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Texas/MX Obs And Discussion Thread.


Srain

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Cold after cold after cold. Very chilly pattern for most of the easternmost 2/3s of the CONUS...but could one of this waves reach us this far south? Hopefully, otherwise I will hate the 40s and drizzle forever. 0z Euro has a nice sub 560dm low over Mazatlan...but polar jet is bottling the cold in Canada... if only....

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You folk near Dallas may need to keep an eye out… :scooter:

I have not been able to follow the models very closely this week b/c of work and what not. It looks like the timing on this is going to be very close and I think we will see some freezing rain / drizzle out here in the NE burbs. I'm interested in what might happen Sunday afternoon and night. I'll have to take a closer look at the models tomorrow and see if its worth investing some tracking time into!

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HPC giving some credence to the digging short wave idea next week...

12Z UPDATE... NEW GUIDANCE INCLUDING THE ECMWF HAS COME INTO

BETTER AGREEMENT WITH DAY 3 SUN PLAINS EVOLUTION WITH A BETTER

DEFINED SFC REFLECTION THAN THE 00Z ECMWF. THE FINAL FCST

INCORPORATES IDEAS FROM THE 12Z ECMWF/UKMET/CMC WITH THE GFS LESS

FAVORED AS IT IS ON THE DEEP SIDE OF THE SOLN SPREAD. UNCERTAINTY

REMAINS ABOUT AS HIGH AS BEFORE FOR THE REST OF THE FCST. THE

UKMET/CMC HAVE TRENDED TOWARD THE GFS SCENARIO OF PULLING A

SIGNIFICANT AMOUNT OF ENERGY SWWD INTO NWRN MEXICO BY DAY 5 TUE

THUS LEADING TO A MORE PROGRESSIVE/EWD WRN ATLC SYSTEM. HOWEVER

THE 12Z ECMWF MAINTAINS CONTINUITY... ALBEIT IN SLIGHTLY SLOWER

FORM... TOWARD A MORE CONSOLIDATED NRN STREAM MID LVL SYSTEM THAT

ULTIMATELY MAINTAINS AN EAST COAST SFC LOW ON THE WRN EDGE OF THE

GUIDANCE SPREAD. SOME TIMING/DETAIL DIFFS ARE NOTED WITH UPSTREAM

FEATURES WITH MORE DATA DESIRED BEFORE MAKING A CONFIDENT

ADJUSTMENT. FOR DAYS 4-7 THE FULL EVALUATION OF LATEST SOLNS IN

LIGHT OF SENSITIVITY OF THE FCST PATTERN FAVORS ONLY MINOR DETAIL

ADJUSTMENTS TO THE UPDATED PRELIM ISSUANCE.

THE LARGE SCALE MEAN PATTERN SHOULD MAINTAIN WARM AND DRY CONDS

OVER MOST AREAS WEST OF THE ROCKIES AND BELOW NORMAL TEMPS OVER

THE ERN HALF OF THE LOWER 48. THE MOST EXTREME READINGS ARE FCST

OVER THE NORTHEAST ON SUN-MON WHEN HIGHS MAY BE UP TO 15-25 F

BELOW NORMAL. THERE IS STILL CONSIDERABLE UNCERTAINTY OVER THE

EVENTUAL NWD EXTENT OF WINTRY PCPN SPREADING EWD FROM THE PLAINS

SUN ONWARD... WITH POSSIBLE SCENARIOS OVER THE NORTHEAST BY

TUE-WED RANGING FROM A MAJOR EVENT TO NO PCPN AT ALL. CURRENT

FCST PREFERENCES ARE TOWARD HAVING AT LEAST SOME PCPN REACHING

NERN AREAS. MEANWHILE DEPENDING ON THE DEGREE OF GULF INFLOW

THERE MAY BE SOME LOCALLY MDT-HVY RNFL OVER EXTREME SRN AREAS.

BEHIND THIS SYSTEM SOME LOCATIONS FROM THE NRN ROCKIES INTO THE

GRTLKS/OH VALLEY MAY SEE ONE OR MORE DAYS OF LGT SNOW. THOUGH A

LOW PROBABILITY SOLN AT THIS TIME... POTENTIAL EXISTS FOR SOME

RESIDUAL SRN STREAM ENERGY TO GENERATE ANOTHER GULF OF MEXICO WAVE

LATE IN THE PERIOD.

