more is expected in the coming days. The National Weather Service (NWS) – Seattle tweeted on February 9th:

6.4″ inch of snow at Sea-Tac yesterday. New daily record and 2nd most in a single day of the past 20 years. Only exceeded by 6.8″ on January18 2012. #wawx

Responding to a question about how many times it has snowed on February 8th in Seattle, NWS pointed out that “since records began 6.4″ in 2019, 2.9″ in 2014, 1.0″ in 1916, 0.4″ in 1957 and 0.1″ in 1904.” Seattle averages just under 6 inches of snow during the winter according to SeatteWeatherBlog.com. It snowed while I was at a weather conference in Seattle several years ago, and the city was clearly excited and nervous about it. The stunning views of snow-capped Mt. Rainier may give you the perception that Seattle is a snowy place, but it is not. The weather set-up this week allowed for snow-supporting, cold air in Seattle (graphic below), but there is typically a competing factor that limits snow. What is it?

Abnormally cold temperatures in Seattle.Climate Reanalyzer/U. of Maine

In order to answer to this question, we have to review some basic concepts that I recently shared with my students at The University of Georgia. The first concept is something called heat capacity. It is a measure of the amount of heat required to raise the temperature of a body or substance by one degree. If this quantity is given in term of unit mass, it is called specific heat. The specific heat or heat capacity of water is very relevant for understanding why Seattle is not as snowy as places further inland or at higher elevations.

The U.S. Geological Survey Water School website has an excellent discussion of the heat capacity of water. It points out that

water has to absorb 4,184 Joules of heat for the temperature of one kilogram of water to increase 1 degree celsius (°C). For comparison sake, it only takes 385 Joules of heat to raise 1 kilogram of copper 1°C.

Such basic characteristics explain why walking on a hot sandy Georgia beach with bare feet may be uncomfortably warm in May even though the water is still quite cool. Sand requires much less heat to warm up than water. The same “physics” also explains why the peak of the Atlantic hurricane season is usually in September even though the seasonal “starts” June 1st. If your kids start bugging you to go to the pool when it opens on Memorial Day and you know the water is too (personal experience), just hit them with some specific heat formulations.

Current water temperatures near Seattle (in Celsius degrees)NOAA

Due to its heat-retaining properties, water also tends to hold heat longer as the transition from summer to winter occurs. This physics coupled with the geography of Seattle is critical for explaining the relative lack of snow there. According to the emergency management website of the city of Seattle,

Most of the time Seattle’s winter weather is controlled by the Pacific Ocean which remains relatively even in temperature throughout the year. Occasionally, however, cold air from the interior of the continent pushes into the Puget Sound region and causes dramatic cold spells, ice and snow.

In other words, winter weather in Seattle is regulated by its proximity to the Puget Sound and Pacific Ocean. According to Jordan Steele writing for King5.com, the water temperatures of these bodies are typically around 48-52 degrees F (see graphic above for current temperatures in degrees C). This limits the number of sub-freezing days. With the most recent winter storms in the Pacific Northwest, the February 7th NWS discussion indicated an area of low pressure in the Northwest Territories and high pressure in the Yukon area. These conditions allowed sufficiently cold air to move into region offsetting the moderating influence of the nearby water bodies.

Surface weather map for February 10th, 2019NOAA WPC

Seattle is certainly known for its rainfall, but it is making headlines with some of its highest snowfall totals in over 70 years. Ironically, the snow cover itself amplifies the already cold temperatures. It will be interesting to see how much additional snow falls there in the coming days. While NOAA or National Weather Service is always my preferred location for climatological date, the website at this link has some very useful statistics on the climatology of snow in Seattle.

