Weekly Global Climate Highlights Map for August 9, 2003




1. Western and Northern North America:

HIGH TEMPERATURES CONTINUE

Temperatures averaged 2°C to 5°C above normal across much of Canada and the western United States, with the highest departures (up to +12°C) reported across northern Canada. Highs soared into the forties (°C) across Texas and reached 37°C as far north as Castlegar, British Columbia (49°N) [WARM - Up to 10 weeks].

 

2. Great Plains and Rockies:

THUNDERSTORMS ARE WIDELY SCATTERED

Scattered thunderstorms (25 to 80 mm) in the central Rockies and Great Plains again eased dryness, but the remainder of the region received little or no rain. Precipitation totals in most of the area since June 15 were less than 100 mm and were among the lowest 10% of the climatological distribution [DRY - Up to 7 weeks].

 

3. Eastern United States:

MODERATE TO HEAVY RAINS CONTINUE

Moderate to heavy rain showers again spread 50 to 150 mm of rain over the eastern third of the United States. Since June 15, between 200 and 600 mm of rain produced 8-week moisture surpluses of 50 to 400 mm [WET - Up to 21 weeks].

 

4. Western Europe:

DRY WEATHER PREVAILS

Unusually dry conditions continued in Western Europe from France northward into Scandinavia. Since June 15 precipitation totals remained below 100 mm in most of the region, yielding short-term moisture deficits of 50 to 150 mm [DRY - Up to 11 weeks].

 

5. Europe and Northern Africa:

RECORD HEAT IN EUROPE

Weekly departures of +2°C to +11°C covered Europe and northern Africa. Highs soared into the forties and upper thirties (°C) across France, Germany, the Benelux countries, Italy, and the Iberian Peninsula. According to press reports, several all time record temperatures (highs and highest lows) were set in England, France, and Germany. Dozens of deaths were also reported across Europe due to heat-related illnesses [WARM - Up to 12 weeks].

 

6. West-Central Asia:

COOL AIR REMAINS

Weekly departures of -2°C to -4°C prevailed over eastern Kazakhstan and adjacent portions of Russia, China and the central Asian Republics, but the mercury remained above freezing [COLD - 4 weeks].

 

7. Eastern Asian Russia:

MORE WARM WEATHER

Weekly departures of +3°C to +9°C were reported across eastern Siberia with highs in the thirties and upper twenties (°C), and lows remaining above freezing [WARM - Up to 6 weeks].

 

8. East-Central Siberia:

DRYNESS CONTINUES

No rain again fell on east-central Siberia during the past week as eight-week precipitation totals were less than 25 mm and were among the lowest 10% of the climatological distribution [DRY - Up to 7 weeks].

 

9. East Central Asia:

WARM ANOMALY PERSISTS

Temperatures averaging 2°C to 4°C above normal dominated central and southern China with highs reaching into upper thirties and low forties (°C) over much of the region [WARM - 3 weeks].

 

10. Southern China:

SCATTERED SHOWERS EASE DRYNESS

Scattered showers of 25 to 125 mm relieved dry conditions in Yunnan, Guangxi, Guangdong, and Fujian Provinces. Much of the reminder of the area received little or no rain. Between 50 and 500 mm of rain has accumulated since June 15, yielding precipitation shortfalls of 50 to 320 mm [DRY - Up to 9 weeks].