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Big Story Weather – August 20, 2013

August 20, 2013

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

redOrbit Meteorologist Joshua Kelly

Big Story Weather from August 19: Severe weather yesterday was limited to a few wind damage reports in Florida and California with wind gusts near 50-60mph. The hot weather has finally started to return to the Plains section.

Big Story Weather Discussion for August 20:

Surface Map: High pressure over the Carolinas will bring partly cloudy skies to the Mid-Atlantic and northward into the Northeast and back over most of the Ohio River Valley. Afternoon onshore flow will bring a few thunderstorms to the Gulf Coast and Southeast. A frontal boundary moving through the Plains will bring another day of showers and thunderstorms to the area. High pressure over the Rockies will make for another dry and hot day with increased fire potential. The Southwest monsoon will provide a few showers and thunderstorms to the region from Arizona to New Mexico. The West Coast will be dry and hot.

Severe Weather: There are three areas of concern today. The Gulf Coast will see heavy rainfall and strong winds. The Southwest will also see heavy rainfall and strong winds. The Northern Plains to Central Plains will see heavy rainfall, strong winds and some large hail.

Tropical Weather: The Atlantic basin is tranquil this morning with no development forecasted over the next 24 hours as the sub-tropical high continues to squeeze the area of moisture and also dry air is again pushing off the African Coast.

Select City Forecast:

Buffalo NY: Partly cloudy and cool today with a high near 70F and lows around 60F.

Little Rock AR: The region will be partly cloudy with a few afternoon thunderstorms. High temps around 87F and lows near 72F. Total rainfall around 0.25 inches.

Minneapolis MN: Partly cloudy with afternoon thunderstorms. High temps around 70F and lows near 54F. Total rainfall near 0.25 inches.

Rapid City SD: Partly cloudy and mild with high temps around 77F and lows near 56F.

Portland OR: Partly cloudy and hot with high temps near 88F and lows around 57F.

August 20, 2013 Storm Tracker Update:

Eastern Pacific Ocean: Tropical Storm Pewa continues to track towards the west-northwest. A little bit of weakening has taken place, but the forecast is for it to return to hurricane strength as winds are now around 45kts and pressure near 1000mb. Tropical Depression 3C is currently tracking to the southwest of Hawaii with winds around 30kts and pressure near 1008mb. This system should dissipate over the next 24-48 hours. Low pressure moving into Alaska will provide the region another day of showers. A tropical wave pushing away from Mexico is being watched for possible tropical development. Low pressure moving through Western Canada will bring showers and thunderstorms to the region.

Atlantic Ocean: Low pressure moving towards the Great Lakes will bring showers back over the Western Lakes and into the Plains along with some thunderstorms. Low pressure moving away from the Northeast will bring high seas to the region. Low pressure moving into Greenland will bring showers to the area. One wave coming off the coast of Africa needs to be watched for possible tropical development.

Western Pacific: Tropical Storm Trami continues to move towards Taiwan with winds around 55kts and pressure near 982mb. This storm is forecasted to hit Typhoon strength before making landfall in Taiwan. Another region being watched to the northeast of Trami currently has winds around 25kts and pressure near 999mb. Low pressure moving through Japan will bring showers and thunderstorms to the region including Tokyo.

Indian Ocean: The southwest monsoon will be very active from India into Sri Lanka again.

Southern Hemisphere: Multiple waves moving through region with impacts being felt over Southern Chile and Southern Argentina with strong winds, rain showers and snow showers. The second area being impacted is South Africa with cold weather and strong winds. The third place being impacted is Southeast Australia and New Zealand with showers and cooler weather.

Five-Day Storm Index Outlook for August 20-24:

Buffalo NY: The region will start impact free. By Aug 22-24 a frontal boundary will be moving through the region bringing showers and thunderstorms along with slight to moderate impacts.

Little Rock AR: The region will see slight to moderate impacts over the next couple of days associated with showers and thunderstorms. On Aug 24 another round of showers and thunderstorms will bring impacts to the region.

Minneapolis MN: The area will have slight to moderate impacts today associated with thunderstorms. On Aug 24 another frontal boundary will bring more showers and thunderstorms to the region.

Rapid City SD: The area will start impact free. By the end of the period showers and thunderstorms will move into the region bringing slight to moderate impacts to the area.

Portland OR; The region will be impact free over the next five days.

Climate Watch for August 15-19:

Buffalo NY: The period started with temps around 1-7 degrees below normal and then finished the period around 1-2 degrees above normal.

Little Rock AR: The past five days the region has seen temps around 6-18 degrees below normal.

Minneapolis MN: The period started with temps around 1-2 degrees below normal but the period finished with temps around 1-8 degrees above normal.

Rapid City SD: The period also started below normal with temps around 1-8 degrees below, followed by a warm up with temps around 3-5 degrees above normal.

Portland OR: The region started about 2-4 degrees below normal followed by a warm up with temps around 2-3 degrees above normal.

