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NE OK/ NW AR/ SE KS/ SW MO Winter 2011


JoMo

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I for one am not buying it. This model has yet to latch onto and stick with a similar solution for more than 2-3 runs in a row all week.

yeah, even the RUC can't make up it's mind. 00z run was drier, 01z run brought the precip back.

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I for one am not buying it. This model has yet to latch onto and stick with a similar solution for more than 2-3 runs in a row all week.

The rapid-update models are flailing all over the place right now, too. Just the past 2-3 hours worth of RUC and HRRR runs alone present enough scenarios to drive an operational forecaster up the wall.

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The Euro has been locked in on this wave all week and consistently shows a very respectable snow for most everybody on here, most of it falling from midnite till noon tomorrow. It nailed our system last week and I think it does the same with this one.

I like the optimism! Additionally, we seem to be breaking out some precip in NE OK on the last few radar frames, which I like. :thumbsup:

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No ice just less precip per the NAM.

Yea noticed this also but just didnt bother saying anything cause i thought i was lookin at it wrong. Does show less though for sure. Gfs still looks the same to me idk. Just gotta watch the trends now as the night goes on. It just seems to be also slower as well who knows?

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Yea noticed this also but just didnt bother saying anything cause i thought i was lookin at it wrong. Does show less though for sure. Gfs still looks the same to me idk. Just gotta watch the trends now as the night goes on. It just seems to be also slower as well who knows?

gfs doesn't come out for another hour :P

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All of the new models coming in with less precip and it appears SGF has taken up some of their totals by a little bit in their latest zone forecast package. Go figure.

This may explain the uptick in some of their expected totals over SW MO.

HAVE STARTED THE WINTER WEATHER ADVISORY A FEW HOURS EARLY ACROSS

SOUTHWEST MISSOURI. 00Z NAM/RUC ARE INDICATING A SOUTHWEST TO

NORTHEAST BAND OF ISENTROPIC UPGLIDE DEVELOPING ON THE 295 K

SURFACE BETWEEN 03 AND 06Z ACROSS SOUTHWEST MISSOURI. RECENT RADAR

TRENDS ARE STARTING TO REFLECT THIS. UPGLIDE ALSO CONTINUES BELOW

THIS LEVEL. HAVE GOTTEN MULTIPLE REPORTS OF FREEZING DRIZZLE

ACROSS WESTERN MISSOURI THIS EVENING AS CLOUD ICE HAS BECOME

SCARCE. HARD TO SEE THIS ON IR SATELLITE...BUT MODEL CROSS

SECTIONS AND RAOB DATA DO LATCH ONTO THIS. AM THEREFORE EXPECTING

POCKETS OF LIGHT SNOW AND FREEZING DRIZZLE THROUGH MIDNIGHT. THE

MAIN EVENT FOR SOUTHWEST MISSOURI IS STILL EXPECTED FROM VERY LATE

TONIGHT INTO THURSDAY MORNING.

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Starting to light up in western KS and western OK. That almost looks convective in nature in west OK.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
1004 PM CST WED JAN 19 2011

.UPDATE...
HRRR MODEL HAS BEEN CONSISTENT IN LAYING OUT A RELATIVELY NARROW
BAND OF HEAVIER SNOW ACCUMULATIONS W TO E ACROSS N OK OVERNIGHT
INTO THU MORNING. RUNS PRIOR TO 00Z HELD THIS BAND IN PLACE FROM
JUST S OF GAG AND ENID TO NEAR AND JUST N OF SWO... WITH MAX
ACCUMULATIONS LOCALLY OVER 4 INCHES AND OCCASIONALY NEAR 8 AROUND
PERRY. LAST COUPLE RUNS HAVE BACKED OFF A BIT ON AMOUNTS AND HAVE
SHIFTED THE AXIS OF HEAVIER SNOW SLIGHTLY SOUTH. 01Z RUN HAS IT A
LITTLE N OF I-40. NOT SURE WHAT TO MAKE OF THIS OR WHETHER TO
BELIEVE IT AT ALL... BUT RECENT RUC13 RUNS SHOW SIMILAR TRENDS AND
A STRIPE OF MOSTLY 1-3 INCHES JUST N OF I-40. NAM12 ALSO HAS A
HEAVIER BAND BUT IS FARTHER N. ONSET OF PRECIP IN NW OK AND LATEST
RADAR TRENDS OF INTENSIFYING ECHOES IN A NARROW BAND MAY BE THE
FIRST SIGN. SEEMS A GOOD CHANCE THERE WILL BE A NARROW BAND OF
ENHANCED SNOWFALL SOMEWHERE NORTH OF I-40... BUT WITH
UNCERTAINTIES ON THE PRECISE LOCATION WE WILL NOT GET TOO FANCY
YET AND KEEP THE ADVISORY AS IS.

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