Big Story Weather – September 2, 2013
redOrbit Meteorologist Joshua Kelly
Big Story Weather from August 30- September 1:
The heat finally maxed out and has been replaced by cooler air over the Northern Plains, while the Southern Plains continued to bake. Severe weather was pretty widespread this weekend. On Friday two tornadoes were recorded – one in South Dakota and the other in North Dakota. The largest hail of the day was 3.0 inches which occurred in North Dakota. The strongest wind gusts at 75mph were reported in Illinois. On Saturday the severe weather included one tornado in North Dakota, 2.5 inch hail in South Dakota, and the strongest winds were 80-90mph in Minnesota. On Sunday severe weather included one tornado in Illinois, 1.75 inch hail in Arkansas and 65-70mph winds in Kansas.
Big Story Weather Discussion for September 2:
Surface Map: Low pressure moving through the Eastern Great Lakes will bring showers to the region. This will spread into the Northeast as well. Thunderstorms will extend from the Northern Plains to the Gulf Coast along the frontal boundary. Low pressure over the Baja will bring a few afternoon thunderstorms to Arizona. High pressure over the Rockies will bring nice weather to the region, although it will a tad warmer than average.
Severe Weather: The three focus points for today include an area along the Gulf Coast where there will mostly be strong winds and heavy rainfall. A second area along the frontal boundary will see large hail and damaging winds along with a few tornadoes. The third region over the Southwest will be heavy rainfall along with strong winds.
Tropical Weather: 97L has been born over the Atlantic. This feature has made it west of the dry air which puts an elevated chance of seeing this storm developing further over the next couple of days. Winds this morning are already around 30kts and pressure near 1008mb. If this feature develops it will need to be watched closely as it could have impacts on the United States from Florida to the Gulf Coast. All residents in this area need to pay close attention.
Select City Forecast:
Baltimore MD: Partly cloudy with a high near 70F and lows near 62F.
Gulfport MS: Partly cloudy with an afternoon thunderstorm. High temps around 93F and lows near 77F. Total rainfall around 0.25 inches.
Fargo ND: Partly cloudy with a few thunderstorms. High temps around 74F and lows near 54F. Total rainfall around 0.15 inches.
Denver CO: Partly cloudy skies with a high near 80F and lows near 62F.
Seattle WA: Partly cloudy and mild with a high near 83F and lows near 66F.
August 30, 2013 Storm Tracker Update:
Eastern Pacific Ocean: Tropical Depression Kiko continues to track slowly to the north and weaken. The system now has winds around 30kts and pressure near 1006mb. Low pressure moving towards Alaska will bring showers to the region and a few higher elevation snow showers.
Atlantic Ocean: Low pressure moving through the Great Lakes will bring showers and thunderstorms to the region. Another area of low pressure moving towards Greenland will bring showers to the region. A tropical wave moving in the Western Atlantic to the east of Puerto Rico needs to be watched over the next few days for possible tropical development. Winds are around 30kts and pressure of 1008mb. This system has a good chance for developing so interest from Florida to the Gulf Coast need to be watching this system. Another strong wave is getting ready to emerge off the coast of Africa.
Western Pacific: Low pressure moving through Northern Japan will bring showers and thunderstorms to the region. Tropical Storm Toraji continues to move towards Southern Japan with winds around 35kts and pressure of 996mb. This storm should move towards Sasebo Japan and possibly make landfall near the coast of Southwest Japan. A second wave is being watched over the open Pacific for possible tropical development.
Indian Ocean: The region is fairly tranquil today, however there is one tropical wave that is being watched for possible tropical development with winds around 20kts and pressure of 1007mb.
Southern Hemisphere: Multiple areas of low pressure moving through the basin with impacts being felt over Southern Chile and Argentina with rain showers and snow showers. Low pressure is also moving well south of South Africa bringing stronger winds to the region. A third area of low pressure is headed towards Southwest Australia.
Five-Day Storm Index Outlook for September 2-6:
Baltimore MD: The region will start out impact free. There will be slight to moderate impacts around Sept. 5 as a frontal boundary moves through the region.
Gulfport MS: The area will have slight to moderate impacts today associated with thunderstorms. Around September 4 a second round of thunderstorms will move through the region.
Fargo ND: The region will see a moderate impact today associated with afternoon thunderstorm. On Sept. 6 the region will have another chance for moderate impacts associated with thunderstorms.
Denver CO: The region will start out impact free followed by slight to moderate impacts on Sept. 5-6 as a frontal boundary moves through bringing thunderstorms to the region.
Seattle WA: The next five days will be impact free.
Climate Watch for August 28- September 1:
Baltimore MD: The area started with temps around 1-2 degrees below normal and then finished the period with temps around 3-9 degrees above normal.
Gulfport MS: The past five days the region has seen temps around 1-4 degrees above normal.
Fargo ND: The past five days the region has seen temps around 8-12 degrees above normal.
Denver CO: The past five days temps have been around 5-10 degrees above normal for the region.
Seattle WA: The past five days have provided temps around 1-9 degrees above normal.
Major Weather Impacts Discussion for September 2, 2013.
