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South Carolina State Climatology Office
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WEEKLY SOUTH CAROLINA WEATHER 2017

October 30, 2017 - November 5, 2017

WEATHER SUMMARY:

The week began clear and cold under a ridge of high pressure. On Monday, numerous sites observed morning temperatures at or below freezing. CoCoRaHS observers in Gaffney, Sumter, and Cope reported light frost. Sassafras Mountain recorded a low temperature of 25.7 degrees. The National Weather Service Office in Greer recorded a low temperature of 31 degrees. The morning low temperature at the Columbia Metro Airport was 33 degrees and the Charleston Air Force Base recorded a morning low of 34 degrees. Those sites in Columbia and Charleston warmed to only 66 and 62 degrees respectively on Monday.

Tuesday morning, the Cedar Creek COOP site had a morning low temperature of 28 degrees. A weak, cold frontal boundary approached from the west Tuesday and stalled at the SC-NC border. This synoptic feature did not produce any rain, but helped shift the winds to a more southwesterly direction tapping in to a warmer air mass. The Orangeburg 2 COOP site reported a high temperature of 80 degrees on Tuesday.

High pressure dominated the remaining week's weather through Friday. The Jocassee COOP site reported a morning low temperature of 44 degrees on Friday and Saturday. Clear conditions and southwest winds contributed to anomously warm afternoon high temperatures in the 80s. The Orangeburg 2 COOP site observed a high temperature of 86 degrees on Friday. Scattered rainshowers developed late Friday due to diurnal heating. Caesars Head reported a rainfall amount of 0.96 inches during a 24-hour period ending Saturday morning. A weak frontal boundary over the state during weekend produced scattered reports of drizzle and light rain. Drizzle and light rain persisted from Saturday evening into Sunday morning. On Sunday, many sites reported overcast skies, light easterly winds, and patchy fog that eventually cleared out by Sunday afternoon.

(Note: The highest and lowest official temperatures and highest precipitation totals provided below are based on observations from the National Weather Service Cooperative Observer network and the National Weather Service's Forecast Offices.)
The highest official temperature reported was 88 degrees at the Cheraw 2 COOP site on November 3.
The lowest official temperature reported was 25.7 degrees on Sassafras Mountain on October 30.
The heaviest official 24-hour rainfall reported was 0.96 inches at Caesars Head during the period ending on November 4.
The state average rainfall for the seven-day period was 0.0 inches.

PRECIPITATION:

  Weekly* Since Jan 1 Departure
Anderson Airport 0.00 48.22 11.1
Greer Airport 0.01 49.48 9.6
Charlotte, NC Airport 0.00 41.63 5.9
Columbia Metro Airport 0.02 42.89 3.8
Orangeburg Airport 0.00 34.97 -5.9
Augusta, GA Airport 0.09 39.58 1.8
Florence Airport 0.00 37.27 -0.4
North Myrtle Beach Airport 0.00 44.16 -1.9
Charleston Air Force Base 0.00 48.76 2.9
Savannah, GA Airport 0.00 49.60 6.6
*Weekly rainfall totals ending midnight Sunday.                    

SOIL TEMPERATURES:

4-inch depth soil temperature: Clinton 64 degrees. Columbia 68 degrees. Barnwell 60 degrees. Mullins 60 degrees

RIVER STAGES:


Upstate river stages were below normal to normal.
Midlands and Pee Dee river stage were below normal to normal.
Lowcountry river stages were normal.

COASTAL OCEAN TEMPERATURES:


Charleston Harbor water temperature: 70 degrees.
Capers Nearshore Buoy (Station 41029): 69 degrees.

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