RAUSCH

UKMET onboard the GFS/Canadian train regarding next week...

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37.7 and still dropping here. Gusts to the mid 30's... oh, and we will have another Winter RECON mission in the Pacific. Hopefully we will see some improvement via the NCEP models in regards to our upstream activity in the days ahead. With the progressive pattern of storms and fronts every couple of days, guidance will need all the help it can get, IMO...

NOUS42 KNHC 201730

WEATHER RECONNAISSANCE FLIGHTS

CARCAH, NATIONAL HURRICANE CENTER, MIAMI, FL.

1230 PM EST THU 20 JANUARY 2011

SUBJECT: WINTER STORM PLAN OF THE DAY (WSPOD)

VALID 21/1100Z TO 22/1100Z JANUARY 2011

WSPOD NUMBER.....10-051

I. ATLANTIC REQUIREMENTS

1. NEGATIVE RECONNAISSANCE REQUIREMENTS.

2. OUTLOOK FOR SUCCEEDING DAY.....NEGATIVE.

II. PACIFIC REQUIREMENTS

1. NEGATIVE RECONNAISSANCE REQUIREMENTS

2. SUCCEEDING DAY OUTLOOK.....NEGATIVE.

3. REMARK: MISSION TASKED ON WSPOD 10-050

FOR 21/1200Z WILL FLY AS SCHEDULED

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AREA FORECAST DISCUSSION

NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX

813 PM CST THU JAN 20 2011

.UPDATE...

SEE EVENING UPDATE BELOW.

&&

.DISCUSSION...

01Z...SURFACE ANALYSIS REVEALS A TIGHT PRESSURE GRADIENT IN PLACE.

WINDS CONTINUE TO HOWL ALONG THE COAST. RUC AND NAM12 SHOW WINDS

SLOWLY DECREASING OVERNIGHT. FEEL WINDS WILL GRADUALLY

DECREASE...BUT SUSTAINED WINDS WILL LIKELY REMAIN NEAR 25 MPH FOR

THE NEXT FEW HOURS SO WILL EXTEND THE WIND ADVISORY THROUGH 06Z FOR

THE COASTAL COUNTIES. MIN TEMP FORECAST LOOKS ON TARGET WITH A

FREEZE FOR MOST OF THE AREA. WIND CHILLS POSSIBLY FALLING INTO THE

UPPER TEENS FOR A FEW HOURS AS WELL. NEW ZONES OUT BY 830 PM.

t0.gif

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A brief period of freezing drizzle today but nothing really. Tally for this winter: 4" snow and two episodes of freezing drizzle. Also, one of the DFW TV weather guys is calling for a mild Feb w/ avg precipitation (don't know which one, I never watch the news and only saw it b/c I just turned on the TV and it was on that channel).

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gusting to 30 here. i don't know if 39F has ever felt so cold to me as it did today walking back across campus.

Back home in MN didn't do too poorly this morning.

600 AM CST FRI JAN 21 2011

EDEN PRAIRIE PTCLDY -21 -25 81 CALM 30.10F

6HR MIN TEMP: -21; 6HR MAX TEMP: -14;

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Back home in MN didn't do too poorly this morning.

600 AM CST FRI JAN 21 2011

EDEN PRAIRIE PTCLDY -21 -25 81 CALM 30.10F

6HR MIN TEMP: -21; 6HR MAX TEMP: -14;

Something happens when you move down here. I grew up on Long Island, NY, and the Winters of 76-77 and 77-78, I remember them well. Cold, but somehow we were used to it.

Now, a day like today, highs in the 40s, I'm going to suffer.

I think INL did -46ºF

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Something happens when you move down here. I grew up on Long Island, NY, and the Winters of 76-77 and 77-78, I remember them well. Cold, but somehow we were used to it.

Now, a day like today, highs in the 40s, I'm going to suffer.

I think INL did -46ºF

"Cold" or what is considered "cold", is definitely relative to where you're at.

Yeah, INL hit -46º, breaking today's daily low record by 5 degrees.

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