429
FXUS01 KWBC 061938
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
237 PM EST FRI DEC 06 2024
VALID 00Z SAT DEC 07 2024 - 00Z MON DEC 09 2024
..MORE WINTER WEATHER FOR THE GREAT LAKES REGION
...ARCTIC AIR CURRENTLY ENGULFING MUCH OF THE EASTERN U.S. WILL
GRADUALLY MODERATE OVER THE NEXT COUPLE OF DAYS...
..THE NEXT STORM SYSTEM ENTERS THE WEST THIS WEEKEND
CONDITIONS REMAIN FAVORABLE FOR LAKE EFFECT SNOW DOWNWIND OF THE
GREAT LAKES. COLD AIR, RELATIVELY WARMER LAKE WATER TEMPERATURES,
AND PERSISTENT NORTHWESTERLY FLOW WILL BE INGREDIENTS FOR SOME
REGIONS TO SEE FEET OF SNOW ACCUMULATIONS. WESTERN NEW YORK AND
NORTHWESTERN PENNSYLVANIA ARE UNDER A LAKE EFFECT STORM WARNING
INTO SATURDAY, WITH TRAVEL CONDITIONS HAZARDOUS AS HIGH WINDS WILL
HELP LOWER VISIBILITY DUE TO BLOWING SNOW. FURTHER NORTH INTO THE
SHORES OF WESTERN NEW YORK ALONG LAKE ONTARIO, 1-2 FEET OF SNOW
ACCUMULATIONS ARE POSSIBLE THROUGH SUNDAY AS LAKE EFFECT SNOW
BANDS CONTINUE. ADDITIONALLY, A SERIES OF FRONTS WILL BE MOVING
NORTHWEST TO SOUTHEAST THROUGH THE GREAT LAKES FROM
WISCONSIN/MICHIGAN TO THE NEW ENGLAND REGION THIS WEEKEND. THIS
WILL ADD CHANCES FOR SNOW ON TOP OF THE LAKE EFFECT SNOW AND WILL
HELP REINFORCE THE COLD AIR OVER THE REGION.
THE COLD AIR IS ENTRENCHED OVER THE EASTERN U.S. TODAY; HIGH
TEMPERATURES IN THE DEEP SOUTH WILL BE IN THE 30S AND 40S THIS
AFTERNOON. LOW TEMPERATURES IN THE 20S WILL BE POSSIBLE ACROSS
MUCH OF THE SOUTHEASTERN U.S. SATURDAY MORNING AND GENERALLY LOWER
30S SUNDAY MORNING. AREAS IN NORTHERN FLORIDA ARE UNDER A FREEZE
WARNING AND PEOPLE SHOULD TAKE COLD WEATHER PRECAUTIONS AND
PROTECT SENSITIVE VEGETATION. HIGH TEMPERATURES SHOULD START TO
MODERATE ACROSS THE EAST BY SUNDAY AS ANOMALOUSLY WARM
TEMPERATURES ACROSS THE CENTRAL U.S. SHIFT INTO THE REGION. HIGHS
SHOULD BE IN THE 60S AND 70S SUNDAY ACROSS THE SOUTHEAST AND 50S
AND 40S ACROSS THE MID-ATLANTIC AND NORTHEAST.
AFTER A TRANQUIL FRIDAY, INCREASINGLY UNSETTLED WEATHER IS
EXPECTED FOR THE PACIFIC NORTHWEST BY THE WEEKEND. RAIN SHOWERS
AND SOME HIGH ELEVATION SNOW WILL RETURN TO WASHINGTON STATE AND
OREGON BY SATURADAY AS THE NEXT
FRONT MOVES THROUGH. THE MOUNTAIN SNOW AND LOW-ELEVATION RAIN
WILL PROGRESS FARTHER INLAND, REACHING INTO THE NORTHERN ROCKIES
BY EARLY SUNDAY AS A LOW PRESSURE SYSTEM BEGINS TO DEVELOP ACROSS
THE NORTHERN HIGH PLAINS INTO ALBERTA PROVINCE OF CANADA. WINTER
STORM WARNINGS AND ADVISORIES ARE ACTIVE ACROSS THE NORTHERN
ROCKIES THROUGH SATURDAY WHERE SEVERAL INCHES OF SNOWFALL AND SOME
ICING POTENTIAL WILL CREATE HAZARDOUS TRAVEL CONDITIONS.MUCH OF
THE REMAINDER OF THE WESTERN U.S. WILL REMAIN DRY AND MILDER THAN
NORMAL AS HIGH PRESSURE DOMINATES.
LASTLY, TEXAS AND THE EASTERN GULF COAST WILL HAVE A RATHER COOL
AND WET WEEKEND AS MOISTURE STREAMS IN ALONG A WARM FRONT AND
SURFACE LOW IN THE GULF OF MEXICO. AN UPPER LEVEL TROUGH MOVING
INTO THE REGION MAY ALSO HELP SUPPORT LIFT AND HELP RAISE RAIN
CHANCES. A HEAVIER RAIN THREAT MAY EMERGE FROM THE CENTRAL GULF
COAST INTO THE MISSISSIPPI VALLEY BY SUNDAY. A COUPLE OF INCHES OF
RAIN ARE POSSIBLE AND SOME ISOLATED INSTANCES OF FLOODING MAY
OCCUR SUNDAY AND HEADING INTO NEXT WEEK.
WILDER
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