682
FXUS01 KWBC 151959
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
259 PM EST MON JAN 15 2024
VALID 00Z TUE JAN 16 2024 - 00Z THU JAN 18 2024
...HEAVY-LAKE-EFFECT SNOW DOWNWIND FROM THE LOWER GREAT LAKES AND
HEAVY SNOW FROM PARTS OF THE NORTHERN CASCADES, NORTHERN
INTERMOUNTAIN REGION INTO THE CENTRAL ROCKIES...
...THERE IS A THREAT OF RAIN/FREEZING RAIN OVER PARTS OF THE LOWER
MISSISSIPPI VALLEY TO THE NORTHEAST AND PACIFIC NORTHWEST...
...HEAVY RAIN/FREEZING RAIN OVER PARTS OF THE PACIFIC NORTHWEST
FROM TUESDAY EVENING INTO WEDNESDAY EVENING...
...MODERATE TO HEAVY SNOW FROM PARTS OF THE CENTRAL/SOUTHERN
APPALACHIANS TO THE NORTHEAST...
ON MONDAY EVENING, AN AREA OF COLD HIGH PRESSURE OVER THE PLAINS
AND A FRONT WITH MULTIPLE WAVES OF LOW PRESSURE EXTENDING FROM THE
CENTRAL GULF COAST TO THE MID-ATLANTIC WILL MOVE OFF THE EAST
COAST AS LOW PRESSURE MOVES NORTHEASTWARD ALONG THE NORTHEAST
COAST FROM TUESDAY INTO TUESDAY EVENING.
THE STORM WILL HAVE A WINTRY MIX THAT CONTINUES MONDAY EVENING
ACROSS THE SOUTH. AREAS OF SLEET AND FREEZING RAIN WILL CONTINUE
TO IMPACT AREAS FROM THE LOWER MISSISSIPPI VALLEY TO THE SOUTHERN
APPALACHIANS MONDAY EVENING.
SNOW WILL LIFT NORTHWARD FROM THE SOUTHERN APPALACHIANS AND
MID-ATLANTIC TO THE NORTHEAST FROM MONDAY EVENING INTO TUESDAY.
THE SNOW WILL REACH SOUTHERN NEW YORK AND NEW ENGLAND MONDAY
EVENING BEFORE SHIFTING FARTHER NORTH OVERNIGHT MONDAY INTO
TUESDAY AS AN AREA OF LOW PRESSURE DEVELOPS AND MOVES NORTH ALONG
THE COAST. AREAS OF SNOW WILL CONTINUE FROM EASTERN TENNESSEE TO
THE MID-ATLANTIC OVERNIGHT MONDAY.
FURTHERMORE, THE STORM WILL REQUIRE A PLAN FOR HAZARDOUS TRAVEL.
THEREFORE, PLAN ON SLIPPERY ROADS AND HAZARDOUS TRAVEL CONDITIONS
ALONG THE STORM S PATH. TRAVEL COULD BECOME VERY DIFFICULT,
ESPECIALLY IN AREAS IMPACTED BY HEAVY SNOW OR SIGNIFICANT ICE.
MOREOVER, DANGEROUSLY COLD WIND CHILLS CONTINUE, WITH SUB-ZERO
WIND CHILLS CONTINUING TO AFFECT MUCH OF THE ROCKIES, GREAT
PLAINS, AND MIDWEST INTO TUESDAY, WITH WIND CHILLS BELOW NEGATIVE
30 DEGREES BELOW ZERO CONTINUING TO EXTEND OVER CENTRAL PLAINS AND
MIDDLE MISSISSIPPI VALLEY. THESE WIND CHILLS COULD CAUSE FROSTBITE
ON EXPOSED SKIN IN A FEW MINUTES AND HYPOTHERMIA SHORTLY
THEREAFTER. AVOID OUTSIDE ACTIVITIES IF POSSIBLE. IF YOU MUST BE
OUTSIDE, WEAR APPROPRIATE CLOTHING, DRESS IN LAYERS, AND COVER
EXPOSED SKIN. KEEP PETS INDOORS. HAVE A COLD SURVIVAL KIT IF YOU
MUST TRAVEL.
FURTHER, A REINFORCING COLD AIR WILL MOVE IN LATER THIS WEEK.
TEMPERATURES ARE EXPECTED TO MODERATE MIDWEEK. HOWEVER, A NEW
SURGE OF COLDER AIR WILL DROP SOUTH OVER THE NORTHERN PLAINS AND
MIDWEST, REACHING THE DEEP SOUTH BY THE END OF THE WEEK.
MEANWHILE, A STORM WILL MOVE ONSHORE OVER THE PACIFIC NORTHWEST
FROM TUESDAY INTO WEDNESDAY. THE SYSTEM WILL PRODUCE RAIN OVER
PARTS OF THE PACIFIC NORTHWEST INTO NORTHERN/CENTRAL CALIFORNIA,
WITH SNOW OVER HIGHER ELEVATIONS. HEAVY SNOW WILL DEVELOP OVER THE
NORTHERN CASCADES AND HEAVY RAIN/FREEZING RAIN OVER THE COLUMBIA
RIVER BASIN FROM TUESDAY EVENING INTO WEDNESDAY EVENING. THE
COMBINATION OF SNOW AND ICE MAY CAUSE HAZARDOUS ROAD CONDITIONS
THROUGH THIS REGION.
ZIEGENFELDER
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