tornadotony Posted July 13, 2014 Share Posted July 13, 2014 0.9° tilt of Mercer County IL supercell. Link to comment Share on other sites More sharing options...
Hoosier Posted July 13, 2014 Share Posted July 13, 2014 Parameters generally look better downstream of that NW IL mini-bow so it'll be interesting to see if it intensifies. Link to comment Share on other sites More sharing options...
tornadotony Posted July 13, 2014 Share Posted July 13, 2014 A TOR would be good... Link to comment Share on other sites More sharing options...
Hoosier Posted July 13, 2014 Share Posted July 13, 2014 A TOR would be good... Mercer3.png They just issued a SVR. Link to comment Share on other sites More sharing options...
SchaumburgStormer Posted July 13, 2014 Share Posted July 13, 2014 0.9° tilt of Mercer County IL supercell. Mercer2.png Looks good. No tor warning?Edit: ninja'd Link to comment Share on other sites More sharing options...
m22 Posted July 13, 2014 Share Posted July 13, 2014 That cell in Mercer county should definitely have a tornado warning on it. I don't like these severe thunderstorm warnings that say "tornado possible". Just put out the tornado warning. Link to comment Share on other sites More sharing options...
tornadotony Posted July 13, 2014 Share Posted July 13, 2014 Likely a tornado now in Mercer County. Link to comment Share on other sites More sharing options...
Hoosier Posted July 13, 2014 Share Posted July 13, 2014 BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE QUAD CITIES IA IL 939 PM CDT SAT JUL 12 2014 THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A * TORNADO WARNING FOR... SOUTHWESTERN HENRY COUNTY IN NORTHWEST ILLINOIS... EAST CENTRAL MERCER COUNTY IN NORTHWEST ILLINOIS... * UNTIL 1015 PM CDT * AT 937 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED NEAR MATHERVILLE...AND MOVING EAST AT 40 MPH. HAZARD...TORNADO. 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... CABLE AROUND 945 PM CDT. NEW WINDSOR AROUND 950 PM CDT. ALPHA AROUND 955 PM CDT. WOODHULL AROUND 1000 PM CDT. OTHER LOCATIONS IN THE WARNING INCLUDE GRIFFIN...SWEDONA...OPHIEM AND NEKOMA. Link to comment Share on other sites More sharing options...
Thundersnow12 Posted July 13, 2014 Share Posted July 13, 2014 Yeah I don't know how there isn't a tor warning....couplet looks even more impressive and probably a TOG Link to comment Share on other sites More sharing options...
Thundersnow12 Posted July 13, 2014 Share Posted July 13, 2014 Finally Link to comment Share on other sites More sharing options...
tornadotony Posted July 13, 2014 Share Posted July 13, 2014 Definitely a TDS in Mercer County. Link to comment Share on other sites More sharing options...
janetjanet998 Posted July 13, 2014 Share Posted July 13, 2014 my aunt and grandparents are just south of Windsor camping in mercer county please keep posting those images Link to comment Share on other sites More sharing options...
tornadotony Posted July 13, 2014 Share Posted July 13, 2014 TDS in Mercer County. Tornado likely dissipating. New one may form to the SE. Link to comment Share on other sites More sharing options...
tornadotony Posted July 13, 2014 Share Posted July 13, 2014 Two TDSs in Mercer County. Link to comment Share on other sites More sharing options...
MidwestChaser Posted July 13, 2014 Share Posted July 13, 2014 Red box just issued. Link to comment Share on other sites More sharing options...
Hoosier Posted July 13, 2014 Share Posted July 13, 2014 New Tornado Watch just went out, including Chicagoland. Link to comment Share on other sites More sharing options...
tornadotony Posted July 13, 2014 Share Posted July 13, 2014 New TDS in Mercer County at least 7500 ft. AGL, maybe 9000 ft.+, maybe a sig tor. Link to comment Share on other sites More sharing options...
vortex Posted July 13, 2014 Share Posted July 13, 2014 BULLETIN - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH OUTLINE UPDATE FOR WT 412 NWS STORM PREDICTION CENTER NORMAN OK 950 PM CDT SAT JUL 12 2014 TORNADO WATCH 412 IS IN EFFECT UNTIL 100 AM CDT FOR THE FOLLOWING LOCATIONS ILC007-031-037-043-053-057-063-075-089-091-093-095-097-099-103- 105-111-113-123-125-141-143-175-179-197-201-203-130600- /O.NEW.KWNS.TO.A.0412.140713T0250Z-140713T0600Z/ IL . ILLINOIS COUNTIES INCLUDED ARE BOONE COOK DE KALB DUPAGE FORD FULTON GRUNDY IROQUOIS KANE KANKAKEE KENDALL KNOX LAKE LA SALLE LEE LIVINGSTON MARSHALL MASON MCHENRY MCLEAN OGLE PEORIA STARK TAZEWELL WILL WINNEBAGO WOODFORD Link to comment Share on other sites More sharing options...
CHI_Weather Posted July 13, 2014 Share Posted July 13, 2014 Link to comment Share on other sites More sharing options...
Geos Posted July 13, 2014 Share Posted July 13, 2014 Tornado watch just put up for the entire LOT cwa! Link to comment Share on other sites More sharing options...
