Rio Branco, Brazil

3:51 PM AMT on February 10, 2012 (GMT -0400)
Elev: 469 ft
Lon: 67.8° W
Lat: 10.0° S
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Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Kari Kiefer
Weather Underground Forecast for Friday, February 10, 2012.

While tropical cyclone development is not anticipated in the tropical Atlantic Ocean on Friday, a few areas of active weather are expected in the Caribbean Sea and Central America. A ridge of high pressure to the north of the Caribbean Sea will shift eastward, allowing for a cold front to approach the Yucatan Channel. This boundary will stall during the day, becoming positioned just north of the Yucatan Channel and western Cuba. Moisture pooling along this boundary will aid in producing rain showers and thunderstorms along and near the front in western Cuba. Meanwhile, moisture banking along the Caribbean coasts of Central America will create chances of scattered showers and isolated thunderstorms near the coasts of Honduras, Nicaragua, and Belize. In the eastern Caribbean Sea, clusters of isolated showers will move across the Lesser Antilles and portions Puerto Rico and the Virgin Islands.

For South America, a frontal boundary and wave of low pressure will push into southern Chile with strong winds and significant moisture. Heavy rainfall is expected in the southern Andes as this disturbance passes. Lighter showers will spread into southern tail of Argentina. Farther north, a frontal boundary associated with a low pressure system located off the coast of Rio Grande do Sul will kick up widely scattered showers and thunderstorms in Santa Catarina and Sao Paulo.
Weather Underground Forecast for Friday, February 10, 2012.

While tropical cyclone development is not anticipated in the tropical Atlantic Ocean on Friday, a few areas of active weather are expected in the Caribbean Sea and Central America. A ridge of high pressure to the north of the Caribbean Sea will shift eastward, allowing for a cold front to approach the Yucatan Channel. This boundary will stall during the day, becoming positioned just north of the Yucatan Channel and western Cuba. Moisture pooling along this boundary will aid in producing rain showers and thunderstorms along and near the front in western Cuba. Meanwhile, moisture banking along the Caribbean coasts of Central America will create chances of scattered showers and isolated thunderstorms near the coasts of Honduras, Nicaragua, and Belize. In the eastern Caribbean Sea, clusters of isolated showers will move across the Lesser Antilles and portions Puerto Rico and the Virgin Islands.

