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Big Story Weather – September 26, 2013

September 26, 2013

redOrbit Meteorologist Joshua Kelly

Big Story Weather from September 25:

The first significant snowfall of the season took shape over the Northern Rockies yesterday with places seeing more than six inches over Northwest Wyoming. Severe weather was very limited to a few reports the largest hail was in Western South Dakota at 1.75 inches, while the strongest wind gusts occurred over Florida at 50-60mph. Cold weather continued to hit the Northern tier states as the transition has begun.

Big Story Weather Discussion for September 26:

Surface Map: High pressure over Eastern Canada and the Northeast US will bring partly cloudy skies to most of the Eastern US. Low pressure pushing east of Florida will bring a few more showers and thunderstorms to the region. High pressure over the Southwest will bring nice weather to the region. This will extend into the Southern Plains and also the Gulf Coast. Low pressure moving through the Northern Plains will be the focus for another day of heavy rain along with more snowfall through the Rockies.

Severe Weather: Isolated wind gusts over parts of Florida.

Winter Weather: A powerful storm system moving through the Northern Rockies and the Plains will be the focus of heavy rain and snowfall over the Rockies.

Flooding: There will be a chance for some flooding over portions of Florida.

Tropical Weather: No impacts.

Winds: There will be strong winds over the SoCal region with some places seeing gusts near 45mph. There will also be a pocket of strong winds over Eastern MT/ Western ND around 50mph.

Select City Forecast:

Boston MA: Partly cloudy with a high near 64F and overnight lows near 56F.

Memphis TN: Partly cloudy and mild with a high near 80F and overnight lows near 66F.

Fargo ND: Partly cloudy with a high near 72F and overnight lows near 55F.

Billings MT: Mostly cloudy with rain showers and some snow showers mixing into the area. High temps will be around 48F and overnight lows near 39F. Total rainfall around 0.35 inches, snowfall less than 1 inch.

Las Vegas NV: Partly cloudy and mild with a high near 86F and overnight lows near 60F.

September 26, 2013 Storm Tracker Update:

Eastern Pacific Ocean: Low pressure moving through Alaska will bring another day of showers and snow showers to the region. Low pressure moving through the Rockies will bring rain and snow showers to the region.

Atlantic Ocean: Low pressure moving to the east of Florida will bring one more day of heavy rainfall to portions of Florida. Low pressure moving along the east coast of Canada will bring showers to the region. Another area of low pressure will bring showers to portions of Northern Europe. A tropical wave moving across the Atlantic will have to be watched for possible tropical development.

Western Pacific: Typhoon Pabuk has winds around 80kts and pressure near 963mb. The storm will continue to transition into a non-tropical low pressure as it moves northward away from Japan. Two other areas are being watched for possible tropical development. Low pressure moving across Russia will bring showers and some snow showers to the region.

Indian Ocean: A fairly tranquil day across the basin with no major weather issues expected outside of the afternoon thunderstorms.

Southern Hemisphere: Multiple low pressures moving through the basin. Impacts will be felt over the Fiji Islands. There will also be impacts being felt over Southern Argentina with showers and strong winds. Low pressure moving across Southern Africa will bring showers and gusty winds to the region. Low pressure moving south of Australia will bring a few showers to the region. Another area of low pressure will bring impacts to portions of New Zealand.

Five-Day Storm Index Outlook for September 26-30:

Boston MA: The next five days will be impact free over the region as high pressure dominates the weather.

Memphis TN: The region will start impact free with thunderstorms developing towards the end of the period bringing moderate impacts to the region.

Fargo ND: The period will start impact free. A small window of thunderstorms will move through bringing a slight to moderate impact to the region for the 27th and 28th.

Billings MT: The region will have moderate impacts today as rain and snow mix together around the city which will bring plenty of impacts. The region will also see impacts on the 27th, but these should be less severe as it will be more rainfall and not snowfall mixing in.

Las Vegas NV: The next five days will be impact free across the region.

Climate Watch Almanac for September 21-25:

Boston MA: The regions started with temps around 3-6 degrees above then cooled to around 2-6 degrees below for the remainder of the period.

Memphis TN: The period started out with temps around 7 degrees below normal then warmed to around 1-2 degrees above. This was followed by another brief below normal period before finishing around 3 degrees above normal.

Fargo ND: The period started around 4 degrees below normal and then rapidly warmed to around 8-13 degrees above normal for the remainder of the period.

Billings MT: The period started with temps around 1-16 degrees above normal and then fell at the end of the period to around 15 degrees below normal.

Las Vegas NV: The period started with temps around 3 degrees above normal followed by temps falling to around 3-11 degrees below normal. The period finished around 2-3 degrees below normal.

Major Weather Impacts Discussion for September 26, 2013.

Day 1-3: High pressure over Southeast Canada and the Northeast will bring a nice day to the region. A frontal boundary over portions of Florida will bring showers and thunderstorms to the region. The majority of the Gulf Coast and the Southern Plains will see plenty of sunshine as well. Low pressure moving through the Northern Rockies and Plains will bring showers and mountain snows to the region. Day two high pressure will dominate the East Coast. The storm system moving through the Plains will bring showers and thunderstorms to the region. Another frontal boundary will be approaching the Northwest. The period will end with high pressure over the East Coast. The frontal boundary will shift into the Great Lakes and extend to the Gulf Coast. This region will see moderate rainfall along with thunderstorms, especially along the Gulf Coast. High pressure will be over the Southwest keeping the region dry and mild. A new powerful storm system will be pushing into the Northwest. Look for heavy rainfall at lower elevations along with snowfall over the Cascades.

