307
FXUS01 KWBC 270801
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
300 AM EST WED NOV 27 2024
VALID 12Z WED NOV 27 2024 - 12Z FRI NOV 29 2024
...PRE THANKSGIVING TO THANKSGIVING DAY STORM TO PUSH FROM THE MID
MISSISSIPPI/OHIO VALLEY TODAY INTO THE NORTHEAST ON THURSDAY...
...DRY CONDITIONS ON TAP FOR THE WEST COAST AFTER SEVERAL DAYS OF
WET WEATHER...
...MUCH ABOVE AVERAGE TEMPERATURES FROM THE SOUTHERN PLAINS INTO
THE GULF COAST ON TODAY, WHILE MUCH BELOW AVERAGE TEMPERATURES
SPILL OUT INTO THE GREAT PLAINS AND MISSISSIPPI VALLEY THROUGH THE
END OF THE WEEK...
A LOW PRESSURE SYSTEM RESPONSIBLE FOR HEAVY SNOWFALL OVER THE
COLORADO ROCKIES, ENDING THIS MORNING, WILL INTENSIFY INTO A
DYNAMIC MID-LATITUDE CYCLONE AND TRACK THROUGH THE MIDWEST AND
INTO THE NORTHEAST COAST THROUGH THANKSGIVING DAY. SCATTERED
SHOWERS AND THUNDERSTORMS WILL SPREAD ACROSS THE MID/LOWER
MISSISSIPPI VALLEY, OHIO/TENNESSEE VALLEYS, MID-ATLANTIC,
SOUTHEAST AND NORTHEAST COAST BEGINNING TONIGHT AND PROGRESSIVELY
SHIFTING EASTWARD ON THANKSGIVING DAY. A SWATH OF LIGHT TO
MODERATE SNOWFALL IS LIKELY TO DEVELOP ACROSS PORTIONS OF THE
INTERIOR NORTHEAST, WITH THE NORTHERN APPALACHIANS FORECAST TO
RECEIVE 4-8 INCHES OF SNOW BY FRIDAY MORNING.
ELSEWHERE, SNOW SHOWERS ACROSS THE UPPER GREAT LAKES MAY YIELD
ANYWHERE FROM 4-8 INCHES OVER THE NORTHERN COASTLINE OF THE UPPER
PENINSULA OF MICHIGAN AS WELL AS NORTHERN PARTS OF MICHIGAN. A DRY
SPELL ENSUES ACROSS THE WEST AS AN UPPER RIDGE SLOWLY SETTLES IN
OVER THE REGION. SHORTWAVE ENERGY WILL PHASE WITH A NORTHERN
STREAM TROUGH AND AMPLIFY ACROSS THE EASTERN HALF OF THE COUNTRY
IN THE COMING DAYS. THIS DEVELOPMENT WILL ALLOW FOR AN ARCTIC
AIRMASS TO SPILL OUT ACROSS THE GREAT PLAINS AND MISSISSIPPI
VALLEY THROUGH THANKSGIVING DAY BEFORE SPREADING INTO THE EAST
COAST THIS HOLIDAY WEEKEND. PRIOR TO THAT, TODAY WILL BE THE LAST
DAY OF MUCH ABOVE AVERAGE TEMPERATURES THROUGHOUT THE SOUTH. MUCH
OF TEXAS WILL EXPERIENCE HIGH TEMPERATURES BETWEEN 15-25 DEGREES
ABOVE AVERAGE.
KEBEDE
GRAPHICS AVAILABLE AT
HTTPS://WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page