Tornado outbreak - February 10-11, 8+ dead

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Shockwave
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Re:

#321 Postby Shockwave » Tue Feb 10, 2009 7:25 pm

CrazyC83 wrote:I wouldn't be surprised if something is on the ground there.


Neither would I. Has a classic hook look to it.
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Re:

#322 Postby CrazyC83 » Tue Feb 10, 2009 7:27 pm

Bunkertor wrote:BAMF

SEVERE THUNDERSTORM WARNING
TXC083-095-307-319-327-399-110115-
/O.NEW.KSJT.SV.W.0002.090211T0020Z-090211T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
620 PM CST TUE FEB 10 2009

THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN RUNNELS COUNTY IN SOUTHWEST TEXAS...
SOUTHERN COLEMAN COUNTY IN NORTH CENTRAL TEXAS...
CONCHO COUNTY IN SOUTHWEST TEXAS...
MCCULLOCH COUNTY IN NORTH CENTRAL TEXAS...
NORTHERN MENARD COUNTY IN SOUTH CENTRAL TEXAS...
NORTHWESTERN MASON COUNTY IN SOUTH CENTRAL TEXAS...

* UNTIL 715 PM CST


Those sure came out of nowhere!
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#323 Postby RL3AO » Tue Feb 10, 2009 7:30 pm

Norman not extending the TOR on that cell?
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#324 Postby RL3AO » Tue Feb 10, 2009 7:31 pm

0624 PM FUNNEL CLOUD 10 W NOCONA 33.78N 97.90W
02/10/2009 MONTAGUE TX FIRE DEPT/RESCUE

RELAYED BY AMATEUR RADIO OPERATORS
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#325 Postby Bunkertor » Tue Feb 10, 2009 7:32 pm

Those are mighty ones. RL could you checkem
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#326 Postby RL3AO » Tue Feb 10, 2009 7:32 pm

Which one?
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Re: Re:

#327 Postby Bunkertor » Tue Feb 10, 2009 7:35 pm

CrazyC83 wrote:
* UNTIL 715 PM CST

Those sure came out of nowhere!


Pretty impressive how they built up behind the front.
Last edited by Bunkertor on Tue Feb 10, 2009 7:37 pm, edited 1 time in total.
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Re:

#328 Postby Bunkertor » Tue Feb 10, 2009 7:35 pm

RL3AO wrote:Which one?


The St. Angelo guy
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#329 Postby RL3AO » Tue Feb 10, 2009 7:36 pm

Image
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#330 Postby RL3AO » Tue Feb 10, 2009 7:39 pm

Two new warnings in Texas.

Image
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Re: Tornado outbreak underway - February 10-11, Plains/Midwest/S

#331 Postby Ed Mahmoud » Tue Feb 10, 2009 7:40 pm

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
638 PM CST TUE FEB 10 2009

..TIME.. ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE.. ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0625 PM TORNADO 5 E RINGGOLD 33.82N 97.86W
02/10/2009 MONTAGUE TX TRAINED SPOTTER

TORNADO CAPTURED ON VIDEO BY STORM CHASER BETWEEN 625 PM
AND 630 PM. ONE STRUCTURE DESTROYED.
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#332 Postby Bunkertor » Tue Feb 10, 2009 7:40 pm

RL : Nothing special, i think
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Re:

#333 Postby Shockwave » Tue Feb 10, 2009 7:41 pm

RL3AO wrote:0624 PM FUNNEL CLOUD 10 W NOCONA 33.78N 97.90W
02/10/2009 MONTAGUE TX FIRE DEPT/RESCUE

RELAYED BY AMATEUR RADIO OPERATORS


Weatherunderground radar has shown an increase in rotation on the Montague County cell. Would not be surprised if a tornado is on the ground...
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Re:

#334 Postby RL3AO » Tue Feb 10, 2009 7:43 pm

Bunkertor wrote:RL : Nothing special, i think


Its getting stronger and expanding north/south. Probably the start of the squall line in Texas.
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Re: Re:

#335 Postby Bunkertor » Tue Feb 10, 2009 7:48 pm

RL3AO wrote:
Bunkertor wrote:RL : Nothing special, i think


Its getting stronger and expanding north/south. Probably the start of the squall line in Texas.