Day 4-7: The period will start with low pressure over the Northwest, while high pressure dominates most of the country. We will be watching a tropical wave that will be approaching Puerto Rico at this time as well. Day six high pressure will be along the East Coast as another storm system moves into the Plains. A tropical wave will push to the north of Puerto Rico. Low pressure will be over the Northwest again with more showers. The period will finish with high pressure along the East Coast. A new storm system will push into the Northern Plains with showers and the tropical wave will push towards Bermuda.

Day 8-12: The period will start with high pressure along the East Coast giving way to a very powerful storm system over the Plains that will have rain showers over the North and strong to severe thunderstorms over the Southern Plains. A new storm system will be entering the Pacific Northwest. Day ten the storm system will be over the Great Lakes extending into the Gulf Coast with showers and thunderstorms. A new storm system will be entering the Pacific Northwest at this time as well.

Long Range Outlook: The period will start with low pressure along the East Coast. High pressure will be over the Great Lakes and another area of showers and thunderstorms will develop over Southern Texas. The middle of the period high pressure will be along the East Coast, while a Southern Plains low pressure area moves over the region with showers and thunderstorms for the Plains. A new storm system will be pushing into the Pacific Northwest, while another tropical wave hits Puerto Rico. The period will finish with a low pressure area pushing across the Gulf Coast states.

Today’s Spotlight Cities Forecast:

Cleveland OH: Partly cloudy skies with a high near 68F and overnight lows near 55F. Friday partly cloudy with a high near 67F and overnight lows near 52F. Saturday partly cloudy with a high near 72F and overnight lows near 59F. Sunday mostly cloudy with showers and a high near 64F and overnight lows near 50F. Total rainfall near 0.65 inches. Monday partly cloudy with a high near 64F and overnight lows near 48F.

Chicago IL: Partly cloudy with a high near 71F and overnight lows near 53F. Friday partly cloudy with a high near 74F and overnight lows near 53F. Saturday partly cloudy with a few thunderstorms. High temps around 78F and overnight lows near 50F. Total rainfall around 0.25 inches. Sunday partly cloudy with a high near 67F and overnight lows near 46F. Monday partly cloudy with a high near 73F and overnight lows near 48F.

Dallas TX: Partly cloudy and warm with a high near 92F and overnight lows near 67F. Friday partly cloudy with a high near 90F and overnight lows near 68F. Saturday partly cloudy with a high near 86F and overnight lows near 67F. Sunday mostly cloudy with thunderstorms. High temps around 84F and overnight lows near 70F. Total rainfall will be around 0.25 inches. Monday partly cloudy with a high near 86F and overnight lows near 70F.

Ask The Weatherman for September 26, 2013:

Question: What type of air mass is MP?

Answer: MP stands for Marine Time Polar air. This type of airmass is common near Alaska. The marine time lets us know that it’s over water, while the polar lets us know that the air is cool to cold.

*** To have your question of the day answered or have your city spotlighted for the day make sure to visit redOrbit on Facebook. ***

Green Energy Weather Report for September 26, 2013:

Wave Energy: There will be light to moderate amounts of energy along the Northeast increasing to moderate over the Mid-Atlantic to the Southeast. The Gulf Coast will also see light amounts of energy. The West Coast will see moderate amounts of energy from north to south.

Hydro Energy: The majority of the short term energy will be found along the Florida coastline, while the long term energy will be found developing over the Northern Rockies as moderate snowfall hits the region.

Solar Energy: There will be ample amounts of solar energy from the Northeast to the Great Lakes extending into the Southern Plains and Gulf Coast along with the Southwest and a good portion of the West Coast. There will also be ample amounts of energy over portions of the Northern Plains ahead of the cold front.

Wind Energy: The wind energy today will be ample over portions of the Great Lakes along with the Northern Rockies and Plains. There will also be ample amounts of energy over SOCAL extending into the Southwest US.

September 26 Weather and Your Wallet (Sioux Falls SD):

A storm system to the west will begin to make its way into the region. This will bring strong southeasterly winds to the area that will make for impacts.

Dining: There should be no issues with enjoying a nice fall afternoon at the park for lunch.

Transportation: There will be impacts over the high profiled bridges and also at the airport as planes will experience some delays in the departure and arrival due to the strong winds.

Shopping: There should be no impacts with enjoying fall shopping today.

Electricity: There will be a small window this afternoon of cooling needed as the forecast is for 7CDD’s for the area.

Yard Work: Today will be a nice day to get out and enjoy the yard work to prepare for winter.

Construction: There will be impacts today. If there are any high elevated jobs taking place today the winds will create impacts.

Outdoor Venues: No issues with enjoying time outside today at your favorite outdoor venue.


Source: redOrbit Meteorologist Joshua Kelly

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