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NCDC Climate Monitoring Team
Special Feature
The Nyiragongo Volcano is located near the town of Goma in the
eastern Democratic Republic of the Congo and is one of
Africa's most active volcanoes. The volcano erupted on
January 17 and displaced hundreds of thousands of people from their
homes and claimed many lives. Intense heat rising from the volcano
produced thunderstorms overhead, as captured by satellite
imagery around midday local time.
Asia (Click for map)
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Warmer than average weather prevailed across a large portion of
Asia south of 60 degrees north latitude, as an upper level ridge of
high pressure (depicted by
positive anomalies at 500 millibars) dominated. Temperature
anomalies locally exceeding 5°C (9°F) above the 1992-2002
mean were common from Kazakhstan eastward across much of Mongolia
and northern China.
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Unusually warm weather across southern Russia brought snowmelt
and significant flooding along the Kuban River in the Krasnodar
territory adjacent to the Black Sea. More than 3,000 residents were
evacuated, and hundreds of houses were flooded in several villages
along the river, with some of the worst flooding reported in the
town of Temyruk (BBC).
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An active storm track was displaced farther to the south across
the eastern Mediterranean region and into parts of the Middle East.
A rare
winter storm brought heavy snow and strong winds to parts of
Jordan and Lebanon on the 7th, resulting in scattered power outages
and adversely impacting transportation. Across Syria, the
Associated Press reported that in the mountainous areas near the
city of Tartous, helicopters delivered food supplies to villages
cut off by heavy snow accumulations. Rain
and snow also affected parts of Iran, with flooding responsible
for 11 deaths and around $59 million (USD) in damages in the
southern provinces of the country (UN OCHA). CNN reported that the
Russian Far East was hit by the worst winter storms in nearly 50
years, with widespread power outages and transportation delays
caused by heavy snows.
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Europe (Click
for map)
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A series of winter storms in late December continued to impact
much of southeastern Europe and the eastern Mediterranean region in
early January. Above average snow cover was common across Germany
and Poland, eastward into Romania, Bulgaria and Greece. Across
Albania, the Albanian army
made food deliveries to remote villages that had been cut off
by snow, while in Bulgaria, snow depths of 1.8 meters (~ 6 feet)
blocked roads and rail routes in the northern part of the country.
In Greece, a state of emergency was declared in several provinces
due to heavy snow, with damage to crops reported in the
country’s agricultural areas. BBC news reported that more
than three-quarters of all flights from the Athens International
Airport were canceled during the height of the storm around the 4th
and the Acropolis was closed to visitors.
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Across the remainder
of Europe, mainly dry and relatively mild weather prevailed during
January, with temperatures
near to or above average. England and Wales reported the
mildest January since 1993, with below average precipitation over
most of France, Germany and Italy. Bourges, France recorded
less
than half the normal January precipitation total |
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A powerful North Atlantic storm impacted northern Britain on the
28th, with wind gusts exceeding 45 meters/sec (100 mph) across
Scotland, northern England and Northern Ireland. The minimum
pressure in the storm dipped below 960 hPa (960 millibars or 28.35
inches of mercury) as it brushed northern Scotland during the
morning of the 28th. The gales overturned vehicles, disrupted
travel, left thousands without power and resulted in 7 deaths
(Reuters). The UK Met
Office recorded winds up to 63 meters/sec (141 mph) atop the
Cairngorm mountains in central Scotland. In comparison, the highest
wind speed ever recorded in the area is 77 meters/sec (172
mph).
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Australia &
Indonesia (Click for map)
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Rainfall was near to
or below average across most of Australia during January, with far
northern sections of the Northern Territory recording totals within
the driest 10 percent of record. Wet season monsoonal activity was
displaced to the west across the Indian Ocean, resulting in the
notable dryness across northern areas of the country. |
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An exception to the dryness was the development of tropical cyclone
Bernie in the Gulf of Carpentaria on the 3rd and 4th. Bernie
crossed the coast southwest of Mornington Island with maximum
sustained winds near 40 knots (~21 m/s or 45 mph). The cyclone
caused localized flooding which isolated some communities, but no
major damage was reported. Across New South Wales, locally heavy
rains around mid-month in Sydney alleviated high wildfire danger
that began in December.
