Sunday, December15, 2019
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Marine Weather and Tides
Pulaski, 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

Sunrise 7:27AMSunset 5:07PM Sunday December 15, 2019 11:49 AM EST (16:49 UTC) Moonrise 8:47PMMoonset 10:34AM Illumination 84% Phase: Waning Gibbous; Moon at 19 days in cycle
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.
Marine Forecasts
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7 Day Forecast for Marine Location Near Pulaski, VA
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location: 37.18, -80.88     debug


Area Discussion for - Blacksburg, VA
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FXUS61 KRNK 151127 AFDRNK

Area Forecast Discussion National Weather Service Blacksburg VA 627 AM EST Sun Dec 15 2019

SYNOPSIS. High pressure will briefly build into the area today. A low pressure system will impact the area Monday through Tuesday. High pressure returns Wednesday and Thursday. The high center will slide off into the Atlantic ocean Friday, as low pressure approaches from the Mid- Mississippi Valley.

NEAR TERM /THROUGH TONIGHT/. As of 415 AM EST Sunday .

Upslope precipitation and clouds will wither away this morning as moisture moves north of I-64. Winds may also be a bit breezy this morning before a surface high pressure builds into the region under zonal flow aloft this afternoon. Temperatures this afternoon will warm into the 40s across the mountains to the 50s east of the Blue Ridge. Today's temperatures will be 3F-6F warmer than normal.

A warm front will stall across the southern Ohio Valley tonight. Short waves tracking along this boundary may bring a brief period of snow to southeastern West Virginia around midnight, changing to rain through the morning hours Monday. There is a small chance that surface temperatures will dip below freezing while warm air enters aloft across Greenbrier county and the Alleghany Highlands tonight. This may produce a period of light freezing rain between midnight and sunrise. Snow (around an inch) and ice (glazing) accumulations will remain light to not warrant any headlines. For areas south to HWY 460 a cold rain is likely. South of 460 into northwest North Carolina should remain dry until Monday.

Low temperatures (in the 30s) across the mountains should occur by midnight, then remain steady or slowly rise overnight. With more time under clear skies and light winds tonight east of the Blue Ridge, lows will occur at their normal time, just before sunrise.

SHORT TERM /MONDAY THROUGH WEDNESDAY NIGHT/. As of 315 AM EST Sunday .

Whatever wintry precipitation occurs across the Interstate 64 corridor from early Monday morning should transition over to rain before noon as temperatures increase above freezing. The entire region should be under the influence of the warm sector from the low pressure system by Monday afternoon and Monday night. The bulk of the moisture should push eastward during Monday night into Tuesday morning ahead of an approaching cold front. The increased confidence of rain occurring during this time period has been denoted in the higher probabilities toward categorical status.

Although model guidance appears good in agreement with one another through Monday night, that agreement begins to waver by Tuesday as the latest GFS pushes the cold front toward the coast several hours faster than the ECMWF and Canadian models. A middle of the road approach was utilized for Tuesday by delaying the departure of the precipitation a little from the previous forecast. Temperatures will follow a non-diurnal curve as they fall for most of the day behind the frontal passage west of the Blue Ridge, while the Piedmont may remain mild until the afternoon when the cold front arrives. As temperatures fall below freezing in the mountains courtesy of cold air advection from increasing northwest winds, expect the rain to transition to snow showers. Only minor snowfall accumulations are anticipated for western Greenbrier County for Tuesday afternoon into Tuesday night. Wind gusts were also bumped upward during the same timeframe for the entire region, and it may be possible for the higher ridgetops to approach advisory criteria.

The snow showers, cold air advection, and gusty northwest winds should begin to subside by early Wednesday morning as high pressure begins to build eastward from the Plains. 850 mb temperatures should dip toward -10 C along the Interstate 64 corridor as the upper level trough passes to the north during Wednesday. The cooler side of guidance was favored for high temperatures on Wednesday to accommodate for the passing upper level trough and the lingering cold air advection from northwest flow. The center of high pressure should reach the Appalachian Mountains by Wednesday night, which will lend to good radiational cooling.

LONG TERM /THURSDAY THROUGH SATURDAY/. As of 350 PM EST Saturday .

High pressure will head eastward through the southeast U.S. into Thursday, with our region experiencing no precipitation and little to no cloud cover. Temperatures will drop to well below normal levels with widespread lows in the teens and 20s during the later half of the week.

Once the center of the high reaches the GA/SC coast on Friday and low pressure moves east into the mid- Mississippi Valley, look for a return of southwest winds and both increasing temperature and moisture advection. At this time, no precipitation is forecast for Friday. However, cloud cover is expected to be on the increase. The weekend is very questionable weatherwise and no specifics can be addressed yet at this point in time. The GFS advertises potential for a snow storm by the weekend while the ECMWF insists that such a weather system will remain far to the south with little to no precipitation this far north. Have left the weekend with 15% pops for now and just a rain/snow mix.

Wednesday through Friday, temperatures are expected to average five degrees below normal.

Confidence in this portion of the forecast is moderate to high.

AVIATION /12Z SUNDAY THROUGH THURSDAY/. As of 1125 AM EST Sunday .

VFR conditions will prevail east of the Blue Ridge with downsloping winds through today. MVFR conditions will continue this morning across the mountains associated with upslope rain/snow showers. Isolated sub- VFR vsbys will be possible across the highest terrain and western slopes. All site should return to VFR this afternoon and for most of tonight.

Winds will continue to be gusty across the mountains through early this afternoon before diminishing. Gusts of 30kts will be possible at the higher elevation with 15 to 25kt gusts more probably in the mountain valleys. Piedmont regions will have limited gusts with most under 15 to 20kts

Confidence in the above aviation forecast is moderate.

Extended Aviation Discussion .

Monday through Tuesday our next weather system will cross the area bringing a return to sub-VFR and gusty conditions.

A return to VFR is expected Wednesday and Thursday but with winds remaining gusty.

Confidence in the above aviation forecast is moderate to high. The biggest question is the timing, and for some locations precipitation type, with Monday/Tuesday system.

RNK WATCHES/WARNINGS/ADVISORIES. VA . None. NC . None. WV . None.

SYNOPSIS . RCS NEAR TERM . RCS SHORT TERM . PW LONG TERM . RAB AVIATION . RCS


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Dublin / New River Valley, VA11 mi55 minW 12 G 1810.00 miPartly Cloudy46°F33°F62%1018.3 hPa
Bluefield, Mercer County Airport, WV20 mi58 minW 10 G 1810.00 miMostly Cloudy37°F30°F76%1018.3 hPa

Link to 5 minute data for KPSK

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1 day agoCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmCalmS3W13SE3CalmCalmW4SW4SW6SW6W7
2 days agoSE6E6SE7E10E8SE8SE8SE6E3E3E3E3E3CalmCalmE5E5E5E3CalmCalmCalmCalmCalm

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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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
Wind Forecast for Blacksburg, VA (11,2,3,4)
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Ground Weather Radar Station Blacksburg, VA
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The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerious of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.