Area Forecast Discussion
Issued by NWS Grand Forks, ND

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000
FXUS63 KFGF 220900
AFDFGF

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GRAND FORKS ND
400 AM CDT WED OCT 22 2014

.SHORT TERM...(TODAY THROUGH THURSDAY)
ISSUED AT 359 AM CDT WED OCT 22 2014

UPPER LEVEL TROUGH OVER THE NORTHERN ROCKIES IS FORECAST TO MOVE
ACROSS THE FORECAST AREA TONIGHT THEN TAKE ON MORE OF A NEGATIVE
TILT THEREAFTER. WATER VAPOR LOOP INDICATED UPPER LEVEL JET WAS
NOSING INTO NV. JET WAS UNDERCUTTING SHORT WAVE RIDGE OVER THE
PACIFIC NORTHWEST.

PRECIPITABLE WATER RISES TO AROUND AN INCH AND A QUARTER BY THIS
AFTERNOON THEN SHIFTS EAST WED NIGHT. SHOWALTER BECOME NEGATIVE AS
850 HPA MOISTURE TRANSPORT SHIFTS NORTH AND EAST TODAY.

UPPER LEVEL TROUGH OVER THE EASTERN PACIFIC FORECAST TO DIG A BIT
FRI WITH DOWN STREAM AMPLIFICATION OF RIDGE/TROUGH OVER THE
ROCKIES/NORTHERN PLAINS RESPECTIVELY. MORE DYNAMICALLY FORCED
ATMOSPHERE WITH RELATIVELY STRONG/150+ KNOT/ UPPER LEVEL JET TO NOSE
INTO FAR SOUTHERN CANADA FRI. UPPER AIR PATTERN IS QUITE
PROGRESSIVE.

.LONG TERM...(THURSDAY NIGHT THROUGH TUESDAY)
ISSUED AT 359 AM CDT WED OCT 22 2014

FOR SAT THROUGH TUE...EXPECT OVERALL DRY WEATHER WITH WARM TEMPS
COOLING TO NEAR OR SLIGHTLY BELOW NORMAL BY EARLY NEXT WEEK. MODELS
ARE IN DECENT AGREEMENT EARLY...AND DIFFER THEREAFTER WITH RESPECT
TO HOW MUCH COLD AIR WILL SPILL INTO THE NORTHERN PLAINS EARLY NEXT
WEEK. FOR NOW...WILL GO WITH THE MODEL CONSENSUS FOR TEMPS OVERALL.

&&

.AVIATION...(FOR THE 06Z TAFS THROUGH 06Z WEDNESDAY NIGHT)
ISSUED AT 1141 PM CDT TUE OCT 21 2014

PRIMARILY LOOKING AT VFR CONDITIONS THROUGH THE PERIOD. SOME
SPOTTY ELEVATED T POSSIBLE ACROSS THE FAR SOUTHERN VALLEY LATE
TONIGHT OTHERWISE MAIN PCPN BAND WILL CROSS DVL MID
MORNING...VALLEY AROUND 18Z AND LATER IN THE AFTERNOON ACROSS THE
EAST.


&&

.FGF WATCHES/WARNINGS/ADVISORIES...
ND...NONE.
MN...NONE.
&&

$$

SHORT TERM...HOPPES
LONG TERM...DK
AVIATION...VOELKER




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