Area Forecast Discussion
Issued by NWS La Crosse, WI

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000
FXUS63 KARX 010443
AFDARX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LA CROSSE WI
1143 PM CDT FRI OCT 31 2014

.SHORT TERM...(THIS EVENING THROUGH SATURDAY)
ISSUED AT 320 PM CDT FRI OCT 31 2014

MAIN FORECAST CONCERNS ARE ON LOW TEMPERATURES TONIGHT AND
PRECIPITATION CHANCES MONDAY AFTERNOON INTO MONDAY NIGHT.

HIGH PRESSURE BUILDS INTO THE REGION TONIGHT PROVIDING CLEAR SKIES
AND CALM WINDS. THIS WILL SET THE STAGE FOR A VERY CHILLY HALLOWEEN
NIGHT. PLAN ON CLOUDS CLEARING EARLY THIS EVENING WITH TEMPERATURES
PLUMMETING INTO THE 20S. LOW LYING AREAS OVER CENTRAL WISCONSIN WILL
SEE TEMPERATURES FALL INTO THE TEENS OVERNIGHT WITH A FEW SPOTS SUCH
AS BLACK RIVER FALLS AND SPARTA FALLING TO AROUND 10. WHILE IT/S NOT
TYPICAL TO SEE TEMPERATURES THIS COOL FOR THIS TIME OF YEAR IT IS
NOT EXPECTED TO BE RECORD SETTING. THE RECORD LOW TEMPERATURE FOR
NOVEMBER 1ST IS 15 AT LA CROSSE AND 10 AT ROCHESTER. THE CURRENT
FORECAST CALLS FOR A LOW OF 20 AT BOTH LOCATIONS.

THE HIGHS SLIDES EAST OF THE REGION LATE SATURDAY AS LOW
PRESSURE DEVELOPS OVER THE HIGH PLAINS. A MORE SEASONABLE AIRMASS
MOVES INTO THE REGION LATE SATURDAY INTO SATURDAY NIGHT WITH 850 MB
TEMPERATURES WARMING TO AROUND + 3 C. HOWEVER...IT WILL BE A COOL DAY
ACROSS THE REGION ON SATURDAY WITH HIGHS IN THE 40S UNDER MOSTLY
SUNNY SKIES.

.LONG TERM...(SATURDAY NIGHT THROUGH FRIDAY)
ISSUED AT 320 PM CDT FRI OCT 31 2014

WINDS WILL SWING AROUND TO THE SOUTH SATURDAY NIGHT ON THE BACK SIDE
OF THE DEPARTING HIGH. LOW TEMPERATURES WON/T BE AS CHILLY FOR
SUNDAY MORNING BUT STILL ON THE COOL SIDE. LOOK FOR SUNDAY MORNING
LOWS TO RANGE FROM THE MID 20S OVER NORTH CENTRAL WISCONSIN TO
AROUND 30 ACROSS NORTHEAST IOWA.  SUNDAY WILL BE A DRY AN BREEZY DAY
ACROSS THE REGION AS THE PRESSURE GRADIENT TIGHTENS OVER THE REGION.
PLAN ON SOUTH WINDS OF 13 TO 20 MPH WITH GUSTS OF 25 TO 30 POSSIBLE
IN OPEN AREAS. A TROUGH PUSHES INTO THE REGION MONDAY INTO MONDAY
NIGHT AS A BAROCLINIC ZONE SETS UP FROM THE CENTRAL PLAINS INTO THE
WESTERN GREAT LAKES. RAIN SHOWERS ARE EXPECTED TO DEVELOP ACROSS THE
AREA MONDAY AFTERNOON AND LOOK TO CONTINUE INTO MONDAY NIGHT. THE
FRONT FINALLY SHIFTS SOUTHEAST OF THE REGION TUESDAY NIGHT TAKING
THE RAIN WITH IT. NORTHWEST FLOW WILL THEN BE IN PLACE ACROSS THE
REGION TUESDAY NIGHT INTO EARLY WEDNESDAY . A SHORTWAVE LOOKS TO DROP
SOUTHEAST OUT OF NORTH DAKOTA/NORTHERN MINNESOTA EARLY WEDNESDAY
MORNING AND PUSHES ACROSS THE FORECAST AREA DURING THE DAYTIME HOURS
BRINGING THE NEXT CHANCE FOR RAIN OR SNOW WITH IT. ANY SNOW CHANCES
WOULD BE CONFINED TO THE EARLY MORNING HOURS. THE MOST LIKELY
PRECIPITATION TYPE WILL BE RAIN WITH TEMPERATURES WARMING WELL ABOVE
FREEZING AS THE TROUGH APPROACHES. QUIET WEATHER IS EXPECTED ON
THURSDAY WITH HIGH PRESSURE MAKING A RETURN.

&&

.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z SATURDAY NIGHT)
ISSUED AT 1143 PM CDT FRI OCT 31 2014

CLEAR SKIES AND LIGHT WINDS WILL BE THE RULE OVERNIGHT AS A RIDGE
OF HIGH PRESSURE MOVES THROUGH THE REGION. WINDS WILL COME AROUND
TO THE SOUTH AND INCREASE TO AROUND 10KTS OR SO AT RST...LOWER AT
LSE. HIGH LEVEL CLOUD COVER WILL ALSO BE ON THE INCREASE WITH
CONDITIONS STAYING VFR THROUGH SATURDAY EVENING.

&&

.ARX WATCHES/WARNINGS/ADVISORIES...
WI...NONE.
MN...NONE.
IA...NONE.
&&

$$

SHORT TERM...WETENKAMP
LONG TERM...WETENKAMP
AVIATION...HALBACH



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