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Herndon, Virginia |
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| Local Time: 8:04 PM EST on November 11, 2009 (GMT -05) — Set My Timezone | Lat/Lon: 39.0° N 77.4° W (Google Map) | ||||
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Gaithersburg, Maryland (Airport)
Updated: 7:55 PM EST on November 11, 2009
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| Weather Stations |  |
| Station Location | Temp. | Dew Point | Humidity | Wind | Pressure | Precipitation | Windchill | Elevation | Updated | Type | |||
| VADOT Site_G, Herndon, VA | 45 °F | 43 °F | 92% |
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- | 0.03 in / hr | 38 °F | 339 ft | 7:37 PM EST | MADIS | Website | ||
| Great Falls, Great Falls, VA | 44.0 °F | 42 °F | 93% |
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30.23 in | 0.11 in / hr | 44 °F | 339 ft | 8:04 PM EST | Rapid Fire | |||
| APRSWXNET Great Falls VA , Sterling, VA | 44 °F | 42 °F | 94% |
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30.26 in | 0.00 in / hr | 44 °F | 321 ft | 7:45 PM EST | MADIS | Website | ||
| Colvin Run at Hunter Mill Rd (One Lane B, Vienna, VA | 44.7 °F | 43 °F | 93% |
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30.23 in | 0.04 in / hr | 42 °F | 295 ft | 8:00 PM EST | Normal | |||
| Cedar Cove Cluster, Reston, VA | 45.3 °F | 42 °F | 89% |
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30.21 in | 0.04 in / hr | 45 °F | 350 ft | 8:04 PM EST | Rapid Fire | |||
| Lake Fairfax, Vienna, VA | 44.0 °F | 42 °F | 91% |
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29.97 in | 0.04 in / hr | 44 °F | 275 ft | 8:04 PM EST | Rapid Fire | Website | ||
| Hickory Creek, Great Falls, VA | 43.9 °F | 42 °F | 93% |
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30.18 in | 0.00 in / hr | 44 °F | 350 ft | 8:04 PM EST | Rapid Fire | Website | ||
| Weatherscience.net, Potomac Falls, VA | 45.9 °F | 45 °F | 96% |
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29.92 in | 0.05 in / hr | 42 °F | 276 ft | 8:04 PM EST | Rapid Fire | Website | ||
| Hawk Ridge Subdivision (South), Reston, VA | 43.9 °F | 42 °F | 94% |
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30.19 in | 0.05 in / hr | 44 °F | 300 ft | 8:00 PM EST | Normal | Website | ||
| Jim's Front Porch, Oak Hill, VA, VA | 44.9 °F | 42 °F | 88% |
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30.25 in | 0.05 in / hr | 43 °F | 406 ft | 7:57 PM EST | Normal | |||
| APRSWXNET Great Falls V, Great Falls, VA | 45 °F | 43 °F | 94% |
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30.19 in | 0.12 in / hr | 45 °F | 296 ft | 7:03 PM EST | MADIS | Website | ||
| Brookfield, Chantilly, VA | 45.1 °F | 41 °F | 86% |
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29.74 in | 0.08 in / hr | 42 °F | 260 ft | 8:00 PM EST | Normal | |||
| VADOT Dulles_Toll_Rd_W_MP25, Chantilly, VA | 45 °F | 43 °F | 93% |
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- | 0.00 in / hr | 41 °F | 406 ft | 7:29 PM EST | MADIS | Website | ||
| VADOT Site_C, Oakton, VA | 46 °F | 44 °F | 92% |
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- | 0.00 in / hr | 46 °F | 290 ft | 7:14 PM EST | MADIS | Website | ||
| Ashburn Manor, Ashburn, VA | 46.8 °F | 44 °F | 90% |
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30.15 in | 0.00 in / hr | 47 °F | 285 ft | 8:04 PM EST | Rapid Fire | |||
| Broadlands Southern Walk, Ashburn, VA | 44.4 °F | 43 °F | 94% |
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29.97 in | 0.08 in / hr | 41 °F | 320 ft | 8:04 PM EST | Rapid Fire | |||
| VADOT Site_E, Oakton, VA | 46 °F | 44 °F | 94% |
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- | 0.00 in / hr | 46 °F | 353 ft | 7:36 PM EST | MADIS | Website | ||
| Brambleton, Ashburn, VA | 45.3 °F | 43 °F | 91% |
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30.22 in | 0.04 in / hr | 43 °F | 310 ft | 8:04 PM EST | Rapid Fire | |||
| Ridings at Blue Springs, Chantilly, VA | 44.8 °F | 44 °F | 95% |
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30.23 in | 0.04 in / hr | 45 °F | 303 ft | 8:01 PM EST | Normal | Website | ||
