FXUS63 KOAX 070815
AFDOAX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
215 AM CST MON FEB 7 2011
.DISCUSSION...TODAY THROUGH WEDNESDAY.
GOING FORECAST IN PRETTY GOOD SHAPE...SO ONLY MINOR TWEAKS DONE HERE
AND THERE. MODELS CONSISTENT ADVERTISING SNOW CHANCES THIS AFTERNOON
THROUGH ABOUT TUESDAY EVENING REVOLVING AROUND STRENGTHENING
BAROCLINIC ZONE SETTING UP FROM ABOUT THE NEB PANHANDLE TO ERN KS.
ALL THIS IN PART TO INCREASING DPVA ASSOCIATED WITH POTENT VORT
ENERGY TRACKING SE THROUGH THE ROCKIES INDUCING SURFACE CYCLOGENESIS
IN NERN CO LATER THIS AFTERNOON. AS OF NOW APPEARS THAT WEST/SOUTH
PERIPHERY OF THE CWA WILL BE MOST AT RISK FOR ACCUMULATING SNOWFALL
DUE TO PROXIMITY OF AGEOSTROPHIC LIFT AXIS. AS FOR AMOUNTS...AM
THINKING GENERALLY 1-2 INCHES SOUTHWEST OF LINE FROM SEWARD TO NEMAHA
COUNTIES. NEXT ISSUE IS ARCTIC AIRMASS ENVELOPING THE REGION. 08Z
OBS INDICATING LEADING EDGE OF COLD AIR WAS ALREADY PUSHING INTO NE
NEB/NW IA AND EXPECT NON-DIURNAL TEMPS WILL RESULT TODAY. AS A
MATTER OF FACT...COMBINATION OF BITTER COLD AND WIND MAY PUSH THE NRN
CWA CLOSE TO WIND CHILL ADV CRITERIA TUESDAY MORNING/MAYBE WEDNESDAY
MORNING WHERE OVERNIGHT LOWS WILL FALL TO AROUND 10 TO 15 BELOW.
DEE
&&
.AVIATION...
06Z TAFS
MVFR CONDITIONS ARE EXPECTED THRU 18-20Z WITH A NORTHWEST WIND
PREVAILING AROUND 11-14KTS. COULD BE SOME SPOTTY FLURRIES VERY EARLY
UNTIL ABOUT 12Z BUT NO SIGNIFICANT VISIBILITY RESTRICTIONS EXPECTED.
NEXT CLIPPER APPROACHING FROM THE NORTHWEST COULD BRING MVFR
CONDITIONS BACK TO KOFK BY 08/03Z.
DEWALD
&&
.OAX WATCHES/WARNINGS/ADVISORIES...
NE...NONE.
IA...NONE.
&&
$$