Day 1-3: Low pressure moving through the Northeast will bring showers and thunderstorms to the region. The frontal boundary will extend all the way through the Southeast and into the Gulf Coast bringing showers and thunderstorms to the region. High pressure over the Plains will bring nice weather to the region. A few isolated thunderstorms may be possible but overall nice weather. The West and the Rockies will be dry and warm again today. Day two the frontal boundary will push off the East Coast, while high pressure builds in over the Great Lakes. The southwest monsoon will bring an increase in showers and thunderstorms to the Southwest. The period will end with high pressure over the East Coast and a few afternoon thunderstorms over the Rockies and the Northwest. The southwest monsoon will bring showers and thunderstorms to Arizona and New Mexico.
Day 4-7: The period will start with a weak frontal boundary along the Gulf Coast bringing showers and thunderstorms to the region. High pressure will be over the East Coast. Another storm system will bring showers to the Pacific Northwest and Northern Rockies. Day six a frontal boundary will extend across the Great Lakes bringing showers and thunderstorms to the region. Another storm system will be moving into the Northern Plains bringing showers and thunderstorms to the region. A tropical feature will begin to approach Puerto Rico during this time. The period will end with a tropical feature to the East of Florida, high pressure over the Great Lakes, and another storm system will push into the Northern Plains bringing showers and thunderstorms.
Day 8-12: The period will start with the tropical feature moving up the Eastern Atlantic off shore. A strong storm system will be pushing into the Great Lakes with nice weather. A storm system over the Western Great Lakes will extend into the Gulf Coast bringing showers and thunderstorms to the region. High pressure will bring nice weather to the West. Day ten a storm system will be moving over the Great Lakes bringing showers to the region, while another tropical feature begins to approach Puerto Rico. The majority of the country from the Plains to the West Coast will be dry and mild. The period will finish with a low pressure area over the Northeast. The frontal boundary will extend into the Gulf Coast bringing showers and thunderstorms to the region. High pressure over the Great Lakes will bring nice weather to the region. Another tropical feature will bring more showers and thunderstorms to the Baja, while a storm system will begin to push towards the Pacific Northwest.
Long Range Outlook: The period will start with high pressure over the East Coast and a storm system will bring showers and thunderstorms to the Gulf Coast. The tropical feature over the Eastern Pacific will bring showers into the Baja and Southern Arizona. A powerful storm system will push into the Pacific Northwest bringing heavy rainfall to the region. The period will end with high pressure over the Eastern US. A surge of moisture will also push into the Gulf Coast region bringing an increase in possible flooding to the region.
Today’s Spotlight Forecast is for Chicago IL:
Monday: Partly cloudy with isolated thunderstorms. High temps around 70F. Winds from the northwest 2-7mph. Overnight near 50F. Total rainfall near 0.05 inches.
Tuesday: Partly cloudy with a high near 74F. Winds from the southwest 5-10mph. Overnight lows near 57F.
Wednesday: Partly cloudy with a high near 80F. Winds from the northeast 5-10mph. Overnight lows near 60F.
Thursday: Partly cloudy and cool with a high near 80F. Winds from the northeast 5-10mph. Overnight lows near 56F.
Friday: Partly cloudy with a high near 83F. Winds from the southwest 5-10mph. Overnight lows near 65F.
Ask The Weatherman for September 2, 2013:
Question: What is an upper level trough?
Answer: This is a weather feature that occurs between 2,500ft and 20,000ft. This feature brings warm air into the layer that it’s traveling in and it brings an increased chance for precipitation to places that it travels over.
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Green Energy Weather Report for September 2, 2013:
Wave Energy: There will be moderate amounts of energy along the Northeast ahead of the storm system. The Mid-Atlantic and the Southeast will see light to moderate amounts of energy. The Northern Gulf Coast will see light amounts of energy. The Southwest and the Northwest will have moderate amounts of energy.
Solar Energy: There will be ample amounts of solar energy over the Plains and the Rockies back into the West Coast. There will be ample amounts of energy along the Gulf Coast before the thunderstorms move into the region.
Wind Energy: There will be moderate amounts of wind energy over the Northern Rockies and also over the Northeast behind the frontal boundary again.
Hydro-Energy: There will be moderate amounts of hydro energy over the Northeast, the Mid-Atlantic into the Southeast and the Gulf Coast as showers and thunderstorms impact these regions. There will also be areas of moderate energy over portions of the Northern Plains and the Great Lakes behind the frontal boundary.
September 2 Weather and Your Wallet (Mobile AL):
A frontal boundary approaching from the west will bring an increased chance of seeing afternoon thunderstorms.
Dining: There will be some impacts this afternoon as thunderstorms move through the region.
Transportation: There will be some delays on the roads this afternoon as the heavier showers and thunderstorms move through. Along with that there will be some minor delays at the airport.
Shopping: This afternoon you might need an umbrella if you are out enjoying the Labor Day sales.
Electricity: Today will be warm and the need for cooling will be elevated all day long. The forecast is for a high temp around 93F leading to around 19CDD’s for the area.
Yard Work: This morning would be the best time to get out and mow the lawn before the afternoon heat and thunderstorms move into the region.
Construction: This afternoon there will be some delays to outdoor projects for anyone that may be working today.
Outdoor Venues: Look for some impacts this afternoon as you enjoy your Labor Day.