Big Story Weather – July 12, 2013
Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly.
redOrbit Meteorologist Joshua Kelly
Big Story Weather from July 11: The hot weather impacted a large part of the country from the Plains to the Southwest and into the Western Great Lakes. Temps were in the 100-120F range over the Southwest and Southern Plains and in the 90-100F range for the Northern Plains. Severe weather was limited yesterday to large hail and damaging winds. The largest hail came from a storm in North Dakota at the size of 1.75 inches. The strongest winds also came from North Dakota at 80mph. Heavy rainfall was recorded across a good portion of the Mid-Atlantic and also the Southeast and into the Gulf Coast. Many places saw 2-4 inches of rainfall.
Big Story Weather Discussion for July 12: Low pressure over the Mid-Atlantic will bring heavy rainfall to the region. A secondary low pressure developing over the Gulf Coast will also bring another day of heavy rainfall over the region. High pressure over Southeast Canada will bring nice weather to the region. This will extend into the Northeast and also the Great Lakes. The majority of the West will remain dry.
Severe Weather: The largest area of severe weather will be from the Gulf Coast to the Mid-Atlantic region. This area will mostly see large hail and damaging winds today.
Tropical Weather: A tropical wave pushing towards Southeast Florida will need to be watched for possible tropical development over the next 24 hours as it continues to move northward into the Southern Florida region. It will bring gusty winds and heavy rainfall to Florida over the weekend.
Here is the weather for a few select cities:
Cleveland OH: Partly cloudy skies with a high temp near 75F. Overnight lows will fall to around 65F.
Mobile AL: Partly cloudy with thunderstorms. High temps will be near 91F and overnight lows will fall to near 78F. Total rainfall will be around 1-2 inches.
Sioux Falls SD: Partly cloudy with a slight chance of an evening thunderstorm. High temps will be around 84F and overnight lows will be near 74F. Total rainfall will be less than 0.15 inches.
Denver CO: Partly cloudy with a high near 90F. Overnight lows will fall to around 70F.
Seattle WA: Partly cloudy with a high near 64F and overnight lows around 58F.
July 12, 2013 Storm Tracker Update:
Eastern Pacific Ocean: Multiple areas of low pressure are moving through and just west of Central America and will have to be watched for tropical development. Low pressure to the south of Hawaii should not impact the island. Low pressure moving through Alaska will bring showers to the region. Low pressure moving through Western Canada will also bring showers and thunderstorms to the region.
Atlantic Ocean: A tropical wave to the southeast of Florida is being watched for possible tropical development. Low pressure over the Gulf Coast will bring increased rain and thunderstorms to the region today. Low pressure over the Mid-Atlantic will bring showers and thunderstorms to the region. Low pressure moving towards Greenland will bring showers to Eastern Canada. Low pressure moving towards Western Europe will bring showers to London and part of the Scandinavian region.
Western Pacific: Typhoon Soulik has winds around 90kts and pressure near 956mb and is currently impacting Taiwan with heavy rains and very strong winds. The storm should push into Eastern China this weekend. Low pressure moving north of Guam will push away into the open Pacific. A tropical wave to the southeast of Guam will need to be watched for possible tropical development. Two areas of low pressure moving through Northern Russia will bring showers and thunderstorms to the region.
Indian Ocean: The monsoonal trough continues to impact the region with heavy rainfall and a lot of flooding for the region.
Southern Hemisphere: Multiple areas of low pressure moving through the basin with one area of low pressure impacting Argentina and Southern Chile with showers and higher elevation snows. The second area of low pressure is bringing strong winds and cloudy skies to parts of Southern Africa. The third area of low pressure is impacting South-Central Australia with showers.
Five-Day Storm Index Outlook for July 12-16:
Cleveland OH: The area will be impact free until the 16th when the region will then have slight to moderate impacts associated with thunderstorms.
Mobile AL: The region will have slight to moderate impacts for the next five days as thunderstorms move through each afternoon.
Sioux Falls SD: The area will have slight to moderate impacts on the 14th. The remainder of the period will be impact free.
Denver CO: The next five days the region will be impact free.
Seattle WA: The region will see no weather impacts over the next five days.
Climate Watch for July 7-11:
Cleveland OH: The area started with temps around 2-3 degrees below normal and then warmed to around 3-5 degrees above normal before finishing the period around 8 degrees below normal.
Mobile AL: The past five days the region has seen temps around 1-11 degrees below normal.
Sioux Falls SD: The area started with temps about 3-5 degrees above normal and then cooled to around 1-3 degrees below normal for the remainder of the period.
Denver CO: The area started with temps about 1-2 degrees below normal, but then rapidly warmed to around 4-11 degrees above normal for the remainder of the period.
Seattle WA: The region started with temps about 1-6 degrees above normal and then fell to around 2-3 degrees below normal for the remainder of the period.
