7:51 a.m.
FGCN01 CWHX 150750
ENVIRONMENT CANADA SAINT JOHN RIVER BASIN TEMPERATURE AND
PRECIPITATION FORECASTS FOR NB POWER ISSUED AT 3:04 AM AST SUNDAY
15 DECEMBER 2024.
MAXIMUM AND MINIMUM TEMPERATURE AND PRECIPITATION FORECASTS FOR THE
UPPER(U), MIDDLE(M) AND LOWER(L) SAINT JOHN RIVER BASIN
U = NORTH OF BEECHWOOD
M = BEECHWOOD TO MACTAQUAC
L = SOUTH OF MACTAQUAC
PRECIPITATION AMOUNTS ARE FOR THE 24 HOUR PERIOD FROM 12Z (0800 AST)
ON THE FIRST DAY TO 12Z ON THE FOLLOWING DAY
TEMPERATURE MAXIMA ARE FOR THE FIRST 12 HOURS OF EACH 24 HOUR PERIOD
(12Z THROUGH 00Z)
TEMPERATURE MINIMA ARE FOR THE SECOND 12 HOURS OF EACH 24 HOUR
PERIOD
(00Z THROUGH 12Z)
SUN. DEC 15, 2024 TO FRI. DEC 20, 2024 (DEG. C)
| S/M | M/T | T/W | W/T | T/F |
TEMP U | -6/-14 | -3/-5 | 6/0 | 2/-2 | 1/-11 |
M | -5/-13 | -1/-5 | 7/0 | 3/-2 | 2/-9 |
L | -3/-11 | 0/-3 | 8/1 | 3/0 | 3/-5 |
SUN. DEC 15, 2024 TO FRI. DEC 20, 2024 (MM)
| S/M | M/T | T/W | W/T | T/F |
PCPN U | 0-0 | 0-4 | 3-10 | 4-10 | 0-3 |
M | 0-0 | 0-1 | 5-12 | 8-8 | 0-2 |
L | 0-0 | 0-0 | 5-16 | 4-10 | 2-4 |
TEMPERATURE NORMALS FOR THE PERIOD (DEG. C):
| DEC 15 | DEC 20 |
TEMP U | -5/-14 | -5/-15 |
M | -3/-13 | -4/-14 |
L | -1/-12 | -2/-13 |
SYNOPSIS: SUNNY WEATHER WILL PERSIST FOR THE NEXT TWO DAYS UNDER A
RIDGE OF HIGH PRESSURE FOLLOWED BY INCREASING CLOUDINESS MONDAY
NIGHT. ON TUESDAY MORNING RAIN WILL SPREAD ACROSS THE REGION, WITH
A BRIEF PERIOD OF SNOW OR FREEZING RAIN POSSIBLE OVER THE UPPER
BASIN AT THE ONSET OF PRECIPITATION. LATER ON TUESDAY RAIN WILL
TAPER TO ISOLATED SHOWERS OR FLURRIES AFTER THE PASSAGE OF A COLD
FRONT.
A SECOND LOW PRESSURE SYSTEM WILL PASS OVER THE MARITIMES
WEDNESDAY NIGHT AND THURSDAY BRINGING SNOW TO THE UPPER AND MIDDLE
BASINS AND RAIN TO THE LOWER BASIN. THERE IS MODERATE TO HIGH
CONFIDENCE IN THIS SCENARIO AND GOOD MODEL AGREEMENT AT THIS TIME.
THE RAIN/SNOW BOUNDARY IS CURRENTLY FORECAST IN THE GUIDANCE TO BE
NEAR THE FRERICTON AREA FOR MOST OF THE EVENT. PRECIPITATION WILL
TAPER OFF THURSDAY MORNING AS THE LOW MOVES OUT OF THE FUNDY
REGION. SCATTERED FLURRIES CAN BE EXPECTED IN THE WAKE OF THE LOW
WITH NO SIGNIFICANT ACCUMULATION.
THE FORECASTER MAY BE CONTACTED AT 1-902-426-4813 OR AT
WEATHERASPC(a)EC.GC.CA
END/ASPC