071
FXUS01 KWBC 210759
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
258 AM EST WED JAN 21 2026
VALID 12Z WED JAN 21 2026 - 12Z FRI JAN 23 2026
...LAKE EFFECT SNOW EXPECTED DOWNWIND OF THE GREAT LAKES OVER THE
NEXT COUPLE OF DAYS...
...DANGEROUSLY COLD ARCTIC AIR SPILLS OUT OVER THE GREAT PLAINS
AND MIDWEST BEGINNING TONIGHT...
SHORTWAVE ENERGY ROTATING AROUND THE BASE OF AN UPPER LOW
STATIONED OVER HUDSON BAY WILL SEND A PAIR OF SURFACE LOW PRESSURE
SYSTEMS THROUGH THE GREAT LAKES REGION OVER THE NEXT COUPLE OF
DAYS. THESE SYSTEMS WILL GENERATE LAKE EFFECT SNOW FOR DOWNWIND
AREAS OF THE GREAT LAKES THROUGH FRIDAY. GENERALLY, ACCUMULATIONS
SHOULD RANGE BETWEEN 6-12 INCHES WITH ISOLATED HIGHER AMOUNTS
ESPECIALLY LIKELY DOWNWIND OF LAKE ONTARIO, WHERE UPWARDS OF 2
FEET MAY OCCUR BY FRIDAY MORNING. WINTER STORM WARNINGS ARE IN
EFFECT DOWNWIND OF LAKES MICHIGAN AND ONTARIO.
FRIGID TEMPERATURES WILL EXPAND ACROSS THE EASTERN 2/3 OF THE
COUNTRY BEHIND AN ARCTIC COLD FRONT. FRIGID SUB-ZERO AND SINGLE
DIGIT TEMPERATURES WILL EXPAND FROM THE NORTHERN PLAINS THURSDAY
INTO THE MID-MISSISSIPPI VALLEY, OHIO VALLEY AND NORTHEAST BY
SUNDAY. THIS ARCTIC BLAST WILL BE ACCOMPANIED BY GUSTY WINDS,
LEADING TO DANGEROUS WIND CHILLS. THE COLDEST WIND CHILLS MAY FALL
BELOW -50 ACROSS THE NORTHERN PLAINS. EXTREME COLD WARNINGS,
EXTREME COLD WATCHES AND COLD WEATHER ADVISORIES ARE IN EFFECT FOR
PARTS OF THE NORTHERN PLAINS AND UPPER MIDWEST BEGINNING TONIGHT.
THIS EXTREMELY COLD AIRMASS, COMBINED WITH A FRONTAL ZONE TO ITS
SOUTH WILL PRODUCE A MAJOR WINTER STORM FROM THE CENTRAL/SOUTHERN
PLAINS TO THE EAST COAST BEGINNING FRIDAY AND CONTINUING THROUGH
THE WEEKEND.
KEBEDE
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