Saturday, September19, 2020
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Marine Weather and Tides
Rochester, MN

Version 3.4
NOTICE
8/26/2020 The 7 day forecast is taking about 5 seconds to load but it will eventually load. NOAA is still working on it.
8/18/2020 NOAA continues to have trouble. Wind guest will occasionally be left off graphs. I am working with NOAA to resolve the issue.
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
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.

Sunrise 6:53AMSunset 7:13PM Saturday September 19, 2020 2:24 PM CDT (19:24 UTC) Moonrise 8:28AMMoonset 7:49PM Illumination 6% Phase: Waxing Crescent; Moon at 2 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 Rochester, MN
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location: 44.05, -92.49     debug


Area Discussion for - La Crosse, WI
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FXUS63 KARX 191909 AFDARX

Area Forecast Discussion National Weather Service La Crosse WI 209 PM CDT Sat Sep 19 2020

SHORT TERM. (This evening through Sunday) Issued at 209 PM CDT Sat Sep 19 2020

An elevated layer of smoke slowly progresses eastward across the region today into tonight. With the wildfire smoke being aloft, the main impacts would be hazy skies and filtered sunlight which will keep the afternoon temperatures at bay in the 60s. Overnight temperatures will decrease into the 40s.

Continued winds from the south and an upper level ridge moving through the region will slightly bump up Sunday's afternoon temperatures into the upper 60s to low 70s. Surface pressure gradient tightens as a high pressure system moves into the northeast states of the US. This will lead to breezy conditions from mid morning through the afternoon with gusts around 35 mph. Steep low-level lapse rates would lead to possible gusts near 40 mph.

LONG TERM. (Sunday night through Saturday) Issued at 209 PM CDT Sat Sep 19 2020

There only looks to be a couple small chances for some rain through next week. The first will be Sunday night as an upper level low lifts northeast across Saskatchewan and Manitoba. A short wave trough rotating around this upper level is expected to pass by well to the northwest with very minimal if any lift expected to spread across the area. However, in the warm air advection ahead of the incoming cold front, there should be 2 to 4 ubar/s of up glide on the 300K surface that spread across the area Sunday night. The low level moisture transport will be focused well to the northwest ahead of the short wave trough, but where the transport axis overlaps the isentropic up glide there is the potential for some light showers to develop. If this activity does develop, portions of southeast Minnesota would be most likely to get some light rain or sprinkles with the rest of the area staying dry.

The other small chance for some rain will be Wednesday afternoon and night. A short wave trough is expected to cross the northern Rockies and move across the Upper Midwest to the north of the local area. This should keep the best forcing to the north of the area as well with only some isentropic up glide and weak frontogenesis ahead of and along a cold front that will move across the region. With some weak forcing, not expecting much rain to develop with this system and what does, should be rather light.

AVIATION. (For the 18Z TAFS through 18Z Sunday afternoon) Issued at 1224 PM CDT Sat Sep 19 2020

VFR conditions are expected through the TAF period. A layer of smoke moves into the region today from the west leading to scattered sky coverage, but will be elevated around 15,000 ft. Winds will remain from the south with gusty winds at KRST subsiding tonight. Winds increase tomorrow morning across the entire region with gusts up to 35 knots possible by the afternoon.

ARX WATCHES/WARNINGS/ADVISORIES. WI . None. MN . None. IA . None.

SHORT TERM . Peters LONG TERM . 04 AVIATION . Peters


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Rochester, Rochester International Airport, MN10 mi31 minS 16 G 2210.00 miFair65°F46°F52%1024.9 hPa
Dodge Center Airport, MN18 mi30 minS 13 G 1710.00 miFair66°F46°F49%1024 hPa

Link to 5 minute data for KRST

Wind History from RST (wind in knots)
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Last 24hr4E4E3E6E5E6E7SE7SE6SE7SE7S7S6SE7S8S8S9S11S11S15S14S12
G21
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1 day agoN6N7N9N9N10N10N5N7N7N7N7NE5N5N6N7N7NE6NE7E7E5E5SE76E6
G14
2 days agoN17
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N12N10N8N5N6N5N7N6N6N6N7N9N6N7N6NW4N6N7NE4N6N45

Tide / Current Tables for
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Tide / Current Tables for
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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
Ground Weather Radar Station La Crosse, WI
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weather_mapweather_map weather_map


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