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Big Story Weather – May 31, 2013

May 31, 2013

Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly.

redOrbit Meteorologist Joshua Kelly

Big Story Weather from May 30: Another active severe weather day with around 16 tornadoes spread across Oklahoma, Arkansas and an isolated one in Illinois. Oklahoma saw five and Arkansas ten. Hail was a huge problem again with these storms. The largest recorded hail of the day comes out of Oklahoma with the size of 4.25 inches – equivalent to the size of a softball. Wind damage was also very pronounced yesterday with many places seeing stronger than 65mph wind gusts, with the highest coming out of Iowa at 81mph measured at an airport.

Big Story Weather Discussion for May 31: The Bermuda High will again be kicking off the Southeast Coast. Expect to see warm conditions along the East. Severe storms will setup over the same part of the Plains and expand further into the Ohio River Valley. A cool rain will be over the Northern Plains. The West Coast will enjoy another nice day with plenty of sunshine.

Severe Weather: Another busy day in the severe weather sector. Today we are looking at a region from Texas to the Great Lakes and all along the Mississippi River Valley. The strongest storms will fire back over the Southern Plains, however this entire region will see severe storms capable of producing damaging winds, large hail and isolated tornadoes.

Tropical Weather: The tropical are has dissipated, however the convection is still present in the southwest Gulf of Mexico. Winds are currently around 20mph and a pressure of 1005mb. This area does still support potential redevelopment into the Atlantic´s first storm.

Here is the weather for a few select cities:

New York NY: Today partly cloudy skies with a high near 82F. Overnight lows will drop to near 70F.

Houston TX: Partly cloudy with a few afternoon thunderstorms. High temps will be around 85F while low temps drop to 75F. Total rainfall today will be around 0.25 inches.

Sioux City IA: Partly cloudy skies with a high near 64F. Overnight lows will fall to around 58F.

Boise ID: Partly cloudy skies with a high near 66F, overnight lows will be around 59F.

Portland OR: Partly cloudy skies with a high near 71F. Overnight lows will be around 54F.

May 31, 2013 Storm Tracker Update:

Eastern Pacific: Low pressure to the southwest of Hawaii will bring high winds and seas to the open ocean. Low pressure moving through the Gulf of Alaska will bring showers to the region. Low pressure moving through Central Canada will bring showers to the region. Two areas of low pressure pushing east of Fiji will bring afternoon showers to the region.

Western Atlantic: Low pressure moving through the Plains will bring another day of severe weather and flooding rains. Low pressure over the southwest Gulf of Mexico is being watched for possible tropical development. Low pressure to the east of South America will bring a cold front with showers to portions of Argentina.

Eastern Atlantic: Low pressure moving through Central Europe will bring showers to the region. An area of low pressure moving off the coast of Africa has good circulation with it this morning and will need to be watched as it pushes west today. Two areas of low pressure will bring showers to portions of South Africa.

Western Pacific/ Indian Ocean: Low pressure moving to the east of Japan will bring a frontal boundary to portions of Northern Japan. Low pressure to the south of Guam is being watched for possible tropical development. Low pressure is moving through southern Australia and will bring showers to the region. Two areas of strong convection over the Northern Indian Ocean will bring heavy rain to the region especially over the Bay of Bengal.

Five-Day Storm Index Outlook for May 31-June 4:

New York NY: The period will start impact free, but will see slight to moderate impacts from June 1-3 before finishing the period impact free.

Houston TX: The area will have slight to moderate impacts today and then another chance of slight to moderate impacts on June 2 followed by an impact free finish to the period.

Sioux City IA: The area will start impact free, but a chance of impacts will begin on June 1 and again on June 4.

Boise ID: There will be slight to moderate impacts on June 2. The remainder of the period will be impact free.

Portland OR: The area will enjoy five days of impact free weather.

Climate Watch for May 26-30:

New York NY: The area started with temps around 7 degrees below normal and then warmed to around 2 degrees above normal before falling for one more day around 4 degrees below normal and then finished the period around 8-17 degrees above normal.

Houston TX: The region started with temps around 1-2 degrees above normal and then briefly fell to around 3 degrees below normal before finishing the period 1-2 degrees above normal again.

Sioux City IA: The period started with temps around 1-8 degrees below normal and then warmed to around 2-4 degrees above normal while finishing the period 1-2 degrees below normal.

Boise ID: The past five days the region has seen temps around 3-10 degrees below normal.

Portland OR: The region has been dealing with temps around 3-9 degrees below normal for the past five days.

Major Weather Impacts Discussion for May 31, 2013:

Day 1-3: High pressure along the Southeast coast will bring nice weather to the region again. This will extend into the Northeast as well. Tropical moisture will be in place over Florida again today. The strong storm system will impact the Plains to the Ohio River Valley and also the Mississippi River Valley with another round of severe weather and flooding rains. The West Coast will enjoy another nice day. Day two the interaction of the Bermuda High and also the frontal boundary moving through will bring plenty of rain and storms from the Gulf Coast to the Ohio River Valley and into parts of the Northeast. The West will enjoy another nice day. The period will finish with low pressure in the Great Lakes. This will bring showers and severe thunderstorms from the Great Lakes to the Gulf Coast. The West will remain dry.