Major Weather Impacts Discussion for July 12, 2013:
Day 1-3: High pressure over Southeast Canada will bring nice weather to the Northeast, the Great Lakes and into the Northern Plains. A frontal boundary with multiple areas of low pressure will be moving from the Gulf Coast to the Mid-Atlantic region bringing showers and thunderstorms to the region. The Plains and the Rockies along with the Southwest will have plenty of hot air in place for today as temps will soar into the 90-110F range. The Pacific Northwest will enjoy a nice cool day. Day two the showers and thunderstorms will continue along the Gulf Coast and the monsoonal rains over the Southwest will begin to increase in coverage again. Showers will push into the Northern Plains. The period will finish with return flow along the Gulf Coast and the Southeast, while a strong frontal system will push through the Northern Plains. The Southwest monsoons will also be in full force.
Day 4-7: The period will start with high pressure over the East Coast and return flow pushing over the Southeast and Gulf Coast. A strong push of the monsoonal rains will also evolve over the Southwest. Day five will have a good flow of monsoonal rains over the Southwest and isolated thunderstorms over the Gulf Coast and the Southeast. Day six a frontal boundary will extend from the Great Lakes back into the Northern Plains. This area will see showers and thunderstorms. The monsoonal rains will be increasing in coverage over the Southwest pushing into the Central Rockies.
Day 8-12: The period will start with showers and thunderstorms along a frontal boundary from the Mid-Atlantic back into the Great Lakes and portions of the Northern Plains. The monsoonal rains will again bring more needed rainfall to the Southwest. The Southeast and Gulf Coast will have return flow with afternoon thunderstorms in the area. Day ten there will be heavy rainfall extending from the Northern Plains into the Mid-Atlantic and southward into the Gulf Coast. The monsoonal rains will still be impacting portions of the Southwest. The period will finish with return flow over the Gulf Coast bringing heavy rains to the region. Another frontal boundary over the Northern Plains will bring more showers and thunderstorms to the region.
Long Range Outlook: The period will start with a powerful storm system over the Northeast bringing severe weather to the region. A low pressure area is moving out of Texas and towards the Mississippi Gulf Coast and will heavy rains to the region. A frontal boundary will be moving across the Northern Plains bringing rainfall to the region along with thunderstorms. The period will finish with moderate rainfall extending from the Mid-Atlantic region back through the Southeast and over to the Plains, while a tropical feature will be pushing towards Mexico during this time as well.
Today’s Spotlight Forecast is for Charlotte NC:
Friday: Partly cloudy with thunderstorms. High temps around 82F and overnight lows near 68F. Winds will be from the northeast 5-10mph and total rainfall will be around 0.75 inches.
Saturday: Partly cloudy with thunderstorms. High temps near 84F and overnight lows near 70F. Winds will be from the southeast 7-12mph and total rainfall will be near 0.60 inches.
Sunday: Partly cloudy with isolated thunderstorms. High temps near 88F and overnight lows near 70F. Winds will be from the southwest 5-10mph and total rainfall will be around 0.15 inches.
Monday: Partly cloudy and warm with a high near 91F. Winds from the southwest 5-10mph and overnight lows fall to near 68F.
Tuesday: Partly cloudy and hot with high temps around 95F. Overnight lows will be near 70F. Winds from the southwest 7-12mph.
Ask The Weatherman for July 12, 2013:
Question: What is an Air Mass Thunderstorm?
Answer: Air Mass Thunderstorms are thunderstorms that develop in the warm marine time tropical air. These thunderstorms are most common along the Southeast and Gulf Coast of the United States. They will form in the afternoon hours and produce heavy rain but usually do not become severe.
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Green Energy Weather Report for July 12, 2013:
Wave Energy: There will be slight to moderate amounts of wind energy along the Northeast. The Mid-Atlantic will see moderate to extreme amounts of wind energy. The Southeast and Northern Gulf Coast will have slight amounts of wave energy. The Southwest and Northwest will have slight amounts of wave energy.
Solar Energy: There will be large amounts of solar energy from the Ohio River Valley into the Great Lakes over the Upper Mississippi River Valley, through the Plains and back into the majority of the West.
Wind Energy: The strongest wind energy will be over the Southern Mississippi River Valley and also Southeast Canada and the Eastern Great Lakes behind the frontal boundary.
Hydro-Energy: There will be light to moderate amounts of hydro energy through both the Mid-Atlantic and the Southeast. The Gulf Coast will see light to moderate amounts of energy.
July 12 Weather and Your Wallet (Biloxi MS):
A frontal boundary just to the north of the area will provide the region with afternoon thunderstorms.
Dining: There will be some thunderstorms during the afternoon which could limit dining outdoors this into the evening.
Transportation: There will be some delays on the major roads as the heavy rainfall moves in. Look for some delays at the airport this afternoon as well.
Shopping: This afternoon you will want to take an umbrella with you on any shopping excursions.
Electricity: There will be a large demand for cooling all day long with the highest amounts during the afternoon. The forecast is for about 20CDD’s for the region.
Yard Work: This morning would be the best time to get any yard work done before it gets very hot and the thunderstorms move into the region. With a high of 93F, the heat index will make it dangerous in the yard this afternoon.
Construction: There will be some delays this afternoon for any outdoor projects. If you’re working on an outdoor project, make sure to drink plenty of water to stay hydrated as it will be hot.
Outdoor Venues: This morning would be an excellent time to get the dog out for a walk. This afternoon, if you have plans outside, be ready for the rains and also the hot weather that will be in the area.