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A winter season storm blanketed the Pacific Northwest today and more is anticipated in the coming days. The National Weather Condition Service

( NWS)- Seattle tweeted on February 9th:

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6.4 “inch of snow at Sea-Tac the other day. New day-to-day record and second most in a single day of the past 20 years. Just gone beyond by 6.8” on January18 2012. #wawx

Reacting to a concern about the number of times it has actually snowed on February 8th in Seattle, NWS explained that “ because records started 6.4″ in 2019, 2.9″ in 2014, 1.0″ in 1916, 0.4″ in 1957 and 0.1″ in 1904.” Seattle averages simply under 6 inches of snow throughout the winter season according to SeatteWeatherBlog.com It snowed while I was at a weather condition conference in Seattle a number of years earlier, and the city was plainly delighted and anxious about it. The sensational views of snow-capped Mt. Rainier might provide you the understanding that Seattle is a snowy location, however it is not. The weather condition set-up today permitted snow-supporting, cold air in Seattle (graphic listed below), however there is usually a completing element that restricts snow. What is it?

Unusually cold temperature levels in Seattle. Environment Reanalyzer/U. of Maine

In order to solution to this concern, we need to evaluate some fundamental principles that I just recently showed my trainees at The University of Georgia. The very first idea is something called heat capability It is a step of the quantity of heat needed to raise the temperature level of a body or compound by one degree. If this amount is given up regard to system mass, it is called particular heat The particular heat or heat capability of water is extremely appropriate for comprehending why Seattle is not as snowy as locations even more inland or at greater elevations.

(************************ )The U.S. Geological Study Water School site has an exceptional conversation of the heat capability of water. It explains that

water needs to take in 4,184 Joules of heat for the temperature level of one kg of water to increase 1 degree celsius( ° C ). For contrast sake, it just takes385 Joules of heat to raise 1 kg of copper 1 ° C.

Such fundamental attributes describe why strolling on a hot sandy Georgia beach with bare feet might be annoyingly warm in Might although the water is still rather cool. Sand needs much less heat to heat up than water. The exact same “physics” likewise describes why the peak of the Atlantic typhoon season is generally in September although the seasonal” starts” June 1st. If your kids begin badgering you to go to the swimming pool when it opens on Memorial Day and you understand the water is too (individual experience), simply struck them with some particular heat solutions.

(******************* )Existing water temperature levels near Seattle( in Celsius degrees) NOAA

Due to its heat-retaining residential or commercial properties, water likewise tends to hold heat longer as the shift from summer season to winter season happens. This physics paired with the location of Seattle is crucial for describing the relative absence of snow there. According to the emergency situation management site of the city of Seattle,

The majority of the time Seattle’s winter season weather condition is managed by the Pacific Ocean which stays reasonably even in temperature level throughout the year. Sometimes, nevertheless, cold air from the interior of the continent presses into the Puget Noise area and triggers remarkable cold spells, ice and snow.

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Simply put, winter season weather condition in Seattle

is controlled by its distance to the Puget Noise and Pacific Ocean. According to Jordan Steele composing for King5.com, the water temperature levels of these bodies are usually around (****************************** )48-52 degrees F( see graphic above for present temperature levels in degrees C ). This restricts the variety of sub-freezing days. With the most current winter season storms in the Pacific Northwest, the February 7th NWS conversation showed a location of low pressure in the Northwest Territories and high pressure in the Yukon location. These conditions enabled adequately cold air to move into area balancing out the moderating impact of the close-by water bodies.(***** )

Surface area weather condition map for February10 th,2019 NOAA WPC

Seattle is definitely understood for its rains, however it is making headings with a few of its greatest snowfall overalls in over 70 years. Paradoxically, the snow cover itself magnifies the currently cold temperature levels. It will be intriguing to see just how much extra snow falls there in the coming days. While NOAA or National Weather condition Service is constantly my chosen place for climatological date, the site at this link has some extremely beneficial data on the meteorology of snow in Seattle.

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A winter season storm blanketed the Pacific Northwest today and more is anticipated in the coming days.
The National Weather Condition Service (NWS) – Seattle tweeted on February 9th:

.

