janetjanet998 Posted February 28, 2017 Share Posted February 28, 2017 2 minutes ago, jojo762 said: What do you mean? They issued one at 5:04... They issue them usually ever 15 minutes. ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 530 PM CST FOR SOUTHERN KENDALL...EAST CENTRAL LA SALLE AND NORTHERN GRUNDY COUNTIES... At 504 PM CST, a confirmed large and extremely dangerous tornado was located over Marseilles, moving east at 35 mph. This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! HAZARD...Damaging tornado. SOURCE...Weather spotters confirmed tornado. IMPACT...You are in a life-threatening situation. Flying debris may be deadly to those caught without shelter. Mobile homes will be destroyed. Considerable damage to homes, businesses, and vehicles is likely and complete destruction is possible. The tornado will be near... Morris around 525 PM CST. Minooka around 530 PM CST. my bad...stupid Cache..tying to talk to three people at once about the Peoria warned storm and to friend in Morris Link to comment Share on other sites More sharing options...
geddyweather Posted February 28, 2017 Share Posted February 28, 2017 New tornado warning north of Peoria for supercell near Chilicothe. Has the potential to be potent, as it's (mostly) all by itself at the end of the string. Link to comment Share on other sites More sharing options...
andyhb Posted February 28, 2017 Author Share Posted February 28, 2017 Cell north of PIA is looking increasingly problematic as well. Feeding on the enhanced low level vorticity near the front and of course very strong deep layer shear. Link to comment Share on other sites More sharing options...
Hoosier Posted February 28, 2017 Share Posted February 28, 2017 Temps/dews still in the 50s here with that Ottawa cell looking to be heading this way eventually. Will have to see how much more of an increase we may have but still cause for concern. Link to comment Share on other sites More sharing options...
weunice Posted February 28, 2017 Share Posted February 28, 2017 Where I drew the red lines are where warnings or changes in warning text was issued regarding the tornado. They are doing regular updates quite well indicating that the tornado has been on the ground for the majority of that path. Link to comment Share on other sites More sharing options...
Indystorm Posted February 28, 2017 Share Posted February 28, 2017 1 minute ago, Hoosier said: Temps/dews still in the 50s here with that Ottawa cell looking to be heading this way eventually. Will have to see how much more of an increase we may have but still cause for concern. I worry that this situation and ones tonight are those where kinematics outranks thermodynamics. Link to comment Share on other sites More sharing options...
andyhb Posted February 28, 2017 Author Share Posted February 28, 2017 Certainly multiple vortex. Link to comment Share on other sites More sharing options...
janetjanet998 Posted February 28, 2017 Share Posted February 28, 2017 missed morris PRELIMINARY LOCAL STORM REPORT NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL 515 PM CST TUE FEB 28 2017 .TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON .DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE. ..REMARKS.. 0513 PM TORNADO 2 NW MORRIS 41.39N 88.46W 02/28/2017 GRUNDY IL STORM CHASER STORM CHASER REPORTS VERY LARGE TORNADO 2 MILES NORTHWEST OF MORRIS. Link to comment Share on other sites More sharing options...
Natester Posted February 28, 2017 Share Posted February 28, 2017 Possible fatality from the Ottawa tornado. Link to comment Share on other sites More sharing options...
Buckeye05 Posted February 28, 2017 Share Posted February 28, 2017 TDS on CC between Chillicothe and Rome. Link to comment Share on other sites More sharing options...
SouthernNJ Posted February 28, 2017 Share Posted February 28, 2017 Second circulation over Ottawa, not sure it's doing anything, but the storm is hindering responders. Link to comment Share on other sites More sharing options...
janetjanet998 Posted February 28, 2017 Share Posted February 28, 2017 is that 2nd cell on I-80 also tornado warned? it sort of just moved into the old polygon Link to comment Share on other sites More sharing options...
janetjanet998 Posted February 28, 2017 Share Posted February 28, 2017 1 minute ago, Buckeye05 said: TDS on CC between Chillicothe and Rome. can you post close ups? got cousins on the SE side of chillicothe and south Rome Link to comment Share on other sites More sharing options...
SchaumburgStormer Posted February 28, 2017 Share Posted February 28, 2017 Just now, janetjanet998 said: can you post close ups? got cousins on the SE side of chillicothe and south Rome Link to comment Share on other sites More sharing options...
yoda Posted February 28, 2017 Share Posted February 28, 2017 Tornado Warning for the City of Little Rock in AR Link to comment Share on other sites More sharing options...
Buckeye05 Posted February 28, 2017 Share Posted February 28, 2017 1 minute ago, janetjanet998 said: can you post close ups? got cousins on the SE side of chillicothe and south Rome Can't but you can take my word that there was a significant TDS halfway between Chillicithe and Rome. I highly recommend that you get radarscope btw if you don't want to rely on screencaps. Link to comment Share on other sites More sharing options...
Calderon Posted February 28, 2017 Share Posted February 28, 2017 WLS ABC7 Chicago is live. Here is their stream. http://abc7chicago.com/live/ Link to comment Share on other sites More sharing options...
