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January Arctic outbreak 2009
01-05-2009, 08:47 AM
Post: #21
January Arctic outbreak 2009
Check out the mention of "Possible freeze event" from todays Disco:


LONG TERM...
COLD FRONT MOVES THROUGH AREA TUESDAY WITH POST-FRONTAL RAINFALL
LINGERING INTO TUESDAY NIGHT BEFORE CLEARING WELL AFTER MIDNIGHT.
WEDNESDAY AND THURSDAY SHOULD BE COOL BUT DRY WITH A SLOW WARMING
TREND ONSETTING THURSDAY. NEXT COLD FRONT MOVES ACROSS THE
FORECAST AREA SATURDAY WITH MORE ARCTIC AIR DIVING FROM CANADA.
SHOWERS AND THUNDERSTORMS ON SATURDAY GIVE WAY TO A SHARP COOL
DOWN AND POSSIBLE FREEZE EVENT SUNDAY. 24
[url=http://gulfcoastwx.com/index.cgi?board=severe&action=display&thread=3503&page=38#77060][/url]

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01-05-2009, 10:24 AM
Post: #22
January Arctic outbreak 2009
winter weather advisory just posted for west tenn. untill noon today, for sleet and fz rain mixed.

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01-05-2009, 05:42 PM
Post: #23
January Arctic outbreak 2009
Mention of Arctic Air for NEXT week.

NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
334 PM CST MON JAN 5 2009

LONGER RANGE MODELS NOW SHOWING A FAIRLY
STRONG ARCTIC OUTBREAK INTO THE AREA AROUND THURSDAY OF "NEXT"
WEEK.

Can't wait to see how this pans out!
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01-05-2009, 11:03 PM
Post: #24
January Arctic outbreak 2009
[Image: gfs_pcp_192l.gif]

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01-05-2009, 11:12 PM
Post: #25
January Arctic outbreak 2009
For Boston, highs around 20 and lows around 5 at the end of the current forecast period...
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01-06-2009, 08:18 AM
Post: #26
January Arctic outbreak 2009
6Z GFS has lost it again !!

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01-06-2009, 07:00 PM
Post: #27
January Arctic outbreak 2009
.days two through seven...wednesday through monday

colder air will move into the region by wednesday night and
thursday...with some light snowfall accumulations possible across
the higher elevations of southwest virginia and northeast tennessee.

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01-07-2009, 08:34 AM
Post: #28
January Arctic outbreak 2009
kjan:

Beyond wednesday...models suggest an arctic airmass
will settle into the region suggesting lower teens/single digits for
lows and 20s for highs. Will be interesting to see how the models
evolve over the next week and what the cold air will look like on the
next few runs.

[url=http://gulfcoastwx.com/index.cgi?board=severe&action=display&thread=3503&page=41#77198][/url]

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01-07-2009, 08:55 AM
Post: #29
January Arctic outbreak 2009
From the Birmingham NWS….two words, “Epic Cold”:
BEYOND MONDAY…A PATTERN EVOLUTION REALLY BEGINS TO TAKE SHAPE
WITH A BULGING WEST COAST RIDGE AND EASTERN U.S. TROUGH
DEVELOPING. SEVERAL RE-ENFORCING SHOTS OF COLDER AIR WILL BE
POSSIBLE NEXT WEEK UNDER THIS SCENARIO. THE GFS REALLY STEPS OUT
ON A LIMB WITH SOME OF THE LOWEST 1000-850 THICKNESSES I`VE EVER
SEEN (THIS FAR SOUTH) BY WEDNESDAY MORNING. HOWEVER…GONE IS THE
GULF LOW FROM YESTERDAY`S 00Z GFS RUN WHICH ADDS TO THE
CREDIBILITY OF THE ECMWF. NONETHELESS…LOOK FOR A CHANGE TO BELOW
AVERAGE TEMPERATURES NEXT WEEK.

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01-07-2009, 02:34 PM (This post was last modified: 01-07-2009 02:38 PM by ROLLTIDE.)
Post: #30
January Arctic outbreak 2009
Looks like it's game on next week for the arctic express

12Z Euro


[Image: f144.gif]


First Shot

http://www.ecmwf.int/products/forecasts/...9010712!!/


Second Shot


http://www.ecmwf.int/products/forecasts/...9010712!!/

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