Our Proprietary 10-Day Forecast

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Current warnings over Brookhaven, New York
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<p>Warnings from F5Weather</a></div>

United States weather warnings are issued by various organizations under NOAA. Most from the National Weather Service, but also Storm Prediction Center and National Hurricane Center.

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Current radar over Brookhaven, New York red dot
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<p>Live radar from F5Weather</a></div>

Our radar is based off of US NEXRAD and Canadian weather radar sites through the quality controlled MRMS system. It compiles various sources for radar data and filters out erroneous returns such as sun spikes and ground clutter. We then colorize the precipitation based on our methods for determining precipitation type. Rain is in shades of green, mixed precipitation and freezing rain in shades of pink and snow is in shades of blue.

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Current satellite over Brookhaven, New York red dot
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<p>Live satellite from F5Weather</a></div>

Our satellite is from the GOES-16. It is color enhanced by using a geocolor terrain background during the day and black marble city lights at night. The daytime satellite data is Visible satellite imagery, and nighttime uses Infrared bands. The bluish clouds are fog and low cloud. The whiteest clouds are the coldest, highest cloud tops.

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Current surface weather map around Suffolk County, NY

This surface map is from the HRRR computer model. It is a 1-hour forecast, updated hourly, which is a good estimate of the current surface conditions. This map shows the current high and low pressure centers, pressure isobar contours, wind streamlines and thickness contours. It also shows the currently depicted preciptiation estimates, although this should not be a substitute for actual live radar. The purple dashed contour is the 5400m thickness line, which is often a good proxy for the rain/snow line.

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Temperatures right now near Brookhaven, New York

This is the latest surface temperatures as depicted by the HRRR computer model, updated hourly. Although these are not actual observations, this model is a very good representation of current conditions as it factors in observations, terrain and physics to give you more detailed temperatures in areas that do not have reporting weather stations. For the latest reports at specific locations, like in Brookhaven, NY please see our current conditions data on the left and right side of this page, or go to our current conditions page.

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Surface wind speed map over Brookhaven, NY

This map shows the latest HRRR computer model winds. This depiction of the current wind directions and speeds is an estimate from the computer model. For actual observations in Brookhaven, NY, see the current conditions data on the left and right side of this page, or go to our current conditions page.

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Regional 24 hour rainfall expected near Brookhaven, New York

This is a forecast of the amount of precipitation expected over the next 24 hours from the HRRR weather forecast model. This is only one forecast depiction, and you should check other models to get a better idea of what may happen. You can view this and other models in more detail on our main weather forecast maps page. There, you will also be able to look at forecasts beyond just 24 hours and look at forecasts out to as far as 16 days.

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Area snowfall accumulation expected around Suffolk County, New York

This is snowfall forecast, with amounts anticipated in the next 24 hours. This guidance is from the HRRR weather model. For more model forecasts out to 16 days, visit our main weather forecast maps page.

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These are Convective Outlooks from the Storm Prediction Center. Click to see Days 1-3 broken down into Tornado, Wind and Hail threats, as well as days 5-8 outlooks.

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Atlantic Hurricane and Tropical Storm Tracking Map
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<p>Hurricane Tracking from F5Weather</a></div>

Our hurricane tracking map monitors for any current or forecast tropical disturbances in the Atlantic. (See our Pacific Hurricane Tracker) Various hurricane models will draw a 'spaghetti plot' in the Atlantic Basin when a disturbance is forecast or exists, showing the system's forecast track. Once a storm has developed, the National Hurricane Center will forecast their official track. This will show up on the map along with the storm's current intensity, track and name. We will also plot some of the storm's vitals and of course the spaghetti plots from the models along with the NHC forecast track will give you an idea of where it's heading, and its forecast intensity with time.

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To view the latest computer models, visit f5wx.com for access to the weather maps and guidance that meteorologists use to make their forecasts.
 
