WPC EXCESSIVE RAINFALL OUTLOOKS
Day 1–3 Excessive Rainfall Outlook
REFERENCE
ERO Risk Categories
MRGL
Marginal (5%)
Isolated flash flooding possible.
SLGT
Slight (15%)
Scattered flash flooding likely.
MDT
Moderate (40%)
Numerous flash flooding events expected.
HIGH
High (70%)
Widespread, life-threatening flash flooding.
ACTIVE FLOOD ALERTS — SOUTH CAROLINA
NWS Flood Warnings & Watches
MESOSCALE PRECIPITATION DISCUSSIONS
WPC Precip Discussions
Mesoscale precipitation discussions are issued by the WPC when heavy rainfall is imminent or ongoing. Items highlighted in blue may affect South Carolina.
ERO data from the NOAA Weather Prediction Center.