Tornado and Severe Weather Outbreak May 18-20

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Texas Snowman
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Re: High Risk / PDS Tornado Watch 5-19

#141 Postby Texas Snowman » Wed May 19, 2010 6:56 pm

KFOR storm spotter finally got good position and said he saw a ragged funnel over Stillwater, maybe the remnants of whatever had been previously spotted.

And now they say TORNADO WARNING NORMAN!!!!
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#142 Postby wx247 » Wed May 19, 2010 7:03 pm

All of these tornado warned cells are moving in different directions... quite confusing for the meteorologists to keep straight I am sure.
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Re: High Risk / PDS Tornado Watch 5-19

#143 Postby Texas Snowman » Wed May 19, 2010 7:04 pm

KFOR TV met: Powerful circulation, deep circulation beginning to ramp up on the storm heading towards Norman.

Also, noticing storms beginning to pop quickly along the dry line near Wichita Falls and Lawton. Those could be trouble...
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Re: High Risk / PDS Tornado Watch 5-19

#144 Postby Texas Snowman » Wed May 19, 2010 7:08 pm

KFOR TV met (sorry, don't know his name) says jet stream energy arriving and fueling this outbreak.

It does seem that these storms are ramping up quickly...
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#145 Postby CrazyC83 » Wed May 19, 2010 7:09 pm

Developing tornado confirmed by spotters at I-40 and Choctaw Road, that is where they were devastated on May 10...
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Re: High Risk / PDS Tornado Watch 5-19

#146 Postby KWT » Wed May 19, 2010 7:11 pm

Texas Snowman wrote:KFOR TV met (sorry, don't know his name) says jet stream energy arriving and fueling this outbreak.

It does seem that these storms are ramping up quickly...


Yep the LLJ is coming in and is certainly not helping the situation thats for sure!
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Re: High Risk / PDS Tornado Watch 5-19

#147 Postby thetruesms » Wed May 19, 2010 7:21 pm

Texas Snowman wrote:KFOR TV met (sorry, don't know his name) says jet stream energy arriving and fueling this outbreak.

It does seem that these storms are ramping up quickly...
If it's Mike Morgan, Image

If it's Troy Christensen, Image
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#148 Postby wx247 » Wed May 19, 2010 7:24 pm

Tor Warning now out for Tulsa...

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TULSA OK
722 PM CDT WED MAY 19 2010

THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A

* TORNADO WARNING FOR...
CENTRAL CREEK COUNTY IN NORTHEAST OKLAHOMA
NORTHERN OKMULGEE COUNTY IN NORTHEAST OKLAHOMA
TULSA COUNTY IN NORTHEAST OKLAHOMA
SOUTHWESTERN WAGONER COUNTY IN NORTHEAST OKLAHOMA

* UNTIL 815 PM CDT

* AT 718 PM CDT...SEVERE THUNDERSTORMS CAPABLE OF PRODUCING
TORNADOS WAS LOCATED NEAR 8 MILES WEST OF DEPEW AND NEAR
BRISTOW...MOVING NORTHEAST AT 25 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
BIXBY...BRISTOW...DEPEW...GLENPOOL...JENKS...KELLYVILLE...KIEFER...
MOUNDS...SAPULPA AND TULSA.

THIS INCLUDES INTERSTATE 44 BETWEEN MILE MARKERS 178 AND 228.
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Re: High Risk / PDS Tornado Watch 5-19

#149 Postby CrazyC83 » Wed May 19, 2010 7:37 pm

MESOSCALE DISCUSSION 0627
NWS STORM PREDICTION CENTER NORMAN OK
0732 PM CDT WED MAY 19 2010

AREAS AFFECTED...CNTRL/ERN OK

CONCERNING...TORNADO WATCH 190...

VALID 200032Z - 200130Z

THE SEVERE WEATHER THREAT FOR TORNADO WATCH 190 CONTINUES.

ALL MODES OF SEVERE WEATHER WILL REMAIN PROBABLE WITH NUMEROUS
ROTATING STORMS ARCING FROM CNTRL TO SERN OK INVOF WARM FRONT AND
SWD ALONG DRYLINE INTO S-CNTRL OK.

00Z SUBJECTIVE SURFACE ANALYSIS PLACED A CYCLONE OVER KINGFISHER
COUNTY OK...WITH ATTENDANT WARM FRONT ARCING SEWD INTO LE FLORE
COUNTY OK...AND DRYLINE EXTENDING SWD INTO WICHITA COUNTY TX. TSTM
COVERAGE HAS INCREASED SUBSTANTIALLY OVER THE PAST 1-2 HOURS INVOF
THESE BOUNDARIES WITH SEVERAL SUPERCELLS. ADDITIONAL CONVECTIVE
DEVELOPMENT AND STORM MERGERS/INTERACTIONS SHOULD EVENTUALLY RESULT
INTO UPSCALE GROWTH INTO ONE OR MORE MCS CLUSTERS...ESPECIALLY IN
THE I-40/I-44 CORRIDORS FROM CNTRL INTO E-CNTRL OK. MORE DISCRETE
DEVELOPMENT ALONG THE SRN FRINGE OF ANY EVOLVING MCS SHOULD CONTINUE
TO POSE A THREAT FOR SIGNIFICANT HAIL. OTHERWISE...0-1 KM SHEAR AOA
25 KTS PER 00Z OUN RAOB AND REGIONAL PROFILER/VWP WILL REMAIN HIGHLY
CONDUCIVE TO ROTATING UPDRAFTS...WITH ATTENDANT THREATS FOR
TORNADOES/DAMAGING WINDS/LARGE HAIL.

