Big Story Weather – August 15, 2013
Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly.
redOrbit Meteorologist Joshua Kelly
Big Story Weather from August 14: Severe weather yesterday consisted of large hail in both Texas and Kansas with the largest at 1.75 inches. Damaging winds occurred over Texas with many places seeing 70-75mph wind gusts. Tropical weather continued to get active as the area near the Yucatan Peninsula got stronger and also Tropical Depression #5 formed to the West of Africa.
Big Story Weather Discussion for August 15:
Surface Map: High pressure over the Ohio River Valley will provide partly cloudy skies and cooler weather to the region. This will expand into the Northeast as well. A stationary boundary along the Gulf Coast will bring showers and thunderstorms to the region. Low pressure over Oklahoma will bring showers and thunderstorms to the region. This will extend into Texas as well. The Southwest monsoon will bring thunderstorms to parts of Arizona and New Mexico. High pressure over the Rockies will keep the region dry and mild along with the West Coast.
Severe Weather: Today’s severe weather includes large hail and heavy rainfall over the Southwest. Stronger storms capable of producing isolated tornadoes will hit the Southern Plains from Texas to Missouri. This region will also see large hail and damaging winds along with flooding rains. The third location will be along the Gulf Coast. This area will mostly see heavy rainfall.
Tropical Weather: Invest 92L remains near the Yucatan Peninsula. This area could very well be upgraded to a depression or a storm later today. Winds are now around 30kts and pressure near 1009mb. This feature really needs to be watched as it could have impacts along the Western Gulf of Mexico all the way towards the Mississippi Gulf Coast. Tropical Depression #5 has formed over the Eastern Atlantic near the Cape Verde Islands. This feature will strengthen into a storm later today as winds are around 35kts and pressure near 1008mb. This storm will continue tracking westward.
Select City Forecast:
Buffalo NY: Partly cloudy and cool with a high near 70F and lows around 60F.
New Orleans LA: Partly cloudy with afternoon thunderstorms. High temps will be around 92F and lows around 78F. Total rainfall will be near 0.25 inches.
Fargo ND: Partly cloudy and cool with high temps near 74F and lows around 52F.
Denver CO: Partly cloudy with a high near 80F and lows around 63F.
Seattle WA: Partly cloudy and warm with high temps around 83F and lows around 65F.
August 15, 2013 Storm Tracker Update:
Eastern Pacific Ocean: Low pressure to the southwest of Hawaii is being watched for possible tropical development. Low pressure to the west of Mexico is also being watched for possible tropical development with winds around 25kts and pressure near 1009mb. Low pressure moving into Alaska will bring rain and wind to the region. Low pressure moving along the west coast of Canada will bring showers to the region.
Atlantic Ocean: Low pressure moving near the Yucatan Peninsula is being watched for possible tropical development with winds around 30kts and pressure near 1009mb. This area will need to be watched closely as it will have impacts on the United States this weekend. Tropical Depression 5L as developed to the west of Africa and is moving across the Atlantic and will also need to be watched for impacts over time. Winds are currently around 35kts and pressure around 1008mb. Low pressure moving along the east coast of Canada will bring showers to the region. These showers will also be over Greenland and Iceland. Low pressure moving towards Northwestern Europe will bring a few showers to the region.
Western Pacific: Tropical Storm Utor continues to move over land and rapidly weaken with winds around 45kts and pressure near 989mb. This storm should begin to rain itself out over Southeast China. Two other areas are being watched for possible tropical development. The first is near Manila and the second it to the south-southwest of Guam. Low pressure moving across Central China will bring showers to Mongolia.
Indian Ocean: The southwest monsoonal will be very active again today with heavy rainfall possible over India and Sri Lanka. Afternoon thunderstorms will impact the weather from Singapore to Malaysia and into Thailand.
Southern Hemisphere: Multiple low pressures moving through the basin will impact Southern South America with rain showers and snow showers for the area. Low pressure to the southwest of South Africa will bring strong winds to the region. Low pressure moving south of Australia will bring showers to Perth. Another area of low pressure moving over New Zealand will bring showers to the region.
Five-Day Storm Index Outlook for August 15-19:
Buffalo NY: The period will start impact free, however by Aug 17-19 a cold front will move through the region bringing a chance for thunderstorms and slight to moderate impacts for the area.
New Orleans LA: The next five days there will be slight to moderate impacts. On the 17th and 18th the region may see tropical storm force conditions that would bring moderate to severe impacts to the region.
Fargo ND: The majority of the period will be impact free, however a chance for thunderstorms on Aug 19 will bring the region a slight to moderate impact.
Denver CO: The region will be impact free all the way until Aug 18-19. Then the region will see slight to moderate impacts associated with thunderstorms moving through the region.
Seattle WA: The next five days will be impact free for the area.
Climate Watch for August 10-14:
Buffalo NY: The past five days temps have been around 3-9 degrees below normal.
New Orleans LA: The period started with temps around 1-7 degrees above normal followed by temps falling to 8 degrees below to finish the period.
