Upper Marlboro, MD

12:26 PM EST on February 10, 2012 (GMT -0500)
Elev: 161 ft
Lon: 76.8° W
Lat: 38.8° N
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Tropical Weather: Tropical Cyclone Giovanna (South Indian Ocean) Tropical Cyclone Jasmine (Southern Pacific)
Weather Summary
Weather Underground Forecast for Friday, February 10, 2012.

Expect active weather to move into the East on Friday, as a trough of low pressure moves from the Southern Plains and into the Eastern Valleys. Flow around this system will pull moisture and energy in from the Gulf of Mexico. This will produce scattered showers and thunderstorms over the Southern Plains and Lower Mississippi River Valley throughout the day. There is a slight chance that these storms will turn severe with strong winds and heavy downpours. The northern side of this system will push a cold front into the Midwest, which will move through the Great Lakes and into the Ohio River Valley. Expect light and scattered snow showers to develop along the front as it passes through northern Michigan and into the eastern Ohio Valley and the Central Appalachians. Warmer temperatures ahead of this system will allow for rain showers to develop in parts of the Mid-Atlantic states and the Tennessee Valley.

Out West, a weak trough of low pressure moves onshore from the Pacific Ocean, bringing some moisture onshore with it. This will produce more rain and high elevation snow showers over the Pacific Northwest. Some of this moisture will stretch southward into northern California, allowing for light rain and high elevation snow showers to spread into the northern Sierras.
Weather Underground Forecast for Friday, February 10, 2012.

Expect active weather to move into the East on Friday, as a trough of low pressure moves from the Southern Plains and into the Eastern Valleys. Flow around this system will pull moisture and energy in from the Gulf of Mexico. This will produce scattered showers and thunderstorms over the Southern Plains and Lower Mississippi River Valley throughout the day. There is a slight chance that these storms will turn severe with strong winds and heavy downpours. The northern side of this system will push a cold front into the Midwest, which will move through the Great Lakes and into the Ohio River Valley. Expect light and scattered snow showers to develop along the front as it passes through northern Michigan and into the eastern Ohio Valley and the Central Appalachians. Warmer temperatures ahead of this system will allow for rain showers to develop in parts of the Mid-Atlantic states and the Tennessee Valley.

