Weekly Severe Weather Discussion

Severe Weather Discussion for July 21 – 27, 2008.
Valid: 07/20/2008.

Highlights:

– Dog days of summer have set in with normal warmth across the region.
Temperatures will be in the upper 90s to 103 all week.

– Tropics are unseasonably active with several areas that NHC is
watching or issuing advisories on.

Probabilities:

Severe Thunderstorms in Oklahoma: < 5%
Storm Chase: < 5%
Winter Precip: < 5%

Discussion:

Heights have rise to 592dm across much of Oklahoma with surface
temperatures responding to the upper 90s to 100 across the state. 06z
GFS indicates the ridge will remain over the area all week and may
strengthen by late in the week. The progged pattern is normal for
this time of year and OKC has yet to reach 100F for 2008. It may
happen this week. Eastern Oklahoma southward into Texas will likely
be a few degrees cooler in the mid 90s.

NHC discontinued advisories on Bertha this morning with this system
around for almost three weeks. NHC issued 70 advisories on this
system since early July. NHC is now issuing advisories on Tropical
Storm Christobal. However, this system is not expected to have much
impact on the U.S. as it is already moving northeast and should
continue to do so. Another system of interest is currently in the
Caribbean and moving westward. This system made develop into a
tropical depression today or tomorrow. Special Discussions will
likely be needed. At this point, models tend to agree that the ridge
over Oklahoma will be too strong for this system to go much farther
north than Corpus Christi.

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About Putnam Reiter

Putnam has been storm chasing since 1990 and is a co-founder of Hook-Echo.com. For his day job, Putnam works in emergency management for information technology.
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