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Severe Weather - New Years Eve 2010


David Reimer

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I am surprised there is not at least a 10% hatched area for strong tornadoes. Some of those damage reports from above seems like at least EF2 or even EF3 damage. "Brick House Destroyed."

I agree if fact a perhaps a low end MODERATE risk mat be needed for MS/AR/LA if the RUC is near correct....waiting for NAM

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heading right for branson,,which may be pretty packed for new years

BULLETIN - EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE SPRINGFIELD MO

805 AM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* TORNADO WARNING FOR...

NORTHWESTERN TANEY COUNTY IN SOUTHWEST MISSOURI...

SOUTHEASTERN CHRISTIAN COUNTY IN SOUTHWEST MISSOURI...

* UNTIL 845 AM CST.

* AT 802 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A

TORNADO 8 MILES SOUTHWEST OF EDGEWATER BEACH...OR 4 MILES SOUTHWEST

OF BRANSON...MOVING NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE BRADLEYVILLE...EDGEWATER BEACH...

FORSYTH...GARRISON...MERRIAM WOODS...OZARK BEACH...POWERSITE...

ROCKAWAY BEACH...TANEYVILLE AND WALNUT SHADE.

IN ADDITION TO A TORNADO...THIS STORM IS CAPABLE OF PRODUCING

DESTRUCTIVE STRAIGHT LINE WINDS IN EXCESS OF 70 MPH.

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Can someone take a closer look at the next TOR warned cell in NW AR?

SEVERE WEATHER STATEMENT

NATIONAL WEATHER SERVICE TULSA OK

807 AM CST FRI DEC 31 2010

ARC087-143-311430-

/O.CON.KTSA.TO.W.0049.000000T0000Z-101231T1430Z/

WASHINGTON AR-MADISON AR-

807 AM CST FRI DEC 31 2010

...TORNADO WARNING CONTINUES UNTIL 830 AM CST FOR WESTERN MADISON AND

SOUTHEASTERN WASHINGTON COUNTIES...

AT 805 AM CST...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE

THUNDERSTORM CAPABLE OF PRODUCING A TORNADO LOCATED NEAR WINSLOW...

MOVING NORTHEAST AT 45 MPH. THIS IS A DANGEROUS STORM WITH STRONG LOW

LEVEL ROTATION...A TORNADO IS OCCURRING OR COULD FORM AT ANY TIME.

SOME LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...WINSLOW...

WOOLSEY...BRENTWOOD...WYOLA...ARNETT...HICKS...BLACK OAK...SULPHUR

CITY...CROSSES...DURHAM...ELKINS AND TUTTLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE NEAR THE PATH OF THIS STORM...TAKE COVER NOW! IF NO

UNDERGROUND SHELTER IS AVAILABLE MOVE TO AN INTERIOR ROOM ON THE

LOWEST FLOOR. MOBILE HOMES AND VEHICLES SHOULD BE ABANDONED FOR MORE

SUBSTANTIAL SHELTER. AVOID WINDOWS!

&&

LAT...LON 3576 9408 3576 9434 3607 9402 3592 9381

TIME...MOT...LOC 1407Z 225DEG 38KT 3579 9415

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AREA FORECAST DISCUSSION...UPDATED

NATIONAL WEATHER SERVICE LITTLE ROCK AR

652 AM CST FRI DEC 31 2010

UPDATE

HAVE JUST SENT THE FIRST...BUT PROBABLY NOT THE LAST...UPDATE FOR

THE MORNING PACKAGE. INCOMING DATA IS SHOWING THAT SEVERE STORMS

ARE AN INCREASING POSSIBILITY OVER THE ENTIRE AREA...AS UPPER

LEVEL DIFFLUENCE AND LOW LEVEL SHEAR...AS WELL AS CAPE CONTINUE TO

INCREASE. HAVE ADJUSTED THE FORECAST TO INCLUDE THE POSSIBILITY OF

SEVERE STORMS OVER THE ENTIRE AREA...UPPED POPS A CATEGORY IN MOST

PLACES...AND HAVE EVEN INCREASED EXPECTED MAX TEMPS IN SOME SPOTS

DUE TO STRONG WARM ADVECTION OCCURRING.

TO ALL THOSE INTERESTED...WE WILL BE RELEASING A 17Z UPPER AIR

SOUNDING IN SUPPORT OF SEVERE WEATHER OPERATIONS.

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I am really surprised that spc did not slap a moderate risk as others have mentioned for a good chunk of MS for today. The RUC is screaming tornadic supercells late this afternoon and early evening and a few tornadoes could be strong. SRH near 500 m/s, li's near -4, cape around 1250 j/kg, and nice backed surface winds. Not to mention there should be some clearing taking place across the area per visibile satellite this morning. Yikes!!!!

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I am really surprised that spc did not slap a moderate risk as others have mentioned for a good chunk of MS for today. The RUC is screaming tornadic supercells late this afternoon and early evening and a few tornadoes could be strong. SRH near 500 m/s, li's near -4, cape around 1250 j/kg, and nice backed surface winds. Not to mention there should be some clearing taking place across the area per visibile satellite this morning. Yikes!!!!

