SouthernNJ Posted June 5, 2014 Share Posted June 5, 2014 Fairly large supercell just southeast of Limon CO. Big hail and possible tornado happening with it. Link to comment Share on other sites More sharing options...
thewxmann Posted June 5, 2014 Share Posted June 5, 2014 Fairly large supercell just southeast of Limon CO. Big hail and possible tornado happening with it. Damage and injuries reported in Hugo, CO with that cell. Unsure if RFD or tornado damage. Link to comment Share on other sites More sharing options...
JasonOH Posted June 5, 2014 Share Posted June 5, 2014 Seems like RFD to me, I saw nothing too major in the CC (coulda missed something) and they had a 111mph wind gust reported. Link to comment Share on other sites More sharing options...
messier77 Posted June 5, 2014 Share Posted June 5, 2014 Been chasing since 6/1. Everything has been outflow dominant, but we have been making the best of the chasecation without much cooperation from the atmosphere. 6/1/2014 - Southwest Kansas ' 6/3/2014 - Central Nebraska 6/4/2014 - Nebraska Panhandle Link to comment Share on other sites More sharing options...
Msalgado Posted June 5, 2014 Share Posted June 5, 2014 Great pictures. Link to comment Share on other sites More sharing options...
Thunder Road Posted June 5, 2014 Share Posted June 5, 2014 After about half an hour pulling my hair out trying (and failing) to get photos to upload, my reports from 6/3: http://www.stormtrack.org/forum/showthread.php?30591-2014-06-03-REPORTS-NE-KS-CO-IA&p=337962#post337962 Link to comment Share on other sites More sharing options...
Thundersnow12 Posted June 5, 2014 Share Posted June 5, 2014 Absolutely amazing bow echo in western KS now with legit supercells in the WAA wing. Link to comment Share on other sites More sharing options...
NaoPos Posted June 5, 2014 Share Posted June 5, 2014 Absolutely amazing bow echo in western KS now with legit supercells in the WAA wing. Been following it closely. My brother is in NW Arkansas @ an outdoor music festival. Trying to keep him updated. He picked a hell of a few days to go. Slight risk each day for the area. Link to comment Share on other sites More sharing options...
Torchageddon Posted June 5, 2014 Share Posted June 5, 2014 Absolutely amazing bow echo in western KS now with legit supercells in the WAA wing. Yeah it is/was a monster back there (birth of a derecho?) producing multiple tornadoes: Been following it closely. My brother is in NW Arkansas @ an outdoor music festival. Trying to keep him updated. He picked a hell of a few days to go. Slight risk each day for the area. It kept building up through the overnight and is racing further to the ESE...is this a derecho in action we're seeing here? Speeding up and holding up. The SVR warnings got more aggressive in wording last hour to bump max gusts to 80 mph from 70 mph. Amazing for early morning! Link to comment Share on other sites More sharing options...
tornadotony Posted June 5, 2014 Share Posted June 5, 2014 Yeah it is/was a monster back there (birth of a derecho?) producing multiple tornadoes: It kept building up through the overnight and is racing further to the ESE...is this a derecho in action we're seeing here? Speeding up and holding up. The SVR warnings got more aggressive in wording last hour to bump max gusts to 80 mph from 70 mph. Amazing for early morning! Very likely an incipient derecho. Link to comment Share on other sites More sharing options...
IsentropicLift Posted June 5, 2014 Share Posted June 5, 2014 Looks like a meso low has formed on the north end of the bow echo. Rotation visible on radar. Looks like Joplin got slammed. Link to comment Share on other sites More sharing options...
IsentropicLift Posted June 5, 2014 Share Posted June 5, 2014 Anyone see the radar estimates out of SW MO? Looks like a small area of 10"+! http://radar.weather.gov/radar.php?product=NTP&rid=SGF&loop=yes Link to comment Share on other sites More sharing options...