SchaumburgStormer Posted February 28, 2017 Share Posted February 28, 2017 NBC5 reporting that Ottawa police are "inundated" with 911 calls reporting damage. Link to comment Share on other sites More sharing options...
SouthernNJ Posted February 28, 2017 Share Posted February 28, 2017 Big circulation just west of Washburn IL, heading toward the small town of La Rose. Link to comment Share on other sites More sharing options...
yoda Posted February 28, 2017 Share Posted February 28, 2017 Confimed TOR over Washburn moving E at 40mph Link to comment Share on other sites More sharing options...
janetjanet998 Posted February 28, 2017 Share Posted February 28, 2017 ULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LINCOLN IL 528 PM CST TUE FEB 28 2017 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * TORNADO WARNING FOR... NORTHEASTERN WOODFORD COUNTY IN CENTRAL ILLINOIS... SOUTHEASTERN MARSHALL COUNTY IN CENTRAL ILLINOIS... * UNTIL 600 PM CST * AT 528 PM CST, A CONFIRMED TORNADO WAS LOCATED OVER WASHBURN, OR 8 MILES SOUTHEAST OF LACON, MOVING EAST AT 40 MPH. HAZARD...DAMAGING TORNADO AND QUARTER SIZE HAIL. SOURCE...WEATHER SPOTTERS CONFIRMED TORNADO. Link to comment Share on other sites More sharing options...
Calderon Posted February 28, 2017 Share Posted February 28, 2017 Only a SVR warning for Will County, IL. Circulation has likely occluded and has really surged forward and was intense to watch on ABC7 in Morris. Link to comment Share on other sites More sharing options...
andyhb Posted February 28, 2017 Author Share Posted February 28, 2017 Multiple reports of a very large tornado with the Washburn cell. Link to comment Share on other sites More sharing options...
MattPetrulli Posted February 28, 2017 Share Posted February 28, 2017 Friend reporting large tornado near Wenonah Link to comment Share on other sites More sharing options...
yoda Posted February 28, 2017 Share Posted February 28, 2017 Mesoscale Discussion 0221 NWS Storm Prediction Center Norman OK 0528 PM CST Tue Feb 28 2017 Areas affected...Central Arkansas into southeast Missouri Concerning...Tornado Watch 43... Valid 282328Z - 010130Z The severe weather threat for Tornado Watch 43 continues. SUMMARY...The threat for tornadoes may increase over the next few hours across Arkansas into southeastern Missouri, with further development into the lower Ohio Valley and western Tennessee later this evening. DISCUSSION...Multiple clusters of thunderstorms continue to evolve across central Arkansas into southern Missouri across the open warm sector and driven mainly by warm advection in the low levels and lack of substantial capping. Cells over Missouri have shown complex storm structures, with several splits noted on radar. This is not surprising given the mainly straight-line hodograph on the 20Z observed SGF sounding. Also evident steep lapse rates and strong deep-layer shear, which support a severe hail threat. As these storms continue eastward, they will encounter a more unstable and more sheared environment supported by a gradually increasing low-level jet and observed axis of mid 60s dewpoints in place. Therefore, potential for stronger rotation and right-moving tornadic supercells will increase over time. To the south, 850-mb flow is a bit stronger and more backed, with a cluster of cells west of the Little Rock area showing mesocyclones at times, but nothing long-lived thus far. However, the LZK VWP as well as objective analysis indicate 250-300 m2/s2 0-3 km SRH in place, with an upward trend in GPS PW observations as well. The increasing low-level jet will further increase low-level shear this evening, favoring tornadic supercells. Model guidance suggests increasing storm coverage spreading eastward across the lower Ohio Valley and western Tennessee, with a risk of tornadoes this evening. As such, additional tornado watches could be required in those areas. ..Jewell.. 02/28/2017 ATTN...WFO...PAH...MEG...LSX...LZK...SGF...SHV...TSA... Link to comment Share on other sites More sharing options...
janetjanet998 Posted February 28, 2017 Share Posted February 28, 2017 2 minutes ago, Calderon said: Only a SVR warning for Will County, IL. Circulation has likely occluded and has really surged forward and was intense to watch on ABC7 in Morris. what about the one behind it Link to comment Share on other sites More sharing options...
andyhb Posted February 28, 2017 Author Share Posted February 28, 2017 Washburn tornado. Link to comment Share on other sites More sharing options...
SchaumburgStormer Posted February 28, 2017 Share Posted February 28, 2017 Link to comment Share on other sites More sharing options...
Indystorm Posted February 28, 2017 Share Posted February 28, 2017 And I worry our severe warned former Ottawa tornado cell may be cycling as it is approaching Joliet per velocity. Hopefully occlusion has happened. Link to comment Share on other sites More sharing options...
RyanDe680 Posted February 28, 2017 Share Posted February 28, 2017 Izzi on with Tom on WGN Link to comment Share on other sites More sharing options...
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