thewxmann Posted May 7, 2015 Share Posted May 7, 2015 Many of these storms seem to be having some outflow issues, each RFD surge undercuts the meso pretty quickly after the tornado touches down. EDIT: talking about the past hour or so in OK/S KS only Link to comment Share on other sites More sharing options...
Stebo Posted May 7, 2015 Share Posted May 7, 2015 Not to take away from the tornado potential, but there is going to be some incredible flash flooding between OKC and Norman. Link to comment Share on other sites More sharing options...
SmokeEater Posted May 7, 2015 Share Posted May 7, 2015 Chasers having a hard time moving now due to the flash flooding. At least the ones in News 9. Link to comment Share on other sites More sharing options...
SmokeEater Posted May 7, 2015 Share Posted May 7, 2015 MESOSCALE DISCUSSION 0527 NWS STORM PREDICTION CENTER NORMAN OK 0808 PM CDT WED MAY 06 2015 AREAS AFFECTED...WRN AND CENTRAL OK/WRN N TX CONCERNING...TORNADO WATCH 133... VALID 070108Z - 070215Z THE SEVERE WEATHER THREAT FOR TORNADO WATCH 133 CONTINUES. SUMMARY...SCATTERED SEVERE/SUPERCELL STORMS CONTINUE ACROSS PARTS OF WW 133 -- WHERE ALL-HAZARD SEVERE RISK PERSISTS. DISCUSSION...SEVERAL SEVERE/SUPERCELL STORMS ARE ONGOING ATTM FROM CENTRAL KS SWD INTO THE TX SOUTH PLAINS...IN AT LEAST THREE CLUSTERS -- ONE OVER NRN OK...ONE OVER CENTRAL OK...AND A THIRD OVER SWRN OK/WRN N TX. STORM COVERAGE HAS GRADUALLY INCREASED -- PARTICULARLY OVER SRN PORTIONS OF THE WW AS THE LOW-LEVEL JET AND ASSOCIATED ASCENT/WARM ADVECTION INCREASE. ATTM...IT APPEARS THAT SEVERE RISK -- MAINLY IN THE FORM OF LARGE HAIL AND LOCALLY DAMAGING WINDS -- MAY CONTINUE FOR AT LEAST THE NEXT FEW HOURS...GIVEN A BACKGROUND ENVIRONMENT WHICH REMAINS SUPPORTIVE FOR SUPERCELLS. WHILE TENDENCY MAY BE FOR CLUSTERING/MESSIER STORM MODE WITH TIME -- AND AN INCREASE IN RISK FOR LOCALLY HEAVY RAIN...SEVERE/ISOLATED TORNADO POTENTIAL LIKELY TO PERSIST BEYOND 02Z /THE SCHEDULED EXPIRATION FOR WW 133/ SUGGESTS THAT A NEW WW FOR AT LEAST PARTS OF THIS AREA WILL BE NEEDED. ..GOSS.. 05/07/2015 Link to comment Share on other sites More sharing options...
andyhb Posted May 7, 2015 Share Posted May 7, 2015 This has become one of the more prolific Plains tornado outbreaks in recent years, a lot of areas along the dryline have seen tornadic supercells today, with concentrations in N KS/S NE and the OKC metro. Tornado warning In Archer County, TX now too, and the inflow into the Tuttle cell is amazing. Link to comment Share on other sites More sharing options...
Ground Scouring Posted May 7, 2015 Share Posted May 7, 2015 Many of these storms seem to be having some outflow issues, each RFD surge undercuts the meso pretty quickly after the tornado touches down. EDIT: talking about the past hour or so in OK/S KS only Pardon my question, but with such favorable thermodynamics in place, why are the storms near OKC outflow-dominant? Link to comment Share on other sites More sharing options...
andyhb Posted May 7, 2015 Share Posted May 7, 2015 Pardon my question, but with such favorable thermodynamics in place, why are the storms near OKC outflow-dominant? Because a lot of them are quite high precip. Precip loading of the RFD often allows them to cut off the inflow more efficiently. Link to comment Share on other sites More sharing options...
thewxmann Posted May 7, 2015 Share Posted May 7, 2015 Because a lot of them are quite high precip. Precip loading of the RFD often allows them to cut off the inflow more efficiently. Yeah, H5 flow is slowing decreasing. The lack of stronger deep layer shear has probably the saving grace for OKC metro (so far). Link to comment Share on other sites More sharing options...
rolltide_130 Posted May 7, 2015 Share Posted May 7, 2015 There's a healthy TOR warned cell back in SW Texas as well. Decent rotation with that one too. Link to comment Share on other sites More sharing options...
andyhb Posted May 7, 2015 Share Posted May 7, 2015 Yeah, H5 flow is slowing decreasing. The lack of stronger deep layer shear has probably the saving grace for OKC metro (so far). Well the storms have largely gone south of the OKC proper. Also...tempting fate. Link to comment Share on other sites More sharing options...