Torchageddon Posted June 5, 2014 Share Posted June 5, 2014 MESOSCALE DISCUSSION 0833 NWS STORM PREDICTION CENTER NORMAN OK 0740 AM CDT THU JUN 05 2014 AREAS AFFECTED...EASTERN KS/NORTHEAST OK TO MUCH OF WESTERN/SOUTHERN MO AND NORTHERN AR CONCERNING...SEVERE THUNDERSTORM WATCH 227...228... VALID 051240Z - 051445Z THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 227...228...CONTINUES. SUMMARY...POTENTIALLY WIDESPREAD WIND DAMAGE...IN ADDITION TO SOME SEVERE HAIL...WILL REMAIN A CONCERN THROUGH THE MORNING WITH A MESOSCALE CONVECTIVE SYSTEM MOVING ACROSS EASTERN KS/NORTHEAST OK INTO MUCH OF WESTERN/SOUTHERN MO AND NORTHERN AR. SEVERE THUNDERSTORM WATCHES 227/228 CONTINUE UNTIL 15Z/18Z RESPECTIVELY. CURRENT THINKING IS THAT AN ADDITIONAL WATCH IS LIKELY TO BE NEEDED ACROSS ADDITIONAL PARTS OF SOUTHERN /AND POSSIBLY WESTERN/ MO AND NORTHERN AR. A CATEGORICAL UPGRADE TO MODERATE RISK WILL OCCUR WITH THE 13Z UPDATE. DISCUSSION...A VERY WELL-ORGANIZED SEVERE MCS/BOW ECHO WILL CONTINUE TO SPREAD SOUTHEASTWARD ACROSS SOUTHEAST KS/MUCH OF NORTHEAST OK INTO SOUTHERN MO/NORTHERN AR THIS MORNING. THIS MCS IS ASSOCIATED WITH A NOTABLE SURFACE PRESSURE FALL/RISE COUPLET WHILE THRIVING IN A MOIST/UNSTABLE ENVIRONMENT NEAR/NORTH OF A SURFACE BOUNDARY ACROSS THE REGION. THE MCS IS ALSO LIKELY BE AIDED BY AN MCV/REAR INFLOW JET WITH 50+ KT WINDS AS LOW AS 4KM AGL AS PER THE WICHITA WSR-88D VWP. WARM SECTOR MLCAPE IS AS HIGH AS 2000 J/KG ACROSS NORTHEAST OK/SOUTHWEST MO INTO AR...WHICH WILL BE INCREASINGLY REALIZED AS THE BOUNDARY LAYER WARMS. WITH A RELATIVELY MOISTURE-RICH ENVIRONMENT ALREADY IN PLACE /SURFACE DEWPOINTS NEAR 70 F/...EARLY DAY VISIBLE SATELLITE IMAGERY SHOW THAT THE MCS-PRECEDING AIR MASS WILL INDEED STEADILY HEAT THROUGH THE MORNING FROM FAR EASTERN OK INTO AR/SOUTHERN MO. FARTHER NORTH...AS THE MCS CONTINUES TO UNDERGO AN ASYMMETRIC SQUALL LINE-TYPE EVOLUTION...THE POTENTIAL FOR NORTH-SIDE COMMA HEAD VORTICES CAPABLE OF WIND DAMAGE MAY INCREASE POTENTIALLY AS FAR NORTH AS ROUGHLY THE I-70 CORRIDOR. A 53 KT GUST WAS RECENTLY MEASURED AT SALINA KS AS OF AROUND 1210Z. ADDITIONALLY...WAKE LOW RELATED WINDS TO SEVERE-CALIBER LEVELS MAY BE POSSIBLE IN ACCORDANCE WITH PRONOUNCED PRESSURE FALLS /8-9MB PER 2HR FALLS/ ACROSS CENTRAL KS WITH MCS-TRAILING EASTERLY WINDS. ..GUYER.. 06/05/2014 Didn't see it posted. Moderate risk just for this too. Joplin got a 64 mph gust with some limbs down. Link to comment Share on other sites More sharing options...
tornadotony Posted June 5, 2014 Share Posted June 5, 2014 This derecho's about to really take off. 90kt winds in developing RIJ aloft. Link to comment Share on other sites More sharing options...
Brick Tamland Posted June 5, 2014 Share Posted June 5, 2014 Link to comment Share on other sites More sharing options...
JoMo Posted June 5, 2014 Share Posted June 5, 2014 Well, it got nearly as dark as it got the day of the tornado, pretty scary stuff just from that. A few strong wind gusts, well back in the rain. Probably 60-65 for about 5 mins or so. Link to comment Share on other sites More sharing options...
wxmeddler Posted June 5, 2014 Share Posted June 5, 2014 111mph wind gust measured on a VP2 weather station last night in CO. Also a sypnoptic/mesoscale wind event occurring as a wake low forms behind the MCS across Eastern Kansas. Winds 30 to 40 kt gusts area wide there. Link to comment Share on other sites More sharing options...