For South America, a frontal boundary and wave of low pressure will push into southern Chile with strong winds and significant moisture. Heavy rainfall is expected in the southern Andes as this disturbance passes. Lighter showers will spread into southern tail of Argentina. Farther north, a frontal boundary associated with a low pressure system located off the coast of Rio Grande do Sul will kick up widely scattered showers and thunderstorms in Santa Catarina and Sao Paulo.
Weather Underground Broadcast Network
Rio Branco Weather at a Glance
Updated 3:00 PM AMT
Weather Station
Rio Branco (SBRB)
Elevation
469 ft
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Now
Light Rain
Light Rain
Temperature
75 °F
Feels Like 75 °F
Wind(mph)
4
Sunrise / Set
6:31 AM
6:59 PM
Moon
Waning Gibbous
Today
Thunderstorm 88 °F
T-storms
80% chance of precipitation
Tonight
Thunderstorm 72 °F
T-storms
60% chance of precipitation
Tomorrow
Chance of a Thunderstorm 88 | 72 °F
Chance of T-storms
70% chance of precipitation
Sunday
Chance of a Thunderstorm 82 | 72 °F
Chance of T-storms
60% chance of precipitation
Monday
Chance of Rain 81 | 70 °F
Chance of Rain
60% chance of precipitation
Tuesday
Chance of a Thunderstorm 86 | 72 °F
Chance of T-storms
50% chance of precipitation
Today is forecast to be Cooler than yesterday.
Conditions
Pressure
-
Visibility
3.1 miles
Clouds
Scattered Clouds 400 ft
Few 2500 ft
Mostly Cloudy 10000 ft
Moisture
Humidity
100%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR SBRB 101900Z 01003KT 5000 -RA SCT004 FEW025TCU BKN100 24/24 Q10 10
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Weather Radio
Weather Radio Index
Temperature
Temperature
75 °F
Dew Point
75 °F
Wind
Speed / Dir
4 mph from North
Wind Gust
Health
UV
6 out of 16
Pollen
Not available.
Air Quality
Not available.
Flu Activity
Not available.
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Source: BestForecast
Descriptive Forecast
Friday
tstorms Mostly cloudy with a chance of a thunderstorm and rain, then thunderstorms and a chance of a thunderstorm in the afternoon. High of 88°F with a heat index of 102°F. Winds less than 5 mph. Chance of rain 80% with rainfall amounts near 0.3 in. possible.
Friday Night
nt_tstorms Mostly cloudy with thunderstorms and a chance of a thunderstorm, then a chance of rain after midnight. Low of 72°F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Saturday
chancetstorms Mostly cloudy with a chance of a thunderstorm and rain. High of 88°F. Winds less than 5 mph. Chance of rain 70% with rainfall amounts near 0.9 in. possible.
Saturday Night
nt_tstorms Overcast with thunderstorms and a chance of a thunderstorm, then a chance of a thunderstorm and rain after midnight. Low of 72°F. Winds less than 5 mph. Chance of rain 80% with rainfall amounts near 4.9 in. possible.
Sunday
chancetstorms Overcast with a chance of a thunderstorm and rain. High of 82°F with a heat index of 90°F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.4 in. possible.
Sunday Night
nt_chancetstorms Overcast with a chance of rain. Low of 72°F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Monday
chancerain Mostly cloudy with a chance of rain. High of 81°F. Winds from the WNW at 5-10 mph. Chance of rain 60%.
Monday Night
nt_cloudy Overcast. Fog overnight. Low of 70°F. Winds less than 5 mph.
Tuesday
chancetstorms Overcast with a chance of a thunderstorm and rain. High of 86°F with a heat index of 91°F. Winds less than 5 mph. Chance of rain 50%.
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 72°F. Winds less than 5 mph. Chance of rain 20%.
Wednesday
chancetstorms Overcast with a chance of a thunderstorm. High of 82°F with a heat index of 93°F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Wednesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Low of 72°F. Winds less than 5 mph. Chance of rain 50%.
Thursday
chancetstorms Overcast with a chance of a thunderstorm. High of 79°F. Winds less than 5 mph. Chance of rain 50%.
Thursday Night
nt_cloudy Overcast with a chance of a thunderstorm. Low of 70°F. Winds less than 5 mph.
Friday
chancerain Overcast with a chance of rain. High of 81°F. Winds less than 5 mph. Chance of rain 40%.
Friday Night
nt_mostlycloudy Mostly cloudy. Low of 70°F. Winds less than 5 mph.
Saturday
chancerain Mostly cloudy with a chance of rain. High of 86°F with a heat index of 99°F. Winds less than 5 mph. Chance of rain 30%.
Saturday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 70°F. Winds less than 5 mph. Chance of rain 40%.
Sunday
chancerain Mostly cloudy with a chance of rain. High of 86°F with a heat index of 104°F. Winds less than 5 mph. Chance of rain 20%.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 70°F. Winds less than 5 mph.
Monday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 84°F. Winds less than 5 mph. Chance of rain 20%.
Monday Night
nt_chancetstorms Clear with a chance of a thunderstorm. Low of 70°F. Winds less than 5 mph. Chance of rain 20%.

