1. California:
MORE VERY COOL WEATHER
Temperatures averaged 2°C to 3°C below normal from the Pacific
Coast eastward to the Sierra Nevada Mountain Range. Lows were generally
in the teens (°C). Highs were in the twenties (°C) along the Coast
while the mercury climbed into the thirties (°C) further inland [COLD
- Up to 4 weeks].
2. Central United States and Eastern Canada:
WARM WEATHER SPREADS EASTWARD
Unusually warm weather, characterized by large weekly departures of +6°C
to +11°C dominated northeastern Canada while temperatures were generally
3°C to 6°C above normal across the northern and central Plains
and western Great Lakes. Readings were generally within 3°C of normal
elsewhere. The mercury soared above 40°C in northwestern Texas and
the western portion of Oklahoma and Kansas while readings in the thirties
(°C) prevailed from the Gulf Coast northward to Hudson Bay, and in
the twenties (°C) further north [WARM - Up to 6 weeks].
3. Northeastern United States:
THUNDERSHOWERS BRING SCATTERED RELIEF; HEAVY RAINS SNARL CHICAGO
Scattered moderate to heavy showers dropped 25 to 100 mm of rain on northern
Illinois and southern Wisconsin, engendering significant flash flooding
in the vicinity of Chicago, IL. Similar totals were reported in parts of
New England, the mid-Atlantic, and central Appalachians. Meanwhile, fewer
than 25 mm of rain fell on the remainder of the area. During the past 8
weeks, precipitation totaled 50 to 220 mm, yielding short-term moisture
deficits of 50 to 150 mm. Please see the United
States Drought Monitor for more complete details [DRY - Up to 7 weeks].
4. Middle Atlantic States:
COOL CONDITIONS END LATE IN THE WEEK
Weekly departures of -2°C to -4°C prevailed across the mid-Atlantic
this past week, but sultry weather and rising temperatures began to affect
the area at the end of the week. Lows were generally in the teens (°C)
while highs were in the thirties (°C), especially late in the week
[COLD - Ending at 5 weeks].
5. South-Central United States:
SIGNIFICANT MOISTURE DEFICITS DOMINATE
Little or no rain fell on Texas, Oklahoma, and adjacent parts of Kansas,
Missouri, and Arkansas again last week. Short-term moisture deficits of
50 to 150 mm dominated the region, with 8-week precipitation totals generally
below 100 mm. Please see the United
States Drought Monitor for more complete details [DRY - Up to 10 weeks].
6. Central America:
SCATTERED MODERATE SHOWERS REPORTED
Between 25 and 50 mm of rain fell on much of the region, with totals approaching
100 mm in Honduras. Despite 8-week precipitation totals in the 100 to 500
mm range, most locations reported short-term moisture deficits in the 100
to 400 mm range [DRY - Up to 13 weeks].
7. Central South America:
LITTLE OR NO RAIN REPORTED
Scanty rainfall (less than 10 mm) dominated Paraguay, northern Argentina,
and adjacent areas of Brazil and Uruguay. Between June 10 and August 4,
precipitation totals were generally less than 150 mm, resulting in 8-week
shortfalls of 50 to 120 mm [DRY - Up to 7 weeks].
8. Europe and Southwestern Asia:
WARM ANOMALY EXPANDS
Temperature departures of +2°C to +6°C prevailed over a large part
of Europe from France, Germany, and the Baltic Sea southeastward to the
Caspian Sea. Readings also averaged 2°C to 5°C above normal for
the week over Turkey southward to Israel, Jordan, and northern Iraq.
The mercury reached as high as 38°C at Nimes, France (44°N) and
46°C at Abu Kamal, Syria (34°N) [WARM - Up to 12 weeks].
9. East-Central Europe:
WETNESS CONTINUES IN PARTS OF REGION
Thunderstorms again brought moderate rains (25 to 80 mm) to southern Poland,
Slovakia, and Slovenia. Little or no rain fell on the remainder of the
region, easing recent wetness. Since June 10th, rainfall totaled 200 to
370 mm in much of the region, yielding moisture excesses of up to 200 mm
[WET - Up to 10 weeks].
10. Southern Africa:
UNUSUALLY COLD WEATHER PREVAILS
Weekly temperature departures of -2°C to -4°C dominated eastern
Namibia, Botswana, Zimbabwe, and northern South Africa, with subfreezing
lows occurring throughout South Africa. The mercury failed to reach 30°C
throughout the depicted region [COLD - Up to 3 weeks].
11. Eastern Siberia:
DRYNESS CONTINUES
Little or no rain fell again across northeastern Siberia, with the exception
of scattered moderate showers of up to 60 mm across the southern portions
of the area. During the past 8 weeks, less than 100 mm has fallen in much
of the region as moisture deficits of 50 to 120 mm have accumulated [DRY
- Up to 10 weeks].
12. Northeastern Asia:
LARGE WARM ANOMALY REMAINS
Temperature departures of +2°C to +7°C persisted over an area extending
from eastern Siberia southward into north-central China. The mercury reached
35°C as far north as Yakutsk, Russia (62°N) [WARM - Up to 16 weeks].
13. East-Central Asia:
THUNDERSTORMS REDUCE DRYNESS
Thunderstorms brought moderate to heavy rains of 50 to 230 mm to parts
of the region extending from China's Sichuan and Guizhou Provinces northeastward
to southern and central Japan. Some of the heavy rains in eastern China
were fueled by the remnants of Typhoon Toraji. Despite the rains, 8-week
precipitation shortfalls of 60 to 300 mm persisted in some areas [DRY -
Up to 10 weeks].
14. Japan:
WARM ANOMALY REMAINS
Temperature departures of +2°C to +4°C again prevailed over central
and southern Japan. The mercury soared into the middle to upper thirties
(°C) over the islands [WARM - Up to 16 weeks].
15. Southeastern Australia:
STILL UNUSUALLY DRY
Between 10 and 50 mm (with isolated higher amounts of up to 100 mm) of
rain fell on southwestern Victoria and northwestern Tasmania, but the remainder
of southeastern Australia received little or none. Fewer than 150 mm of
rain has fallen on the region since June 10, allowing moisture shortages
of 50 to 110 mm to accumulate [DRY - Up to 7 weeks].