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Texas/MX Obs And Discussion Thread.


Srain

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Still just a boring rain/snow mix here but the temp has fallen to near freezing. This reminds me of Dec. 5th in Alexandria, VA last year. We could never get over the hump while places not to far away picked up a couple of inches. However, radar looks good for a bit of accumulation if we can ever get over to all snow.

Edit: Have switched over to "wintery mix" here in the last 10 min with more sleet and snow than rain at this point.

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Bubba, where is 'here'?

I slept through the thunder, and now the rain is almost gone. A menudo morning, although carniceria menudo isn't like one of the tia's made it.

Is that bright banding because of p-type or a dump of precip? Anyhoo, Denton and Collin County now dropping through freezing, always a happy milestone.

southplains_loop.gif

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I'd love some of that nothing. Just a cold rain down here.

Snow would be fun, but I'm actually SOOOOO glad to get the rain! We had some storms earlier and a steady cold rain; now we are waiting to see if we are going to get some freezing drizzle along with these dropping temps (35 degrees now)...

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The 12Z GEM offers some hope for a surprise or two in the Thursday time frame and into the weekend.:guitar:

Ummmm... it's snowing here right now... just lightly, but still - SNOW. That's just a wee bit unexpected.

33 degrees, no precip showing on the radar; temps expected to drop into the teens tonight.

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I had the pleasure of shooting a major MVA this morning with a temperature of 21F and a Wind Chill of 7F. Can we please bring back the pattern we had on December 31st where it was in the 60's?

I'll 2nd that! I want my La Nina warmth. I am now satisfied with this winter and ready to move on to spring. I experienced enough cold and snow during my time out in Virgina and the 4" of snow we got this weekend was just enough to satisfy me. La Nina Warmth Now!

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A balmy 24 here this morning and the pool auto freeze protection has been running since mid night. La Nina ftl...:arrowhead:

20 degrees - some La Nina this is! :snowman:

I agree with Bubba; after going out at midnight to drain pipes and turn off water at our lil' Church - and then going out to check on livestock and break ice on water this morning - I'm ready for a lil' of that summer lovin'...

Howsumever, I do believe that this will kill the grasshoppers off pretty good, so it's a fair trade off.

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Interesting forecast unfolding across the Lone Star State into the weekend and next week. The weekend still looks damp as a robust short wave passes the area increasing our rain chances. Then the challenges begin. The main challenge (in the medium range) will be the Upper Low depicted to our W. Where have we seen this before (last weekend)? The trough axis could certainly be deeper into the Great Basin and across the Rockies and the amount of W Coast Ridging (+pna) will be a big key and where that ridging sets up. Our neighbors along the E Coast will also likely 'warm up' (some hints of SE Ridging) for the first time in a while. Definitely worth watching as the operation models struggle with the Pacific Pattern and how the MJO pulse affects our sensible weather. The ensembles suggest things are pushed a bit further W than the operational models now show. There may well be some wintry weather across portions of the State later next week and that will need to be monitored in the days ahead. ;)

PRELIMINARY EXTENDED FORECAST DISCUSSION...CORRECTION IN SECOND

PARAGRAPH

NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD

746 AM EST THU JAN 13 2011

VALID 12Z MON JAN 17 2011 - 12Z THU JAN 20 2011

...HEAVY PRECIPITATION TO CONTINUE ACROSS THE PACIFIC NORTHWEST

INTO WEDNESDAY...

A LARGE AND POWERFUL CYCLONE ENGULFING THE WESTERN AND CENTRAL

PACIFIC WILL LEAD TO RIDGING DOWNSTREAM ACROSS THE EASTERN PACIFIC

AND TROUGHING MID-CONTINENT...WHICH WILL GENERALLY LINE UP UNDER

THE BASE OF A POLAR VORTEX WAXING AND WANING ACROSS NUNAVUT. THE

GUIDANCE IS IN GOOD AGREEMENT ON THESE GENERAL IDEAS.

DETAIL-WISE...THE 00Z CANADIAN IS OUT PHASE WITH THE OTHER

DETERMINISTIC/ENSEMBLE MEAN GUIDANCE IN REGARDS TO A SYSTEM

CROSSING CANADA FROM MONDAY ONWARD...ENDING UP WITH A SLOWER

PROGRESSION...SO DID NOT USE ITS SOLUTION. THE 06Z GFS/00Z ECMWF

WERE IN RATHER GOOD AGREEMENT THIS MORNING...AND DID NOT STRAY TOO

FAR FROM THEIR RESPECTIVE ENSEMBLE MEANS. USED A COMPROMISE OF

THE 06Z GFS/00Z ECMWF/00Z ECMWF ENSEMBLE MEAN THROUGH THE PERIOD

TO GET MORE REALISTIC PRESSURES...THOUGH LOW PRESSURE CENTERS WERE

MOVED BACK TOWARDS THE MIDDLE OF THE 00Z GLOBAL ENSEMBLE GUIDANCE

ENVELOPE OF SOLUTIONS WITH SURFACE LOWS WHICH SLOWED DOWN THE

LOW/FRONTAL PROGRESSION ACROSS THE NORTHEAST AND NORTHERN PLAINS

LATE IN THE PERIOD. THE ECMWF ENSEMBLE MEAN USED OVER THE GEFS

MEAN FOR PRESSURE VERIFICATION REASONS. THIS KEPT GOOD CONTINUITY

WITH OUR PREVIOUS DAY OF SOLUTIONS.

THIS SOLUTION SHOULD KEEP THE PACIFIC NORTHWEST WET INTO

WEDNESDAY...BEFORE THE EASTERN PACIFIC RIDGE AMPLIFIES WHICH

SHOULD WEAKEN THE ONSHORE FLOW LATE NEXT WEEK. TEMPERATURES

SHOULD SLOWLY MODIFY ACROSS THE EAST AS THE STORM TRACK/UPPER

TROUGH SETS UP FARTHER WEST THAN SEEN OVER THE PAST SIX

WEEKS...WHICH COULD BE THE BEGINNING OF THE JANUARY THAW.

MODERATE TO HEAVY PRECIPITATION SHOULD ACCOMPANY THE CYCLONE

CROSSING THE MID-SOUTH AND EAST FROM MONDAY ONWARD...WITH A BETTER

CHANCE FOR RAIN THAN SNOW WITHIN THE COASTAL PLAIN OF THE

EAST...THOUGH WINTRY PRECIPITATION IS ANTICIPATED FARTHER

WEST/INLAND ACROSS THE NORTHERN APPALACHIANS. COLDER CONDITIONS

ARE EXPECTED ACROSS THE ROCKIES/PORTIONS OF THE GREAT BASIN BY MID

TO LATE NEXT WEEK.

ROTH

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