CENTRAL OHIO AND THE MIAMI VALLEY LATE TONIGHT.RAINFALL IN EXCESS OF 2 INCHES WILL BE POSSIBLE IN SOME OF THEHEAVIER DOWNPOURS. THIS ADDITIONAL RAINFALL MAY BE ENOUGH TOCAUSE FLASH FLOODING ALONG SMALL STREAMS AND CREEKS.INZ050-058-059-OHZ026-034-035-042>044-051>053-060>062-121400-/O.NEW.KILN.FF.A.0003.140512T0400Z-140512T1400Z//00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/WAYNE-FAYETTE IN-UNION IN-HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN-MIAMI-CHAMPAIGN-CLARK-PREBLE-MONTGOMERY-GREENE-INCLUDING THE CITIES OF...RICHMOND...CONNERSVILLE...LIBERTY...KENTON...CELINA...WAPAKONETA...GREENVILLE...SIDNEY...BELLEFONTAINE...PIQUA...URBANA...SPRINGFIELD...EATON...DAYTON...XENIA1200 AM EDT MON MAY 12 2014...FLASH FLOOD WATCH IN EFFECT UNTIL 10 AM EDT MONDAY...THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A* FLASH FLOOD WATCH FOR PORTIONS OF EAST CENTRAL INDIANA ANDOHIO...INCLUDING THE FOLLOWING AREAS...IN EAST CENTRALINDIANA...FAYETTE IN...UNION IN AND WAYNE. IN OHIO...AUGLAIZE...CHAMPAIGN...CLARK...DARKE...GREENE...HARDIN...LOGAN...MERCER...MIAMI...MONTGOMERY...PREBLE AND SHELBY.* UNTIL 10 AM EDT MONDAY* THUNDERSTORMS WITH HEAVY DOWNPOURS WILL OCCUR IN LOCATIONS THATRECENTLY RECEIVED HEAVY RAINFALL.PRECAUTIONARY/PREPAREDNESS ACTIONS...A FLASH FLOOD WATCH MEANS THAT FLOODING OF SMALL STREAMS, CREEKSAND OTHER DRAINAGE AREAS IS POSSIBLE WITHIN THE WATCH AREA.PEOPLE IN THE WATCH AREA SHOULD KEEP AN EYE ON THE WEATHER AND BEPREPARED FOR IMMEDIATE ACTION SHOULD HEAVY RAINS AND FLOODINGOCCUR OR A FLASH FLOOD WARNING BE ISSUED. Link to comment Share on other sites More sharing options...
hm8 Posted May 12, 2014 Share Posted May 12, 2014 SPC WRF is interesting for the Lakes tomorrow Link to comment Share on other sites More sharing options...
Hoosier Posted May 12, 2014 Share Posted May 12, 2014 SPC WRF is interesting for the Lakes tomorrow Looks like the current stuff in Iowa keeps chugging along on that run. Link to comment Share on other sites More sharing options...
snowlover2 Posted May 12, 2014 Author Share Posted May 12, 2014 This storm complex is going to just clobber me. Looking like i'll be hit by the training part of the line. Link to comment Share on other sites More sharing options...
Powerball Posted May 12, 2014 Share Posted May 12, 2014 Looks like the current stuff in Iowa keeps chugging along on that run. Just hope we can clear out some of this crap: Link to comment Share on other sites More sharing options...
hm8 Posted May 12, 2014 Share Posted May 12, 2014 Basic 2/15/15 probs for most of our area on the new outlook Link to comment Share on other sites More sharing options...
Stebo Posted May 12, 2014 Share Posted May 12, 2014 Looks like we will get some non severe stuff this morning but there is certainly a pocket of clearing behind this initial band of thunderstorms. Link to comment Share on other sites More sharing options...