Hoosier Posted July 13, 2014 Share Posted July 13, 2014 AREA FORECAST DISCUSSION...UPDATED NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 954 PM CDT SAT JUL 12 2014 MESOSCALE DISCUSSION 953 PM CDT CLUSTER OF STORMS ACROSS NORTH CENTRAL IL CONTINUES TO SHOW STRONG SIGNS OF ORGANIZATION WITH LIKELY SOME MESOSCALE CONVECTIVE VORTEX (MCV) NOW HAVING DEVELOPED BASED ON RADAR IMAGERY. THIS HAS A SLIGHT SOUTH OF EAST PROPAGATION WHICH FOLLOWS THE INSTABILITY AXIS AND SURFACE BOUNDARY. CONTINUING TRENDS AND A STRENGTHENING LOW-LEVEL JET PER VAD WIND PROFILER DATA SUPPORT SEVERE POTENTIAL TOWARD THE FAR WESTERN CHICAGO METRO AREA BY 1030-1100PM AND THE CENTRAL METRO BY MIDNIGHT. THE PRIMARY THREAT WITH THIS WILL BE STRAIGHT-LINE WINDS HOWEVER AN ISOLATED TORNADO THREAT IS IN PLACE GIVEN SURFACE BASED CONVECTION POSSIBLE...AS THERE HAS BEEN GUSTINESS IN SURFACE OBSERVATIONS AND ADAPTED SOUNDINGS INDICATE THE LFC IS VERY LOW /BELOW 3000 FT/ ACROSS MUCH OF THE AREA. IN ADDITION...THE LOW- LEVEL JET CONTINUES TO STRENGTHEN WITH LOW- LEVEL SHEAR AND HELICITY BOTH HIGH IN PLACES WHERE LIFT CAN OCCUR FROM THE SURFACE. THIS IS MOST FAVORED IN DISCRETE STORMS SUCH AS SEEN IN HENRY AND MERCER COUNTY IN WESTERN IL. SOME OF THIS BEHAVIOR COULD BE POSSIBLE IN A SMALL- SCALE WARM AIR ADVECTION WING AHEAD OF THE CLUSTER OF STORMS IN NORTH CENTRAL IL. DESPITE SOME QUICKER FORWARD PROGRESSION WITH A COMPLEX...FLASH FLOODING THREAT CONTINUES WITH VERY EFFICIENT RAINFALL RATES. MTF Link to comment Share on other sites More sharing options...
L.B. LaForce Posted July 13, 2014 Share Posted July 13, 2014 Twins....again in 2014...sheesh Link to comment Share on other sites More sharing options...
SchaumburgStormer Posted July 13, 2014 Share Posted July 13, 2014 Mercer co Link to comment Share on other sites More sharing options...
Chitown Storm Posted July 13, 2014 Share Posted July 13, 2014 The meso disco issued less than an hour ago mentioned a lessened severe threat for N IL. An hour later, they reversed course. Serious juice out there to fuel the fire that's for sure. Holy dewpoint. Link to comment Share on other sites More sharing options...
Thundersnow12 Posted July 13, 2014 Share Posted July 13, 2014 Nice new meso now near Windsor Link to comment Share on other sites More sharing options...
janetjanet998 Posted July 13, 2014 Share Posted July 13, 2014 Nice new meso now near Windsor ONAL WEATHER SERVICE QUAD CITIES IA IL 1001 PM CDT SAT JUL 12 2014 ILC073-131-130315- /O.CON.KDVN.TO.W.0022.000000T0000Z-140713T0315Z/ HENRY IL-MERCER IL- 1001 PM CDT SAT JUL 12 2014 ...A TORNADO WARNING REMAINS IN EFFECT FOR EAST CENTRAL MERCER AND SOUTHWESTERN HENRY COUNTIES UNTIL 1015 PM CDT... AT 958 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED NEAR CABLE...AND MOVING NORTHEAST AT 25 MPH. DOPPLER RADAR ALSO INDICATED A SECOND TORNADO POSSIBLY DEVELOPING JUST NORHTEAST OF NEW WINDSOR. THIS AREA OF ROTATION WAS MOVING EAST TO NORTHEAST AROUND 25 MPH. Link to comment Share on other sites More sharing options...
tornadotony Posted July 13, 2014 Share Posted July 13, 2014 Here's comes tornado #3. Link to comment Share on other sites More sharing options...
Chitown Storm Posted July 13, 2014 Share Posted July 13, 2014 Well that line that was in NW IL certainly crapped the bed as it crossed I-39. Right around the time the watch was issued. Link to comment Share on other sites More sharing options...
Geos Posted July 13, 2014 Share Posted July 13, 2014 Well that line that was in NW IL certainly crapped the bed as it crossed I-39. Right around the time the watch was issued. Probably a cold pool is starting to develop. Cells in WI have more energy it looks like. Quite a bit of lightning in the northern skies here. Link to comment Share on other sites More sharing options...
Hoosier Posted July 13, 2014 Share Posted July 13, 2014 Well that line that was in NW IL certainly crapped the bed as it crossed I-39. Right around the time the watch was issued. Base velocity still looks respectable. Link to comment Share on other sites More sharing options...
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