6.4″ inch of snow at Sea-Tac the other day. New day-to-day record and second most in a single day of the past 20 years. Just gone beyond by 6.8″ on January18 2012. #wawx

.

Reacting to a concern about the number of times it has actually snowed on February 8th in Seattle, NWS explained that” because records started 6.4″ in 2019, 2.9″ in 2014, 1.0″ in 1916, 0.4″ in 1957 and 0.1″ in 1904.” Seattle averages simply under 6 inches of snow throughout the winter season according to SeatteWeatherBlog.com It snowed while I was at a weather condition conference in Seattle a number of years earlier, and the city was plainly delighted and anxious about it. The sensational views of snow-capped Mt. Rainier might provide you the understanding that Seattle is a snowy location, however it is not. The weather condition set-up today permitted snow-supporting, cold air in Seattle (graphic listed below), however there is usually a completing element that restricts snow. What is it?

.

.

Unusually cold temperature levels in Seattle. Environment Reanalyzer/U. of Maine

.

.

In order to solution to this concern, we need to evaluate some fundamental principles that I just recently showed my trainees at The University of Georgia. The very first idea is something called heat capability It is a step of the quantity of heat needed to raise the temperature level of a body or compound by one degree. If this amount is given up regard to system mass, it is called particular heat The particular heat or heat capability of water is extremely appropriate for comprehending why Seattle is not as snowy as locations even more inland or at greater elevations.

The U.S. Geological Study Water School site has an exceptional conversation of the heat capability of water. It explains that

.

water needs to take in 4, 184 Joules of heat for the temperature level of one kg of water to increase 1 degree celsius (° C). For contrast sake, it just takes 385 Joules of heat to raise 1 kg of copper 1 ° C.

.

Such fundamental attributes describe why strolling on a hot sandy Georgia beach with bare feet might be annoyingly warm in Might although the water is still rather cool. Sand needs much less heat to heat up than water. The exact same “physics” likewise describes why the peak of the Atlantic typhoon season is generally in September although the seasonal “starts” June 1st. If your kids begin badgering you to go to the swimming pool when it opens on Memorial Day and you understand the water is too (individual experience), simply struck them with some particular heat solutions.

.

.

Existing water temperature levels near Seattle (in Celsius degrees) NOAA

.

.

Due to its heat-retaining residential or commercial properties, water likewise tends to hold heat longer as the shift from summer season to winter season happens. This physics paired with the location of Seattle is crucial for describing the relative absence of snow there. According to the emergency situation management site of the city of Seattle ,

.

The majority of the time Seattle’s winter season weather condition is managed by the Pacific Ocean which stays reasonably even in temperature level throughout the year. Sometimes, nevertheless, cold air from the interior of the continent presses into the Puget Noise area and triggers remarkable cold spells, ice and snow.

.

Simply put, winter season weather condition in Seattle is controlled by its distance to the Puget Noise and Pacific Ocean. According to Jordan Steele composing for King5.com , the water temperature levels of these bodies are usually around 48 – 52 degrees F (see graphic above for present temperature levels in degrees C). This restricts the variety of sub-freezing days. With the most current winter season storms in the Pacific Northwest, the February 7th NWS conversation showed a location of low pressure in the Northwest Territories and high pressure in the Yukon location. These conditions enabled adequately cold air to move into area balancing out the moderating impact of the close-by water bodies.

.

.

Surface area weather condition map for February 10 th, 2019 NOAA WPC

.

.

Seattle is definitely understood for its rains, however it is making headings with a few of its greatest snowfall overalls in over 70 years. Paradoxically, the snow cover itself magnifies the currently cold temperature levels. It will be intriguing to see just how much extra snow falls there in the coming days. While NOAA or National Weather condition Service is constantly my chosen place for climatological date, the site at this link has some extremely beneficial data on the meteorology of snow in Seattle.

.

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