I just checked Nexrad and, yes, that looks well organized.
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#336 Postby RL3AO » Tue Feb 10, 2009 7:50 pm

Lets see if anything can get going south and SE of the Dallas/Fort Worth area ahead of the front.
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#337 Postby RL3AO » Tue Feb 10, 2009 7:51 pm

They waited until the last minute, but Norman issued the warning.

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORMAN OK
650 PM CST TUE FEB 10 2009

THE NATIONAL WEATHER SERVICE IN NORMAN HAS ISSUED A

* TORNADO WARNING FOR...
SOUTHWESTERN CARTER COUNTY IN SOUTHERN OKLAHOMA...
SOUTHEASTERN JEFFERSON COUNTY IN SOUTHERN OKLAHOMA...
NORTHWESTERN LOVE COUNTY IN SOUTHERN OKLAHOMA...

* UNTIL 715 PM CST

* AT 650 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 7 MILES
SOUTHEAST OF GRADY...MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IN THE WARNING INCLUDE COURTNEY...GRADY...PETERSBURG AND
WILSON.
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#338 Postby RL3AO » Tue Feb 10, 2009 7:54 pm

From a few hours ago.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TULSA OK
650 PM CST TUE FEB 10 2009

.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON

.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.

..REMARKS..

0435 PM TORNADO 3 S PAWNEE 36.29N 96.80W
02/10/2009 PAWNEE OK FIRE DEPT/RESCUE

TWO BARNS COMPLETELY DESTROYED. DEBRIS SCATTERING SEEMS
TO BE CONSISTENT WITH DAMAGE CAUSED BY A TORNADO.
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#339 Postby CrazyC83 » Tue Feb 10, 2009 8:04 pm

01Z: Little change.
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Re: Tornado outbreak underway - February 10-11, Plains/Midwest/S

#340 Postby CrazyC83 » Tue Feb 10, 2009 8:07 pm

SPC AC 110100

DAY 1 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
0700 PM CST TUE FEB 10 2009

VALID 110100Z - 111200Z

...THERE IS A MDT RISK OF SVR TSTMS ACROSS EASTERN OK...NORTH
CENTRAL AND NORTHEAST TX...NORTHWEST LA...WESTERN AND CENTRAL
AR...AND FAR SOUTHWEST MO...

...THERE IS A SLGT RISK OF SVR TSTMS SURROUNDING THE MODERATE RISK
FROM CENTRAL/ERN TX TO KS/MO/SRN IL...

...A SIGNIFICANT SEVERE WEATHER OUTBREAK -- INCLUDING SUPERCELLS
WITH STRONG TORNADOES
AND SQUALL LINE PRODUCING DAMAGING WINDS --
WILL SPREAD EWD TONIGHT INTO EARLY WEDNESDAY MORNING FOR ERN OK/NE
TX...INTO NW LA...WRN/CENTRAL AR AND FAR SW MO...

...SRN/CNTRL PLAINS TO MS VALLEY...
EARLY EVENING SURFACE ANALYSIS INDICATED A COLD FRONT PROGRESSING
EWD INTO WRN OK AND TOWARD CENTRAL TX. THIS FRONT WILL ACCELERATE
EWD THIS FORECAST PERIOD AS STRONGER ASCENT SPREADS ACROSS THE SRN
PLAINS...WITH THE FRONT REACHING CENTRAL MO/AR/LA TO THE NWRN GULF
BY 12Z WEDNESDAY. MEANWHILE...A DRY LINE EXTENDED SWD FROM A
SURFACE LOW IN SRN OK TO THE TX HILL COUNTRY...AND A BOUNDARY
EXTENDED EWD THROUGH NRN AR...MARKING THE NRN EXTENT OF DEEPER LOW
LEVEL MOISTURE RETURN /SURFACE DEWPOINTS IN THE LOWER 60S/. 00Z
JAN/SHV SOUNDINGS INDICATED DEEP MOISTURE IN THE LOW LEVELS WAS
ADVECTING NWD THROUGH E TX AND THE LOWER MS VALLEY.