Major Weather Impacts Discussion for August 20, 2013:

Day 1-3: High pressure over the Carolinas will keep most of the Mid-Atlantic and Northeast dry and cool today. Afternoon showers and thunderstorms will develop over the Gulf Coast and the Southeast. A few thunderstorms will be found along the frontal boundary over the Plains and Western Lakes. A few afternoon thunderstorms will be found over the Southwest. The majority of the West will be dry and hot. Day two a frontal boundary will extend from the Mid-Atlantic to the Gulf Coast with thunderstorms along this boundary. A second cold front will extend from the Great Lakes back into the Plains bringing showers and thunderstorms to the region. Isolated thunderstorms will begin to develop over the dry West, hopefully helping to provide some relief to fire fighters. The period will end with showers and thunderstorms extending from the Northeast all the way into the Gulf Coast. High pressure will build in over the Northern Plains and Great Lakes. Isolated thunderstorms will be possible over the West.

Day 4-7: The period will start with a boundary extending from the Carolinas into the Gulf Coast. This will be the focus of showers and thunderstorms. High pressure will extend over the Great Lakes and Northeast. A frontal boundary will begin to push into the Northern Rockies and Northern Plains bringing showers and thunderstorms to the region. A tropical will begin to move up along the Baja bringing increased moisture to Arizona and New Mexico. The period will end with showers and thunderstorms along the Gulf Coast and another weak frontal boundary moving through the Great Lakes.

Day 8-12: The period will begin with a frontal boundary along the Mid-Atlantic to the Gulf Coast. High pressure will be over the Great Lakes and the Northeast. W weak frontal boundary will be moving through the Palins. A powerful low pressure will be moving into Alaska bringing very strong winds, high seas and flooding rains. Day ten most of the United States will be under daytime heating impacts which will provide isolated thunderstorms in some pockets. Day eleven a storm system will move through the Great Lakes and Ohio River Valley bringing some showers and thunderstorms to the region. The period will end with showers and thunderstorms in the Northeast.

Long Range Outlook: The long range will start with a powerful storm system moving into the Northeast bringing showers, thunderstorms and some severe weather. The southwest monsoon will also bring showers and thunderstorms to the region. The period will end with a frontal boundary bringing showers and thunderstorms to the Northern Plains along with return flow over the Gulf Coast. A developing tropical could also be pushing towards Puerto Rico during this time.

Today’s Spotlight Forecast is for Sioux City IA:

Tuesday: Partly cloudy and hot with high temps around 92F. Winds from the southeast 2-7mph along with overnight lows near 70F.

Wednesday: Partly cloudy hot with a few afternoon thunderstorms. High temps near 94F. Winds from the southwest 5-10mph and overnight lows will fall to near 70F. Total rainfall will be around 0.10 inches.

Thursday: Partly cloudy and cooler with a high near 80F. Winds from the southeast 5-10mph and overnight lows will fall to around 65F. Total rainfall will be around 0.80inches.

Friday: Partly cloudy and mild with high temps around 88F and lows near 70F. Winds from the southeast 12-17mph.

Saturday: Partly cloudy and hot with high temps around 94F. Winds from the southeast 9-14mph and overnight lows will fall to near 70F.

Ask The Weatherman for August 20, 2013:

Question: What does the words TS and CB and RA and SN mean on a weather report?

Answer: Weather reports uses all these key words. TS stands for Thunderstorms, CB stands for Cumulus-nimbus, RA means Rain, and SN stands for snow. These are just some of our key words, but we have many more.

*** 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 August 20, 2013:

Wave Energy: There will be moderate amounts of energy along the Northeast near the low pressure area. The Mid-Atlantic and Southeast will have slight to moderate amounts of energy. The Northern Gulf Coast will have slight amounts of energy. The Southwest will see moderate amounts of energy along with the Northwest.

Solar Energy: There will be ample amounts of solar energy from the Great Lakes into the Ohio River Valley and across into the Northeast and the Mid-Atlantic region. The Southeast and Gulf Coast will have moderate amounts of energy this morning before the afternoon thunderstorms begin. There will be moderate amounts of energy over the Rockies and the West Coast as well.

Wind Energy: The best place today for wind energy will be over the Carolinas and also over the Northern Rockies.

Hydro-Energy: There will be light amounts of energy over the Gulf Coast and Southeast, while there will be slight to moderate amounts of energy from the Plains into the Western Lakes. There will be light amounts of energy over the Southwest as well.

August 20 Weather and Your Wallet (Honolulu Hawaii):

Today will be a pretty typical summer day with east to southeast flow over the region. A dry day with partly cloudy skies and temps in the mid 80’s.

Dining: Today will be an excellent day to head down to the beach strip and enjoy dining outside along the water front with plenty of sunshine.

Transportation: There should be no weather impacts to the roads, boating or airline services to the island.

Shopping: If you have plans to head out to the malls or down to Waikiki Beach, today will be a great day for doing that.

Electricity: There will be a moderate need for cooling all day long as high temps rise to the mid 80’s and low temps only fall into the upper 70’s. Today’s forecast is for 16CDD’s.

Yard Work: If you need to get yard work done today, the entire day should be pleasant for doing that. There may be a window this afternoon around 2-5pm that will be a bit hot.

Construction: There will be no weather impacts today on the outdoor road projects or building projects. Just make sure to hydrate as it will be a touch bit warm.

Outdoor Venues: Today will be an excellent day to hit the beach, enjoy snorkeling or surfing at the beach, or just laying back and enjoying the Hawaiian sunshine.


Source: redOrbit Meteorologist Joshua Kelly

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