Derecho! Posted May 20, 2013 Share Posted May 20, 2013 It's interesting that the CNN front page is hyping today's threat. Link to comment Share on other sites More sharing options...
SmokeEater Posted May 20, 2013 Author Share Posted May 20, 2013 URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 190 NWS STORM PREDICTION CENTER NORMAN OK 1245 PM CDT MON MAY 20 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF SOUTHEASTERN KANSAS WESTERN AND CENTRAL MISSOURI * EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 1245 PM UNTIL 1000 PM CDT. * PRIMARY THREATS INCLUDE... SEVERAL TORNADOES POSSIBLE NUMEROUS DAMAGING WIND GUSTS TO 70 MPH LIKELY SEVERAL LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL EVENTS TO 2.5 INCHES IN DIAMETER POSSIBLE THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH NORTHEAST OF COLUMBIA MISSOURI TO 45 MILES WEST SOUTHWEST OF JOPLIN MISSOURI. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. && OTHER WATCH INFORMATION...CONTINUE...WW 189... DISCUSSION...SEVERE THUNDERSTORMS ARE EXPECTED TO DEVELOP ALONG A SURFACE COLD FRONT AND REMNANT OUTFLOW BOUNDARY ACROSS THE WATCH AREA DURING THE NEXT FEW HOURS...BEFORE CONGEALING INTO ONE OR MORE ORGANIZED CLUSTERS LATER THIS AFTERNOON. BEFORE UPSCALE GROWTH OCCURS...A FEW SUPERCELLS ARE POSSIBLE...ACCOMPANIED BY A RISK FOR TORNADOES...IN ADDITION TO LARGE HAIL. THEREAFTER...DAMAGING WIND GUSTS MAY BECOME THE MORE PROMINENT THREAT. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24040. ...KERR Link to comment Share on other sites More sharing options...
KSWx Posted May 20, 2013 Share Posted May 20, 2013 It's interesting that the CNN front page is hyping today's threat. Wouldn't be that way if all of the tors yesterday hit rural unpopulated areas. Tragedy sells. Link to comment Share on other sites More sharing options...
NaoPos Posted May 20, 2013 Share Posted May 20, 2013 The gulf is wide open: http://www.meteo.psu.edu/~fxg1/SAT_SC/anim8vis.html Link to comment Share on other sites More sharing options...
SmokeEater Posted May 20, 2013 Author Share Posted May 20, 2013 From OUN, 1250pm - First signs of storm development showing up on radar southeast of Lawton. Link to comment Share on other sites More sharing options...
cyclone77 Posted May 20, 2013 Share Posted May 20, 2013 East of Parsons KS heading west. Tor probs up here aren't as good as down in OK but hoping to get something before they organize into clusters. Would have liked to have made it down to central OK but just don't have time. Link to comment Share on other sites More sharing options...
Ensō Posted May 20, 2013 Share Posted May 20, 2013 Wouldn't be that way if all of the tors yesterday hit rural unpopulated areas. Tragedy sells. Exactly. Never miss an opportunity to exploit tragedy. Link to comment Share on other sites More sharing options...
SmokeEater Posted May 20, 2013 Author Share Posted May 20, 2013 URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 191 NWS STORM PREDICTION CENTER NORMAN OK 110 PM CDT MON MAY 20 2013 THE NWS STORM PREDICTION CENTER HAS ISSUED A * TORNADO WATCH FOR PORTIONS OF NORTHWEST ARKANSAS CENTRAL AND EASTERN OKLAHOMA NORTHWEST TEXAS * EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 110 PM UNTIL 1000 PM CDT. * PRIMARY THREATS INCLUDE... SEVERAL TORNADOES POSSIBLE NUMEROUS LARGE HAIL EVENTS LIKELY WITH A FEW VERY LARGE HAIL EVENTS TO 4 INCHES IN DIAMETER POSSIBLE NUMEROUS DAMAGING WIND GUSTS TO 70 MPH LIKELY THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE MILES EAST AND WEST OF A LINE FROM 30 MILES NORTHWEST OF GROVE OKLAHOMA TO 40 MILES EAST OF WICHITA FALLS TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1). PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. && OTHER WATCH INFORMATION...CONTINUE...WW 189...WW 190... DISCUSSION...RAPID INTENSE STORM DEVELOPMENT IS EXPECTED DURING THE NEXT FEW HOURS...BOTH NEAR A STALLED SURFACE FRONT ROUGHLY WEST OF THE I-35 CORRIDOR...AND NEAR THE PRE-FRONTAL DRYLINE NOSING NORTHEASTWARD INTO SOUTH CENTRAL OKLAHOMA BY LATE AFTERNOON. ISOLATED SUPERCELLS ARE LIKELY ALONG THE DRYLINE...WITH THE MOST PROMINENT TORNADO THREAT...WHICH PROBABLY WILL INCREASE BY EARLY EVENING AS THE SOUTHERLY LOW-LEVEL JET STRENGTHENS AND ENLARGES LOW-LEVEL HODOGRAPHS. ONE OR TWO STRONG TORNADOES MAY NOT BE OUT OF THE QUESTION. OTHERWISE...LARGE HAIL IS LIKELY...SOME VERY LARGE... WITH INCREASING DAMAGING WIND POTENTIAL ACROSS EASTERN OKLAHOMA AS CONVECTION CONSOLIDATES AND EVOLVES INTO AN ORGANIZED CLUSTER. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 600. MEAN STORM MOTION VECTOR 25035. ...KERR Link to comment Share on other sites More sharing options...
