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The dog days of August bring to Alabama not just uncomfortable warmth but also the return of hurricane season.

While data indigenous the nationwide Weather Service"s national Hurricane center (NHC) reflects that hurricanes and also tropical storms execute (rarely) pop up as early as the an initial of might to as late together Christmas, the annual build-up starts just prior to Aug. 1 and also peaks on Sept. 10. The NHC graph the storms (left) mirrors that many years there will certainly be at the very least one hurricane or tropical storm current at the peak.

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At the minute we are watching dry storm Emily (http://www.nhc.noaa.gov/) rumble around in the western Atlantic, posing some risk to shipping and people along the coast from Florida to Virginia.

We mental hurricane Katrina and many of us remember hurricane Ivan, but how frequently is our gulf coast likely to it is in hit by a hurricane? The NHC looks at the in terms of "return periods," special, on typical how numerous years there are between hurricanes of various strengths hitting within 75 nautical mile (86 state miles) of various spots follow me the coast.

According to that data, Mobile and Gulf Shores/Orange Beach have the right to expect a category one hurricane (such together hurricane Danny) slightly an ext than when every decade, and also a category two (like hurricane Georges) every 17 come 21 years.

Fortunately, much more powerful hurricanes are also less common. ~ above average, a category three hurricane (such together hurricanes Frederic and also Ivan) would be intended to come ashore in Alabama every 28 year in Gulf Shores and also once every 33 years in Mobile. That drops come every 54 and 62 year for group four storms (like hurricane Dennis) and once every 130 come 140 years because that a powerful category 5 hurricane, such as hurricanes Camille and Katrina (although Katrina dropped come a solid category 3 shortly prior to coming ashore).

Unfortunately, together we easily remember from hurricane Katrina, the most powerful storms carry out not need to be in ~ 86 statute miles to do tremendous damages as they go ashore.

Even tropical storms and weak hurricanes can reason flooding and strong storms as they move inland. Through seven areas between brand-new Orleans and also Apalachicola that room hit by group one hurricanes when every 7 to ten years, we have the right to expect Alabama to feel the wash from at the very least one tropical cyclone virtually every year.

(The massive high pressure "dome" focused over Texas and Oklahoma has currently deflected one hurricane that might otherwise have gone ashore along the Texas coast. It will certainly be interesting to check out whether other tropical storm systems are steered or driven onto paths approximately the dome, especially due to the fact that we are about the eastern edge of that high push system.)

Alabama"s lawn and also garden water anxiety index has virtually inverted itself because May, as soon as South Alabama was extremely dry however North Alabama was obtaining adequate rain.

Some parts of phibìc Alabama observed very little rain in July: Decatur had actually less than 3 quarters of an inch for the whole month, while Courtland, Muscle Shoals and Russellville all had actually less than 2 inches.

By contrast, Fairhope had much more than 9.5 inch of rain in July. Mobile had nearly nine inches, Thomasville 8.77 inches and Birmingham an even eight inches.

While rain did return to South Alabama in July, it was for the most part too late to save numerous unirrigated crops burned and stunted by heat and also drought in May and June.

Alabama Tornado Fatalities
North Alabama Seasonal Snowfall through the numbers
audioeditorfree.com, NASA research teams get a detailed view of winter storm read write-up -->
October, 2010 (pdf)
November, 2010 (pdf)
December, 2010 (pdf)
January, 2011 (pdf)
February, 2011 (pdf)
March, 2011 (pdf)
April, 2011 (pdf)
May, 2011
June, 2011
Alabama Monthly Climate Summaries
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CoCoRAHS ar Collaborative Rain, Hail & eye Network
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New everyday Local Climate Records
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John R. Christy Alabama State Climatologist college of Alabama in Huntsville john.christy

* all maps space clickable for this reason you deserve to view larger, much more detailed images.

See more: How Long Do You Thaw A Turkey In The Refrigerator, How To Thaw A Frozen Turkey (And How Not To)

- john Christy

Lawn - and - Garden moisture Index

The lawn-and-garden humidity index procedures the volume of existing soil moisture to sustain healthy and balanced lawns and also gardens. The index is computed by estimating exactly how much precipitation in the past three weeks contributes to current soil moisture. The rainfall is compared to a “standard” lot of rainfall thought about to be sufficient for that time the year come sustain healthy and balanced lawns and gardens. The difference is the lawn-and-garden humidity index. because that the latest upgrade on this product, view here.