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Big Story Weather – September 10, 2013

September 10, 2013

redOrbit Meteorologist Joshua Kelly

Big Story Weather from September 9:

Yesterday was another hot day over the middle of the United States with temps soaring into the upper 90’s and heat index values near 105F. Flooding rains were also a big concern as places in the Rockies saw well over 3-5 inches of rainfall leading to large flash flooding events. Cold weather was a big impact as well with some places in the Northeast getting into the lower 30’s last night. Severe weather was fairly limited; however we did get the largest hail of 1.0 inch in both Michigan and Southern California. The strongest damaging winds came from Nebraska with wind gusts around 80mph.

Big Story Weather Discussion for September 10:

Surface Map: High pressure off the Mid-Atlantic coast will bring return flow over the Southeast and a few thunderstorms. An upper level ridge over the middle of the United States will be responsible for another hot day with high temps in the upper 90’s and heat index values soaring over 100. Low pressure near the Baja will bring another day of monsoonal rains to the Southwest including Colorado. A strong cold front moving through the Plains and Western Great Lakes will be the focus of heavy rainfall today along with severe weather.

Severe Weather: Today we will be watching an area over the Southeast mostly for heavy rains and damaging winds. There will also be a large area of potential severe weather from the Plains into the Great Lakes along the frontal boundary. This area will mostly be damaging winds, large hail and heavy rainfall. The third place will be over the Southwest where there will be strong winds along with flash flooding.

Flooding: There will be a high chance for flooding over the Southwest today as monsoonal rains unleash heavy rainfall.

Heat: A strong upper level high over the middle of the US will be responsible for some very dangerous heat over Iowa to the Chicago and Detroit areas today as high temps soar into the 90’s and heat index values reach 105F.

Tropical Weather: Tropical Storm Gabrielle has re-developed to the north-east of Puerto Rico with winds around 35kts and pressure near 1008mb. The storm is expected to impact Bermuda over the coming days. Tropical Storm Humberto has winds around 55kts and pressure of 998mb. This storm continues to gain strength and is on course to being the first Atlantic hurricane of the 2013 Season. There is also an invest moving towards the Yucatan Peninsula with winds around 20kts and pressure of 1010mb. This area will slowly push towards the Southwest Gulf of Mexico and has potential of developing.

Select City Forecast:

Buffalo NY: Partly cloudy with a few thunderstorms this morning giving way to partly cloudy this afternoon and high temps around 74F. Overnight lows will be near 60F. Total rainfall around 0.25 inches.

Gulfport MS: Partly cloudy with a high near 92F and lows near 74F.

Omaha NE: Partly cloudy with afternoon thunderstorms. High temps near 90F and lows near 64F. Total rainfall near 0.25 inches.

Billings MT: Partly cloudy and warm with a high near 84F and lows near 67F.

Seattle WA: Partly cloudy with a high near 83F and lows near 62F.

September 10, 2013 Storm Tracker Update:

Eastern Pacific Ocean: An area of low pressure along the coast of Mexico will have to be watched for possible tropical development. Low pressure moving through the Gulf of Alaska will bring another windy, rainy day to the region.

Atlantic Ocean: Low pressure moving into the Great Lakes will bring heavy rainfall to the region along with some severe weather. Low pressure moving towards Greenland will bring showers to the area. Tropical Storm Gabrielle has re-developed to the north of Puerto Rico and is moving towards Bermuda with winds around 35kts and pressure near 1008mb. Tropical Storm Humberto continues to move away from the Cape Verde Islands with winds around 55kts and pressure near 998mb. This storm will continue over the open Atlantic and reach hurricane strength within the next couple of days. An area of interest has developed near the Yucatan Peninsula and will need to be watched as it moves towards the southwest Gulf of Mexico.

Western Pacific: Low pressure along the east coast of China will push out towards the northeast today bringing showers to the region. Two areas of tropical development are being watched at this time. The first area is to the east of Manila and the second area is to the northwest of Guam.

Indian Ocean: The southwest monsoon will be kicking up again today; however it will be shift a tad bit further south and move more over open water event today leaving the heavier rainfall over the Indian Ocean. Moderate rainfall will still be possible for India and Sri Lanka.

Southern Hemisphere: Multiple areas of low pressure continue to move through the basin with impacts being felt over Southern Argentina and Chile with rain showers and snow showers again today. A second low pressure is moving south of Southern Africa bringing moderate winds to the area. A third area of low pressure is moving over Southwest Australia bringing showers to the region. Another area of low pressure will bring showers to parts of New Zealand.

Five-Day Storm Index Outlook for September 10-14:

Buffalo NY: The region will have moderate impacts today associated with thunderstorms and then again the 12-14th as another round of thunderstorms moves through the region.

Gulfport MS: The area will be impact free today. The rest of the period will see slight to moderate impacts associated with thunderstorms.

Omaha NE: The region will see slight to moderate impacts today with thunderstorms and then again on the 14th as another round of thunderstorms moves through the region.

Billings MT: The majority of the period will be impact free; however thunderstorms will develop at the end of the period bringing a slight to moderate impact to the region.

Seattle WA: The region will remain dry and impact free for the next five days.

Climate Watch for September 5-9:

Buffalo NY: The past five days temps have been around 1-9 degrees below normal for the area.

Gulfport MS: The past five days temps have been around 2-4 degrees above normal for the region.

Omaha NE: The period started with temps around 1 degree below followed by a warm up with temps running around 8-11 degrees above average.