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Temperatures were
1-2°C (1.8-3.6°F) below average across a large part of
Western Australia and the central Northern Territory. Warmer than
average temperatures, with positive anomalies between 1-2°C
(1.8-3.6°F), were recorded across parts of Queensland. For more
information regarding Australian weather and climate, see the
Australian Bureau of
Meteorology website. |
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Heavy monsoon rains brought significant
flooding to parts of Indonesia during late January. There were
19 deaths in the capital city of Jakarta, with 33 deaths reported
nationwide (UN OCHA). Around 400,000 people were affected, with
250,000 forced to evacuate their homes in the greater Jakarta
area.
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Africa (Click
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A storm system which developed north of the Cape Verde Islands
around the 10th brought unseasonably heavy rains and cool
temperatures to much of Senegal, Gambia and southwestern
Mauritania. In Senegal, flooding was responsible for 28 deaths and
affected nearly 180,000 people (UN OCHA). There were significant
agricultural losses, with an estimated 470,000 head of
livestock lost. Despite favorable January rains in southwestern
Kenya, drought
conditions continue across the country with food insecurity
expected to persist throughout much of 2002.
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Tropical cyclone
Cyprien developed just off the southwestern coast of Madagascar in
the Mozambique Channel on the 1st and moved inland into the
Malagasy Republic and dissipated by the 3rd. The cyclone made
landfall with maximum sustained winds near 50 knots (~26 meters/sec
or 60 mph) along with locally heavy rain across the southern half
of the island. Rainfall from Cyprien interrupted an otherwise
dry month, with negative precipitation anomalies elsewhere in
Madagascar westward across Botswana and southern Mozambique. |
Tropical cyclone
Dina developed in the Indian Ocean around the 17th and passed
just north of Mauritius on the 22nd before recurving away from land
areas. The
most significant damage was in the northern part of the
country, with around 1,000 people displaced from their homes and an
estimated $40 million (USD) in agricultural losses (UN
OCHA).
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Cold fronts which penetrated unusually far south into
subtropical regions brought significant cold temperature anomalies
into much of Libya, Egypt, Chad and the Sudan. Monthly temperatures
were 2-4°C (3.6-7.2°F) below the 1992-2002 average in these
areas. Notably warm areas were confined to parts of Namibia, Zambia
and Botswana, with January temperatures between 1-2°C
(1.8-3.6°F) above average.
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A prominent upper level ridge of
high pressure anchored over the eastern half of the United
States during January promoted unseasonably mild weather across the
country east of the Rockies, with monthly temperatures exceeding
4°C (7.2°F) above average in the northern Plains along with
a distinct
absence of snow cover. Seasonably cool temperatures, with
monthly departures of -1 to -2°C (-1.8 to -3.6°F) were
common across the Inter-Mountain West. |
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Dry weather
exacerbated drought conditions in
the eastern U.S., and extended northward into the maritime
provinces of Canada. An active Pacific storm track continued to
provide wetter than average weather into the Pacific Northwest,
with low elevation rains and heavy mountain snows. In contrast,
coastal areas of British Columbia northward into the coastal
mountains of Alaska experienced much drier conditions, with monthly
precipitation departures locally exceeding 100 mm (3.9
inches). |
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A drought which
persisted in eastern Brazil throughout much of 2001 was alleviated
by significant rainfall during January. Precipitation amounts were
100-200 mm (3.9-7.9 inches) above the 1979-1995 average. |
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coast of Brazil, nearly 200 mm (7.9 inches) was observed at
Fortaleza. Comparatively, January was much drier across areas of
Ecuador, Peru and Bolivia, where monthly precipitation deficiencies
were between 50 and 100 mm (2-3.9 inches). |
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Temperatures were
1-2°C (1.8-3.6°F) cooler than average in eastern Brazil,
where clouds and rainfall held temperatures down. Meanwhile, dry
weather in Bolivia and Peru was also accompanied by above average
temperatures, with monthly departures of 1-2°C
(1.8-3.6°F). |
References:
Basist, A., N.C. Grody, T.C. Peterson and C.N. Williams, 1998:
Using the Special Sensor Microwave/Imager to Monitor Land Surface
Temperatures, Wetness, and Snow Cover. Journal of Applied
Meteorology, 37, 888-911.
Peterson, Thomas C. and Russell S. Vose, 1997: An overview of
the Global Historical Climatology Network temperature data base.
Bulletin of the American Meteorological Society,
78, 2837-2849.