Fargo ND: The past five days the region has seen temps around 1-8 degrees below normal.
Denver CO: The region has seen temps around 1-6 degrees below normal for the past five days.
Seattle WA: The past five days have been a tad warm with temps around 1-5 degrees above normal for the region.
Major Weather Impacts Discussion for August 15, 2013:
Day 1-3: The period will begin with high pressure over the Ohio River Valley which will push partly cloudy skies into the region along with cooler weather. A surface low over Oklahoma could provide just enough lift to create a small window of severe weather over the region. A stationary front along the Gulf Coast will bring showers and thunderstorms to the region this afternoon. High pressure over the Rockies will keep most of the West dry, while a few showers will be possible over Arizona and New Mexico. Day two the high pressure moves into the Northeast, while tropical moisture starts to push up into the Gulf Coast bringing more heavy rainfall to the region. The majority of the country will be dry. The period will finish with high pressure along the East Coast, a few showers and thunderstorms along the Gulf Coast, and a frontal boundary moving into the Northern Plains. Low pressure over Southwest Arizona will bring showers to the region.
Day 4-7: The period will begin with return flow setting up over the East Coast, increased tropical moisture over the Gulf Coast, and also a frontal boundary bringing showers and thunderstorms to the Northern Plains. Day six a frontal boundary from the Mid-Atlantic to the Gulf Coast will bring showers to the region. A few showers will be possible over the Colorado region as well. The period will finish with a frontal boundary along the East Coast and a second frontal boundary over the Northern Plains. Both regions will see showers and thunderstorms.
Day 8-12: The period will start with high pressure over the Northeast, while another frontal boundary pushes into the Northern Plains. Along with that a few showers and thunderstorms will be along the Gulf Coast. Day nine increased tropical moisture will be present from the Gulf Coast to the Southeast. Another storm system will be pushing through the Northern Plains. The period will finish with another strong frontal boundary along the East Coast extending into the Gulf Coast. This will bring showers and thunderstorms to the region. High pressure will build in over the Northern Plains.
Long Range Outlook: The period will start with ample moisture along the boundary from the Northeast to the Gulf Coast, while an increase in tropical moisture will be over the Gulf Coast. Another frontal boundary will be pushing into the Northern Plains. The period will end with a strong storm system moving through the Northern Plains.
Today’s Spotlight Forecast is for Sioux Falls SD:
Thursday: Partly cloudy and cool with high temps near 74F. Winds from the southeast 7-12mph as overnight lows fall to around 52F.
Friday: Partly cloudy and cool with a high near 77F. Winds from the southeast 5-10mph as overnight lows fall to around 55F.
Saturday: Partly cloudy and warmer with high temps near 82F. Winds from the southeast 8-13mph as overnight lows fall to around 60F.
Sunday: Partly cloudy with high temps near 86F. Winds from the south 9-14mph as overnight lows fall to around 62F.
Monday: Partly cloudy with afternoon thunderstorms. High temps around 86F. Winds from the southeast 5-10mph as overnight lows fall to around 56F. Total rainfall will be near 0.20 inches.
Ask The Weatherman for August 15, 2013:
Question: What are air mass thunderstorms?
Answer: Air mass thunderstorms are thunderstorms that develop in a marine time tropical air mass, most common along the Gulf Coast of the US, during the summer months. They are also generally not severe in nature.
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Green Energy Weather Report for August 15, 2013:
Wave Energy: There will be slight to moderate amounts of energy along the Northeast Coast along with the Mid-Atlantic. The Southeast will also see slight amounts of energy. The Northern Gulf of Mexico will start to see moderate to extreme amounts of wave energy as the tropical starts to enter the Gulf. The Northwest and Southwest will have slight to moderate amounts of energy.
Solar Energy: The best places for solar energy today will be form the Ohio River Valley into the Eastern Great Lakes and west through the lakes into the Northern Plains. The Rockies and the majority of the West Coast will also have good amounts of solar energy.
Wind Energy: The strongest winds will be behind the front over Oklahoma and Texas. The second area will be behind the high pressure over the Great Lakes.
Hydro-Energy: There will be slight amounts of energy over portions of the Northeast and moderate amounts of energy along the Gulf Coast. The Southern Plains will also have slight to moderate amounts of energy. The Southwest will see slight amounts of energy.
August 15 Weather and Your Wallet (Austin TX):
A frontal boundary near the area will bring a chance for showers and thunderstorms in the region today.
Dining: There will be impacts to your lunch time picnic in the park.
Transportation: There will be some delays at the airport this afternoon along with slower moving traffic along the major highways.
Shopping: This afternoon you will want an umbrella as the showers and thunderstorms move into the region.
Electricity: There will be a moderate need for cooling this afternoon as high temps rise to the upper 90′s bringing a total of 21CDD’s to the region.
Yard Work: This morning and again this evening will be the best chance to get out and do some yard work if you need to cut grass.
Construction: There will be some delays this afternoon to construction projects that are outdoor due to the showers and thunderstorms.
Outdoor Venues: Expect to see some impacts to any outdoor event that is planned for the afternoon.