Billings MT: The region started with temps around 10-16 degrees above normal followed by a cool down with temps dropping to around 1-2 degrees below normal.

Seattle WA: The region started with temps around 2-6 degrees below normal and then warmed to around 1-7 degrees above normal.

Major Weather Impacts Discussion for September 10, 2013:

Day 1-3: High pressure along the Mid-Atlantic coast will bring return flow over the Southeast allowing for showers and thunderstorms to develop. A strong Mesoscale convective system will push through the Northeast with strong winds. The frontal boundary from the Plains into the Great Lakes will be the focus of more showers and thunderstorms this afternoon. High pressure over the Mid-Mississippi River Valley will bring hot weather from Iowa to Detroit. The southwest monsoon will bring heavy rainfall from Arizona into Colorado and New Mexico. The West Coast will enjoy a warm but dry day today. Day two tropical storm conditions will impact Bermuda, while a frontal boundary moving over the Northeast will bring showers to the region along with a few thunderstorms. High pressure will slide in over the Northern Plains. The period will finish with low pressure over the Northeast bringing showers and thunderstorms to the region, while high pressure will bring cooler weather to the Northern Plains and also the Great Lakes. A tropical wave will push into the Southwest Gulf of Mexico as well. The southwest monsoon will bring yet more heavy rainfall to the Southwest.

Day 4-7: The period will start with a frontal boundary along the Mid-Atlantic region. A tropical feature will move over the Southwest Gulf of Mexico. High pressure will build into the Great Lakes and the southwest monsoon will bring another day of moderate rainfall to the region. Day six a tropical feature will be making landfall over Northeast Mexico and Southeast Texas. High pressure will be over the Great Lakes and another storm system will be pushing into the Pacific Northwest. The period will end with tropical moisture surging into Southern Texas.

Day 8-12: The period will start with high pressure over the East Coast and a surge of tropical moisture from Texas to Mississippi. A frontal boundary moving into the Plains will bring more rainfall to the region as well. The West will remain dry. Day ten high pressure will remain along the East Coast, while the tropical moisture surges northward over the Gulf Coast region into the frontal boundary over the Great Lakes. Day eleven another tropical feature will be pushing over the Atlantic and towards Bermuda. The period will finish with high pressure over Southeast Canada, a tropical feature moving towards the East Coast, and another tropical feature moving towards the Yucatan. A very strong low pressure area will move into the Northern Plains with strong winds and the setup for a possible severe weather outbreak.

Long Range Outlook: This period will be very busy with multiple tropical features impacting the weather and also another strong storm system moving across the Plains.

Today’s Spotlight Forecast is for Denver CO:

Tuesday: Partly cloudy with afternoon thunderstorms. High temps around 66F. Winds from the northeast 5-10mph. Overnight lows near 56F. Total rainfall near 0.25 inches.

Wednesday: Partly cloudy with scattered thunderstorms. High temps around 68F and lows near 56F. Winds from the northeast 7-12mph. Rainfall totals near 0.65 inches.

Thursday: Mostly cloudy with showers. High temps near 60F and lows near 50F. Winds from the northeast 9-14mph. Total rainfall will be near 1.00inch

Friday: Mostly cloudy with showers. High temps near 57F and lows near 48F. Winds from the northeast 5-10mph. Total rainfall around 0.80 inches.

Saturday: Partly cloudy with afternoon thunderstorms. High temps around 76F and lows near 54F. Winds from the northwest 2-7mph. Total rainfall will be around 0.10 inches.

Ask The Weatherman for September 10, 2013:

Question: What are some types of low clouds?

Answer: Low clouds come in two classes. The first is Stratus and the second is Cumulus. . If you get up in the morning and you see that it’s foggy out, those are stratus clouds on the ground. When you see white puffy clouds in the sky, those are cumulus clouds. When you see large puffy white to dark clouds, those would be the cumulus-nimbus clouds – storm clouds. These are just a few examples of low clouds.

*** 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 10, 2013:

Wave Energy: There will be light to moderate amounts of energy along the Northeast and also the Mid-Atlantic. The Southeast will begin to see moderate to extreme amounts of energy. The Northern Gulf of Mexico will have light amounts of energy. The Southwest and Northwest will see light to moderate amounts of energy.

Solar Energy: There will be ample amounts of energy over the Gulf Coast and also the Southern Plains. Later this afternoon the Northeast will also have ample amounts of energy along with the Ohio and Upper Mississippi River Valley. There will be ample amounts of energy along the West Coast.

Wind Energy: The best place for today’s wind energy will be over the Central Great Lakes and also the Northern Rockies.

Hydro-Energy: There will be ample amounts of moisture over the Northern Plains and also the Western Lakes along the frontal boundary. There will also be ample amounts of energy along the Colorado River from Colorado into the Southwest.

September 10 Weather and Your Wallet (Austin TX):

A warm day with a few isolated thunderstorms possible this afternoon.

Dining: There will be a few impacts this afternoon during the thunderstorms.

Transportation: There will be some impacts on the roadways this afternoon during the thunderstorms and also at the airport.

Shopping: This morning or this evening will be the best time for shopping.

Electricity: There will be a moderate use of cooling all day today with the forecast of 16CDD’s on the day.

Yard Work: This morning would be the best time to get the yard work done or again towards sunset.

Construction: There will be a few impacts for outdoor projects this afternoon when the thunderstorms move through the area.

Outdoor Venues: This afternoon you could run into a few impacts as thunderstorms move through the region.


Source: redOrbit Meteorologist Joshua Kelly

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