Chinook Posted May 7, 2015 Share Posted May 7, 2015 My level 2 data feed is now 32 minutes old, but level 3 data feed is up to the minute. Channel 9 said that OKC (Will Rogers) had 3" in 3 hours!! Link to comment Share on other sites More sharing options...
thewxmann Posted May 7, 2015 Share Posted May 7, 2015 Well the storms have largely gone south of the OKC proper. Also...tempting fate. Added the so far so hopefully I didn't tempt it too much Tuttle storm really wrapping up now, let's see what this RFD surge does. Link to comment Share on other sites More sharing options...
Stebo Posted May 7, 2015 Share Posted May 7, 2015 KOKC 070052Z 28031G39KT 1/4SM R35R/3000VP6000FT +TSGSRA FG BKN014 OVC020CB 18/17 A2976 RMK AO2 PK WND 31039/0048 WSHFT 2350 GSB2358E32B52GRB32E52 SLP069 CONS LTGCGICCC OHD-ALQDS TS OHD-ALQDS MOV NE GR 1 P0304 T01830167 1" hail and 3.04" of rain in OKC's last ob. Link to comment Share on other sites More sharing options...
NorthArlington101 Posted May 7, 2015 Share Posted May 7, 2015 Not loving the look of this... Link to comment Share on other sites More sharing options...
Chinook Posted May 7, 2015 Share Posted May 7, 2015 Tuttle OK may have had 10-13" of rain in 24-36 hours. Link to comment Share on other sites More sharing options...
Hvward Posted May 7, 2015 Share Posted May 7, 2015 +100 knots in 2 spots on velocity now. Possible multiple vortices in the near future somewhere around Bridge Creek. Link to comment Share on other sites More sharing options...
Superstorm93 Posted May 7, 2015 Share Posted May 7, 2015 Tornadic HP supercell east of Haskell Link to comment Share on other sites More sharing options...
MidwestChaser Posted May 7, 2015 Share Posted May 7, 2015 TDS Link to comment Share on other sites More sharing options...
rolltide_130 Posted May 7, 2015 Share Posted May 7, 2015 Tornadic HP supercell east of Haskell Looks like a TDS on that one. Link to comment Share on other sites More sharing options...
Superstorm93 Posted May 7, 2015 Share Posted May 7, 2015 Wow...80 mph RFD right near that TDS Link to comment Share on other sites More sharing options...
Superstorm93 Posted May 7, 2015 Share Posted May 7, 2015 Mexican supercell Link to comment Share on other sites More sharing options...
Natester Posted May 7, 2015 Share Posted May 7, 2015 Mexican supercell Too bad nobody is on that... Link to comment Share on other sites More sharing options...
andyhb Posted May 7, 2015 Share Posted May 7, 2015 This may have been the strongest tornado of the day near Scandia, KS (via Phillip Lueking). https://twitter.com/severestudios/status/596125215718944768 Link to comment Share on other sites More sharing options...
rolltide_130 Posted May 7, 2015 Share Posted May 7, 2015 Tornado warning for the Lincoln Metro now as well. Link to comment Share on other sites More sharing options...
1900hurricane Posted May 7, 2015 Share Posted May 7, 2015 I'm thinking the main threat in the OKC area as of now is flooding. That cell/cluster could still drop tornadoes like it has, but the ones it has been dropping recently have been weak and very brief, and I don't see that changing for the most part. The Kansas cells have still been fairly impressive to me wrt tornado potential though (*EDIT: and even those have been waining the last few scans). Link to comment Share on other sites More sharing options...
Chinook Posted May 7, 2015 Share Posted May 7, 2015 rotation increasing rapidly at Valley Brook/South OKC. There seems to be a TDS on the correlation field. Link to comment Share on other sites More sharing options...
Chicago Storm Posted May 7, 2015 Share Posted May 7, 2015 TDS over Valley Brook, OK. Link to comment Share on other sites More sharing options...
Hvward Posted May 7, 2015 Share Posted May 7, 2015 Link to comment Share on other sites More sharing options...
CoastalWx Posted May 7, 2015 Share Posted May 7, 2015 That popped out of nowhere..right in the middle of that mess. Link to comment Share on other sites More sharing options...
huronicane Posted May 7, 2015 Share Posted May 7, 2015 Significant rotation over I35 right now Link to comment Share on other sites More sharing options...
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