Maybe a higher slight with 10% TOR, 30% wind but not quite Moderate Risk. Storms will line out, as they actually are right now, somewhat reducing the tornado risk. They have an update coming in about 1-1.5 hours.

EDIT: Heh, you posted the same thing on ST.

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Maybe a higher slight with 10% TOR, 30% wind but not quite Moderate Risk. Storms will line out, as they actually are right now, somewhat reducing the tornado risk. They have an update coming in about 1-1.5 hours.

Yeah, along the front the storms will line out...but not in the free warm sector ahead of the front...not with some light capping in place allowing storms to be discrete...

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Yeah, along the front the storms will line out...but not in the free warm sector ahead of the front...not with some light capping in place allowing storms to be discrete...

Which is what I am concerned about late this afternoon through early evening in MS. Discrete supercells out in front of the line according to the ruc.

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Yeah, along the front the storms will line out...but not in the free warm sector ahead of the front...not with some light capping in place allowing storms to be discrete...

I suppose you're right to some degree, heh. I haven't had much time to look at it this morning (at work!). It'll be a race to see how strong these storms can get before the front catches up. I'm still not sure about an upgrade to Moderate though.

Here's a nice grab from southern MO with two good couplets in close proximity (both TOR warned):

post-96-0-23681200-1293809194.gif

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I suppose you're right to some degree, heh. I haven't had much time to look at it this morning (at work!). It'll be a race to see how strong these storms can get before the front catches up. I'm still not sure about an upgrade to Moderate though.

Here's a nice grab from southern MO with two good couplets in close proximity (both TOR warned):

post-96-0-23681200-1293809194.gif

The front is not exactly going to be racing eastward...

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Damage with the srn TOR...

713

NWUS53 KSGF 311538

LSRSGF

PRELIMINARY LOCAL STORM REPORT

NATIONAL WEATHER SERVICE SPRINGFIELD MO

938 AM CST FRI DEC 31 2010

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

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

..REMARKS..

0925 AM TSTM WND DMG 5 N DAWSON 37.33N 92.31W

12/31/2010 WRIGHT MO AMATEUR RADIO

STRUCTURE DAMAGE 5 MILES NORTH OF DAWSON.

KURTZ

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And with the nrn storm...

203

NWUS53 KSGF 311544

LSRSGF

PRELIMINARY LOCAL STORM REPORT

NATIONAL WEATHER SERVICE SPRINGFIELD MO

944 AM CST FRI DEC 31 2010

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

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

..REMARKS..

0932 AM FUNNEL CLOUD 5 SW WAYNESVILLE 37.78N 92.27W

12/31/2010 PULASKI MO LAW ENFORCEMENT

POSSIBLE TORNADO SOUTH OF BUCKHORN...NEAR HIGHWAY 17 AND

CANNON RANGE ROAD.

KURTZ

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BULLETIN - EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE ST LOUIS MO

943 AM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...

EAST CENTRAL ADAMS COUNTY IN WEST CENTRAL ILLINOIS...

BROWN COUNTY IN WEST CENTRAL ILLINOIS...

* UNTIL 1015 AM CST

* AT 939 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A

SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS

STORM WAS LOCATED 6 MILES NORTH OF BEVERLY...OR 20 MILES EAST OF

QUINCY...AND MOVING NORTHEAST AT 65 MPH.

* LOCATIONS IMPACTED INCLUDE...

BUCKHORN...MOUNT STERLING...KELLERVILLE...MOUND STATION...

COOPERTOWN AND RIPLEY.

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new storm, ilstormchaser if you leave now you can get this one south of you

BULLETIN - EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE ST LOUIS MO

1022 AM CST FRI DEC 31 2010

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* TORNADO WARNING FOR...

PIKE COUNTY IN WEST CENTRAL ILLINOIS...

PIKE COUNTY IN NORTHEAST MISSOURI...

* UNTIL 1100 AM CST

* AT 1018 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A

SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS

STORM WAS LOCATED 5 MILES SOUTHWEST OF BOWLING GREEN...AND MOVING

NORTHEAST AT 55 MPH.

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new day 1 still slight and still only 5% TOR probs

DAY 1 CONVECTIVE OUTLOOK

NWS STORM PREDICTION CENTER NORMAN OK

1022 AM CST FRI DEC 31 2010

VALID 311630Z - 011200Z

...THERE IS A SLGT RISK OF SVR TSTMS FROM THE MID MS VALLEY SWD TO

THE CNTRL GULF COAST...

..MID MS VALLEY/OZARKS

12Z UPPER-AIR ANALYSIS INDICATED A POTENT VORTICITY MAXIMUM AND

ASSOCIATED NEGATIVELY-TILTED TROUGH CONFIGURATION FROM THE CNTRL

HIGH PLAINS INTO OZARK PLATEAU WHICH WILL TRANSLATE NEWD THROUGH THE

MID/LOWER MO VALLEY BY THIS AFTERNOON/EVENING...EVENTUALLY REACHING

THE UPPER MS VALLEY/UPPER GREAT LAKES REGION LATER TONIGHT.