Ed Lizard Posted May 20, 2013 Share Posted May 20, 2013 Norman says they have been watching the special balloon launch data and there is still a cap in place across much of central OK but its not very strong and very breakable. Based on this and all hi-res models, they believe storms will begin to initiate in the next hour or so. Link to comment Share on other sites More sharing options...
Bostonseminole Posted May 20, 2013 Share Posted May 20, 2013 From OUN, 1250pm - First signs of storm development showing up on radar southeast of Lawton. That storm is intesifying, you can also see chasers moving in quickly on chaserTv Link to comment Share on other sites More sharing options...
SmokeEater Posted May 20, 2013 Author Share Posted May 20, 2013 Another watch coming for a big area of TX. MESOSCALE DISCUSSION 0727 NWS STORM PREDICTION CENTER NORMAN OK 0119 PM CDT MON MAY 20 2013 AREAS AFFECTED...CNTRL TX CONCERNING...SEVERE POTENTIAL...WATCH LIKELY VALID 201819Z - 202015Z PROBABILITY OF WATCH ISSUANCE...95 PERCENT SUMMARY...A FEW SUPERCELLS ARE EXPECTED TO FORM ALONG THE DRYLINE LATER THIS AFTERNOON...WITH VERY LARGE HAIL LIKELY. AN ISOLATED TORNADO IS POSSIBLE. A WATCH IS LIKELY BEFORE 20Z. DISCUSSION...STRONG HEATING PERSISTS ACROSS CNTRL/WRN TX WITH VERY STRONG INSTABILITY IN PLACE E OF THE DRYLINE. VISIBLE IMAGERY SHOWS TCU INCREASING OVER THROCKMORTON AND YOUNG COUNTIES...WITH ADDITIONAL CU SW OF SEP. ALTHOUGH WELL S OF THE JET...DEEP LAYER SHEAR VALUES AND OVERALL HODOGRAPH LENGTH WITH INCREASING UPPER LEVEL WINDS WILL BE MORE THAN SUFFICIENT FOR SUPERCELLS. AMPLE MOISTURE AND COLD PROFILES ALOFT WILL RESULT IN VERY LARGE DAMAGING HAIL. THIS EVENING...CAPPING WILL INHIBIT EWD PROGRESSION OF THESE CELLS...LIKELY DYING CLOSE TO I-35 BY 03Z. ..JEWELL/KERR.. 05/20/2013 Link to comment Share on other sites More sharing options...
Chicago Storm Posted May 20, 2013 Share Posted May 20, 2013 In Norman now, going to caravan south with others here in a bit. Link to comment Share on other sites More sharing options...
Buckeye05 Posted May 20, 2013 Share Posted May 20, 2013 Hail core near Rush Springs now. Wow that was fast. Link to comment Share on other sites More sharing options...
