065
FXUS01 KWBC 131938
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
337 PM EDT SAT APR 13 2024
VALID 00Z SUN APR 14 2024 - 00Z TUE APR 16 2024
..HEAVY MOUNTAIN SNOW IN CALIFORNIA THROUGH SUNDAY
...SEVERE THUNDERSTORMS POSSIBLE OVER INTERIOR PORTIONS OF THE
NORTHEAST ON SUNDAY...
..WELL ABOVE AVERAGE TEMPERATURES ACROSS THE CENTRAL U.S.
A POTENT MID-LEVEL CUT-OFF LOW WILL PROPAGATE THROUGH INTERIOR
PORTIONS OF THE WEST AND INFLUENCE IMPACTFUL WEATHER THROUGH EARLY
NEXT WEEK. HEAVY SNOW WILL DEVELOP OVER THE SIERRA NEVADA AND
SHASTA SISKIYOUS TONIGHT AND CONTINUE THROUGH SUNDAY AFTERNOON AS
THE UPPER TROUGH MOVES ASHORE. SNOWFALL TOTALS BETWEEN 6-12 INCHES
ARE LIKELY TO ACCUMULATE OVER THE NEXT 24 HOURS FOR THE CALIFORNIA
MOUNTAIN RANGES, WITH LOCALLY HIGHER AMOUNTS POSSIBLE AT THE
HIGHEST ELEVATIONS. LIGHT RAIN/SNOW SHOWERS WILL COME TO AN END
OVER INTERIOR NEW ENGLAND TONIGHT. SNOW AND RAIN IMPACTS WILL COME
TO AN END OVER CALIFORNIA ON SUNDAY AS THE UPPER TROUGH SHIFTS
INTO THE FOUR CORNERS REGION.
ENERGY CIRCULATING AROUND THE SOUTHERN PERIPHERY OF AN UPPER
TROUGH STATIONED OVER NORTHERN QUEBEC WILL INFLUENCE POTENTIALLY
IMPACTFUL SEVERE WEATHER ACROSS PARTS OF THE NORTHEAST ON SUNDAY.
A FAST MOVING SURFACE LOW PRESSURE SYSTEM WILL SWING THROUGH THE
REGION DURING THE DAY AND PROMOTE SCATTERED TO ISOLATED SHOWERS
AND THUNDERSTORMS FROM THE OHIO VALLEY INTO THE NORTHEAST. THE
STORM PREDICTION CENTER ISSUED AN ENHANCED RISK OF SEVERE
THUNDERSTORMS OVER PARTS OF PENNSYLVANIA FOR SUNDAY WITH THE
PRIMARY THREAT BEING DAMAGING WINDS WITH A TORNADO OR TWO AND
LARGE HAIL ALSO POSSIBLE. THINGS SHOULD CLEAR UP IN THE NORTHEAST
BY MONDAY.
AMPLIFIED TROUGHING IN THE WEST WILL SUPPORT BELOW AVERAGE
TEMPERATURES ACROSS CALIFORNIA, NEVADA AND INTO THE FOUR CORNERS
REGION THROUGH MONDAY. DOWNSTREAM OF THIS, SOUTHERLY FLOW BENEATH
AN UPPER RIDGE AND WILL ALLOW FOR ANOMALOUS WARMTH TO EXPAND
ACROSS THE CENTRAL U.S. AND EASTERN PARTS OF THE COUNTRY. HIGH
TEMPERATURE ANOMALIES IN THOSE PLACES ARE EXPECTED TO BE BETWEEN
15-25 DEGREES ABOVE AVERAGE OVER THE NEXT COUPLE OF DAYS. A
SERIOUS SEVERE WEATHER EVENT IS LIKELY TO UNFOLD OVER PARTS OF THE
CENTRAL/SOUTHERN PLAINS ON MONDAY NIGHT.
KEBEDE
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