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Kentucky AI Weather Engine

Kentucky AI Forecasting Beta

Tue, Feb 10
Thu, Feb 12
Forecast For

Wednesday, February 11

Updated Feb 11, 6:14 AM EST

NWS Alerts Active This Day

Special Weather Statement

Feb 10, 8:00 PM -> Feb 10, 8:45 PM
Moderate Severity

Special Weather Statement issued February 10 at 8:00PM EST by NWS Jackson KY

Flood Advisory

Feb 11, 6:00 AM -> Feb 11, 12:45 PM
Minor Severity

Flood Advisory issued February 11 at 6:00AM EST until February 11 at 7:00PM EST by NWS Louisville KY

Special Weather Statement

Feb 11, 7:10 AM -> Feb 11, 10:00 AM
Moderate Severity

Special Weather Statement issued February 11 at 7:10AM EST by NWS Charleston WV

Confidence
90%

Early Rain Exits for a Chilly, Sunny Afternoon

A quick-moving cold front will sweep across Kentucky during the overnight and early morning hours, bringing light to moderate rain primarily to southern and eastern regions. Rapid clearing will follow from west to east by midday, ushering in a much colder, drier airmass with breezy northwest winds. Afternoon temperatures will struggle to recover despite increasing sunshine.

Why is this happening?
Technical explanation of the atmospheric setup
Confidence Assessment

High confidence exists in the precipitation type remaining strictly liquid and the overall timing of the cold front. Minor uncertainty remains regarding the exact rainfall totals in the mountains and the speed of cloud clearing in the northeast.

Get Personalized Forecasts

Choose which region in Kentucky you're interested in and we'll always show you that one first. You can change your selected region by clicking the "Star" icon on any regional forecast.

Purchase Area

Paducah, Murray, Mayfield
Brisk and Beautifully Sunny
Sunny
49°/ 33°

Northwest Pennyrile

Owensboro, Henderson, Morganfield
Chilly Sunshine for the River Valley
Sunny
46°/ 32°

Southwest Pennyrile

Hopkinsville, Madisonville, Princeton
Quick Morning Drizzle, Then Sunny
Sunny
49°/ 34°

Barren River

NUISANCE
Bowling Green, Glasgow, Franklin
Early Showers Give Way to Sun
Rain
50°/ 35°

Louisville Metro

Louisville, La Grange, Shepherdsville
Chilly Morning Clouds, Afternoon Sun
Cloudy
44°/ 32°

Lincoln Trail

Elizabethtown, Bardstown, Leitchfield
Breezy and Crisp on the Ridge
Sunny
45°/ 32°

Lake Cumberland

NUISANCE
Somerset, Columbia, Monticello
Wet Morning commute, Improving Afternoon
Rain
48°/ 34°

Northern Kentucky

Covington, Florence, Independence
Cold and Gloomy Near the Ohio
Cloudy
39°/ 28°

Inner Bluegrass

Lexington, Georgetown, Winchester
Cloudy Morning, Chilly Afternoon
Cloudy
42°/ 30°

Bluegrass Foothills

Richmond, Danville, Berea
Damp Start, Then Cold and Grey
Cloudy
41°/ 30°

Northeast Kentucky

Ashland, Morehead, Grayson
Gloomy and Cold Valley Skies
Cloudy
40°/ 29°

Southeast Kentucky

NUISANCE
Hazard, Pikeville, Harlan
Soggy Morning in the Mountains
Rain
46°/ 33°

Possible Outcomes

Weather forecasting involves uncertainty. Below are two scenarios representing the range of possible outcomes: the "Boom" scenario shows the worst-case/highest-impact result if conditions align unfavorably, while the "Bust" scenario shows the best-case/lowest-impact result if the forecast doesn't materialize as expected.

💥

The 'Boom' Scenario

The GEM scenario: If the front slows slightly and orographic lift maximizes in the Southeast Coalfields, rain totals could approach 0.50 inches with clouds lingering through sunset, keeping temperatures even lower.

💨

The 'Bust' Scenario

The NAM scenario: A faster, moisture-starved front leaves most of the state with less than 0.10 inches of rain and clear skies by 9 AM, allowing for a slightly better (though still chilly) temperature recovery in the afternoon.

Model Disagreements

When models disagree, a call must be made to determine the most likely outcome. This decision is based on a combination of factors including model performance, historical data, and the models general accounting of each climatic region of Kentucky.

The QPF Disconnect

A significant disagreement exists regarding the total liquid precipitation in the Southeast. The GEM suggests a soaking 0.50 inch rain event, while the NAM and GFS keep totals much leaner, near 0.15 inches.

GEM
VS
GFS
VS
NAM
Why EURO Wins

The Euro and GFS provide a more realistic middle ground. The GEM tends to over-forecast orographic enhancement in shallow moisture setups like this one, and the NAM is likely too dry given the strength of the jet support.

Affected Regions
LAKE CUMBERLANDSOUTHEAST COALFIELDSBLUEGRASS FOOTHILLS

The Post-Frontal Stratus Battle

Models disagree on how quickly the post-frontal cloud deck (stratus) will clear in Northern and Northeast Kentucky.