Get access to:
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  • American GFS
  • Canadian GDPS GEM
  • German DWD ICON
  • British MetOffice's UKMET Unified Model
  • American NAM
  • American HRRR
  • American NBM - National Blend of Models
  • GEFS, GEPS, MOGREPS & European Ensembles
  • Probabilities & Averages
  • 3-Ensemble Mean & more!
View Skew-T soundings, textual data tables for your location, and of course maps! Weather forecast maps of the basics like temperature, wind, pressure, humidity, dew point, cloud cover, simulated radar, travel weather, rainfall and snow are available. More advanced users can also get use out of our severe weather & tornado threat maps, as well as upper air & shear graphics.
 
See the latest forecast data as the models update.
 
F5Weather Maps

Climate Summary
(made with AI, use with caution)
Brookhaven, New York

Climate Summary

General

    •   Humid subtropical climate (Köppen classification: Cfa)
    •   Warm, humid summers and cool, damp winters

Temperature

    •   Average annual temperature: 52.6°F (11.4°C)
    •   Average summer temperature (June-August): 72.7°F (22.6°C)
    •   Average winter temperature (December-February): 32.3°F (0.2°C)
    •   Record high temperature: 104°F (40°C)
    •   Record low temperature: -12°F (-24°C)

Precipitation

    •   Average annual precipitation: 49.31 inches (1252 mm)
    •   Average snowfall: 29.6 inches (75 cm)
    •   Driest month: February (3.15 inches)
    •   Wettest month: July (4.99 inches)

Sunshine

    •   Average annual sunshine: 2,600 hours
    •   Sunniest month: July (300 hours)
    •   Cloudiest month: December (160 hours)

Humidity

    •   Average annual relative humidity: 75%
    •   Highest humidity: July (80%)
    •   Lowest humidity: February (65%)

Wind

    •   Average annual wind speed: 10.2 mph (16.4 km/h)
    •   Prevailing wind direction: West-southwest

Other

    •   Growing season: 210 days (April 15     •   October 24)
    •   Hardiness zone: 7a
    •   Average number of thunderstorm days: 25
    •   Average number of tornado days: 0.1

Climate Change Impacts

    •   Rising temperatures and increased frequency of heat waves
    •   Increased precipitation and more intense storms
    •   Sea level rise and coastal flooding
    •   Changes in plant and animal life

Facts & Historical Information
(made with AI, use with caution)
Natural History

    •   Brookhaven National Laboratory (BNL) is a renowned research facility established in 1947. It houses the Relativistic Heavy Ion Collider (RHIC), which recreates conditions similar to the early universe.

    •   The Long Island Pine Barrens, a unique ecosystem, covers much of Brookhaven. It supports a diverse range of plant and animal species, including the endangered Pine Barrens tree frog.

Science

    •   BNL has played a pivotal role in scientific discoveries, including the discovery of the weak nuclear force and the first evidence of the Higgs boson.

    •   The laboratory is also home to the Center for Functional Nanomaterials, which conducts research in nanotechnology and materials science.

Personalities

    •   Upton Sinclair, the Pulitzer Prize-winning author of \

Tourist Attractions
1.Brookhaven National Laboratory (BNL)

A world-renowned research institution with a rich history in nuclear physics, particle physics, and other scientific disciplines. Visitors can explore the lab's facilities, learn about its groundbreaking research, and attend public lectures.

2.Fire Island National Seashore

A pristine barrier island located just off the coast of Brookhaven. Visitors can enjoy miles of sandy beaches, go swimming, surfing, fishing, or kayaking. The island also offers hiking trails, wildlife viewing opportunities, and historic landmarks.

3.Smithtown Historical Society

A non-profit organization dedicated to preserving and promoting the history of Smithtown, which includes the town of Brookhaven. The society operates a museum, conducts historical tours, and hosts educational programs. Visitors can learn about the area's rich past, from its Native American roots to its role in the American Revolution and beyond.

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