352
FXUS01 KWBC 291959
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
358 PM EDT TUE OCT 29 2024
VALID 00Z WED OCT 30 2024 - 00Z FRI NOV 01 2024
...MOUNTAIN SNOW CONTINUES OVER PARTS OF THE CENTRAL AND NORTHERN
ROCKIES THROUGH WEDNESDAY...
..RECORD WARMTH EXPANDS INTO THE EASTERN U.S. THROUGH THURSDAY
...SEVERE THUNDERSTORMS ARE LIKELY ACROSS PORTIONS OF THE CENTRAL
AND SOUTHERN PLAINS AS WELL AS THE MIDDLE AND LOWER MISSISSIPPI
VALLEY ON WEDNESDAY...
A POTENT STORM SYSTEM LOCATED OVER THE CENTRAL AND NORTHERN
ROCKIES WILL CONTINUE TO PRODUCE MODERATE TO HEAVY SNOW ACROSS THE
HIGH ELEVATIONS OF UTAH, WYOMING, AND COLORADO TONIGHT INTO
WEDNESDAY. AN INJECTION OF COLDER AIR COMBINED WITH A TAP OF
SIGNIFICANT MOISTURE WILL RESULT IN SNOW ACCUMULATIONS UP TO A
FOOT FOR MANY MOUNTAIN RANGES IN THE REGION. THE SNOW WILL MAKE
FOR DIFFICULT TRAVEL OVER THE HIGH MOUNTAIN PASSES, ESPECIALLY
DURING THE NIGHTTIME AND EARLY MORNING HOURS TONIGHT INTO
WEDNESDAY. NUMEROUS WINTER STORM WARNINGS AND WINTER WEATHER
ADVISORIES REMAIN IN EFFECT. BE PREPARED FOR WINTER DRIVING
CONDITIONS AND SLOWER TRAVEL SHOULD YOU NEED TO VENTURE OUT INTO
THE HIGH COUNTRY. IN THE WAKE OF THE STORM, MUCH COLDER AIR WILL
LEAD TO FROST AND FREEZE CONCERNS FOR THE LOWER ELEVATIONS TONIGHT
AND AGAIN ON WEDNESDAY NIGHT, LIKELY MARKING AN END TO THE GROWING
SEASON FOR MANY LOCATIONS.
OUT AHEAD OF THE STORM AND COLD FRONT THAT IS BRINGING SNOW TO
PARTS OF THE CENTRAL AND NORTHERN ROCKIES IS A SURGE OF
UNSEASONABLE WARMTH THAT IS GRADUALLY EXPANDING EASTWARD FROM THE
CENTRAL U.S. TO THE EASTERN U.S. THROUGH THURSDAY. HIGH
TEMPERATURES WILL SOAR INTO THE 70S AND 80S ACROSS A LARGE PORTION
OF THE EASTERN HALF OF THE COUNTRY THE NEXT COUPLE OF DAYS, WITH
HIGHS ECLIPSING THE 90 DEGREE MARK ACROSS PARTS OF THE SOUTHERN
PLAINS, LOWER MISSISSIPPI VALLEY, AND SOUTHEAST. TEMPERATURES WILL
REMAIN QUITE MILD AT NIGHT AS WELL, WITH OVERNIGHT LOWS DROPPING
ONLY INTO THE 50S AND 60S. COMPARED TO CLIMATOLOGY, TEMPERATURES
THAT WARM THIS LATE IN THE YEAR ARE EASILY 25 TO 35 DEGREES ABOVE
NORMAL... AND ARE LIKELY TO SET MANY DAILY HIGH AND HIGH MINIMUM
TEMPERATURE RECORDS THROUGH THURSDAY. IN FACT, MANY PLACES ACROSS
THE NORTHEAST AND MID-ATLANTIC ARE LIKELY TO EXPERIENCE THEIR
WARMEST HALLOWEEN ON RECORD, MAKING FOR RATHER PLEASANT CONDITIONS
FOR TRICK-OR-TREATING THURSDAY EVENING.
THE PERIOD OF RECORD WARMTH WILL COME TO AN END ACROSS MUCH OF THE
CENTRAL U.S. BY WEDNESDAY NIGHT INTO THURSDAY AS A PASSING COLD
FRONT IS FORECAST TO BRING MUCH COOLER TEMPERATURES INTO THE
REGION. BEFORE THAT COMES TO FRUITION, THE COLD FRONT WILL BE
RESPONSIBLE FOR SPARKING WIDESPREAD SHOWERS AND THUNDERSTORMS
ACROSS A LARGE PORTION OF THE NATION'S MIDSECTION WEDNESDAY
AFTERNOON, EVENING, AND NIGHT. SOME OF THE STORMS THAT DEVELOP
WILL HAVE THE POTENTIAL TO BECOME SEVERE, WITH DAMAGING WINDS,
LARGE HAIL, AND A FEW TORNADOES POSSIBLE. AS A RESULT, THE STORM
PREDICTION CENTER HAS ISSUED AN ENHANCED RISK OF SEVERE
THUNDERSTORMS (LEVEL 3 OF 5) FOR SOUTHEAST NEBRASKA, NORTHWEST
MISSOURI, MUCH OF EASTERN KANSAS, AND PARTS OF NORTHEAST OKLAHOMA.
OUTSIDE THE ENHANCED RISK LIES A SLIGHT RISK OF SEVERE
THUNDERSTORMS (LEVEL 2 OF 5) WHICH EXTENDS FROM SOUTHWEST IOWA
PARTS OF NORTHERN TEXAS. IN ADDITION TO THE SEVERE THREAT, A FEW
STRONGER STORMS COULD PRODUCE HEAVY RAINFALL. DESPITE RECENT
DRYNESS, ISOLATED INSTANCES OF FLASH FLOODING CANNOT BE COMPLETELY
RULED OUT... AND THE ANOMALOUS MOISTURE IN PLAY WAS ENOUGH FOR THE
WEATHER PREDICTION CENTER TO ISSUE A MARGINAL RISK (LEVEL 1 OF 4)
OF EXCESSIVE RAINFALL FROM CENTRAL WISCONSIN SOUTH TO NORTHEASTERN
TEXAS.
MILLER
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