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Big Story Weather – July 18, 2012

July 18, 2012

redOrbit Meteorologist Joshua Kelly

Big Story Weather from July 17: There was plenty of severe weather yesterday. A land spout (http://en.wikipedia.org/wiki/Landspout) was spotted in Western Kansas. Also, there were over 100 wind damage reports resulting in trees being uprooted and parts of house siding being taken off. The wind damage was found in Southeast Alabama eastward into the Florida Panhandle and then northward into Georgia and South Carolina. A second pocket of wind damage was located in the Western part of South Dakota. The third extensive wind damage area was found in the Eastern Great Lakes to include Michigan and Indiana and another spot was up in the extreme Northeast in New York, New Hampshire and Vermont.  Most of the hail reports came out of Western South Dakota with other isolated reports spread throughout the country.

Big Story Weather Outlook for July 18: Thunderstorms will be scattered from the Northeast back southwestward into the Ohio River valley. The Mid-Atlantic will see partly cloudy skies and temps in the upper 80´s for places like Dover. The southeast will again today see return flow around the sub-tropical high which will make for another warm day with afternoon thunderstorms for places like Mobile with a high in the lower 90´s. A few isolated thunderstorms will be found on the backside of the frontal boundary in places like Sioux City where there will be isolated storms along with highs near 90. The western third of the US will enjoy partly cloudy skies and warm conditions for places like Denver where the high temps will push into the 90´s. While the extreme West Coast will deal with partly cloudy skies and cooler temps with the highs in the lower 80´s for places like San Diego where there will also be an increase in wave heights associated with Tropical Depression Fabio which is to the southwest of San Diego today.

Big Story Weather International Outlook: A strong push of tropical moisture from Khanun will impact an already saturated southern Japan with more heavy rain and potential for landslides. Khanun is approaching landfall in South Korea with strong winds and heavy rain along with storm surge for places in Southern South Korea. The monsoonal trough will be in place over India again. High pressure will bring partly cloudy skies from the Middle East westward back into Western Europe to places like Spain and England. The tail end of a frontal boundary will bring isolated showers to the Southeast portion of Australia, while the remainder of the country will enjoy partly cloudy skies.

Big Story Weather Oceans: Tropical Storm Khanun is making its way onshore in Southern South Korea with winds near 50kts with higher gusts today. Estimated winds near the center are around 50kts with higher gusts and pressure near 985mb. A tropical depression is continuing to track its way northward near the Baja and also the waves are starting to reach Southern California. Estimated pressure is around 1007mb and winds near 30kts. 99E has developed to the south of Fabio and will continue to intensify as it is over very warm waters. Estimated pressure is near 1007mb with winds around 20kts. The Western Pacific also has 92W which is just off the coast of the Philippines with estimated winds around 15kts and 1010mb.

(The following map is courtesy of F-5 data).

Tropics Watch: As Tropical Storm Khanun moves onshore over South Korea today we look at the sea surface temps and see that it will be in waters around 21-23C all the way onshore. If the storm shifts westward and goes up to the west of the Korea´s the water temps will remain in the 21-23C range have very little impacts on weakening the storm.


Source: redOrbit Meteorologist Joshua Kelly

Big Story Weather  July 18 2012 Big Story Weather  July 18 2012 Big Story Weather  July 18 2012


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