May 20, 2013
Big Story Weather – May 20, 2013
Daily weather forecast and wrap-up provided by redOrbit meteorologist Joshua Kelly.
redOrbit Meteorologist Joshua Kelly
Big Story Weather from May 16-19: Severe weather was the big news this past weekend. There were many tornadoes reported from Texas to Iowa and back into the Northern Plains. The tornadoes did plenty of damage and there were even some fatalities reported. These storms fired up each and every day over the weekend. The Plains also dealt with strong winds and large hail.
Big Story Weather Discussion for May 20: High pressure along the Gulf Coast will keep the region humid and hot today. Showers and thunderstorms ahead of the storm system will begin to move into the Great Lakes and Ohio River Valley by later this afternoon. Overnight this will push into the Northeast. The low pressure center will be in the Northern Plains. Expect to see severe weather from the Great Lakes back into Oklahoma again today. Some of these places have already received a lot of damage from this past weekend´s storms. High pressure over the Rockies will bring dry and warm weather to the region. This will extend into the West Coast.
Severe Weather: Severe weather will be possible from Oklahoma into the Northern Plains and Great Lakes region. The potential exists for large hail, damaging winds and tornadoes through this entire region. If you live in the areas shaded in yellow above, be on the lookout for this severe weather as the day goes on.
Tropical Weather: No tropical weather forecasted for the United States over the next 24 hours.
Here is the weather for a few select cities:
New York NY: Partly cloudy with a high near 72F. Overnight lows will fall to around 65F.
Gulfport MS: Partly cloudy and hot and humid with high temps around 84F. Overnight lows will fall to around 75F.
Omaha NE: Mostly cloudy with showers and thunderstorms; some of the storms could be severe. High temps will be around 72F and overnight lows will drop to around 60F. Total rainfall amounts will be around 0.45 inches.
Billings MT: Mostly cloudy with periods of showers and a high near 59F. Overnight lows will be around 50F. Total rainfall for the day will be around 0.65 inches.
Seattle WA: Partly cloudy and mild with a high near 70F. Overnight lows will be around 55F.
May 20, 2013 Storm Tracker Update:
Atlantic Basin: Low pressure moving out of Eastern Europe will bring showers to the region. Low pressure moving over England will bring showers to the region. Expect to see showers extend into Spain as well. Low pressure moving towards Iceland will bring some rain and snow to the region.
Eastern Pacific: Low pressure moving through the Central Plains will bring severe weather to the region with heavy rain. Alvin will continue to move slowly towards the west with no impacts to land forecasted as the storm weakens over the next 24 hours. Another area of low pressure moving into the West Coast of Canada will bring showers and some higher elevation snow to the region. Low pressure moving into Western Alaska will bring showers and snow showers to the region.
Western Pacific: Low pressure moving towards the dateline will bring increased winds and seas to the region. Low pressure moving into Northeast Russia will bring some showers to the region. A third area of low pressure moving through Central China will bring showers to the region, especially Shanghai.
Indian Ocean: Two areas of low pressure moving along the monsoonal trough will bring thunderstorms to Southern India and Sri Lanka along with the Bay of Bengal.
Southern Hemisphere: Multiple areas of low pressure moving across the basin will impact the western tip of South America with showers. A second low pressure will impact southwest Australia with showers and a few thunderstorms.
Five-Day Storm Index Outlook for May 20-24:
New York NY: No impacts forecasted until around May 22-24 as showers will move into the region bringing a slight impact to the region.
Gulfport MS: The region will start impact free. Slight to moderate impacts are expected on May 22nd with thunderstorms. The rest of the week will be impact free.
Omaha NE: Moderate impacts forecasted for today associated with thunderstorms. The remainder of the week will be impact free.
Billings MT: Expect to see moderate impacts today associated with thunderstorms. On May 24 another round of storms will move in bringing a moderate impact to the region.
Seattle WA: Impacts are forecasted for the area on May 21-22 with showers moving into the region. Slight impacts will only be expected. The rest of the week will be impact free.
Climate Watch for May 15-19:
New York NY: The region started with temps around 1 below normal, warming to around 2-9 degrees above before falling back to around 5-12 degrees below normal to finish the period.
Gulfport MS: The past five days the region has seen temps around 1-4 degrees below normal.
Omaha NE: The past five days the region has seen temps around 3-13 degrees above normal.
Billings MT: The period started with temps about 2-7 degrees above normal before falling to around 7-15 degrees below normal to finish the period.
Seattle WA: The period stared with temps around 2 degrees below normal and then seen a quick warm up with temps about 6 degrees above normal before falling back to around 1-6 degrees below normal for the remainder of the period.
Major Weather Impacts Discussion for May 20, 2013:
Day 1-3: Showers and thunderstorms will be possible over Eastern Florida and Georgia today. The big story will be the severe weather from the Great Lakes back into Oklahoma and through most of the Plains. This region will see large hail, damaging winds, and tornadoes today. If you are in this region please be on the lookout for these conditions and also make sure you have some form of communication with you today. Sunny skies will dominate the Gulf Coast and also the Southwest and most of the Northwest. by day two the storm system will push slightly eastward into the Great Lakes. Expect to see thunderstorms from the Ohio River Valley back into Oklahoma and Northeast Texas. A new storm system will be pushing into the Northwest and will bring showers to the region. The period will end with the storm system finally pushing into the Northeast bringing showers and thunderstorms from New York to the Mississippi Gulf Coast. High pressure will be over the Plains, while the storm system moves into the Northern Rockies bringing showers and thunderstorms to the region.
