1. Alaska and Western Canada:
ABNORMALLY COLD WEATHER REPORTED
Temperatures averaged 6°C to 9°C below normal across southern Alaska
while weekly departures of -2°C to -6°C prevailed elsewhere. The
mercury plummeted below -20°C as far south as the Kenai Peninsula.
Meanwhile subfreezing highs covered the entire region, except along the
immediate southern coast [COLD - 2 weeks].
2. South-Central Canada and North-Central United States:
EARLY WINTER STORM SNARLS REGION
An intense storm dumped as much as 40 cm of snow on North Dakota, snarling
transportation, according to press reports [Episodic Event]. Weekly departures
of -6°C to -10°C prevailed across southeastern Alberta, southern
Saskatchewan, and southwestern Manitoba while readings were 3°C to
6°C below normal elsewhere. Lows reached -10°C as far south as
northwestern South Dakota while highs above 20°C were limited to southwestern
North Dakota and eastern Montana [COLD - 2 weeks].
3. Central High Plains:
DRY ANOMALY DEVELOPS
For the 5th consecutive week, central High Plains have received little
or no rain, resulting in 4-week totals among the lowest 10% of the climatological
distribution. Between September 2 and October 27, precipitation has totaled
less than 100 mm, with short-term moisture shortages ranging from 50 to
100 mm [DRY - Up to 5 weeks].
4. Eastern United States:
DRY CONDITIONS RETURN
Little or no rain has fallen on the region during the past 4 weeks. During
September and October, precipitation totaled 50 to 150 mm, with short-term
moisture deficits ranging from 50 to 160 mm. Please see the United States
Drought Monitor for more details [DRY - Up to 4 weeks].
5. Eastern Canada and Central United States:
MODERATE PRECIPITATION ALLOWS SHORT-TERM MOISTURE SURPLUSES
TO PERSIST
Between 25 and 125 mm of precipitation fell on most of the region during
the past week, resulting in 4-week totals among the highest 10% of the
climatological distribution. In September and October, precipitation totals
ranged from 100 to 400 mm, yielding 8-week moisture surpluses in the 50
to 150 mm range [WET - Up to 8 weeks].
6. Eastern Canada:
ABOVE-NORMAL TEMPERATURES CONTINUE
Weekly departures of +2°C to +4°C dominated eastern Canada, with
locally higher departures reaching +6°C in the northern portions of
the region. Highs reached 20°C as far north as Toronto (44°N) while
the mercury remained above -10°C throughout the region during the week
[WARM - Up to 8 weeks].
7. Uruguay and Argentina:
MORE HEAVY RAINS
Torrential rains (100 to 200 mm) inundated western, central, and southern
Uruguay while moderate to heavy precipitation (50 to 100 mm) soaked the
remainder of Uruguay and the Buenos Aires and Entre Rios Provinces of eastern
Argentina. Fewer than 50 mm of rain were reported elsewhere. Between 100
and 460 mm of rain has fallen on the region since September 2, allowing
short-term moisture excesses of 50 to 270 mm to accumulate [WET - Up to
9 weeks].
8. Western Europe and Northwestern Africa:
UNUSUALLY WARM CONDITIONS PERSIST
Temperatures averaged 2°C to 5°C across the western half of Europe
while departures reached as high as +8°C in Algeria and Tunisia. Highs
above 30°C dominated interior northern Africa while readings in the
twenties (°C) prevailed as far north as the northern portions of France
and Romania. Subfreezing lows were limited to the higher elevations of
the Alps [WARM - Up to 5 weeks].
9. Southeastern Europe:
UNUSUALLY DRY WEATHER PREVAILS
Scattered light to moderate showers (25 to 50 mm) were restricted to the
eastern Alps, northern and central Italy, parts of Romania, and a few coastal
locations in Turkey while fewer than 25 mm of rain was reported elsewhere.
Since the beginning of September, precipitation totaled less than 150 mm,
resulting in 8-week shortfalls of 50 to 180 mm [DRY - Up to 6 weeks].
10. China and Korean Peninsula:
WARM ANOMALY DOMINATES
Temperatures averaged 2°C to 6°C above normal across the region,
with weekly departures of +6°C to +8°C reported across northern
China and extreme northern North Korea. Highs in the twenties (°C)
dominated China and the Korean Peninsula, with readings soaring above 30°C
across southern China south of 30°N. Subfreezing lows were restricted
to the extreme northern fringes of the region while the mercury remained
above 20°C along the southern coast of China [WARM - Up to 4 weeks].
11. Southern South Australia:
STILL UNUSUALLY COOL
Temperatures were within 3°C of normal across southern South Australia,
but 2-week averages remained among the lowest 10% of the climatological
distribution. Lows were generally below 10°C, but highs exceeded 30°C
across the interior portions of South Australia [COLD - Up to 4 weeks].