Wednesday, April21, 2021
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Marine Weather and Tides
Hardinsburg, KY

Version 3.4
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1/26/2021 -- The West Coast Satellite images havd been updated. They now use GEOS-17.
1/1/2021 -- The 7 day forecast are now working well. Thank you NOAA for your support.

Sunrise 6:58AMSunset 8:26PM Wednesday April 21, 2021 7:44 AM EDT (11:44 UTC) Moonrise 1:17PMMoonset 3:07AM Illumination 71% Phase: Waxing Gibbous; Moon at 9 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 Hardinsburg, KY
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location: 37.6, -86.48     debug


Area Discussion for - Louisville, KY
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FXUS63 KLMK 211050 AFDLMK

Area Forecast Discussion National Weather Service Louisville KY 650 AM EDT Wed Apr 21 2021

. Updated Aviation Discussion .

Short Term. (Today and tonight) Issued at 327 AM EDT Wed Apr 22 2021

Radar this morning was showing the heavy to moderate band of snow working through the Bluegrass down in around the Lake Cumberland regions. With some lighter lingering snow showers stretching back to around Louisville down to Bowling Green. This area will continue to push eastward this morning and push out of the CWA around day break. The rest of the day will be very chilly and blustery highs in the upper 40s to near 50 and winds out of the NW between 10-15 mph and gust approaching 20 mph this afternoon. With daytime heating, lapse rates will steepen and allow for some scattered convection to develop across the CWA, from southern Indiana southeast through the Bluegrass down into east-central Kentucky. Precipitation with any showers should remain mostly rain, however some graupel and a few rumbles of thunder within more robust convection can't be ruled out given the lapse rates.

Any precipitation activity comes to an end this evening as winds diminish and clouds thin out overnight. This will lead to another cold morning for late April as temperatures drop into the upper 20s and low 30s for most of our CWA with the exception of our far southwestern counties. Will upgrade the Freeze Watch to a Freeze Warning for most of the CWA with the exception of Ohio, Butler, Warren, Logan and Simpson Counties which will be under a Frost Advisory in conjunction with our surrounding neighbors.

Long Term. (Thursday through Tuesday) Issued at 334 AM EDT Wed Apr 21 2021

A weak surface trough will swing through the upper Ohio Valley on Thursday. Moisture is lacking and models are not in great agreement, but after talking with neighbors will go ahead with just some isolated showers in the Blue Grass.

We'll have one more chilly night Thursday night with lows ranging from the mid 30s west of I-65 to the lower 30s east. Some locations along and east of I-75 will probably dip just below freezing briefly, but overall it looks more like a Frost Advisory level event at this time. West of there clouds and temperatures should prevent widespread frost formation.

A center of low pressure over the Texas Panhandle Friday evening will move to the Tennessee/Ohio Valleys by midday Saturday on its way to the Jersey Shore by Sunday morning. The Gulf will be open for business, supplying plenty of moisture to the passing system. As a result, widespread rain is expected, especially on Saturday. Any significant instability will stay well to our south, with severe storms possible along the Gulf Coast.

We then dry out and warm up for the remainder of the forecast period. By Tuesday we may be up into the 80s.

Aviation. (12Z TAF Issuance) Issued at 648 AM EDT Wed Apr 21 2021

IMPACTS: Lingering MVFR this morning due to spotty low CIG increasing to VFR later this morning and breezy NW winds.

DISCUSSION: Radar showed that most of the precipitation had moved out but satellite imagery was showing pockets of clearing around HNB to SDF but also more mid level clouds streaming southward out of Indiana. As of writing this discussion, HNB/SDF were in VFR, BWG had MVFR as some CIG were below 2000 Ft and LEX still had lingering low clouds associated with last night snow showers. We will slowly see CIG increase but as upper level energy rotates around the upper- level trough, mid level clouds will increase across all TAF sites. Expect to see VFR conditions for most TAF sites after 14z with the exception of LEX as the back edge of the clouds slowly exits to the east. CIG are expected to increase around midday.

With significant cold air over the region and daytime heating, a few convective afternoon showers are possible. They will be scattered in nature but a few could have isolated lightning this afternoon but confidence is low.

Winds through the period continue to be out of the northwest around 10Kts during the bulk of the forecast period with decreasing winds after sunset.

CONFIDENCE: Moderate on CIG and Low on possible convective showers later this afternoon.

LMK WATCHES/WARNINGS/ADVISORIES. IN . Freeze Warning until 10 AM EDT /9 AM CDT/ this morning for INZ076>079-083-084-089>092.

Freeze Warning from midnight EDT /11 PM CDT/ tonight to 10 AM EDT /9 AM CDT/ Thursday for INZ076>079-083-084-089>092.

KY . Freeze Warning until 10 AM EDT this morning for KYZ032.

Freeze Warning from midnight EDT /11 PM CDT/ tonight to 10 AM EDT /9 AM CDT/ Thursday for KYZ023>025-027>043-045>049- 053>057-062>067-073>078-081-082.

Frost Advisory from 11 PM this evening to 9 AM CDT Thursday for KYZ026-061-070>072.



Short Term . BTN Long Term . 13 Aviation . BTN


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Fort Knox, KY34 mi49 minNW 710.00 miOvercast31°F31°F99%1020.7 hPa

Link to 5 minute data for KFTK

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NOTE: This section has been updated as of 1/26/2021. If the image you are expecting is not showing, please let me know. You may use the EDIT function to update your location.
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