Out West, a weak trough of low pressure moves onshore from the Pacific Ocean, bringing some moisture onshore with it. This will produce more rain and high elevation snow showers over the Pacific Northwest. Some of this moisture will stretch southward into northern California, allowing for light rain and high elevation snow showers to spread into the northern Sierras.
Upper Marlboro Weather at a Glance
Updated 12:26 PM EST
Elevation
249 ft
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Now
Clear
Clear
Temperature
44.6 °F
Feels Like 45 °F
Wind(mph)
2.0
Sunrise / Set
7:04 AM
5:38 PM
Moon
Waning Gibbous
Today
Partly Cloudy 49 °F
Partly Cloudy
Tonight
Snow 34 °F
Snow
80% chance of precipitation
Tomorrow
Chance of Snow 43 | 20 °F
Chance of Snow
50% chance of precipitation
Sunday
Partly Cloudy 32 | 25 °F
Partly Cloudy
Monday
Clear 43 | 31 °F
Clear
Tuesday
Mostly Cloudy 47 | 31 °F
Mostly Cloudy
Today is forecast to be nearly the same temperature as yesterday.
Conditions
Pressure
30.08 in
Visibility
10.0 miles
Clouds
Clear -
Moisture
Humidity
46%
Rainfall
0.00 in
Snow Depth
Not available.
METAR
METAR KADW 101655Z AUTO 15003KT 10SM CLR 05/M06 A3010 RMK AO2 SLP199 T00521061
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Weather Radio
Temperature
Windchill
45 °F
Dew Point
25 °F
Wind
Speed / Dir
2.0 mph from SSE
Wind Gust
5.0 mph
Health
UV
4 out of 16
Pollen
2.30 out of 12
Pollen Forecast
Air Quality
Not available.
Flu Activity
Sporadic
View Flu Map
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Regional Forecast for Prince Georges
Rest of Today
partlycloudy Mostly sunny late this morning...then becoming mostly cloudy. Highs around 50. East winds around 5 mph...becoming south around 5 mph this afternoon.
Tonight
nt_snow Rain likely in the evening...then rain or snow likely after midnight. Lows in the mid 30s. East winds around 5 mph... becoming north after midnight. Chance of precipitation 80 percent.
Saturday
snow Mostly cloudy with a chance of rain and snow. Highs in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph... increasing to 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of precipitation 50 percent.
Saturday Night
nt_chancesnow Mostly cloudy. A chance of snow in the evening. Brisk with lows around 20. Northwest winds 20 to 25 mph. Chance of snow 40 percent.
Sunday
partlycloudy Mostly sunny. Highs in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Sunday Night
nt_sunny Mostly clear. Lows in the mid 20s.
Monday
sunny Sunny. Highs in the lower 40s.
Monday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Tuesday
cloudy Mostly cloudy. Highs in the upper 40s.
Tuesday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Wednesday
partlysunny Partly sunny. Highs in the upper 40s.
Wednesday Night
nt_partlycloudy Partly cloudy. Lows around 30.
Thursday
partlysunny Partly sunny. Highs in the upper 40s.
Source: NWS at 10:01 am EST on February 10, 2012
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Forecast
View Calendar 7-Day Weather Forecast for 20772
Friday, 10
Partly Cloudy
49 | 34 °F
Partly Cloudy
Chance of
Precipitation
10%
Saturday, 11
Chance of Snow
43 | 20 °F
Chance of Snow
Chance of
Precipitation
50%
Sunday, 12
Partly Cloudy
32 | 25 °F
Partly Cloudy
Chance of
Precipitation
10%
Monday, 13
Clear
43 | 31 °F
Clear
Chance of
Precipitation
0%
Tuesday, 14
Mostly Cloudy
47 | 31 °F
Mostly Cloudy
Chance of
Precipitation
10%
Wednesday, 15
Partly Cloudy
47 | 29 °F
Partly Cloudy
Chance of
Precipitation
10%
Thursday, 16
Chance of Rain
49 | NA
Chance of Rain
Chance of
Precipitation
20%
Source: NWS at 10:01 am EST on February 10, 2012
Regional Forecast for Prince Georges
Rest of Today
partlycloudy Mostly sunny late this morning...then becoming mostly cloudy. Highs around 50. East winds around 5 mph...becoming south around 5 mph this afternoon.
Tonight
nt_snow Rain likely in the evening...then rain or snow likely after midnight. Lows in the mid 30s. East winds around 5 mph... becoming north after midnight. Chance of precipitation 80 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 30 | 24 45 | 25 46 | 30 40 | 34
Wind 1 mph SSW 3 mph NE 2 mph SSW 1 mph East
Humidity 77% 48% 56% 78%
Chance of Precip. 0% 10% 10% 80%
Cloud Cover 60% 29% 76% 100%
Conditions Partly Cloudy Partly Cloudy Mostly Cloudy Rain
Sunrise & Sunset
7:04 AM
5:38 PM
Source: NWS at 10:01 am EST on February 10, 2012
Regional Forecast for Prince Georges
Saturday
snow Mostly cloudy with a chance of rain and snow. Highs in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph... increasing to 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of precipitation 50 percent.
Saturday Night
