JasonOH Posted April 29, 2017 Share Posted April 29, 2017 Doesn't look look like it should be too long lived. It is right near the radar which helps resolution a lot. Link to comment Share on other sites More sharing options...
yoda Posted April 29, 2017 Share Posted April 29, 2017 Severe Weather Statement National Weather Service Tulsa OK 1046 PM CDT FRI APR 28 2017 ARC131-OKC079-135-290400- /O.CON.KTSA.TO.W.0012.000000T0000Z-170429T0400Z/ Sebastian AR-Sequoyah OK-Le Flore OK- 1046 PM CDT FRI APR 28 2017 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR NORTHWESTERN SEBASTIAN...SOUTHEASTERN SEQUOYAH AND NORTHEASTERN LE FLORE COUNTIES... At 1045 PM CDT, a confirmed large and extremely dangerous tornado was located 3 miles north of Cameron, moving north at 30 mph. This is a PARTICULARLY DANGEROUS SITUATION. TAKE COVER NOW! HAZARD...Damaging tornado. SOURCE...Radar 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. Locations in or near the path include... Fort Smith... Poteau... Greenwood... Barling... Pocola... Spiro... Arkoma... Panama... Hackett... Bonanza... Cameron... Moffett... Excelsior... Jenny Lind... Shady Point... Rock Island... Scullyville... Braden... Mill Creek... Rye Hill... This includes Interstate 540 between mile markers 9 and 14. Link to comment Share on other sites More sharing options...
jojo762 Posted April 29, 2017 Share Posted April 29, 2017 Rotation has weakened now and lost the debris ball. But wouldn't be surprised to see it cycle. Link to comment Share on other sites More sharing options...
MattPetrulli Posted April 29, 2017 Share Posted April 29, 2017 Cycling at the wrong time.. Link to comment Share on other sites More sharing options...
FSMweather Posted April 29, 2017 Share Posted April 29, 2017 golf ball hail here Link to comment Share on other sites More sharing options...
jojo762 Posted April 29, 2017 Share Posted April 29, 2017 The National Weather Service in Tulsa has issued a * Tornado Warning for... Northwestern Sebastian County in west central Arkansas... Southwestern Crawford County in northwestern Arkansas... Southeastern Sequoyah County in east central Oklahoma... Northeastern Le Flore County in southeastern Oklahoma... * Until 1145 PM CDT * At 1057 PM CDT, a severe thunderstorm with strong low level rotation that could produce a tornado at any time was located over Bonanza, moving northeast at 35 mph. HAZARD...Tornado and tennis 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. * Locations in or near the path include... Fort Smith... Van Buren... Cedarville... Mountainburg... Alma... Barling... Pocola... Lavaca... Spiro... Arkoma... Mulberry... Dyer... Hackett... Bonanza... Moffett... Rudy... Figure Five... Jenny Lind... Kibler... Central City... This includes the following highways, Interstate 40 in Arkansas between mile markers 0 and 22. Interstate 40 in Oklahoma between mile markers 327 and 328. Interstate 540 between mile markers 1 and 14. Interstate 49 between mile markers 22 and 30. Link to comment Share on other sites More sharing options...
MattPetrulli Posted April 29, 2017 Share Posted April 29, 2017 Oh boy.... Link to comment Share on other sites More sharing options...
Amped Posted April 29, 2017 Share Posted April 29, 2017 Looks like it maybe trying to reform further west. Link to comment Share on other sites More sharing options...
MUWX Posted April 29, 2017 Share Posted April 29, 2017 1 minute ago, Amped said: Looks like it maybe trying to reform further west. Radar looks better further west, not much on velocities yet. Link to comment Share on other sites More sharing options...
jojo762 Posted April 29, 2017 Share Posted April 29, 2017 Also need to watch the storm forming on the original one's flank... Trying to form a hook/inflow-notch. Link to comment Share on other sites More sharing options...
Quincy Posted April 29, 2017 Share Posted April 29, 2017 It's pretty clear the kinematic environment near the warm front in the Fort Smith vicinity is highly favorable for tornadoes. Link to comment Share on other sites More sharing options...
jojo762 Posted April 29, 2017 Share Posted April 29, 2017 Mesoscale Discussion 0584 NWS Storm Prediction Center Norman OK 1049 PM CDT Fri Apr 28 2017 Areas affected...Portions of northern/western AR Concerning...Severe Thunderstorm Watch 172... Valid 290349Z - 290445Z The severe weather threat for Severe Thunderstorm Watch 172 continues. SUMMARY...A small part of northern/western AR is being monitored for possible Tornado Watch issuance. DISCUSSION...A small part of Watch 172 and vicinity is being considered for possible Tornado Watch issuance. A supercell approaching the Fort Smith area has shown signs of possible tornado development. This activity is ingesting near-surface-based inflow along a frontal zone extending eastward across parts of northern AR. The air mass south of this boundary is very moist, supporting 2000-3000 J/kg MLCAPE. Long/looping hodographs could support conditional tornado potential if discrete supercell structures were to be maintained along the frontal zone. There is uncertainty regarding this notion -- especially given some potential for storm motion to be slightly directed to the north of the boundary -- though some tornado risk may exist during the next few hours. ..Cohen/Thompson.. 04/29/2017 Link to comment Share on other sites More sharing options...
