CONCERNING...HEAVY SNOW
VALID 021706Z - 022100Z
MODERATE TO HEAVY SNOW WITH RATES NEAR 1 INCH AN HOUR WILL DEVELOP
LATE THIS MORNING ACROSS ERN IA...PROGRESSING NEWD INTO NRN IL AND
SRN WI THROUGH THE AFTERNOON.
A BAND OF HEAVIER SNOWFALL IS BEGINNING TO BECOME MORE WELL DEFINED
ACROSS ERN IA...INTERSECTING A BROAD MOIST SECTOR TO THE EAST AND
COLDER POST-FRONTAL AIR ADVECTING SEWD FROM THE NORTHWEST. MODERATE
SNOW HAS OCCASIONALLY BEEN REPORTED FROM KANSAS CITY NEWD TO OTTUMWA
IA. DRY LOW LEVELS NOTED ON 12Z AREA SOUNDINGS IS LIKELY HINDERING
HEAVIER RATES ATTM...THOUGH GRADUAL MOISTENING WILL CONTINUE TO
SUPPORT AN AMALGAMATION OF SNOWFLAKES. AS SUCH...RATES MAY BRIEFLY
INCREASE LATER THIS MORNING. CURRENT INDICATIONS ARE THAT THIS BAND
WILL PIVOT EWD...LEADING TO A RATHER TRANSITORY THREAT OF HEAVY
SNOWFALL RATES FOR PORTIONS OF NERN MO AND ERN IA. HOWEVER...LATER
TODAY...THE COMBINATION OF VERY FAVORABLE UPPER LEVEL JET DYNAMICS
AND FRONTOGENETICAL FORCING WILL LIKELY LEAD TO THE
DEVELOPMENT/REDEVELOPMENT OF A MORE PRIMARY BAND OF HEAVY
SNOW...FROM ERN IA...NRN IL AND INTO SRN WI.
..HURLBUT.. 03/02/2012
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...GRB...LOT...ILX...MKX...LSX...DVN...ARX...DMX...
EAX...
LAT...LON 43589060 43958932 43868855 43708831 43008784 42208810
41588963 40549073 39629200 39899261 41069254 42839125
43589060