nt_chancesnow Mostly cloudy. A chance of snow in the evening. Brisk with lows around 20. Northwest winds 20 to 25 mph. Chance of snow 40 percent.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 35 | 32 41 | 30 36 | 22 27 | 14
Wind 6 mph North 9 mph NW 15 mph NW 19 mph NW
Humidity 90% 64% 58% 58%
Chance of Precip. 80% 50% 50% 40%
Cloud Cover 100% 72% 85% 61%
Conditions Snow Chance of Rain Chance of Snow Chance of Snow
Sunrise & Sunset
7:03 AM
5:39 PM
Source: NWS at 10:01 am EST on February 10, 2012
Regional Forecast for Prince Georges
Sunday
partlycloudy Mostly sunny. Highs in the lower 30s. Northwest winds 15 to 20 mph with gusts up to 30 mph.
Sunday Night
nt_sunny Mostly clear. Lows in the mid 20s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 22 | 11 30 | 12 30 | 13 26 | 13
Wind 16 mph NW 17 mph WNW 13 mph WNW 9 mph WNW
Humidity 61% 46% 48% 58%
Chance of Precip. 40% 10% 10% 10%
Cloud Cover 60% 44% 56% 23%
Conditions Partly Cloudy Partly Cloudy Partly Cloudy Clear
Sunrise & Sunset
7:02 AM
5:40 PM
Source: NWS at 10:01 am EST on February 10, 2012
Regional Forecast for Prince Georges
Monday
sunny Sunny. Highs in the lower 40s.
Monday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 27 | 13 38 | 14 38 | 17 35 | 21
Wind 6 mph West 8 mph WNW 5 mph West 1 mph West
Humidity 53% 37% 42% 56%
Chance of Precip. 0% 0% 0% 0%
Cloud Cover 12% 7% 14% 67%
Conditions Clear Clear Clear Partly Cloudy
Sunrise & Sunset
7:01 AM
5:41 PM
Source: NWS at 10:01 am EST on February 10, 2012
Regional Forecast for Prince Georges
Tuesday
cloudy Mostly cloudy. Highs in the upper 40s.
Tuesday Night
nt_cloudy Mostly cloudy. Lows in the lower 30s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 22 43 | 26 41 | 30 37 | 32
Wind 0 mph NE 5 mph SE 2 mph SSW 0 mph South
Humidity 63% 53% 64% 85%
Chance of Precip. 10% 10% 10% 10%
Cloud Cover 76% 90% 76% 67%
Conditions Mostly Cloudy Overcast Mostly Cloudy Chance of Rain
Sunrise & Sunset
7:00 AM
5:43 PM
Source: NWS at 10:01 am EST on February 10, 2012
Regional Forecast for Prince Georges
Wednesday
partlysunny Partly sunny. Highs in the upper 40s.
Wednesday Night
nt_partlycloudy Partly cloudy. Lows around 30.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 34 | 31 43 | 31 41 | 32 35 | 31
Wind 1 mph West 5 mph NW 3 mph WNW 1 mph NW
Humidity 92% 65% 73% 84%
Chance of Precip. 20% 20% 10% 10%
Cloud Cover 69% 60% 64% 58%
Conditions Chance of Snow Partly Cloudy Partly Cloudy Partly Cloudy
Sunrise & Sunset
7:00 AM
5:43 PM
Source: NWS at 10:01 am EST on February 10, 2012
Regional Forecast for Prince Georges
Thursday
partlysunny Partly sunny. Highs in the upper 40s.
Hourly Forecast 6AM 12 Noon 6PM 12 Midnight
Temp. | Dew Point 32 | 29 45 | 32 47 | 34 35 | 31
Wind 0 mph NNW 1 mph NE 1 mph South 1 mph NW
Humidity 88% 63% 61% 84%
Chance of Precip. 10% 10% 20% 10%
Cloud Cover 28% 41% 75% 58%
Conditions Partly Cloudy Chance of Rain Chance of Rain Partly Cloudy
Sunrise & Sunset
7:00 AM
5:43 PM
BestForecast (what's this?)
Nearby
History & Almanac
February 10, 2012 Max Temp Min Temp
Normal (KDCA) 45 °F 29 °F
Record (KDCA) 68 °F (1959) -8 °F (1899)
Yesterday 47 °F 33 °F
Yesterday's Heating Degree Days: 25
Choose a date
Earthquake Activity
City Distance Mag. Time & Date
No recent earthquake activity has been reported nearby.
Minimum magnitude displayed is 2.5.
Coastal Water Temperatures
Place Temperature
Washington, DC 43.0 °F
Baltimore, MD 43.0 °F
Solomons Island, MD 43.0 °F
Astronomy
Feb. 10, 2012 Rise Set
Actual Time 7:04 AM EST 5:38 PM EST
Civil Twilight 6:37 AM EST 6:06 PM EST
Nautical Twilight 6:05 AM EST 6:37 PM EST
Astronomical Twilight 5:34 AM EST 7:08 PM EST
Moon 9:11 PM EST 8:14 AM EST
Length Of Visible Light 11h 29m
Length of Day
10h 33m
Tomorrow will be 2m 15s longer.
Waning Gibbous, 90% of the Moon is Illuminated
Today
Waning Gibbous
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter
Mar 8
Full
Today's Extremes
State Highs State Lows
50 °F
Salisbury
48 °F
Ocean City
46 °F
Easton
23 °F
Oakland
23 °F
Frederick
26 °F
Hagerstown
Source: NWS
Snow Depth
Station Depth Elevation
No new snow has been reported.
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Travel & Activities
Travel Planning
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Aviation
City Temp. Conditions Updated
Andrews AFB 41 °F Clear 11:55 AM EST
Washington 43 °F Overcast 11:52 AM EST
College Park 43 °F Clear 11:40 AM EST
Fort Meade 41 °F Clear 11:42 AM EST
Flight To ETA Status
JBU683
Boston, MA
KDCA 12:13PM On Time
FFT728
Denver, CO
KDCA 12:21PM On Time
AWE2031
Boston, MA
KDCA 12:25PM On Time
FLG4232
Indianapolis, IN
KDCA 12:28PM On Time
Flight Tracker by FlightAware FlightAware
Type Condition
Flight Rule: VFR (KADW)
Wind Speed: 3.0 kts.
Wind Dir: 167° (SSE)
Ceiling: Unlimited