Day 4-7: The period will start with the storm system over the Northeast extending to the Gulf Coast bringing plenty of rain and thunderstorms to the region. Tropical moisture will also be on the increase over the Southwest Gulf of Mexico. A new storm system will begin to push into the Northern Rockies bringing showers and thunderstorms to the region. Day five the storm system will still be along the East Coast bringing more rain to the region and also thunderstorms. A tropical feature will be developing over the Gulf of Mexico during this time. A potent low pressure area will be pushing into the Northern Plains bringing the chance for some severe weather. The period will end with a large area of showers and thunderstorms from the Mississippi River Valley to the East Coast. The tropical feature will push further into the Gulf of Mexico moving towards the northeast.

Day 8-12: The period will start with a frontal boundary extending from the Great Lakes to the Gulf Coast. There will be plenty of rainfall associated with thunderstorms along this frontal boundary. The tropical feature will push further into the Gulf providing plenty of rainfall to Florida. Day nine a storm system will be bringing showers and thunderstorm to the Plains. The tropical feature will possibly making landfall in the Northern Gulf Coast region with heavy rains and storm surge. The period will finish with a lot of tropical moisture over the Eastern United States, while another storm system makes a push into the Dakotas bringing a large potential of severe weather to the region.

Long Range Outlook: The long range will begin with plenty of tropical moisture along the East Coast and the storm system over the Plains. The period will finish with a lot of moisture along the East Coast and a storm system moving into the Mississippi River Valley bringing plenty of moisture to the region.

Today’s Spotlight Forecast is for Denver CO:

Friday: Partly cloudy and cool with a high near 70F. Winds from the northwest 15-20mph as overnight lows fall to around 41F.

Saturday: Partly cloudy and cool with a low near 69F. Winds will be from the northeast 7-12mph as overnight lows fall to around 44F.

Sunday: Partly cloudy and warm with a high near 80F. Winds from the southeast 10-15mph as overnight lows fall to around 54F.

Monday: Partly cloudy and hot with a high near 90F. Winds will be from the northwest 10-15mph as overnight lows fall to around 50F.

Tuesday: Partly cloudy with a high near 81F. Winds will be from the southeast 5-10mph as overnight lows fall to around 46F.

Ask The Weatherman for May 31, 2013:

Question: What kind of conditions does a tornado need to form?

Answer: Tornadoes need three things to develop. The first is in the lower levels where they need warm moist air that comes in from the Gulf of Mexico. The second thing in the mid-levels is the dry air which usually comes in from the southwest US. The third is cold air aloft which is supplied by the cold air coming in from the Rockies. When these three things come together, we can see tornadoes form.

*** 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 May 31, 2013:

Wave Energy: There will be moderate amounts of wave energy along the entire East Coast from the Northeast to the Southeast. The Northern Gulf of Mexico will also have moderate amounts of wave energy. The Southwest will have low amounts of wave energy, while the Pacific Northwest will see lower amounts of energy today as well.

Solar Energy: There will be moderate amounts of solar energy across the Mid-Atlantic and portions of the Southeast. The majority of the West Coast will also enjoy moderate amounts of solar energy. The Gulf Coast will have periods of sunshine in between the showers.

Wind Energy: There will be moderate amounts of wind energy across the Front Range of the Rockies during the day behind the cold front that will be moving over the Plains.

Hydro-Energy: Florida will see moderate to high amounts of hydro energy associated with tropical moisture moving through the region. The Northern Gulf Coast will see light amounts of hydro energy, while the Plains into the Great Lakes and the Ohio River Valley will have moderate amounts of hydro energy associated with the frontal rains.

May 31 Weather and Your Wallet (Baltimore MD):

Return flow around the Sub-tropical high will bring a very warm day to the region with plenty of sunshine.

Dining: Today will be a great day to get out for lunch and enjoy the park.

Transportation: There will be no weather issues with traffic today.

Shopping: Today will be warm. Other than that it will be a nice day to get out and start buying those summer clothes as it will feel like summer.

Electricity: There will be a moderate demand for air conditioning today as high temps rise into the upper 80´s and lower 90´s. The total CDD´s for today is around 15.

Yard Work: This morning will be the best time to get out and water the yard and garden and then let them enjoy a nice day of growing weather with the forecast for 30GDD´s.

Construction: There will be no issues outside of it being warm. Make sure to drink plenty of fluids if you are working outdoors today as the roads will even be warmer.

Outdoor Venues: Today will be a great day to take a walk and enjoy the sun.


Source: redOrbit Meteorologist Joshua Kelly

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