Guntersville, AL Marine Weather and Tide Forecast
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Marine Weather and Tide Forecast for Guntersville, AL

April 14, 2024 9:55 PM CDT (02:55 UTC) Change Location
Sunrise 6:12 AM   Sunset 7:17 PM
Moonrise 10:40 AM   Moonset 1:10 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.

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7 Day Forecast for Marine Location Near Guntersville, AL
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Area Discussion for - Huntsville, AL
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FXUS64 KHUN 150148 AFDHUN

Area Forecast Discussion National Weather Service Huntsville AL 848 PM CDT Sun Apr 14 2024

New NEAR TERM

NEAR TERM
(Tonight)
Issued at 848 PM CDT Sun Apr 14 2024

High pressure continuing to promote tranquil conditions this evening as mid/high clouds finally shift off to the ESE/SE. Light southwesterly breezes will continue to mitigate radiational cooling somewhat as another mild night is anticipated. Lows in the mid/upper 50s will be common once again -- with a few locations in northwest Alabama remaining in the lower 60s. Only minor tweaks made to the forecast based on the latest obs/trends as everything remains on track.

SHORT TERM
(Monday through Wednesday night)
Issued at 246 PM CDT Sun Apr 14 2024

Short term model consensus suggests that a mid-level ridge (extending northeastward from a strong subtropical high over the southwestern Gulf) will build across the local area tomorrow. This will result in the development of a notable mid-level inversion that will keep our region dry, with the best prospects for afternoon storms occurring in the vicinity of a developing warm front from the Lower OH Valley east-southeastward into the southern Appalachians. With less cloud cover to contend with, highs should be in the l-m 80s for most of the valley.

Low-level flow will begin to back to SSE late Monday afternoon or early Monday evening, in response to a deepening surface low across the High Plains of eastern CO, and the resultant increase in boundary layer dewpoints coupled with an increase in mid/high- level clouds will lead to milder overnight lows in the u50s-l60s Tuesday morning. A few sprinkles of rain or light showers will be also be possible beginning after Midnight and continuing for much of the day on Tuesday, but due to the dry subcloud layer noted in forecast soundings, we have kept POPs below 15%. SSE flow will strengthen into the 20-30 MPH range over the course of the day on Tuesday, compensating for cloudy skies to yield highs in the u70s-l80s.

Well to the west of the local area (across the southern Plains), deep/moist convection will likely be in progress Tuesday morning along a surface trough extending southward from the central High Plains surface low. As the low lifts northeastward through the Great Plains and into eastern IA by 12Z Wednesday (in conjunction with a compact upper low), it will begin to occlude and the surface trough should decelerate and become less defined with time as it tracks across eastern OK Tuesday afternoon and into AR Tuesday night. However, a rapidly strengthening SSW low-level jet ahead of this feature will support a broad axis of warm sector convection from the Mid-South region northeastward into the Lower Great Lakes beginning Tuesday evening, and some of this activity may develop eastward into the northwestern portion of our CWFA early Wednesday morning before spreading southeastward across the remainder of the region after sunrise. Fortunately, it still appears as if this first round of showers and storms will arrive immediately ahead of a plume of moist and increasingly unstable air at the surface, featuring dewpoints in the l-m 60s.

It is becoming increasingly apparent that a second/distinct episode of convection will evolve along the northern portion of the synoptic cold front (i.e. from the Lower Great Lakes southward into the OH Valley) as it begins to sweep eastward late Wednesday morning. With the TN Valley expected to be along the southern edge of stronger forcing for ascent related to the upper low, there is some uncertainty regarding storm coverage along the cold front with southwestward extent into our region. But, if sufficient airmass recovery takes place in the wake of morning precip, the combination of effective bulk shear in the 35-45 knot range, a low-level jet of 35-40 knots and dewpoints in the l-m 60s (yielding CAPE in the 500-1000 J/kg range) would support a threat for severe storms late Wednesday afternoon and Wednesday evening.
The front should sag southeastward into our region overnight, with the risk for storms ending early Thursday morning.

LONG TERM
(Thursday through Sunday)
Issued at 222 AM CDT Sun Apr 14 2024

Afternoon Update: The extended forecast discussion below remains valid this afternoon, as 12Z guidance from the global models continues to indicate the passage of a secondary cold front at some point Friday or Saturday that will bring another round of thunderstorms to the region. This front will be followed by a surge of cooler/drier air as a broad mid-level trough may become established across the eastern CONUS, but with a couple of disturbances noted in the southern stream postfrontal rain will remain a possibility through Sunday.

Rain chances taper off Wednesday night with Thursday looking to be a dry day as the initial cold front pushes into the mid Atlantic. Unfortunately dry weather will be short lived as a secondary cold front associated with a low pressure system moving through the northern Great Lakes Region moves through the area on Friday. Overcast skies and low to medium rain chances return Friday morning and remain throughout the day. Low rain chances and partly cloudy skies linger on the back side of the cold front on Saturday with cooler and drier air moving in behind the cold front through the remainder of the weekend.

AVIATION
(00Z TAFS)
Issued at 636 PM CDT Sun Apr 14 2024

VFR conditions will prevail through the period at both terminals.
SCT/BKN decks of mid-level clouds will continue to filter across the area overnight, before ceilings lower to around 4 kft during the day on Monday. Winds will become light overnight, but increase again after sunrise -- becoming gusty out of the SW between 10-20 kts.

HUN WATCHES/WARNINGS/ADVISORIES
AL...None.
TN...None.




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Airport Reports
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AirportDistAgeWind ktVisSkyWeatherTempDewPtRHinHg
KA0 sm20 minSW 0610 smClear68°F46°F46%30.05
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Wind History from 8A0
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Northern Alabama,



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