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Marine Weather and Tides King George, VA Version 3.4

NOTICE 10/9/2019 Updated the Marine Zones. 9/4/2019 Fixed the weather maps due to NOAA moving them. 7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports. 6/2/2019. Many thanks to a user for reporting an error on one of the Edit pages. The switch to PHP 7.2 caused many pages that previously worked to quit working. I fixed many but I still depend on users to report ones I missed. Please report errors HERE or send an email to me at L-36.com. Allen

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Sunrise 7:13AM

Sunset 4:50PM

Monday December 9, 2019 2:00 PM EST (19:00 UTC)

Moonrise 3:23PM

Moonset 4:23AM

Illumination 95%

NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.

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7 Day Forecast for Marine Location Near King George, VA

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Area Discussion for - Baltimore, MD/Washington

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FXUS61 KLWX 091445 AFDLWX

Area Forecast Discussion National Weather Service Baltimore MD/Washington DC 945 AM EST Mon Dec 9 2019

SYNOPSIS. Low pressure will develop over the central United States and lift into the Great Lakes today. A warm front developing east of this area of low pressure over the Carolinas is expected to lift northward across the Mid-Atlantic today. The aforementioned low will drag its trailing cold front through the region Tuesday into Wednesday. Strong Arctic high pressure will build from the Great Lakes toward the Mid-Atlantic Wednesday night through Thursday night, then shift offshore of New England as low pressure develops over and approaches from the southeastern United States.

NEAR TERM /THROUGH TONIGHT/. A steady rain has developed over much of the area, just about to the I-95 corridor as of 9:30AM. This rain will continue to overspread the rest of the Mid-Atlantic through midday (except perhaps a touch less widespread/steady over southern Maryland, further from upper forcing).

As a lead shortwave impulse in the 700-500 hPa layer pushes northeast by nightfall, the steadier rain will come to an end. The warm front currently positioned to our south should subsequently move northward, with rain becoming more spotty and showery in nature through tonight.

SHORT TERM /TUESDAY THROUGH WEDNESDAY NIGHT/. Surface cold front will move across our area on Tuesday and showers will redevelop into Tuesday night. The front should be east of our area by Tuesday evening but the upper jet dynamics and a mid level energy ahead of a trough will allow for anafrontal precipitation. Cold and dry air advection behind the front will have an impact on the p-type on Tuesday night. A changeover from rain to snow could occur Tuesday night, assuming there is still enough moisture in the column.

If things come together, the most likely areas for snow accumulations are over higher elevation. Highest amounts are about 5 inches at the ridgetops, with up to 3 inches elsewhere (see winter weather website). This of course will depend if cold air moves in fast enough, so there is still some uncertainty with this.

Precipitation will end on Wednesday as Arctic high pressure builds in from the west on Wednesday into the night.

LONG TERM /THURSDAY THROUGH SUNDAY/. Guidance is in relatively good agreement, better than last night, regarding the end of week and weekend. High pressure likely dominates on Thursday, with chilly temperatures but dry conditions. By Friday, low pressure developing near the Gulf coast may start to spread precipitation into the region, but this is more likely Friday night. With the chilly air mass in place, some mixed precipitation, perhaps even freezing rain, will be possible mainly west of the Blue Ridge. By Saturday, the low lifts northward to our west, likely scouring out the cold air and bringing temperatures back above normal across much of the area, though rain showers will continue. As low pressure then moves further away to the north and east by Sunday, drier weather should return, but with little cold air behind the system, temperatures look more likely to remain on the plus side of normal.

AVIATION /15Z MONDAY THROUGH FRIDAY/. Fog near DCA/BWI/MTN lifting as of 15Z, but will soon be followed by vsby reductions in rain (this will affect all terminals today, steadiest north of CHO). CIGs look IFR/LIFR much of today as well with strong low level moist advection just above a surface temperature inversion. LLWS is likely until 00-03Z this evening as LLJ strengthens to 40+ kts at 2 kft. Surface winds out of the south may gust to 20 kts this evening.