Chicago Storm Posted June 5, 2014 Share Posted June 5, 2014 Interesting to see EAX using a STW to cover wake low winds...Usually it's a HWW in that case. Link to comment Share on other sites More sharing options...
jcwxguy Posted June 5, 2014 Share Posted June 5, 2014 0455 AM TSTM WND GST MCPHERSON AIRPORT 38.35N 97.69W06/05/2014 E70.00 MPH MCPHERSON KS LAW ENFORCEMENT LAW ENFORCEMENT ESTIMATING WINDS OF 60 TO 70 MPH. 0455 AM HAIL MCPHERSON 38.37N 97.66W06/05/2014 M3.00 INCH MCPHERSON KS TRAINED SPOTTER TRAINED SPOTTER LOCATED IN THE 1700 BLOCK OF LIMESTONE REPORTING 3.25 INCH HAIL. TIME IS BASED ON RADAR. 0732 AM NON-TSTM WND GST MCPHERSON 38.37N 97.66W06/05/2014 M82.00 MPH MCPHERSON KS MESONET Link to comment Share on other sites More sharing options...
Chinook Posted June 5, 2014 Share Posted June 5, 2014 I kept seeing tornado warnings mentioned on the TV last night. Here's what happened: 6 tornado reports, Bennett, Last Chance, Limon, Hugo, Arriba, and Cheyenne Wells, Colorado edit: image from 0424z, tornado near limon (10:24pm) Link to comment Share on other sites More sharing options...
Chinook Posted June 5, 2014 Share Posted June 5, 2014 13.5 hour radar loop from Tuesday, 1:30pm to 3:00am central time http://www.greatlakes.salsite.com/June_3_2013_OAX_radar_loop_1830_0800.gif Link to comment Share on other sites More sharing options...
Chinook Posted June 5, 2014 Share Posted June 5, 2014 Here's a comp reflectivity and base velocity image from Springfield (centered on Mountain Home AR, West Plains MO). This shows that 6 storm reports occurred in an area where the radar base velocity topped 65 kts in places. Link to comment Share on other sites More sharing options...
NaoPos Posted June 5, 2014 Share Posted June 5, 2014 Really ramping up Attm Tapatalk Link to comment Share on other sites More sharing options...
andyhb Posted June 5, 2014 Author Share Posted June 5, 2014 Reports of extensive damage in the Jonesboro area and widespread power outages, that bow is really cranking. Severe winds apparently lasted >15 minutes. Link to comment Share on other sites More sharing options...
1900hurricane Posted June 5, 2014 Share Posted June 5, 2014 Derecho forecasting is so tough, but so thrilling. As this one exits our region, it looks like it might charge all the way into northern Georgia. Link to comment Share on other sites More sharing options...
Chinook Posted June 5, 2014 Share Posted June 5, 2014 There have been several more reports of wind damage and 70mph wind gusts in western Tennessee, although this storm seems to be moving away from the high shear corridor (less than 30 kts of 0-6km shear.) Link to comment Share on other sites More sharing options...
LocoAko Posted June 5, 2014 Share Posted June 5, 2014 HRRR seems to be pointing toward a pretty decent MCS plowing across Oklahoma tonight. Seems to be forecasting at least pockets of very strong winds, especially just west of OKC metro. Something to watch for, anyway. Link to comment Share on other sites More sharing options...
andyhb Posted June 5, 2014 Author Share Posted June 5, 2014 Tornado reported south of Sioux Falls. Link to comment Share on other sites More sharing options...
Ian Posted June 5, 2014 Share Posted June 5, 2014 Tor watch in a see text 0% area. Nice. Link to comment Share on other sites More sharing options...
brettjrob Posted June 5, 2014 Share Posted June 5, 2014 HRRR seems to be pointing toward a pretty decent MCS plowing across Oklahoma tonight. Seems to be forecasting at least pockets of very strong winds, especially just west of OKC metro. Something to watch for, anyway. Last few runs are locking onto this solution, at least for now. Finally seeing a few supercells off the Front Range in S CO that may represent the humble beginning of a large complex overnight. Link to comment Share on other sites More sharing options...
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