SmokeEater Posted May 20, 2013 Author Share Posted May 20, 2013 AREA FORECAST DISCUSSIONNATIONAL WEATHER SERVICE NORMAN OK152 PM CDT MON MAY 20 2013.DISCUSSION......SEVERE THUNDERSTORMS EXPECTED THIS AFTERNOON AND EVENING ACROSSMUCH OF OKLAHOMA AND WESTERN NORTH TEXAS...RAPID THUNDERSTORM DEVELOPMENT IS EXPECTED OVER THE NEXT HOUR ORTWO ALONG THE DRYLINE AND STATIONARY BOUNDARY. THIS WILL MAINLYBE ALONG I44 FROM OKC SOUTHWARD...AND ALONG AND EAST OF I35 NORTHOF OKC. RETURNS ALREADY BEING OBSERVED EAST OF LAWTON. MOSTRECENT MESOANALYSIS AND 18Z SOUNDING SUGGEST VERY LARGE HAIL ANDTHE POSSIBILITY OF TORNADOES ESPECIALLY JUST SOUTH/SW OF METRO NEOF TRIPLE POINT. STORMS SHOULD REMAIN DISCRETE UNTIL LATERTONIGHT...PERHAPS MERGING ACROSS SOUTH CENTRAL/EAST CENTRAL OKPRODUCING VERY HEAVY RAINFALL...HAIL...AND THE THREAT OF DAMAGINGWINDS ACROSS SE OK. ANOTHER ROUND OF ELEVATED CONVECTION MAY BEPOSSIBLE VERY LATE TONIGHT THROUGH EARLY TOMORROW MORNING ASSHORTWAVE TROUGH IMPACTS THE AREA. COOLER TEMPS ARE EXPECTEDTOMORROW WITH THUNDERSTORMS CONTINUING PERHAPS THROUGH THE DAYACROSS SE OK. Link to comment Share on other sites More sharing options...
Ian Posted May 20, 2013 Share Posted May 20, 2013 We are closing in onthe southern warned cell in S oK Link to comment Share on other sites More sharing options...
snowfan Posted May 20, 2013 Share Posted May 20, 2013 Both cells east of Lawton are now severe warned. That didn't take long at all. Link to comment Share on other sites More sharing options...
Brick Tamland Posted May 20, 2013 Share Posted May 20, 2013 Looking interesting on this chaser cam. http://content.wdtinc.com/popout/index.php?M=14613&C=20643&O=10090 Link to comment Share on other sites More sharing options...
SnowGoose69 Posted May 20, 2013 Share Posted May 20, 2013 Southern warned cell definitely the one to be on now, northern one could either get merged in and or be inhibited by the one to the south Link to comment Share on other sites More sharing options...
andyhb Posted May 20, 2013 Share Posted May 20, 2013 Latest observations from Gainesville, OKC, ADH, etc. certainly indicates localized sfc backing (or at least maintenance of southerly sfc winds, as indicated in the OUN sounding) taking place. Link to comment Share on other sites More sharing options...
Chicago Storm Posted May 20, 2013 Share Posted May 20, 2013 Going to play the Bradley cell. Link to comment Share on other sites More sharing options...
tornadotony Posted May 20, 2013 Share Posted May 20, 2013 Very intense mid-level rotation on the cell moving into the OKC metro. Link to comment Share on other sites More sharing options...
Chinook Posted May 20, 2013 Share Posted May 20, 2013 When was the last time we had 4 moderate risk days in a row? I can't remember any, other than maybe April 2011. Link to comment Share on other sites More sharing options...
Ensō Posted May 20, 2013 Share Posted May 20, 2013 When was the last time we had 4 moderate risk days in a row? I can't remember any, other than maybe April 2011. May 22-25, 2011. April 25-27 were all MDT or HIGH, but the 28th was a SLGT. Link to comment Share on other sites More sharing options...
Eskimo Joe Posted May 20, 2013 Share Posted May 20, 2013 Impressive dry line in Oklahoma right now. Dewpoint goes from mid 70s to upper 40s within 30 miles. Link to comment Share on other sites More sharing options...
Thrasher Fan Posted May 20, 2013 Share Posted May 20, 2013 news 9 in OKC already broadcasting. http://www.news9.com/category/264385/david-payne-pop-up-player Link to comment Share on other sites More sharing options...
Brick Tamland Posted May 20, 2013 Share Posted May 20, 2013 What's the best local news coverage in OK to watch? Link to comment Share on other sites More sharing options...
andyhb Posted May 20, 2013 Share Posted May 20, 2013 What's the best local news coverage in OK to watch? The link that Thrasher Fan posted. Link to comment Share on other sites More sharing options...
a5ehren Posted May 20, 2013 Share Posted May 20, 2013 Looks like KTLX is just putting a SVR on everything that pops up, heh. Probably warranted today, but still fun to see on the radar. Link to comment Share on other sites More sharing options...
Srain Posted May 20, 2013 Share Posted May 20, 2013 Tornado Watch issued for N Central Texas until 10:00 PM CDT Link to comment Share on other sites More sharing options...
SmokeEater Posted May 20, 2013 Author Share Posted May 20, 2013 What's the best local news coverage in OK to watch? Definitely News9, KFOR's got Reed and the Dominator, but between him and Mike Morgan, they give you a headache in about 1.2 seconds. Link to comment Share on other sites More sharing options...
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