..GRAMS.. 05/20/2010


ATTN...WFO...LZK...SHV...TSA...FWD...OUN...

LAT...LON 35889462 35029443 34519447 33989534 33719664 33759792
34259817 35599780 36079740 36049614 35889462
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#150 Postby CrazyC83 » Wed May 19, 2010 7:38 pm

SEL1

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 191
NWS STORM PREDICTION CENTER NORMAN OK
735 PM CDT WED MAY 19 2010

THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

WESTERN ARKANSAS
FAR EASTERN OKLAHOMA

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 735 PM
UNTIL 200 AM CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHEAST OF
FAYETTEVILLE ARKANSAS TO 25 MILES EAST SOUTHEAST OF DE QUEEN
ARKANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

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 190...

DISCUSSION...SUPERCELL THUNDERSTORMS OVER CENTRAL/EASTERN OK WILL
CONTINUE TO DEVELOP AND SPREAD EASTWARD INTO WESTERN AR THIS
EVENING. STRONG LOW LEVEL VERTICAL SHEAR AND SUFFICIENT INSTABILITY
WILL POSE A RISK OF TORNADOES. LATER TONIGHT...STORMS OVER OK MAY
ORGANIZE INTO AN MCS AND SPREAD ACROSS THIS REGION AS WELL WITH THE
RISK OF DAMAGING WINDS AND HAIL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 26025.


...HART
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#151 Postby wx247 » Wed May 19, 2010 7:43 pm

County outlines for the new watch are curious... there are a couple of counties not included in the 10:00 watch that aren't in the 2 AM watch either. That sends a bad signal...
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Re:

#152 Postby CrazyC83 » Wed May 19, 2010 7:45 pm

wx247 wrote:County outlines for the new watch are curious... there are a couple of counties not included in the 10:00 watch that aren't in the 2 AM watch either. That sends a bad signal...


The Tulsa area and a few other counties were added to the PDS watch after it was issued...
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#153 Postby wx247 » Wed May 19, 2010 7:48 pm

Places like Delaware county aren't...
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Re: High Risk / PDS Tornado Watch 5-19

#154 Postby Texas Snowman » Wed May 19, 2010 7:52 pm

Looks like there may be a large wedge tornado on the ground near or NE of Purcell.

Lots of rotation evident. And KFOR says very strong velocities in that same area on their radar.

EDIT: Video looked very ominous with a possible wedge. But spotters aren't seeing any power flashes or debris...
Last edited by Texas Snowman on Wed May 19, 2010 7:58 pm, edited 1 time in total.
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Re: High Risk / PDS Tornado Watch 5-19

#155 Postby Texas Snowman » Wed May 19, 2010 7:57 pm

Wow...KOFR just showed a tornado warning map for the state.

Warnings all over Oklahoma from N/C to SW Oklahoma. Maybe a dozen counties under warnings at the moment?
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Re: High Risk / PDS Tornado Watch 5-19

#156 Postby Texas Snowman » Wed May 19, 2010 8:03 pm

KOFR News: possibly some damage in Stillwater to some fast food restaraunts.
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Re: High Risk / PDS Tornado Watch 5-19

#157 Postby Texas Snowman » Wed May 19, 2010 8:22 pm

KFOR: Tornado on the ground west of Prague about 5 miles. It's said to be on the highway.
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Re: High Risk / PDS Tornado Watch 5-19

#158 Postby Texas Snowman » Wed May 19, 2010 8:24 pm

Outbuildings have been destroyed by tornado near Prague according to KFOR met...
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Re: High Risk / PDS Tornado Watch 5-19

#159 Postby Texas Snowman » Wed May 19, 2010 8:26 pm

Prague is a community of 2,138 people according to Wikipedia.

KFOR says tornado on the ground two miles west of Prague, tornado moving almost due east. Very strong hook and rotation on radar.
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Re: High Risk / PDS Tornado Watch 5-19

#160 Postby Texas Snowman » Wed May 19, 2010 8:32 pm

Garvin County storm is ramping up again. KFOR says storm spotters are reporting a funnel cloud aloft 3 miles NW of Wynnewood. Hook evident on radar and KFOR showing a low level circulation lock...
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