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Big Story Weather – September 9, 2013

September 9, 2013

redOrbit Meteorologist Joshua Kelly

Big Story Weather from September 6-8:

A very wet weekend with multiple areas of flooding rains that pushed from Montana into the Dakotas. There was also another round of frost over the Northeast over the weekend. Friday’s severe weather included 1.75 inch hail over North Dakota and Montana along with 75-85mph wind gusts in Wyoming. Saturday’s severe weather included 2.5 inch hail in South Dakota and wind gusts of 70-80mph also in South Dakota. Sunday’s severe weather hit over Wyoming with hail at 4.25 inches and North Dakota saw wind gusts around 70-75mph along with flooding rains across a majority of the state.

Big Story Weather Discussion for September 9:

Surface Map: High pressure sliding off the East Coast will bring a warmer day to portions of the region along with nice weather. Low pressure moving through the Plains will bring another day of heavy rainfall along with thunderstorms. High pressure over the Southern Rockies will bring nice weather to the West Coast. The monsoonal low over Mexico will bring a few showers and thunderstorms into Southern Arizona and also New Mexico.

Severe Weather: There will be three areas of concern today. The first is over the Northern Plain. This region should mostly see heavy rainfall along with strong winds and large hail. The second will be over the Southeast US. This region will see mostly heavy rainfall and strong winds. The third area will be over the Southwest where will also be heavy rainfall along with strong winds.

Winter Weather: There will be a pocket of frost and freeze again this evening over the Northeast near the high pressure area allowing for clear skies and a very cool night.

Flooding: There will be a high potential of another round of flooding for portions of North Dakota and extreme northern South Dakota.

Tropical Weather: Tropical Storm Humberto has formed over the far Eastern Atlantic and is moving towards the Cape Verde Islands with winds around 35kts and pressure of 1005mb. This storm is forecasted to move west-northwest and also intensify over the next couple of days to a possible first Atlantic hurricane of the season. An area of convection located just to the northeast of Puerto Rico is being watched for possible development as well. Winds are around 25kts and pressure is near 1008mb.

Select City Forecast:

New York NY: Partly cloudy with a high near 74F and lows near 66F.

Houston TX: Partly cloudy with a high near 92F and lows near 76F.

Chicago IL: Partly cloudy with afternoon thunderstorms. High temps around 78F and low temps near 62F. Total rainfall around 0.45 inches.

Denver CO: Partly cloudy with afternoon thunderstorms. High temps around 82F and low temps near 60F. Total rainfall near 0.25 inches.

Portland OR: Partly cloudy and warm with a high near 88F and lows near 54F.

September 9, 2013 Storm Tracker Update:

Eastern Pacific Ocean: Low pressure moving off the coast of Mexico is being watched for possible tropical development. A strong low pressure area is moving into the Gulf of Alaska bringing rain and strong winds along with some higher elevation snows.

Atlantic Ocean: Tropical Storm Humberto has developed in the Eastern Atlantic with winds around 35kts and pressure near 1005mb. The storm will continue to move west-northwestward and possibly become the first Atlantic hurricane of the 2013 Atlantic Season. There is also another strong wave pushing off the coast of Africa that will have to be watched for possible development. A third wave just to the northeast of Puerto Rico is being watched for possible tropical development as well. Low pressure moving over Northeast Canada will bring showers to the region. A surface low moving through the Northern Plains will bring showers, flooding and thunderstorms to the region. Low pressure moving into Western England will bring showers to the northern parts. Another low pressure moving through Central Europe will bring showers to Germany and even Moscow.

Western Pacific: Low pressure moving over Eastern China will push out towards Seoul and bring with it strong winds along with moderate rainfall to the region. This will extend towards Tokyo as well.

Indian Ocean: The southwest monsoon will be active again today from India to Sri Lanka with increased rainfall expected today.

Southern Hemisphere: There are multiple areas of low pressure moving through the basin again with impacts being felt over Southern Chile and Argentina with rain showers and snow showers. Low pressure moving south of South Africa will bring clouds and stronger winds to the region. A third low moving over Southwest Australia will bring showers and a few thunderstorms to the region.

Five-Day Storm Index Outlook for September 9-13:

New York NY: The region will start out impact free. There is a chance for thunderstorms on the 12th that will bring a slight to moderate impact to the region.

Houston TX: There will be no impacts today. Look for slight to moderate impacts on September 10-11 and again on the 13th.

Chicago IL: The region will have slight to moderate impacts every day due to thunderstorms except for September 12.

Denver CO: The region will have slight to moderate impacts today and then again on September 12-13 associated with another round of thunderstorms.

Portland OR: The next five days will be impact free for the area.

Climate Watch for September 4-8:

New York NY: The region saw temps around 2-3 degrees above to start the period and then cooled down to around 1-8 below normal before finishing the period near 1-2 above normal.

Houston TX: The period started with temps around 1-6 degrees above normal and then fell to around 2-4 degrees for the remainder of the period.

Chicago IL: The period started around 5 degrees above, then fell to around 5 degrees below normal. This was followed by another warming trend with temps around 8-10 degrees above. The period finished around 1-2 degrees below normal.

Denver CO: The past five days temps have been warm as they have been around 10-15 degrees above normal for the area.

Portland OR: The period started with temps around 6-9 degrees below normal and then finished around 3-6 degrees above normal.

