Flash Flooding Hits Charleston Streets as Heavy Rain Continues
Flash Flooding Strikes Charleston, South Carolina
Flash flooding is occurring in Charleston, South Carolina, where trained spotters reported 3 to 4 inches of water over roadways after 2 to 4 inches of rain fell, with additional heavy rain expected. [1] A Flash Flood Warning is in effect for Charleston County until 4:15 PM EDT. [3] Thunderstorms are producing rainfall rates of 2 to 3 inches per hour, with 1 to 2 inches of additional rain possible. [1] The National Weather Service in Charleston issued the Flash Flood Warning for Charleston County in southeastern South Carolina. [3] At 1:17 PM EDT, trained storm spotter reports indicated heavy rainfall producing flash flooding in Old Village, with 3 to 4 inches of water moving over the roadways. [3] Between 2 and 3 inches of rain have fallen according to one report, while another noted between 2 and 4 inches. [3] The expected rainfall rate is 2 to 3 inches in 1 hour. [3] Additional rainfall amounts of 1 to 2 inches are possible in the warned area. [3] Flash flooding is already occurring as thunderstorms continue to produce heavy rain. [1] The warning remains active with the potential for continued impacts from the ongoing storms. [3]
Hazards and Impacts in Charleston County
The hazard includes life threatening flash flooding from thunderstorms producing flash flooding. [1] Trained weather spotters reported thunderstorms producing heavy rain, with flash flooding occurring in Old Village. [1] Water measuring 3 to 4 inches is moving over the roadways in that location. [1] Between 2 and 4 inches of rain have already fallen in the area. [1] The expected rainfall rate reaches 2 to 3 inches in 1 hour. [1] Additional rainfall amounts of 1 to 2 inches remain possible in the warned area. [1] The Flash Flood Warning covers Charleston County until 4:15 PM EDT. [3] At 1:17 PM EDT, reports confirmed heavy rainfall producing flash flooding in Old Village with 3 to 4 inches of water over roadways. [3] Between 2 and 3 inches of rain had fallen at that time according to spotter observations. [3] Thunderstorms driving these conditions continue to generate rainfall at rates of 2 to 3 inches per hour. [3] The combination of already fallen rain and expected additional amounts heightens the risk of further roadway inundation. [1]
Severe Thunderstorm in North Dakota Ends
A separate Severe Thunderstorm Warning was issued for Pembina, North Dakota, for a storm producing 60 mph winds and quarter-size hail before it weakened and the warning expired. [2] At 11:50 AM CDT, a severe thunderstorm was located over Bathgate, or 31 miles north of Grafton, moving southeast at 50 mph. [5] The hazard included 60 mph wind gusts and quarter size hail. [5] Radar indicated the source of the threat. [5] Impacts included expected hail damage to vehicles along with wind damage to roofs, siding, and trees. [5] Locations impacted included Cavalier, Pembina, Neche, Hamilton, Bathgate, Backoo, and Joliette. [5] This covered Interstate 29 between mile markers 193 and 217. [5] The storm which prompted the warning has weakened below severe limits and has exited the warned area. [2] Therefore the warning was allowed to expire. [2]
Red Flag Warning Issued for Idaho Fire Weather
A Red Flag Warning for gusty winds and low humidity is in effect until 9 PM MDT Monday in the East Salmon River Mountains and Salmon National Forest in Idaho due to fire weather concerns. [4] Increasing wind over the Salmon-Challis area is expected on Monday. [4] High pressure over central Idaho will continue, but wind aloft will increase over this area and bring stronger wind to locations that already have low afternoon and early evening humidity. [4] The wind is not expected to last into Tuesday. [4] The National Weather Service in Pocatello has issued the Red Flag Warning for gusty winds and low relative humidity, which is in effect from noon to 9 PM MDT Monday. [4] The affected area covers Fire Weather Zone 475. [4] These conditions raise fire weather concerns across the East Salmon River Mountains and Salmon National Forest. [4]
Broader Severe Weather Context
Multiple active or recent National Weather Service alerts span different U.S. regions as part of ongoing severe weather activity. [1] A Flash Flood Warning remains in effect for Charleston County until 4:15 PM EDT with life threatening flash flooding reported. [3] Thunderstorms continue producing rainfall rates of 2 to 3 inches per hour and additional amounts of 1 to 2 inches possible. [1] In North Dakota, the Severe Thunderstorm Warning for Pembina County that included 60 mph winds and quarter-size hail has expired after the storm weakened. [2] The storm had been located over Bathgate moving southeast at 50 mph before exiting the area. [5] In Idaho, the Red Flag Warning covers the East Salmon River Mountains and Salmon National Forest from noon to 9 PM MDT Monday due to increasing winds and low humidity under a high pressure system. [4] These alerts reflect distinct hazards including flooding, thunderstorm winds and hail, and fire weather conditions across separate states. [1] [2] [4]
What to watch next: Continued monitoring of the Flash Flood Warning in Charleston County until 4:15 PM EDT as additional rain of 1 to 2 inches remains possible, along with the Red Flag Warning in Idaho through 9 PM MDT Monday.
