10 Dec 2010 Extended Forecast

AN EXTREMELY POTENT LOW PRESSURE SYSTEM LOCATED OVER WEST CENTRAL
IOWA BROUGHT AREAS OF RAIN ACROSS CENTRAL TO EASTERN PORTIONS OF
THE STATE THIS MORNING. A SHARP COLD FRONT EXTENDED SOUTHWEST FROM
THE LOW INTO KANSAS AND THE OKLAHOMA PANHANDLE. RAIN QUICKLY
CHANGED OVER TO SNOW IN NORTHWEST IOWA BEHIND THE LOW PRESSURE AND
COLD FRONT...AND NORTHWEST WINDS GUSTED TO 40 MPH AT 5 AM CST
THIS MORNING ACROSS THIS AREA. TEMPERATURES RANGED IN THE UPPER
30S TO THE MIDDLE 40S AHEAD OF THE LOW PRESSURE AND COLD FRONT
IN CENTRAL TO EASTERN IOWA...WHILE TEMPERATURE FELL INTO THE
MIDDLE 20S BEHIND THE COLD FRONT IN WESTERN TO NORTHWEST IOWA.




THIS STRONG LOW PRESSURE SYSTEM WILL CONTINUE TO TRACK ACROSS IOWA
TODAY AND TONIGHT. VERY STRONG NORTHWEST WINDS WILL DEVELOP LATE
THIS MORNING AND CONTINUE THROUGH TONIGHT. MODERATE SNOWFALL
ACCUMULATIONS ARE EXPECTED ACROSS MUCH OF CENTRAL TO NORTHERN
IOWA. BLIZZARD CONDITIONS ARE ANTICIPATED LATE THIS MORNING ACROSS
WESTERN IOWA...AND THEN TRANSITIONING FURTHER EAST THIS AFTERNOON
AND TONIGHT INTO CENTRAL TO EASTERN PORTIONS OF THE STATE. THE LOW
PRESSURE SYSTEM WILL FINALLY EXIT THE REGION BY SUNDAY AND WILL BE
REPLACED BY AN ARCTIC HIGH PRESSURE. VERY COLD TEMPERATURES ARE
EXPECTED BY LATE TONIGHT AND WILL CONTINUE TO FILTER INTO THE
STATE SUNDAY AND SUNDAY NIGHT. WIND CHILL READINGS AS LOW AS 20 TO
25 BELOW ZERO ARE POSSIBLE THROUGHOUT THE DAY SUNDAY AND
ESPECIALLY SUNDAY NIGHT.


DRY CONDITIONS AND COLD TEMPERATURES WILL CONTINUE ON MONDAY...BEFORE CHANCE OF SNOW RETURNS BY MIDWEEK.



10 Dec 2010 Extended Forecast




Sat and Sun 11th/12th - Temp dropping to near 20 by 4pm - Rain mixing with Snow by 9am - then Lt Snow after noon with snow totals reaching 1-2 inches by evening -  BCMG Windy with Snow/Blowing Snow thru the afternoon and overnite with an additional 3-4 inches of snow by morning - Continued Breezy Sunday with Lt Snow/Blowing Snow thru sunset - Low Sunday Morning near 0 with Wind Chill near -15.


Mon thru Wed 13th thru 15th - Partly Cloudy - High Temps ranging from 10 Monday to near 25 by Wed - Lows near 0 Monday to 15 Wed - Snow developing early Wed.


Thurs thru Sat 16th thru 18th - Mostly Cloudy with Snow Showers - snow fall appears to be light right now, but a long durations of showers will occur - thus measurable snow over the period is likely.


Sun and Mon 19th/20th - Clearing

Tues 21st - Snow

21ST THRU CHRISTMAS?  WE WILL SEE A WHITE CHRISTMAS.....  WE MAY SEE A "WHITER" CHRISTMAS THAN WE WANT.....THERE'S "A STORMA-BREWIN" ON THE HORIZON FOR AFTER THE 21ST.....  COULD BE A TRAVEL SHOW-STOPPER FOR THE HOLIDAY!  STAY TUNED..................