Major Weather Impacts Discussion for September 9, 2013:

Day 1-3: High pressure along the East coast will keep most of the region nice with fair weather and cooler temps. A few afternoon thunderstorms will be possible along the Southeast. The frontal boundary moving through the Northern Plains will bring showers, thunderstorms and heavy rainfall to the region. This will expand into the Great Lakes as well. High pressure over the Rockies will keep nice weather in the region along with the West Coast. There will be a few thunderstorms over the Southwest US associated with the southwest monsoon. The period will end with low pressure moving over the Northeast bringing showers and thunderstorms to the area. A tropical wave will develop over the Southwest Gulf of Mexico. A weak upper level trough will be over Colorado bringing showers to the region. High pressure will keep the Rockies and the West dry.

Day 4-7: The period will start with a frontal boundary over the Northeast and East Coast bringing showers and thunderstorms to the area. High pressure will build in over the Plains and Great Lakes bringing another round of cool weather to the area. The tropical feature in the Southwest Gulf will push slightly northward. High pressure will keep the rest of the country nice and tranquil except for the Southwest where a few afternoon thunderstorms will be possible. Day six high pressure will be along the East Coast, while the tropical feature will be pushing slowly towards Southern Texas. Another storm system will be moving into the Northern Plains and high pressure will dominate the West. The period will finish with high pressure along the East Coast and low pressure over the Plains and Great Lakes extending into the Gulf Coast bringing the area showers and thunderstorms. The tropical feature will still be in the Southwest Gulf and another high pressure area will slide into the Northern Rockies.

Day 8-12: The period will start with low pressure along the East Coast bringing showers and thunderstorms. High pressure will dominate the Northern Plains and Great Lakes. Tropical moisture will be on the increase over Southern Texas and portions of the western Gulf of Mexico. High pressure will keep the West dry. Day ten high pressure will slide into the Northeast. A low pressure system will push into the Northern Plains bringing showers and thunderstorms. The tropical feature will still be in the Southwest Gulf of Mexico. A strong storm system will push into Alaska with showers and some snow showers.

Long Range Outlook: The period will start with a tropical wave still in the Gulf of Mexico producing showers and thunderstorms over a large area of the Gulf. The rest of the country will be under two separate high pressure areas. The period will end with high pressure along the East Coast, a tropical feature moving towards Cuba, and a strong low pressure moving into the Plains with showers and thunderstorms.

Today’s Spotlight Forecast is for Fargo ND:

Monday: Mostly cloudy with thunderstorms. High temps around 73F. Winds from the northwest 5-10mph. Overnight lows near 58F. Total rainfall around 0.30 inches.

Tuesday: Partly cloudy and mild with a high near 82F. Winds from the northwest 7-12mph. Overnight lows near 62F.

Wednesday: Partly cloudy and nice with a high near 82F. Winds from the northwest 7-12mph. Overnight lows near 55F.

Thursday: Partly cloudy and cool with a high near 74F. Winds from the northeast 5-10mph. Overnight lows near 48F.

Friday: Partly cloudy with a high near 74F. Winds from the southeast 7-12mph. Overnight lows near 50F.

Ask The Weatherman for September 9, 2013:

Question: What are some things that can be seen on the weather radar?

Answer: The radar is a highly sophisticated weather instrument that looks into the atmosphere and can give meteorologists a wide array of information including: when the next thunderstorm will start or finish; will the thunderstorm have strong winds; and how heavy will the rainfall be. Along with that we can also use the radar to determine if the thunderstorm is rotating so that we can issue tornado warnings along with severe thunderstorm warnings. This is just the thunderstorm aspect of the radar. We can also use it for winter weather.

*** 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 9, 2013:

Wave Energy: There will be light to moderate amounts of energy along the Northeast and Mid-Atlantic region. The Southeast will see moderate to extreme as a tropical wave moves into the region. The Northern Gulf Coast will see light amounts of energy. The Southwest and Northwest will both see moderate to extreme amounts of energy.

Solar Energy: There will be ample amounts of energy over the Northeast from Maine to New York and along the Gulf Coast into portions of the Tennessee River Valley. There will also be ample amounts of solar energy over the Southern Plains and the West Coast.

Wind Energy: The best wind energy today will be over the Northern Rockies behind the cold front and then also over the Great Lakes behind the high pressure center.

Hydro-Energy: There will be ample amounts of energy over the Northern Plains and the Great Lakes along the frontal boundary. There will be moderate amounts of energy over the Southwest and portions of the Southeast.

September 9 Weather and Your Wallet (Biloxi MS):

High pressure will keep the region fairly nice all day. A few thunderstorms may be possible by Tuesday sunrise.

Dining: No issues today. It will be hot around lunch time so make sure to watch out for overheating.

Transportation: There will be no weather delays or impacts on the roads or at the airport.

Shopping: Today will be a nice day to get out and enjoy the end of summer sales.

Electricity: There will be a small demand for cooling all day long with the forecasted high temps around 91F. This will lead to around 19CDD’s on the day.

Yard Work: There will be plenty of sunshine to get out and enjoy some yard work today. You might want to do it this morning or later this evening.

Construction: There will be no impacts to outdoor work today, but stay hydrated as the day heats up.

Outdoor Venues: Today will be a nice day for taking a walk on the boardwalk.


Source: redOrbit Meteorologist Joshua Kelly

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