Potentially the greatest flood event in South Carolina history continues. It all started off when a frontal zone stalled just off the East Coast in which a system formed coast bringing an initial drenching to the Carolinas up into the Mid-Atlantic but as Hurricane Joaquin intensified and drifted SW over the Bahamas, the interaction between an unusually strong upper low spinning over Georgia and powerful upper ridge expanding from Canada/Northeast US out over the Atlantic did the truly rare setup and fire hose connection between Carolinas and Joaquin occur.
This upper setup caused the rich moisture plume to get stuck over particularly South Carolina and even as the hurricane weakens and lifts north, so that Carolina to Joaquin connection incredibly remains. A rich tropical moisture plume stuck over a given region for 5 days usually means a history making event. As is often the case, it takes a unique setup to produce a unique event.
Myrtle Beach, SC
Credit: Derrick Hall
Kingstree, SC
Credit: Ray Poston
Gooseneck, SC
Credit: missy @alwayzbyourself
Columbia, SC
Credit: News 19 WLTX
Water rescues in Columbia, SC
Credit: News 19 WLTX
Credit: News 19 WLTX
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON SC
950 AM EDT SUN OCT 4 2015
…SEVERAL RAINFALL RECORDS SET AT CHARLESTON INTERNATIONAL
AIRPORT AND DOWNTOWN CHARLESTON…
CHARLESTON AIRPORT RAINFALL RECORDS
GREATEST 1-DAY RAINFALL…..11.50 INCHES SET ON OCTOBER 3 2015
OLD 1-DAY RAINFALL RECORD…10.52 INCHES SET ON SEPTEMBER 21 1998
GREATEST 2-DAY RAINFALL…..13.11 INCHES SET ON OCTOBER 2-3 2015
OLD 2-DAY RAINFALL RECORD…11.10 INCHES SET ON JUNE 10-11 1973
GREATEST 3-DAY RAINFALL…..14.48 INCHES SET ON OCTOBER 1-3 2015
OLD 3-DAY RAINFALL RECORD…11.95 INCHES SET ON JUNE 9-11 1973
GREATEST MONTHLY OCTOBER RAINFALL..16.61 INCHES THROUGH 9 AM TODAY
OLD MONTHLY OCTOBER RAINFALL…….12.11 INCHES SET IN 1994
DOWNTOWN CHARLESTON RAINFALL RECORD
GREATEST 3-DAY RAINFALL…..13.80 INCHES SET ON OCTOBER 1-3 2015
OLD 3-DAY RAINFALL RECORD…12.39 INCHES SET ON JUNE 9-11 1973
GREATEST MONTHLY OCTOBER RAINFALL..14.25 INCHES THROUGH 430 AM TODAY
OLD MONTHLY OCTOBER RAINFALL…….11.74 INCHES SET IN 1959
Credit: WeatherMatrix
As well as the flood disaster over the Carolinas, strong easterly winds, battering waves is causing not just coastal flooding and beach erosion but a storm surge also.
Check out the large pressure gradient between Northeast and Southeast.
Gales for parts of the Mid-Atlantic.
AccuWeather
This is the scene along the Jersey Shore this afternoon.
Credit: Hal Needham
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The Joaquin-Carolinas connection remains through tonight into tomorrow but as Joaquin pulls away and detaches, a system forms over Charleston and looks likely to continue bringing heavy rain through the rest of tomorrow into Tuesday before we finally see wet weather pulling out. This ain’t done and when all’s said and done, I think we’ll see some spots with 25-30 inches over a 6 day period.
Credit: AccuWeather Pro
Credit: AccuWeather Pro
Credit: AccuWeather Pro
No video today.
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