METAR KADW 101655Z AUTO 15003KT 10SM CLR 05/M06 A3010 RMK AO2 SLP199 T00521061

Nearby Events
Event Date Forecast
American Giant 9:00 AM EST 2012-02-11 Chance of Snow, 38°F
New Edition 8:00 PM EST 2012-02-16 Mostly Cloudy, 43°F
Event data courtesy eviesays.com
Sports
Event Date Forecast
Budweiser Shootout 8:29 PM EST on February 18, 2012 Average High 71° F/ 21° C
Gatorade Duel 1 2:19 PM EST on February 23, 2012 Average High 70° F/ 21° C
Event Date Forecast
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 10, 2012 Partly Cloudy, 47 °F
AT&T Pebble Beach National Pro-Am 8:30 AM PST on February 11, 2012 Chance of Rain, 45 °F
AT&T National 8:30 AM EDT on June 28, 2012 Average High 86° F/ 29° C
AT&T National 8:30 AM EDT on June 29, 2012 Average High 87° F/ 30° C
Weather Stations
Station Location Temp. Windchill Dew Point Humidity Wind Precipitation Elevation Updated Type Website
Queenswood, Upper Marlboro, MD 44.6 °F 45 °F 25 °F 46% SSE  at  2.0 mph 0.00 in / hr 249 ft 12:26 PM EST Rapid Fire
Upper Marlboro, Upper Marlboro, MD 46.3 °F 46 °F 28 °F 48% ENE  at  3.0 mph 0.00 in / hr 253 ft 12:26 PM EST Rapid Fire  
Rolling Acres, Cheltenham, MD 50.5 °F - 25 °F 37% NNE  at  0.0 mph 0.00 in / hr 190 ft 12:26 PM EST Rapid Fire  
NERRS NERRS METEOROLOGICAL SITE PATUXENT, Upper Marlboro, MD 43 °F 43 °F 24 °F 47% NNE  at  2 mph 0.00 in / hr 1 ft 11:30 AM EST MADIS
Camp Springs, MD, Camp Springs, MD 42.6 °F 43 °F 21 °F 42% NE  at  0.0 mph 0.00 in / hr 282 ft 12:00 PM EST Normal  
APRSWXNET Baden MD , Brandywine, MD 44 °F 44 °F 27 °F 51% SSE  at  2 mph 0.00 in / hr 134 ft 11:56 AM EST MADIS
NonFedAWOS POTOMAC , Fort Washington, MD 43 °F 43 °F 21 °F 42% North  at  0 mph 0.00 in / hr 115 ft 11:55 AM EST MADIS
RAWS CEDARVILLE MD, Brandywine, MD 45 °F 45 °F 21 °F 38% South  at  3 mph 0.00 in / hr 200 ft 11:19 AM EST MADIS
KK4GV, Friendship, MD 43.1 °F 43 °F 29 °F 57% ENE  at  0.0 mph 0.00 in / hr 120 ft 12:25 PM EST Normal  
Arbor Greene, Owings, MD 44.8 °F 45 °F 24 °F 45% WNW  at  0.0 mph - / hr 102 ft 12:19 PM EST Normal
MDDOT US-50 at US-301, Bowie, MD 45 °F 45 °F 20 °F 37% NW  at  0 mph 0.00 in / hr 119 ft 12:11 PM EST MADIS
Victoria Station, Owings, MD 44.0 °F 44 °F 26 °F 49% NNW  at  1.0 mph 0.00 in / hr 157 ft 12:16 PM EST Normal
Fairhaven, Traceys Landing, MD 41.9 °F 42 °F 27 °F 56% SE  at  2.0 mph 0.00 in / hr 39 ft 12:26 PM EST Rapid Fire  
DCNet Naval Research Laboratory Washingt, Washington, DC 39 °F 39 °F 10 °F 31% SW  at  3 mph 0.00 in / hr 119 ft 12:00 PM EST MADIS
Northridge, Bowie, MD 45.2 °F 45 °F 24 °F 43% East  at  0.0 mph - / hr 157 ft 12:26 PM EST Normal  
Patuxent Run, Gambrills, MD 42.1 °F 42 °F 29 °F 60% SE  at  0.0 mph - / hr 143 ft 11:38 AM EST Normal  
Near Northeast - H Street Corridor, Washington, DC 46.6 °F 44 °F 24 °F 41% SW  at  6.0 mph 0.00 in / hr 56 ft 12:12 PM EST Normal  
DDMET Greenbelt, MD, Lanham, MD 48 °F 48 °F 22 °F 37% North  at  - 0.00 in / hr 285 ft 12:00 PM EST MADIS
Riverdale Park, Riverdale, MD 42.3 °F 42 °F 22 °F 45% SW  at  1.0 mph 0.00 in / hr 122 ft 12:26 PM EST Rapid Fire
Old Town North, Alexandria, VA 44.0 °F 44 °F 25 °F 46% North  at  0.0 mph 0.00 in / hr 18 ft 12:25 PM EST Normal  