| Beulah-Wolf Trap, Vienna, VA | 43.9 °F | 42 °F | 91% |
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30.22 in | 0.05 in / hr | 44 °F | 430 ft | 8:04 PM EST | Rapid Fire | Website | ||
| Broadlands West, Broadlands, VA | 44.2 °F | 42 °F | 92% |
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30.12 in | 0.00 in / hr | 44 °F | 383 ft | 8:00 PM EST | Normal | |||
| Belmont Country Club, Ashburn, VA | 44.7 °F | 42 °F | 92% |
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30.24 in | 0.00 in / hr | 40 °F | 302 ft | 8:04 PM EST | Rapid Fire | |||
| VADOT Dulles_Toll_Rd_E_Plaza, Vienna, VA | 44 °F | 43 °F | 95% |
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- | 0.00 in / hr | 42 °F | 416 ft | 7:30 PM EST | MADIS | Website | ||
| Rosehaven Estates, Fairfax, VA | 46.1 °F | 44 °F | 92% |
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30.23 in | 0.03 in / hr | 42 °F | 470 ft | 7:52 PM EST | Normal | |||
| London Towne West II, Centreville, VA | 44.8 °F | 43 °F | 92% |
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30.22 in | 0.04 in / hr | 45 °F | 262 ft | 8:04 PM EST | Rapid Fire | Website | ||
| Potomac, MD | 44.1 °F | 38 °F | 78% |
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30.08 in | 0.00 in / hr | 44 °F | 361 ft | 7:55 PM EST | Normal | |||
| Kincaid Forest, Leesburg, VA | 45.4 °F | 43 °F | 93% |
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30.20 in | 0.05 in / hr | 42 °F | 294 ft | 8:03 PM EST | Normal | |||
| TNG @ Centre Ridge, Centreville, VA | 44.8 °F | 44 °F | 97% |
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30.16 in | 0.04 in / hr | 45 °F | 297 ft | 8:03 PM EST | Normal |
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Warnings and Notices
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Coastal Flood Watch | |
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Statement as of 1:44 PM EST on November 11, 2009 ... Coastal Flood Watch remains in effect from Friday morning through late Friday night... A coastal Flood Watch remains in effect from Friday morning through late Friday night. Positive tidal departures are expected to increase in magnitude as a strong coastal low pressure system strengthens near the mouth of the Chesapeake Bay. Departures of 2.0 to 3.0 feet above normal high tide will be possible beginning with high tide Friday morning and continuing through late Friday night. Minor coastal flooding is anticipated... but strong winds and anomalies higher than anticipated could result in moderate coastal flooding. Here are the times of the next high tides for a few locations from north to south... on the Chesapeake Bay... Havre de Grace... 5:06 PM and 5:24 am... Fort McHenry Baltimore... 1:53 PM and 2:11 am... Annapolis U.S. Naval Academy... 12:41 am and 1:28 PM... Now along the Potomac River... Alexandria... 3:34 PM and 4:01 am... Indian Head... 3:02 PM and 3:29 am... Goose Bay... 11:35 PM and 12:07 PM... Wicomico river near Cobb Island... 7:31 PM and 8:17 am... A coastal Flood Watch means that conditions favorable for flooding may develop. Coastal residents should be alert for later statements or warnings... and take action to protect property. |
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Public Information Statement | |
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Statement as of 4:39 PM EST on November 11, 2009 ... Street flooding... Several inches of rain are possible over the next couple of days... especially along and east of Interstate 95. The rainfall will be steady and prolonged... therefore flash flooding or river flooding due to heavy rain is not expected. However... this time of year is prime for producing high standing water on roads and streets... especially in urbanized areas. It is also more difficult for rainfall to run off into tidal areas because of higher than normal tides. It is a good idea to check storm drains in your area and clear out fallen leaves and debris. Baltimore City... Washington DC... Alexandria and Annapolis are at greatest risk for street flooding. |
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