Quincy Posted April 29, 2017 Share Posted April 29, 2017 Complex setup with cells crossing the boundary at a large angle, but with the LLJ driving a moist, unstable airmass northward at the same time. Agree with SPC that the setup may remain favorable in the near-term, but probably not much beyond 06-07z as storms outrun sizable surface-based buoyancy and ingest less favorable boundary layer air with time. Link to comment Share on other sites More sharing options...
Chinook Posted April 29, 2017 Share Posted April 29, 2017 So, do you think a tornado tracked from Poteau, OK to Cameron, OK? I am not sure, but it was a narrow rotation. Strong rotation now near Gainesville, MO Link to comment Share on other sites More sharing options...
Amped Posted April 29, 2017 Share Posted April 29, 2017 The stray odd looking cell NW of OKC is finally starting to merge with the line. Didn't produce a tornado but it was cool to watch. It just looked like red ball floating in a river. Link to comment Share on other sites More sharing options...
jojo762 Posted April 29, 2017 Share Posted April 29, 2017 8 minutes ago, Chinook said: So, do you think a tornado tracked from Poteau, OK to Cameron, OK? I am not sure, but it was a narrow rotation. Strong rotation now near Gainesville, MO Almost certainly. Significant CC drop coincided with relatively strong TVS & it had a 65dbz debris ball. Link to comment Share on other sites More sharing options...
JoJo Posted April 29, 2017 Share Posted April 29, 2017 10 minutes ago, Chinook said: So, do you think a tornado tracked from Poteau, OK to Cameron, OK? I am not sure, but it was a narrow rotation. Strong rotation now near Gainesville, MO Wouldn't be surprised if there were isolated significant damage from the tornado little bit ago near Cameron OK area. Could have been a fairly significant tornado Link to comment Share on other sites More sharing options...
Stebo Posted April 29, 2017 Share Posted April 29, 2017 42 minutes ago, JoJo said: Wouldn't be surprised if there were isolated significant damage from the tornado little bit ago near Cameron OK area. Could have been a fairly significant tornado With the debris ball and the CC deficit on radar it surely hit something, question is a farm, any other building or forest and woods. Link to comment Share on other sites More sharing options...
SluggerWx Posted April 29, 2017 Share Posted April 29, 2017 Looks like a pretty strong couplet north of Fayetteville... not sure why it's unwarned.Sent from my Pixel XL using Tapatalk Link to comment Share on other sites More sharing options...
Stebo Posted April 29, 2017 Share Posted April 29, 2017 Pretty powerful supercell west of El Reno warned for tennis ball hail. Link to comment Share on other sites More sharing options...
Stebo Posted April 29, 2017 Share Posted April 29, 2017 Same for the one southwest of it, that one should move toward OKC in the next couple of hours. Link to comment Share on other sites More sharing options...
aurora Posted April 29, 2017 Share Posted April 29, 2017 9 minutes ago, Stebo said: Same for the one southwest of it, that one should move toward OKC in the next couple of hours. Wondering if this is going to be like last Friday, where eventually all of these cells merge into a forward-propagating MCS that smokes the Metro. Only this time, it would be a couple hours before sunrise rather than a couple hours after. Link to comment Share on other sites More sharing options...
Stebo Posted April 29, 2017 Share Posted April 29, 2017 Just now, aurora said: Wondering if this is going to be like last Friday, where eventually all of these cells merge into a forward-propagating MCS that smokes the Metro. Only this time, it would be a couple hours before sunrise rather than a couple hours after. Eventually that will happen, but these cells are getting pretty close to OKC so, it might happen east of the city at this rate. Link to comment Share on other sites More sharing options...
1900hurricane Posted April 29, 2017 Share Posted April 29, 2017 I'm targeting Corsicana or Athens today, hoping to catch a discrete storm before the inevitable line out. CAMs are only so-so, but it's close enough to me to where it might be worth the risk. Right on cue, convection is firing in ESE Texas, and hopefully the mesohigh from their outflow can back the surface winds a little extra over east Texas this afternoon. Link to comment Share on other sites More sharing options...
JoMo Posted April 29, 2017 Share Posted April 29, 2017 Flash Flood emergencies to my south. Already 8 inches of rain and still pouring down there.... Link to comment Share on other sites More sharing options...
Indystorm Posted April 29, 2017 Share Posted April 29, 2017 10 minutes ago, JoMo said: Flash Flood emergencies to my south. Already 8 inches of rain and still pouring down there.... Saw that warning. Rivers and streams in the bluffs around Noel in that area are experiencing rapid rises. Link to comment Share on other sites More sharing options...
cheese007 Posted April 29, 2017 Share Posted April 29, 2017 Saw the ENH westward extent was trimmed Link to comment Share on other sites More sharing options...
Calderon Posted April 29, 2017 Share Posted April 29, 2017 Still waiting on initiation here in Dallas, but man, these gradient winds are kicking today. Gusts up to 45mph are common with no Wind Advisory hoisted. Link to comment Share on other sites More sharing options...
Jim Martin Posted April 29, 2017 Share Posted April 29, 2017 Early afternoon SPC Mesoanalysis still showing SBCIN still across east TX/west LA. Link to comment Share on other sites More sharing options...
bubba hotep Posted April 29, 2017 Share Posted April 29, 2017 34 minutes ago, Calderon said: Still waiting on initiation here in Dallas, but man, these gradient winds are kicking today. Gusts up to 45mph are common with no Wind Advisory hoisted. Yea, was thinking that the wind is kicking up today more than on some recent wind advisory days Link to comment Share on other sites More sharing options...
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