A lull in precipitation is expected tonight, but it may remain sub-VFR through much of the night (though conditions may lift after midnight as the warm front lifts north, am skeptical as to just how quickly/if conditions return to VFR). Precipitation will return again Tuesday, most likely after 15Z as a cold front moves through with sub-VFR conditions highly likely during this time. Precipitation may linger through early Wednesday, and a changeover to snow on Tuesday night is expected, with any appreciable accums most likely for the MRB terminal.

High pressure will build in Wednesday, allowing for VFR conditions to return by around or shortly after midday. NW winds will increase and become gusty.

VFR conditions expected Thursday. However, uncertainty exists Friday as some guidance indicates a low pressure may try to lift northward into the region, bringing potential for mixed precipitation.

MARINE. SCA this afternoon for mid Chesapeake Bay/lower tidal Potomac, expanding northward tonight into tomorrow as low level stability decreases and winds mix down a little more readily. After a potential lull Tuesday, confidence is high on winds increasing out of the northwest behind the front Tuesday night into Wednesday.

Winds likely drop below SCA levels by Thursday as high pressure builds in. Friday, some uncertainty exists as low pressure may lift northward into the region.

LWX WATCHES/WARNINGS/ADVISORIES. DC . None. MD . None. VA . None. WV . None. MARINE . Small Craft Advisory from 6 PM this evening to 6 AM EST Tuesday for ANZ530>532-538>540-542. Small Craft Advisory from 1 PM this afternoon to 1 PM EST Tuesday for ANZ534-537-543. Small Craft Advisory from 1 PM this afternoon to 6 AM EST Tuesday for ANZ533-541.

SYNOPSIS . RCM NEAR TERM . IMR/DHOF SHORT TERM . IMR LONG TERM . RCM AVIATION . IMR/RCM/DHOF MARINE . IMR/RCM/DHOF

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Weather Reporting Stations

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Stations	Dist	Age	Wind	Air Temp	Water Temp	Waves	Pressure	DewPt
NCDV2	9 mi	54 min	S 5.1 G 6	48°F	48°F		1014.4 hPa
PPTM2 - 8578240 - Piney Point, MD	35 mi	42 min	SSW 1.9 G 1.9
SLIM2 - 8577330 - Solomons Island, MD	39 mi	42 min	SW 4.1 G 6	49°F	47°F		1014.9 hPa
LWTV2 - 8635750 - Lewisetta, VA	42 mi	48 min	SW 7 G 8	50°F	44°F		1015.4 hPa
BSLM2 - Chesapeake Bay, MD	45 mi	90 min	SSE 4.1	46°F			1016 hPa	46°F
WASD2 - 8594900 - Washington, DC	45 mi	42 min	S 6 G 8.9	45°F	44°F		1015.1 hPa
44062 - Gooses Reef, MD	46 mi	30 min	SSE 3.9 G 3.9	46°F			1015.8 hPa
44042 - Potomac, MD	47 mi	24 min		49°F	47°F		948.4 hPa

Wind History for Piney Point, MD

(wind in knots)    EDIT      (on/off)   Help

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NW8 G11

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SW14 G17

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N16 G21

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N15 G20

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Airport Reports

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Airport	Dist	Age	Wind kt	Visibility	Sky/Weather	Temp	DewPt	Humidity	Pressure
Fredericksburg, Shannon Airport, VA	14 mi	65 min	S 3	10.00 mi	Rain	46°F	45°F	100%	1015.6 hPa
Stafford, Stafford Regional Airport, VA	18 mi	65 min	S 3	4.00 mi	Light Rain	45°F	45°F	100%	1016.9 hPa
Quantico Marine Corps Airfield - Turner Field, VA	20 mi	64 min	SSW 4	2.50 mi	Rain Fog/Mist	46°F	44°F	93%	1016.5 hPa

Link to 5 minute data for KEZF

Wind History from EZF (wind in knots)

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SE9

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Tide / Current Tables for Hopyard Landing, Rappahannock River, Virginia

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Tide / Current Tables for Corbins Neck, Rappahannock River, Virginia

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Weather Map

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GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East

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Wind Forecast for Baltimore, MD/Washington (14,3,4,5)

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Ground Weather Radar Station Sterling, VA

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