APRSWXNET Huntingtown MD , Sunderland, MD 43 °F 43 °F 26 °F 51% WSW  at  2 mph 0.00 in / hr 121 ft 12:03 PM EST MADIS
SW Washington, Washington, DC 43.2 °F 41 °F 25 °F 49% SSE  at  4.0 mph 0.00 in / hr 22 ft 12:19 PM EST Normal  
Eckington Pl, NE, Washington, DC 42.0 °F 39 °F 25 °F 50% North  at  5.0 mph 0.00 in / hr 90 ft 12:26 PM EST Normal  
Saddlebrook West, Bowie, MD 44.2 °F 44 °F 26 °F 49% NW  at  1.0 mph - / hr 120 ft 12:13 PM EST Normal  
South River Colony, Edgewater, MD 33.7 °F 34 °F 23 °F 65% North  at  0.0 mph 0.00 in / hr 64 ft 8:39 AM EST Rapid Fire  
Belle View, Alexandria, VA 44.4 °F 44 °F 20 °F 37% East  at  0.0 mph 0.00 in / hr 23 ft 12:26 PM EST Rapid Fire  
Del Ray, Alexandria, VA 45.2 °F 45 °F 29 °F 53% SE  at  1.0 mph - / hr 24 ft 12:12 PM EST Normal
DCNet Hoover Building Washington DC, Washington, DC 44 °F 41 °F 22 °F 42% West  at  6 mph 0.00 in / hr 231 ft 12:00 PM EST MADIS
APRSWXNET Alexandria VA , Alexandria, VA 43 °F 43 °F 31 °F 62% NW  at  0 mph 0.00 in / hr 52 ft 12:03 PM EST MADIS
North Beach, MD 42.8 °F 43 °F 29 °F 59% NNE  at  2.0 mph 0.00 in / hr 16 ft 12:20 PM EST Normal
Chesapeake Beach, Chesapeake Beach, MD 48.9 °F 49 °F 12 °F 24% ESE  at  0.0 mph - / hr 43 ft 12:26 PM EST Normal  
Boxwood Village, Greenbelt, MD 46.4 °F 46 °F 23 °F 40% NW  at  2.2 mph 0.00 in / hr 249 ft 12:25 PM EST Rapid Fire  
DCNet DC Municipal Building Washington D, Washington, DC 42 °F 42 °F 19 °F 40% WSW  at  3 mph 0.00 in / hr 304 ft 12:00 PM EST MADIS
Cedar Grove, Crofton, MD 43.1 °F 43 °F 24 °F 46% NE  at  1.0 mph 0.00 in / hr 98 ft 12:26 PM EST Normal  
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Public Information Statement
Mobile & Email Alerts Statement as of 11:30 am EDT on February 10, 2012

... Flood stages to change on the Shenandoah and Rapidan rivers...

On Tuesday... March 13th 2012... the flood stages at two river
forecast locations will be lowered in response to local needs and
impacts.

On the Shenandoah River... the flood stage at Millville in Jefferson
County will be lowered from 13.5 feet to 10.0 feet. Several roads
along the river flood at levels around 10 feet... and lowering the
flood stage will provide transportation officials and local
residents additional notice that these roads are expected to flood.
This change will result in a modest increase in flood warnings at
this location. The Reach of this forecast point affects both
Jefferson County West Virginia... and Clarke County Virginia... and
both counties will be warned when the new... lower... flood stage is
expected to be exceeded.

On the Rapidan river... the flood stage at the gauge south of
Culpeper on the Culpeper-Orange County border will be lowered from
14 feet to 13 feet. Roads and agricultural lands along the river
begin to flood at the 13 foot level... and therefore the lowering of
the flood stage will provide additional warning of these
occurrences. As a result of this change... the action stage... which
was previously 13 feet... will be lowered to 11 feet.

If you have questions about these changes... please contact
Jason Elliott
senior service hydrologist
Jason.Elliott@noaa.Gov