Prognostic Meteorological Discussion
Issued by NWS

Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4
000
FXUS01 KWBC 021829
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
128 PM EST MON MAR 02 2015

VALID 00Z TUE MAR 03 2015 - 00Z THU MAR 05 2015

...HEAVY SNOW LIKELY OVER PARTS OF THE CENTRAL ROCKIES...

...TEMPERATURES WILL BECOME 15 TO 25 DEGREES BELOW AVERAGE OVER
THE NORTHERN AND CENTRAL PLAINS BY THE MIDDLE OF THE WEEK...

THE MODELS SHOW A STORM SYSTEM CROSSING THE GREAT BASIN TONIGHT
THROUGH TUESDAY, PRODUCING MODERATE TO HEAVY MOUNTAINS SNOWS IN CO
AND ADJACENT WY WITH LOWER ELEVATION SHOWERS ACROSS THE SOUTHWEST.
ONE TO TWO FEET OF SNOW IS LIKELY OVER PREFERRED UPSLOPE REGIONS
IN THE MOUNTAINS.

THE NEXT FRONTAL SYSTEM WILL MOVE OUT OF CANADA AND ACROSS THE
NORTHERN PLAINS.  SNOW WILL BREAK OUT IN THE UPPER MISSISSIPPI
VALLEY AND GREAT LAKES, BECOMING MIXED WITH SLEET AND FREEZING IN
THE MID MISSISSIPPI VALLEY.  FURTHER SOUTH, RAIN SHOWERS ARE
LIKELY IN THE LOWER MISSISSIPPI VALLEY TO THE OHIO VALLEY. TUESDAY
NIGHT INTO WEDNESDAY, THE STORM PROGRESSES QUICKLY ACROSS THE
GREAT LAKES INTO NEW YORK AND NEW ENGLAND.
MORE SNOW IS EXPECTED IN THE NORTHEAST, WITH ANOTHER MIXED
PRECIPITATION EVENT IN THE MID ATLANTIC TUESDAY.

THE TRAILING FRONT SLOWS DOWN IN THE TENNESSEE VALLEY TO THE
SOUTHERN PLAINS. WAVES OF LOW PRESSURE DEVELOP ALONG THIS FRONT ON
WEDNESDAY, RESULTING IN ANOTHER MIXED PRECIPITATION EVENT.  RAIN
NEAR THE FRONT TRANSITIONS TO SLEET, FREEZING RAIN AND THEN SNOW
ACROSS MUCH OF THE SOUTHERN PLAINS TO THE LOWER OHIO VALLEY,
CENTRAL APPALACHIANS AND MID ATLANTIC.  SEVERAL INCHES OF SNOW ARE
POSSIBLE.  SHOWERS WILL DEVELOP SOUTH OF THE FRONT ACROSS THE
LOWER MISSISSIPPI VALLEY TO THE TENNESSEE VALLEY WEDNESDAY.

NORTHWEST WIND USHER IN THE NEXT BLAST OF ARCTIC AIR IN THE
NORTHERN PLAINS TUESDAY, SPREADING SOUTH ACROSS THE CENTRAL AND
SOUTHERN PLAINS TO THE UPPER MISSISSIPPI VALLEY WED. TEMPERATURES
ARE FORECAST TO BE 15 TO 25 DEGREES BELOW NORMAL.  TEMPERATURES
ARE EXPECTED TO BE SEVERAL DEGREES ABOVE NORMAL ALONG THE WEST
COAST AND IN THE SOUTHEAST ON WEDNESDAY.

PETERSEN

GRAPHICS AVAILABLE AT WWW.WPC.NCEP.NOAA.GOV
$$




USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.