The rain is still falling lightly this evening. Though a portion of the W part of the county received ~3”+ (centered on the junction of I-16 and I-95) and this necessitated a FFW, my amount so far hasn’t added to that much…probably ~0.25” so far. That gets me to an amazing ~14.65” MTD with none of that from a TC! But that’s not the end of it!
From KCHS NWS office, a flood watch has been issued for its entire area:
SHORT TERM /FRIDAY THROUGH SUNDAY/
FRIDAY AND SATURDAY: A COLD FRONT IS FORECAST TO STALL OVER THE
AREA FRIDAY MORNING AND LINGER INTO SATURDAY. WAVES OF LOW
PRESSURE SHOULD DEVELOP AND MOVE EAST ALONG THE FRONT AS SPOKES
OF VORTICITY PASS THROUGH ALOFT. THIS COUPLED WITH BUILDING
PWATS OF 2.25-2.50" AND WEAK TO MODERATE LEVELS OF INSTABILITY
WILL SUPPORT NUMEROUS TO WIDESPREAD SHOWERS/TSTMS THROUGH THE
PERIOD.
THE STEERING FLOW WILL WEAKEN WITH TIME WITH MODIFIED
SOUNDINGS SUGGESTING LONG/SKINNY CAPE PROFILES DEVELOPING FRIDAY
AFTERNOON AND LINGERING INTO SATURDAY. THIS WILL SUPPORT
CONVECTION WHERE WARM CLOUD PROCESSES WILL SUPPORT INTENSE
RAINFALL RATES, POSSIBLY >3 IN/HR AT TIMES, GIVEN THE RICH,
TROPICAL MOISTURE PLUME THAT WILL BE IN PLACE. THIS MAY LEAD TO
AREAS OF FLASH FLOODING, ESPECIALLY IN THE CORRIDOR ROUGHLY
SOUTH OF A REIDSVILLE-SPRINGFIELD-WALTERBORO-MONCKS CORNER LINE
WHERE 20CM SOIL MOISTURE VALUES ARE RUNNING IN THE >98TH
PERCENTILE AS OF THE 18 AUGUST ANALYSIS.
GIVEN THE SATURATED SOIL MOISTURE PROFILES IN PLACE AND THE
INTENSE HOURLY RAINFALL RATES THAT ARE POSSIBLE, THE RISK FOR
FLASH FLOODING WILL BE ELEVATED INTO SATURDAY EVENING,
ESPECIALLY IN THE COASTAL CORRIDOR WHERE THE EVENING HIGH TIDES
BOTH FRIDAY AND SATURDAY COULD ENHANCED THE FLOOD THREAT. A
FLOOD WATCH HAS BEEN ISSUED FROM FRIDAY MORNING THROUGH EARLY
SUNDAY EVENING. STORM TOTALS DURING THIS PERIOD WILL RANGE FROM
2-4" WITH ISOLATED AMOUNTS POSSIBLY EXCEEDING 6".