Area Forecast Discussion
Issued by NWS Pueblo, CO

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000
FXUS65 KPUB 242232
AFDPUB

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PUEBLO CO
332 PM MST TUE NOV 24 2009

.SHORT TERM...
(TONIGHT AND WEDNESDAY)

...WEAK FRONT TO MOVE THROUGH AROUND SUNRISE...

CURRENTLY...

EXCEPT FOR SOME PASSING HIGH CLOUDS...SKIES MOSTLY SUNNY ACROSS THE
REGION AT THIS TIME (2 PM). TEMPS ARE SEASONABLE FOR THIS TIME OF
THE YEAR WITH TEMPS IN THE 45-47F RANGE ACROSS THE PLAINS. A WEAK
ANTICYCLONIC GYRE WAS NOTED OVER THE PLAINS...WITH NW FLOW OVER THE
FAR E PLAINS AND WEAK SE FLOW OVER THE I-25 CORRIDOR REGION.

TONIGHT AND TOMORROW...

NOT REALLY TOO MUCH TO WRITE ABOUT THIS FCST PACKAGE. MAIN ISSUE
WILL BE THE MOVEMENT OF A RATHER POTENT SHORTWAVE MOVING SE IN THE
NW FLOW ALOFT. HOWEVER...THIS SHORT WAVE IS PRETTY FAR TO THE
NORTHEAST OF US. ONLY AFFECT THAT THIS WILL HAVE WILL BE TO BRING
ANOTHER WEAK SURGE OF COOLER AIR INTO THE PLAINS TOMORROW. THE
ACTUAL FRONT SHOULD MOVE ACROSS THE REGION AROUND SUNRISE AND REACH
DOWN TO THE CO/NM BORDER BY AFTERNOON. WE MAY SEE SOME MID LVL
CLOUDS ACROSS THE FAR E PLAINS TOMORROW MORNING...BUT IT SHOULD
CLEAR OUT LATER IN THE DAY. SFC FLOW SHOULD BECOME UPSLOPE ALONG THE
I-25 CORRIDOR BY EARLY AFTERNOON...WITH THE WINDS REMAINING NW`ERLY
ACROSS THE FAR E PLAINS. /HODANISH


.LONG TERM...
(WEDNESDAY NIGHT THROUGH TUESDAY)

LONGER TERM ISSUES CONTINUE TO BE TEMPERATURES...GUSTY WINDS AT
TIMES AND POTENTIAL UNSETTLED CONDITIONS FROM THE WEEKEND INTO
EARLY NEXT WEEK.

LATEST LONGER TERM COMPUTER MODELS CONTINUE TO INDICATE THAT DRY
NORTHWEST UPPER FLOW WILL REMAIN OVER THE CWFA FROM WEDNESDAY NIGHT
INTO THANKSGIVING BEFORE BRIEFLY GIVING WAY TO UPPER RIDGING FROM
LATER THURSDAY INTO FRIDAY. EXPECT DRY CONDITIONS TO COVER CWFA
FROM WEDNESDAY NIGHT INTO FRIDAY NIGHT. AS MENTIONED IN PREVIOUS
FEW DISCUSSIONS...THIS METEOROLOGICAL PATTERN WILL ALLOW FOR
UNSEASONABLY WARM LATE NOVEMBER TEMPERATURES...ESPECIALLY DURING
THANKSGIVING DAY AND FRIDAY. GUSTY WINDS WILL ALSO BE POSSIBLE
WEDNESDAY NIGHT...ESPECIALLY OVER THE FAR EASTERN PLAINS.

UNSETTLED CONDITIONS ARE THEN PROJECTED TO DEVELOP FROM THE
WEEKEND INTO EARLY NEXT AS A WEATHER SYSTEM IMPACTS THE AREA.
COMPUTER MODELS HAVING A TOUGH TIME SORTING OUT THE EXACT DETAILS
OF THIS SYSTEM WITH THE 12Z/24TH ECMWF COMPUTER SIMULATIONS
SUGGESTING THAT A CLOSED UPPER LOW OVER EAST-CENTRAL ARIZONA AT
12Z SUNDAY MOVES INTO THE TEXAS PANHANDLE REGION BY 00Z MONDAY AND
THEN INTO EASTERN KANSAS BY 12Z MONDAY. 18Z/24TH DGEX HAS UPPER
LOW OVER THE 4-CORNERS AT 12Z SUNDAY...WHICH SHIFTS TO NEAR EL
PASO TEXAS BY 00Z MONDAY AND THEN NEARS SOUTHERN TEXAS BY 12Z
MONDAY. THE 12Z/24TH GFS40...ON THE OTHER HAND...HAS A CLOSED LOW
OVER SOUTH-CENTRAL ARIZONA AT 12Z SUNDAY WHICH MOVES INTO NORTHERN
OLD MEXICO FROM 00Z TO 12Z MONDAY.

SO FOR SENSIBLE WEATHER...WILL CONTINUE WITH POPS OVER THE CWFA
FROM SATURDAY INTO EARLY NEXT WEEK IN COMBINATION WITH COOLER
TEMPERATURES WHEN COMPARED TO THANKSGIVING DAY AND FRIDAY. FOR
NOW...IT APPEARS THAT THE HIGHEST LIKELIHOOD OF MEASURABLE
PRECIPITATION SHOULD BE NOTED FROM LATER SATURDAY INTO SUNDAY
NIGHT. WARMEST TEMPERATURES OF THE LONGER TERM SHOULD BE NOTED ON
THURSDAY AND FRIDAY...WHILE COOLEST TEMPERATURES OF THE LONG
SHOULD BE EXPERIENCED ON SUNDAY. FINALLY...GUSTY WINDS ANTICIPATED
FROM SUNDAY INTO MONDAY.

&&

.AVIATION...

VFR CONDITIONS EXPECTED AT THE 3 TAF SITES KCOS...KPUB AND KALS
THROUGH THE NEXT 24 HOURS. A WEAK COOL FRONT WILL MOVE SOUTH ACROSS
THE PLAINS AROUND SUNRISE BUT THIS FRONT SHOULD HAVE MINIMAL...OR NO
AFFECT ON AIRPORT OPERATIONS.

&&

.PUB WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$




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  • Page last modified: Nov 10th, 2009 17:45 UTC
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