ATTENDANT SURFACE LOW ANALYZED NEAR MKC AS OF 15Z WILL CONCURRENTLY

DEVELOP NNEWD...OCCLUDING OVER THE UPPER MIDWEST DURING THE LATTER

HALF OF THE FORECAST PERIOD. AS THIS OCCURS POLAR FRONT WILL SWEEP

EWD THROUGH LOWER ELEVATIONS OF THE CNTRL PLAINS...EVENTUALLY

OVERTAKING PACIFIC FRONT OVER THE MID MS VALLEY. MEANWHILE...WARM

FRONT/RESIDUAL OUTFLOW BOUNDARY WILL CONTINUE TO SLOWLY DEVELOP NWD

THROUGH ERN MO/IL.

STRONG-SEVERE TSTMS ARE ONGOING THIS MORNING ACROSS CNTRL/SRN

PORTIONS OF MO ALONG AND AHEAD OF PACIFIC FRONT...WITHIN ERN FRINGE

OF STRONGER FORCING FOR ASCENT ASSOCIATED WITH ABOVE-MENTIONED

VORTICITY MAXIMUM. WHILE WIDESPREAD CLOUDINESS IS EXPECTED TO LIMIT

THE DEGREE OF DIABATIC HEATING TODAY...THE PRESENCE OF A RELATIVELY

MOIST BOUNDARY LAYER /I.E. DEW POINTS OF 55-60 F/ COUPLED WITH STEEP

MIDLEVEL LAPSE RATES /REF. 12Z SGF SOUNDING/ WILL CONTINUE TO

SUPPORT SUFFICIENT INSTABILITY/DESTABILIZATION TO MAINTAIN ONGOING

TSTMS EWD THROUGH THE MID MS VALLEY INTO THIS EVENING.

VERTICAL SHEAR /BOTH IN THE LOW LEVELS AND THROUGH A DEEP LAYER/

WILL REMAIN QUITE STRONG OWING TO A PERSISTENT 50+ KT SSWLY LLJ AND

SWLY MIDLEVEL WIND FIELD STRENGTHENING TO 70-90 KT BY AFTERNOON. AS

SUCH...SETUP WILL REMAIN FAVORABLE FOR EMBEDDED SUPERCELL AND/OR

BOWING STRUCTURES WITH A RISK FOR DAMAGING WINDS...TORNADOES AND

SEVERE HAIL. OVERALL SEVERE THREAT SHOULD TEND TO DIMINISH

OVERNIGHT AS CONSOLIDATED COLD FRONT OUTPACES MORE MOIST/UNSTABLE

AIR MASS.

..OZARK PLATEAU/MID SOUTH AND LOWER MS VALLEY

THE SWD EXTENSION OF ABOVE-MENTIONED TSTM REGIME IS IN PROGRESS THIS

MORNING OVER AR INTO THE ARKLATEX. WHILE LARGE-SCALE FORCING FOR

ASCENT WILL TEND TO WEAKEN THROUGH THE REMAINDER OF THE DIURNAL

HEATING CYCLE...FRONTAL CONVERGENCE AND AREAS OF STRONGER DAYTIME

HEATING /NAMELY IN WAKE OF GRAVITY WAVE MOVING THROUGH CNTRL AR/

SHOULD SUPPORT AN INCREASE IN TSTM ACTIVITY TODAY ALONG AND AHEAD OF

PACIFIC FRONT. THE SRN EXTENT OF EML/STEEP LAPSE RATE PLUME COUPLED

WITH THE STRONGER DIABATIC WARMING IN THE BOUNDARY LAYER AND DEW

POINTS IN 60S ARE EXPECTED TO YIELD AFTERNOON MLCAPE VALUES

INCREASING TO 1000-1500 J/KG. HERE TOO...VERTICAL SHEAR WILL REMAIN

RATHER STRONG AND SUPPORTIVE OF ORGANIZED STORM MODES INCLUDING

SUPERCELLS WITH A THREAT FOR TORNADOES...DAMAGING WINDS AND PERHAPS

SOME HAIL.

A THIRD EPISODE OF TSTMS WILL LIKELY CONTINUE THROUGH THE DAY OVER

PORTIONS OF SERN LA/SRN MS ALONG ERN EDGE OF INSTABILITY

AXIS...SUSTAINED BY LOW-LEVEL WAA ALONG SRN EXTENSION OF LLJ. FOR

ADDITIONAL INFORMATION ON THIS AREA...SEE MCD 2163.

STRONG-SEVERE TSTMS WILL LIKELY CONTINUE ACROSS THE LOWER MS VALLEY

OVERNIGHT...AIDED BY ENHANCED BROAD-SCALE ASCENT INTO ENTRANCE

REGION OF UPPER JET PROPAGATING NEWD INTO THE UPPER MIDWEST.

VERTICAL SHEAR WILL REMAIN STRONG AND SUPPORTIVE OF A RISK FOR

TORNADOES AND DAMAGING WINDS WITHIN CORRIDOR OF

REGENERATIVE/TRAINING TSTMS.

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