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Forecast
View Calendar 7-Day Weather Forecast for Rio Branco
Friday, 10
Thunderstorm
88 | 72 °F
T-storms
Chance of
Precipitation
80%
Saturday, 11
Chance of a Thunderstorm
88 | 72 °F
Chance of T-storms
Chance of
Precipitation
70%
Sunday, 12
Chance of a Thunderstorm
82 | 72 °F
Chance of T-storms
Chance of
Precipitation
60%
Monday, 13
Chance of Rain
81 | 70 °F
Chance of Rain
Chance of
Precipitation
60%
Tuesday, 14
Chance of a Thunderstorm
86 | 72 °F
Chance of T-storms
Chance of
Precipitation
50%
Wednesday, 15
Chance of a Thunderstorm
82 | 72 °F
Chance of T-storms
Chance of
Precipitation
60%
Thursday, 16
Chance of a Thunderstorm
79 | 70 °F
Chance of T-storms
Chance of
Precipitation
50%
Friday, 17
Chance of Rain
81 | 70 °F
Chance of Rain
Chance of
Precipitation
40%
Source: BestForecast
Descriptive Forecast
Friday
tstorms Mostly cloudy with a chance of a thunderstorm and rain, then thunderstorms and a chance of a thunderstorm in the afternoon. High of 88°F with a heat index of 102°F. Winds less than 5 mph. Chance of rain 80% with rainfall amounts near 0.3 in. possible.
Friday Night
nt_tstorms Mostly cloudy with thunderstorms and a chance of a thunderstorm, then a chance of rain after midnight. Low of 72°F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 76 | 74 85 | 81 81 | 77 76 | 74
Wind 2 mph NW 3 mph NW 1 mph South 1 mph NNE
Humidity 93% 89% 85% 98%
Chance of Precip. 0% 20% 40% 20%
Cloud Cover 78% 78% 84% 78%
Conditions Fog Chance of a Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
6:31 AM
6:59 PM
Source: BestForecast
Descriptive Forecast
Saturday
chancetstorms Mostly cloudy with a chance of a thunderstorm and rain. High of 88°F. Winds less than 5 mph. Chance of rain 70% with rainfall amounts near 0.9 in. possible.
Saturday Night
nt_tstorms Overcast with thunderstorms and a chance of a thunderstorm, then a chance of a thunderstorm and rain after midnight. Low of 72°F. Winds less than 5 mph. Chance of rain 80% with rainfall amounts near 4.9 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 74 | 74 82 | 75 80 | 72 73 | 72
Wind 1 mph NW 3 mph North 4 mph ENE 1 mph NNW
Humidity 97% 80% 78% 98%
Chance of Precip. 20% 20% 40% 50%
Cloud Cover 70% 83% 84% 75%
Conditions Chance of Rain Chance of a Thunderstorm Chance of a Thunderstorm Thunderstorm
Sunrise & Sunset
6:31 AM
6:59 PM
Source: BestForecast
Descriptive Forecast
Sunday
chancetstorms Overcast with a chance of a thunderstorm and rain. High of 82°F with a heat index of 90°F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.4 in. possible.
Sunday Night
nt_chancetstorms Overcast with a chance of rain. Low of 72°F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 74 | 74 80 | 76 80 | 76 76 | 75
Wind 4 mph West 2 mph NW 4 mph NW 2 mph WNW
Humidity 98% 86% 87% 97%
Chance of Precip. 30% 30% 20% 20%
Cloud Cover 83% 87% 98% 92%
Conditions Chance of a Thunderstorm Chance of Rain Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
6:32 AM
6:58 PM
Source: BestForecast
Descriptive Forecast
Monday
chancerain Mostly cloudy with a chance of rain. High of 81°F. Winds from the WNW at 5-10 mph. Chance of rain 60%.
Monday Night
nt_cloudy Overcast. Fog overnight. Low of 70°F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 73 | 73 79 | 74 72 | 71 71 | 67
Wind 3 mph NW 6 mph NW 2 mph West 1 mph NNW
Humidity 95% 84% 98% 90%
Chance of Precip. 30% 20% 30% 0%
Cloud Cover 69% 65% 86% 100%
Conditions Chance of Rain Chance of Rain Chance of Rain Fog
Sunrise & Sunset
6:32 AM
6:58 PM
Source: BestForecast
Descriptive Forecast
Tuesday
chancetstorms Overcast with a chance of a thunderstorm and rain. High of 86°F with a heat index of 91°F. Winds less than 5 mph. Chance of rain 50%.
Tuesday Night
nt_chancetstorms Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 72°F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 74 | 73 82 | 78 80 | 75 73 | 73
Wind 2 mph NNE 5 mph WNW 4 mph WNW 1 mph NNW
Humidity 96% 86% 85% 97%
Chance of Precip. 0% 20% 30% 0%
Cloud Cover 80% 76% 100% 20%
Conditions Fog Chance of a Thunderstorm Chance of a Thunderstorm Fog
Sunrise & Sunset
6:32 AM
6:58 PM
Source: BestForecast
Descriptive Forecast
Wednesday
chancetstorms Overcast with a chance of a thunderstorm. High of 82°F with a heat index of 93°F. Winds less than 5 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.
Wednesday Night
nt_chancetstorms Overcast with a chance of a thunderstorm. Low of 72°F. Winds less than 5 mph. Chance of rain 50%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 74 | 73 81 | 78 77 | 75 73 | 73
Wind 2 mph NNE 4 mph NNW 2 mph SE 1 mph North
Humidity 99% 90% 93% 99%
Chance of Precip. 0% 20% 30% 20%
Cloud Cover 75% 99% 100% 99%
Conditions Fog Chance of a Thunderstorm Chance of a Thunderstorm Chance of Rain
Sunrise & Sunset
6:32 AM
6:58 PM
Source: BestForecast
Descriptive Forecast
Thursday
chancetstorms Overcast with a chance of a thunderstorm. High of 79°F. Winds less than 5 mph. Chance of rain 50%.
Thursday Night
nt_cloudy Overcast with a chance of a thunderstorm. Low of 70°F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 73 | 72 79 | 74 77 | 73 72 | 72
Wind 2 mph North 4 mph NNW 3 mph North 1 mph East
Humidity 98% 87% 85% 98%
Chance of Precip. 20% 30% 20% 10%
Cloud Cover 79% 97% 100% 94%
Conditions Chance of a Thunderstorm Chance of a Thunderstorm Chance of a Thunderstorm Overcast
Sunrise & Sunset
6:32 AM
6:58 PM
Source: BestForecast
Descriptive Forecast
Friday
chancerain Overcast with a chance of rain. High of 81°F. Winds less than 5 mph. Chance of rain 40%.
Friday Night
nt_mostlycloudy Mostly cloudy. Low of 70°F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 71 76 | 72 77 | 68 71 | 66
Wind 3 mph East 2 mph NW 1 mph North 1 mph NE
Humidity 96% 88% 71% 88%
Chance of Precip. 0% 20% 10% 0%
Cloud Cover 92% 90% 77% 72%
Conditions Overcast Chance of Rain Mostly Cloudy Mostly Cloudy
Sunrise & Sunset
6:32 AM
6:58 PM
Source: BestForecast
Descriptive Forecast
Saturday
chancerain Mostly cloudy with a chance of rain. High of 86°F with a heat index of 99°F. Winds less than 5 mph. Chance of rain 30%.
Saturday Night
nt_chancerain Partly cloudy with a chance of rain. Low of 70°F. Winds less than 5 mph. Chance of rain 40%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 69 82 | 72 81 | 76 71 | 71
Wind 1 mph NNW 4 mph WNW 2 mph North 1 mph NNW
Humidity 89% 71% 85% 99%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 83% 87% 58% 62%
Conditions Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:32 AM
6:58 PM
Source: BestForecast
Descriptive Forecast
Sunday
chancerain Mostly cloudy with a chance of rain. High of 86°F with a heat index of 104°F. Winds less than 5 mph. Chance of rain 20%.
Sunday Night
nt_partlycloudy Partly cloudy. Low of 70°F. Winds less than 5 mph.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 72 80 | 78 84 | 79 72 | 67
Wind 1 mph NNW 4 mph WNW 2 mph NW 1 mph NW
Humidity 98% 94% 88% 84%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 93% 82% 61% 53%
Conditions Overcast Mostly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
6:32 AM
6:58 PM
Source: BestForecast
Descriptive Forecast
Monday
chancetstorms Partly cloudy with a chance of a thunderstorm. High of 84°F. Winds less than 5 mph. Chance of rain 20%.
Monday Night
nt_chancetstorms Clear with a chance of a thunderstorm. Low of 70°F. Winds less than 5 mph. Chance of rain 20%.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 72 | 67 79 | 75 77 | 74 73 | 71
Wind 2 mph NW 5 mph WNW 3 mph NW 2 mph NNW
Humidity 80% 84% 91% 93%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 56% 52% 41% %
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
6:32 AM
6:58 PM
 
