Nunn, CO Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Nunn, CO

June 18, 2024 4:52 PM MDT (22:52 UTC) Change Location
Sunrise 5:27 AM   Sunset 8:35 PM
Moonrise 5:38 PM   Moonset 2:44 AM 
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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 Nunn, CO
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Area Discussion for - Denver/Boulder, CO
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FXUS65 KBOU 182110 AFDBOU

Area Forecast Discussion National Weather Service Denver/Boulder CO 310 PM MDT Tue Jun 18 2024

KEY MESSAGES

- Cooler through Wednesday with scattered showers and a few storms.

- Scattered thunderstorms Thursday into Friday

- Turning hot and drier this weekend through early next week

SHORT TERM /Through Wednesday/
Issued at 141 PM MDT Tue Jun 18 2024

Cooler temperatures have settled in across the forecast area today after a cold front swept through the region earlier this morning. As the troughing pattern continues over the western CONUS, there is a slight chance we get some weak rain showers or an isolated storm to develop over the higher terrain this afternoon.
Current water vapor imagery indicates low level moisture is lacking at this time, but looking upstream, low and mid level moisture looks to be heading our way.

The better chances for precipitation will be overnight tonight and tomorrow as the trough shifts eastward and a 90 kt jet will be in place to provide upper level support to northern CO. CAMs indicate banded precipitation spreading across the plains and continuing into tomorrow. Forecast soundings also show a dry to start moisture profile becoming increasingly saturated as low level flow will be from the southeast, allowing for moisture support from the Gulf.
With the increasing moisture in place, some lower level stratus are expected to help keep Wednesday's high temperatures on the cooler side. Temperatures are forecast to be 10-20 degrees below the norm and will likely struggle to reach the 70s across forecast area.

LONG TERM /Wednesday night through Tuesday/
Issued at 230 PM MDT Tue Jun 18 2024

Models are in very good agreement overall with regard to the weather pattern.

With more moisture and higher precipitable water values, scattered showers and a few storms will work their way eastward across the plains through tomorrow evening. Most of these should be ending by late evening in/near the mountains with some drying aloft noted, but linger over the eastern plains with low level 850-700 mb theta-e advection.

For Thursday, the airmass should moisten a bit further across the area with deepening southerly flow. There are indications a little of this starts to peel off the easterly wave (broad circulation around Potential Tropical Cyclone One) in the western Gulf of Mexico. We'll also be returning to warmer temperatures, which gives us more instability and probably an area of 1000-1500 J/kg MLCAPE over the northeast plains. Thus, a couple stronger storms would be possible, and perhaps an isolated pulse severe storm.

By Friday, there's a better chance some of this tropical moisture spreads northward across the forecast area and onto the western slope of Colorado. This would keep at least scattered shower and storm coverage in the forecast in/near the mountains, along with adding a threat of locally heavy rainfall. It appears an embedded shortwave could be arriving a little late for higher storm coverage, but something to keep an eye on for Friday afternoon and evening.

For Saturday, the above shortwave will be passing to the east of Colorado, resulting in drying and subsidence through the weekend.
Ensembles are in good agreement with that timing, and the subsequent mid level ridging over the Central Rockies and Great Basin into early next week. The combination of the ridge, drier airmass, and westerly flow aloft all supports a return of hot temperatures for the lower elevations, with mid and upper 90s expected for the plains and I-25 Corridor for Sunday, Monday, and Tuesday. There could still be enough moisture under the ridge for scattered mountain convection, and isolated storms on the plains each afternoon/early evening. But overall these would be high based with gusty winds and mainly light rainfall.

Finally, depending on the fire intensity near Ruidoso, New Mexico (it is flaring up again this afternoon), the HRRR Smoke shows some smoke spreading across Colorado Thursday.

AVIATION /18Z TAFS through 18Z Wednesday/
Issued at 1146 AM MDT Tue Jun 18 2024

With the anticyclone still in place across the Denver area airports this morning, winds are expected to continue with an easterly/southeasterly component throughout the day. Winds have increased and are expected to remain gusty into the evening with some high based showers possible in the next few hours. Ensembles show there is a chance for ceilings to drop below 6000 feet tomorrow morning, however, confidence is low enough not to reflect that in the TAFs at this time.

BOU WATCHES/WARNINGS/ADVISORIES
None.




Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherAirDewPtRHinHg
KFNL NORTHERN COLORADO RGNL,CO 16 sm56 minS 13G2010 smClear75°F28°F18%29.96
KGXY GREELEYWELD COUNTY,CO 20 sm56 minE 10G1410 smClear73°F30°F20%29.95
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