1. Southwestern Canada and Northwestern United States:
COLD AIR PUSHES SOUTHEASTWARD
Temperatures averaged 6°C to 9°C below normal across Alberta and
southern Saskatchewan while weekly temperature departures of -2°C to
-6°C dominated southwestern Canada and the northwestern United States.
Lows plummeted below -20°C in northern Saskatchewan and reached -10°C
as far south as west-central Wyoming [COLD - Up to 9 weeks].
2. Northwestern Texas:
HEAVY RAINS TRIGGER FLOODING
According to the media, significant flooding occurred after heavy rains
(up to 100 mm) fell on the region [Episodic Event].
3. Central and Eastern United States:
TORNADOES BATTER REGION
A strong storm system spawned tornadoes along a path from western Kentucky
eastward through southern Maryland on April 28. The press reported that
several deaths and considerable damage resulted from the storms. The unusually
severe weather in Maryland claimed three lives in the vicinity of La Plata
[Episodic Events].
4. Paraguay and Southwestern Brazil:
STILL UNUSUALLY WARM
Weekly temperature departures ranged from +2°C to +6°C, with highs
generally in the thirties (°C) across Paraguay and much of southwestern
Brazil [WARM - Up to 9 weeks].
5. Uruguay and Northeastern Argentina:
MORE HEAVY RAINS
Between 100 and 200 mm of rain drenched Uruguay last week, with more than
200 mm reported in the north-central portion of the country. Lesser amounts
(10 to 100 mm) of rain fell on adjacent parts of northeastern Argentina.
During the last 13 weeks, 425 to 1080 mm of rain has accumulated across
the region, yielding moisture excesses of 100 to 700 mm [WET - Up to 13
weeks].
6. Western Europe:
DRY ANOMALY DEVELOPS
Little or no rain fell on England, France, and the Benelux Countries for
the 8th consecutive week. Most locations received fewer than 100 mm of
precipitation during the last 56 days, resulting in shortfalls of 50 to
120 mm [DRY - Up to 8 weeks].
7. Pakistan and Northwestern India:
UNUSUALLY HIGH TEMPERATURES REPORTED
Temperatures were generally 2°C to 5°C above normal across most
of Pakistan and the adjacent portions of northwestern India. Weekly high
temperatures ranged from 36°C to 48°C, and the mercury remained
above 20°C throughout the past 7 days [WARM - Up to 3 weeks].
8. Korea and Japan:
WARM ANOMALY ABATES
Weekly temperature departures ranged from +2°C to +5°C, with the
largest positive departures prevailing across northern and central Japan.
Weekly highs ranged from 13°C across the northern parts of Japan and
Korea to 29°C on the Ryukyus. Despite the warm weather, subfreezing
lows covered much of Korea and northern Japan, especially in the higher
elevations [WARM - Ending at 14 weeks].
9. Australia:
UNUSUALLY WARM CONDITIONS OVERSPREAD AUSTRALIA
Temperatures averaged 2°C to 4°C above normal across Australia,
with locally higher temperature departures reaching +5°C at some interior
locations. High temperatures for the week ranged from 23°C in the south
to 39°C at some northern interior stations [WARM - Up to 4 weeks].