THE STRONG UPPER TROUGH...CURRENTLY LOCATED OVER THE SRN HIGH
PLAINS...WILL PROGRESS EWD WITH SOME DEEPENING EXPECTED AS IT BEGINS
TO TAKE ON A NEGATIVE TILT LATE TONIGHT...REACHING WRN MO TO WRN AR
BY 12Z WEDNESDAY. A SURFACE LOW OVER SERN CO AND THE OK LOW WILL
CONSOLIDATE INTO A SINGLE LOW OVER CENTRAL/NERN OK BY LATE
EVENING...AND DEEPEN AS STRONG FORCING FOR ASCENT /150-200 METER
HEIGHT FALLS/ SPREADS ACROSS THE SRN PLAINS. THE SURFACE LOW SHOULD
REACH CENTRAL MO BY EARLY WEDNESDAY MORNING.

A FAIRLY BROAD SLY LLJ LOCATED ACROSS THE ERN HALF OF OK/TX INTO THE
LOWER MS VALLEY WILL STRENGTHEN TO 60-70+ KT THIS PERIOD IN RESPONSE
TO THE HEIGHT FALLS...AS A 110-120 KT WSWLY MID LEVEL JET TRANSLATES
ACROSS NRN TX INTO AR BY 12Z. THIS WILL FURTHER ENHANCE LOW LEVEL
SHEAR/HELICITY WITH EFFECTIVE HELICITY VALUES RANGING FROM 300-600
M2/S2/. THE STRONG LOW LEVEL SHEAR COMBINED WITH 60-70 KT DEEP
LAYER SHEAR VECTORS ORIENTED ACROSS THE WARM SECTOR WILL MAINTAIN
LIKELIHOOD FOR DISCRETE TORNADIC SUPERCELLS...SOME STRONG TO
SIGNIFICANT
. STRONG DEEP LAYER FORCING FOR ASCENT SPREADING EWD
ACROSS NRN/CENTRAL TX WILL SUPPORT ADDITIONAL TSTM DEVELOPMENT SWD
ALONG THE DRY LINE. DISCRETE STORMS WILL REMAIN POSSIBLE...
HOWEVER...EVENTUAL EVOLUTION INTO A FAST MOVING SQUALL LINE IS
EXPECTED AS THE COLD FRONT SURGES EWD OVERTAKING THE DRY LINE...WITH
THE POTENTIAL FOR SIGNIFICANT WIND DAMAGE ACROSS MUCH OF NRN TX/FAR
SRN OK INTO WRN AR/NWRN LA.

FARTHER N...TSTMS EXTENDING FROM SERN KS TO ALONG THE MO/AR BORDER
WILL SPREAD NNEWD OVERNIGHT AS LOW LEVEL MOISTURE/DESTABILIZATION
SPREADS NWD AHEAD OF THE DEEPENING SURFACE LOW. ALTHOUGH
INSTABILITY WILL TEND TO BE WEAKER WITH NWD EXTENT...STRONG UPPER
FORCING/INCREASING DEEP LAYER SHEAR WILL COMPENSATE AND LIKELY
SUPPORT ORGANIZED SEVERE STORMS PRODUCING HAIL AND DAMAGING WINDS.
STRENGTHENING SLY WINDS WILL ALSO RESULT IN A TORNADO THREAT INTO
THIS REGION.

..PETERS.. 02/11/2009

CLICK TO GET WUUS01 PTSDY1 PRODUCT

NOTE: THE NEXT DAY 1 OUTLOOK IS SCHEDULED BY 0600Z
CURRENT UTC TIME: 0106Z (8:06PM), RELOAD THIS PAGE TO UPDATE THE TIME
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