Nearby
History & Almanac
February 10, 2012 Max Temp Min Temp
Normal 83 °F 72 °F
Yesterday 93 °F 73 °F
Choose a date
Astronomy
Feb. 10, 2012 Rise Set
Actual Time 6:31 AM AMT 6:59 PM AMT
Civil Twilight 6:09 AM AMT 7:20 PM AMT
Nautical Twilight 5:44 AM AMT 7:46 PM AMT
Astronomical Twilight 5:18 AM AMT 8:11 PM AMT
Moon 9:10 PM AMT 8:49 AM AMT
Length Of Visible Light 13h 11m
Length of Day
12h 27m
Tomorrow will be 0m 30s shorter.
Waning Gibbous, 89% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Visit Astronomy
Today's Extremes
Country Highs State Lows
96 °F
Cipo
96 °F
Mocoro
95 °F
Paulo Afonso
95 °F
Afonsos
95 °F
Quixeramobim
57 °F
Bom Jesus (Rio Grande)
61 °F
Pedra Azul
62 °F
Anapolis
63 °F
Campos Novos
63 °F
Bage
Source: WMO
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Aviation
City Temp. Conditions Updated
Rio Branco 75 °F Light Rain 2:00 PM AMT
Rio Branco 75 °F Light Rain 3:00 PM AMT
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Flight To ETA Status
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Type Condition
Flight Rule: MVFR (SBRB)
Wind Speed: 3.0 kts.
Wind Dir: 10° (North)
Ceiling: 10000 ft

METAR SBRB 101900Z 01003KT 5000 -RA SCT004 FEW025TCU BKN100 24/24 Q10 10

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Sports
Event Date Forecast
Alemannia Aachen vs. FC Energie Cottbus 12:00 PM EST on February 10, 2012 Partly Cloudy, High 39° F/ 4° C
TSV 1860 Munchen vs. FC Erzgebirge Aue 6:00 PM CET on February 10, 2012 Overcast, High 12° F/ -11° C
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