A-L-E-K Posted May 12, 2014 Share Posted May 12, 2014 looking forward to another round this afternoon getting good sun and it already feels quite humid going to be the 3rd soaking in under a week Link to comment Share on other sites More sharing options...
wisconsinwx Posted May 12, 2014 Share Posted May 12, 2014 looking forward to another round this afternoon getting good sun and it already feels quite humid going to be the 3rd soaking in under a week Depending on the trigger, timing is definitely in question for most of us on this forum. The cold front comes through pretty late tonight, but I'll bet some scattered convection develops out ahead of the main cold front. Link to comment Share on other sites More sharing options...
A-L-E-K Posted May 12, 2014 Share Posted May 12, 2014 new d1 extended slight risk south to encompass all of chicagoland and yeah, remnant iowa mcv should help set off isolated action this afternoon Link to comment Share on other sites More sharing options...
A-L-E-K Posted May 12, 2014 Share Posted May 12, 2014 EDIT: micro watch issued wisconsinwx looking good, gonna need to build south for chicago posters. getting some elevated debris cu around downtown Link to comment Share on other sites More sharing options...
eureka22 Posted May 12, 2014 Share Posted May 12, 2014 And the watch. 925WWUS20 KWNS 121502SEL9 SPC WW 121502ILZ000-WIZ000-LMZ000-122200-URGENT - IMMEDIATE BROADCAST REQUESTEDSEVERE THUNDERSTORM WATCH NUMBER 149NWS STORM PREDICTION CENTER NORMAN OK1005 AM CDT MON MAY 12 2014THE NWS STORM PREDICTION CENTER HAS ISSUED A* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF NORTHERN ILLINOIS SOUTHEAST WISCONSIN LAKE MICHIGAN* EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 1005 AM UNTIL 500 PM CDT.* PRIMARY THREATS INCLUDE... ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLETHE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES SOUTHSOUTHEAST OF ROCKFORD ILLINOIS TO 65 MILES NORTH NORTHWEST OFMILWAUKEE WISCONSIN. FOR A COMPLETE DEPICTION OF THE WATCH SEETHE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).PRECAUTIONARY/PREPAREDNESS ACTIONS...REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS AREFAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCHAREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FORTHREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTSAND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLYDO PRODUCE TORNADOES.&&DISCUSSION...ONGOING TSTMS OVER SWRN WI ARE EXPECTED TO INTENSIFYTODAY WHILE MOVING EWD ACROSS THE WATCH AREA WITH ADDITION STORMSFORMING FARTHER TO THE S INTO NRN IL. DAMAGING WIND GUSTS AND LARGEHAIL WILL BE THE PRIMARY HAZARDS.AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFTTO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORMMOTION VECTOR 24035....MEAD======================================================================935WWUS40 KWNS 121502WWP9 SEVERE THUNDERSTORM WATCH PROBABILITIES FOR WS 0149NWS STORM PREDICTION CENTER NORMAN OK1000 AM CDT MON MAY 12 2014WS 0149PROBABILITY TABLE:PROB OF 2 OR MORE TORNADOES : 10%PROB OF 1 OR MORE STRONG /F2-F5/ TORNADOES : <02%PROB OF 10 OR MORE SEVERE WIND EVENTS : 30%PROB OF 1 OR MORE WIND EVENTS >= 65 KNOTS : 10%PROB OF 10 OR MORE SEVERE HAIL EVENTS : 30%PROB OF 1 OR MORE HAIL EVENTS >= 2 INCHES : 10%PROB OF 6 OR MORE COMBINED SEVERE HAIL/WIND EVENTS : 60%&&ATTRIBUTE TABLE:MAX HAIL /INCHES/ : 1.5MAX WIND GUSTS SURFACE /KNOTS/ : 60MAX TOPS /X 100 FEET/ : 500MEAN STORM MOTION VECTOR /DEGREES AND KNOTS/ : 24035PARTICULARLY DANGEROUS SITUATION : NO&&FOR A COMPLETE GEOGRAPHICAL DEPICTION OF THE WATCH ANDWATCH EXPIRATION INFORMATION SEE WOUS64 FOR WOU9.$$ Link to comment Share on other sites More sharing options...
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