Day 4-7: The period will start with the low pressure along the East Coast bringing showers and thunderstorms to the region. The low pressure area from the Rockies will move towards the Southern Plains, while a new system enters the Northwest. Day five will have showers over the Northeast, while high pressure builds into the Great Lakes. The Southern Plains storm system will bring thunderstorms to the region. The Northern Rockies will be dealing with showers and thunderstorms as well. By day six the storm system will move out of the Rockies and into the Northern Plains. Expect to see showers and some thunderstorms in the region. The period will end with high pressure along the East Coast bringing return flow and showers to the Gulf Coast, while the storm system moving through the Northern Plains will bring showers to the region as well.
Day 8-12: The period will start with high pressure along the East Coast and a storm system moving through the Northern Plains which will bring showers and thunderstorms to the region. By day ten high pressure will be along the East Coast. Return flow will bring showers and thunderstorms to the Gulf Coast region. The storm system will push into the Great Lakes with showers for the region. Day eleven will have low pressure over the Northeast extending back into the Northern Plains. This region will see showers and thunderstorms. High pressure will be over the Southeast. A new tropical wave could also be developing during this timeframe southeast of Cuba. The period will finish with a storm system over the Northern Plains bringing showers and thunderstorms to the region, while the tropical feature will be moving towards Cuba.
Long Range Outlook: The period will start with a strong storm system moving through the Northern Plains. Expect to see some severe weather with this feature. We are also watching the tropics as an area of interest will begin moving north of Cuba during this time bringing heavy rains to the region. During the middle of this period the strong storm system over the Northern Plains and will bring yet another day of heavy rains and severe weather to the region. The tropical feature may be pushing along the Florida coast during this time. The period will finish with a frontal boundary over the Northeast, along with a storm system in the Northern Plains again bringing another round of severe weather to the region. The tropical feature could be along the East Coast by this time.
Today's Spotlight Forecast is for Chicago IL:
Monday: Partly cloudy with thunderstorms. High temps will be around 83F. Winds will be from the southwest 12-17mph as overnight lows fall to around 65F. Total rainfall for the day will be near 0.55 inches.
Tuesday: Partly cloudy with thunderstorms. High temps will be near 80F. Winds will be from the southwest 10-15mph as overnight lows fall to around 60F. Total rainfall for the day will be around 0.20 inches.
Wednesday: Mostly cloudy with showers. High temps will be around 72F. Winds will be from the northeast 7-12mph as overnight lows fall to around 47F. Total rainfall will be around 0.65 inches.
Thursday: Morning showers will give way to partly cloudy skies with a high near 52F. Winds will be from the northeast 15-20mph as overnight lows fall to around 40F. Total rainfall will be around 0.25 inches.
Friday: Partly cloudy with a high near 59F. Winds will be from the northeast 5-10mph as overnight lows fall to around 44F.
Ask The Weatherman for May 20, 2013:
Question: What is the ITCZ?
Answer: The ITCZ stands for the Inter-tropical convergence zone. This region is located along and just north and south of the Equator. This region is watched closely for tropical development as it holds a lot of convection and has a high likelihood for storms to develop. This region extends along the entire globe.
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Wave Energy: There will be areas of light to moderate wave energy along the entire East Coast for today. Looking at a light chance of wave energy over the Northern Gulf of Mexico. The best area for wave energy will be over the Southwest and Northwest region as a frontal boundary will bring moderate to high amounts of wave energy to the region.
Solar Energy: The best places for solar energy today will be from the Northeast into the Mid-Atlantic and southward into the Southeast. Also looking at more solar energy levels over the Gulf Coast region. The entire West Coast will enjoy solar energy today as well.
Wind Energy: The best place for wind energy today will be over the Western Dakotas behind the frontal boundary and over the Colorado Rockies right behind the cold front.
Hydro-Energy: The majority of the Northern Plains from the Dakotas southward into Oklahoma and eastward towards the Great Lakes and southward into the Mid-Mississippi River Valley will also see plenty of hydro energy today.
May 20 Weather and Your Wallet (Sioux City IA):
A strong storm system moving through the region will bring another day of showers and thunderstorms.
Dining: This morning look for impacts as the showers and thunderstorms move through the region. This evening should be fine for dining outside.
Transportation: Expect to see delays in your commute this morning as the storms move through the region.
Shopping: Later this afternoon and evening will be the best time to get out and do some shopping.
Electricity: This evening there will be a small window of heating needed as the forecast is for 4HDD´s.
Yard Work: This afternoon there will be a range of 11GDD´s for today.
Construction: This morning there could be some delays with the outdoor projects.
Outdoor Venues: Holding off until this evening will allow for better conditions to take that walk or enjoy an evening in the backyard.