NAM
VS
GFS
VS
EURO
Why NAM Wins

The NAM typically handles low-level moisture trapping and subsidence inversions better than global models. It correctly identifies the 'Cold Air Damming' effect in the eastern valleys.

Affected Regions
NORTHERN KYNORTHEAST KYBLUEGRASS CORE

Technical Analysis

This section provides a deep, physics-based explanation of the weather. Our AI system analyzed multiple atmospheric layers and variables from all available models to synthesize this technical overview.

Below you'll find detailed breakdowns of the atmospheric dynamics that are driving today's forecast, including thermodynamics, kinematics, and hydrology.

Thermodynamics

Stability & Temperatures

How temperature changes with altitude. This determines whether precipitation falls as rain, snow, sleet, or freezing rain based on the vertical temperature profile.

Thermal Profile Overview

A classic post-frontal cold air advection (CAA) profile. The vertical stack features a warm, moist boundary layer being scoured out by a deep layer of cold, continental air. A subsidence inversion will develop near 850mb by late afternoon.

Thermal Boundary

The surface cold front will clear the Southeast Coalfields by 10 AM, with the 0C isotherm at 850mb pushing south to the Tennessee border by 3 PM.

Diurnal Trend

Non-diurnal temperature curves are expected, especially in the east. Many locations will see their high temperatures shortly after midnight, with temperatures falling or remaining steady through the morning before a weak afternoon recovery.

Kinematics

Wind & Energy

Wind patterns and atmospheric energy. Frontal passages, jet stream positioning, and vorticity tell us where and when lift will generate precipitation.

Frontal Passage

Sharp cold front passage between 04z and 15z, evidenced by a wind shift to the northwest and gusts up to 25 mph.

Jet Stream Support

Excellent lift provided by the right entrance region of a departing 110kt upper-level jet streak, promoting early morning stratiform precipitation.

Energy Status

A compact shortwave trough with high vorticity values (0.00010+) is pivoting through the broad cyclonic flow.

Hydrology

Moisture & Precipitation

Moisture content and precipitation character. This reveals whether the atmosphere is saturated enough to produce precipitation, and what type to expect (steady vs. bursts).

Saturation Status

Rapid drying from west to east. PWATs will crash from 0.80 inches to under 0.25 inches within 6 hours of frontal passage.

Precipitation Character

Stratiform rain with some orographic enhancement in the southeast; no convective or wintry character expected.

Flooding Context

No flooding risk. Ground is receptive and total QPF is generally under 0.25 inches.

Winter Physics

Accumulation & Layers

Specific physical factors affecting winter weather, including the vertical melt/freeze profile and snow quality.

Layer Analysis

Entire column remains above freezing during the precipitation window. Freezing levels drop only after the dry air arrives.

Crystal Habit

N/A

Road Impact

Roads will be wet in the morning for the southern/eastern half of the state, but will dry quickly due to breezy northwest winds and falling dewpoints.

Celestial Almanac

Moon Phase

Waning Crescent

32% Illumination
Moonrise
3:41 AM
Moonset
12:57 PM
Purchase Area
Sunrise
7:49 AM
Sunset
6:30 PM
Civil Dawn
7:22 AM
Civil Dusk
6:57 PM
Northwest Pennyrile
Sunrise
7:44 AM
Sunset
6:23 PM
Civil Dawn
7:17 AM
Civil Dusk
6:51 PM
Southwest Pennyrile
Sunrise
7:44 AM
Sunset
6:26 PM
Civil Dawn
7:17 AM
Civil Dusk
6:53 PM
Barren River
Sunrise
7:40 AM
Sunset
6:22 PM
Civil Dawn
7:13 AM
Civil Dusk
6:49 PM
Louisville Metro
Sunrise
7:39 AM
Sunset
6:17 PM
Civil Dawn
7:12 AM
Civil Dusk
6:45 PM
Lincoln Trail
Sunrise
7:39 AM
Sunset
6:19 PM
Civil Dawn
7:12 AM
Civil Dusk
6:46 PM
Lake Cumberland
Sunrise
7:33 AM
Sunset
6:14 PM
Civil Dawn
7:06 AM
Civil Dusk
6:41 PM
Northern Kentucky
Sunrise
7:35 AM
Sunset
6:11 PM
Civil Dawn
7:08 AM
Civil Dusk
6:39 PM
Inner Bluegrass
Sunrise
7:34 AM
Sunset
6:13 PM
Civil Dawn
7:06 AM
Civil Dusk
6:40 PM
Bluegrass Foothills
Sunrise
7:32 AM
Sunset
6:12 PM
Civil Dawn
7:05 AM
Civil Dusk
6:39 PM
Northeast Kentucky
Sunrise
7:27 AM
Sunset
6:04 PM
Civil Dawn
7:00 AM
Civil Dusk
6:32 PM
Southeast Kentucky
Sunrise
7:27 AM
Sunset
6:09 PM
Civil Dawn
7:00 AM
Civil Dusk
6:35 PM

Dive Deeper Into the Models

This forecast is a synthesis of raw data from the NAM, GFS, ECMWF, and GEM models. These models provide detailed atmospheric analyses including 500mb vorticity, precipitation rates, and more. You can take a look at the raw model data by clicking the links below.