Sally expected to be a hurricane at landfall

Hurricane watches and warnings posted for Louisiana and Alabama

The official NHC forecast is for 100 MPH max winds near the eye at landfall on Louisiana coast by Tuesday morning, a Category 2, but impacts begin sooner including parts of Florida. The left-overs of Sally head toward Atlanta as a Tropical Depression by Friday with rain and thunderstorms from the system here by Wednesday into Friday evening.

It is way too soon to get all worked up about any small tornado risk from Sally in our area, the chance needs to be monitored but that is all as it will be a weakening depression in our region.

The timing is uncertain because there is a chance (not currently in the official forecast) that Sally slows down or stalls for a while once on land which would slow and lessen the effects in Atlanta but worsen rain flooding for states to our West.

Remember the strongest winds are only near the center of the storm which is a very small area compared with the total size of the storm, most areas will not get winds nearly as high as the maximum but get winds more like a severe thunderstorm.

Flooding from heavy rain, storm surge inundation and waves is the greatest danger to most areas.

Tropical storm force winds are not expected for Metro Atlanta but the remnants of the system can bring rain, and gusty thunderstorms to our area later in the new work week.

September is the peak month for hurricane strikes:

TIDBITS ON SALLY:

Sally is the 18th named storm of the season and is the earliest 18th Atlantic storm on record, breaking the old record set by Stan on October 2nd, 2005.

Sally is the 5th named storm this month which ties this season with 1988 and 2018 for the most Atlantic named storm formations in the first 12 days of September on record.

Sally will be the 4th hurricane to reach the U.S. mainland this season, the most recent with 4 or more was 2005 with 5.

And... Paulette is the 6th hurricane of this season, since the satellite era 7 other seasons had this many hurricanes by Sept 12th: 1980, 95, 96, 04, 05, 12 and 2017.

For daily weather info Follow me on Twitter @MellishMeterWSB.

Kirk Mellish

Meteorologist

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