Summary:
Tropical Storm Debby will continue to unleash excessive rainfall, dangerous rip currents, storm surge and a few tornadoes across portions of the Southeast the next several days. Complex of thunderstorms, some severe with excessive rainfall will track across the Great Lakes, Ohio Valley into portions of the Mid-Atlantic today. Meanwhile, dangerous heat and wildfire concerns continue for the West. Impacted Lanes: I-75, I-95, I-10, I-16, I-520, I-20, I-26, I-77, I-40, I-94, I-96, I-84
South Carolina
Tropical Storm Warning remains in effect until further notice
- Wind: 20-30 mph with gusts to 40 mph with potential for wind gusts 58 to 73 mph
- Impacts: Several large trees snapped or uprooted, but with greater numbers in places where trees are shallow rooted. Some roads impassable from large debris, and more within urban or heavily wooded places. A few bridges and access routes impassable. Travel by vehicle or on foot increasingly difficult. Danger of death or injury from falling objects such as trees or electric wires outside. Scattered power and communications outages, but more prevalent in areas with above ground lines, which could persist for hours or days.
- Storm Surge: Life-threatening storm surge possible. The potential for 2-4 feet above ground somewhere within surge prone areas.
- Impacts: Areas of inundation of saltwater along immediate shorelines and in low-lying spots farther inland near rivers and creeks, with storm surge flooding accentuated by waves. Damage to several buildings, mainly near the coast. Sections of near-shore escape routes and roads become weakened or washed out, especially in normally vulnerable low spots.
- Flooding Rain: 6-10 inches, with locally higher amounts
- Impacts: Extreme rainfall flooding could prompt widespread rescues. As event unfolds, rescues could become impossible. Rivers and tributaries could overwhelmingly overflow their banks in many places with deep moving water. Small streams, creeks, canals, and ditches may become raging rivers with strong currents. Flood control systems and barriers could become stressed or overwhelmed. Flood waters will enter many structures within multiple communities, some structures becoming uninhabitable or washed away. Flood waters could render escape routes impassable. Streets and parking lots become rivers of raging water with underpasses submerged. Driving conditions become impossible and life threatening. Widespread road and bridge closures with most weakened or washed out.
Flash Flood Warning remains in effect until 12:15 PM EDT this afternoon
- Flash flooding caused by heavy rain.
- Impacts: Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.
Flood Watch remains in effect until 8 AM EDT Friday morning
- Flash flooding caused by excessive rainfall continues to be possible.
- Impacts: Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. Extensive street flooding and flooding of creeks and rivers are possible.
Flood Warning remains in effect until 8 PM EDT Thursday evening
- Flooding caused by excessive rainfall is expected.
- Impacts: Flooding of rivers, creeks, streams, roadways, and other low-lying and flood-prone locations is imminent or occurring.
Florida
Flood Warning remains in effect until further notice
- Major flooding is forecast.
- Impacts: Flooding of rivers, creeks, streams, roadways, and other low-lying and flood-prone locations is imminent or occurring.
Wind Advisory remains in effect until 8 PM EDT this evening
- West winds 15 to 25 mph with gusts up to near 40 mph.
- Impacts: Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Winds this strong can make driving difficult, especially for high profile vehicles.
Flood Watch remains in effect until 8 PM EDT this evening
- Flash flooding caused by excessive rainfall continues to be possible.
- Impacts: Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Extensive street flooding and flooding of creeks and rivers are possible.
Flood Advisory remains in effect until 11 AM EDT this morning
- Flooding caused by excessive rainfall continues.
- Impacts: Water over roadways. Overflowing poor drainage areas.
Coastal Flood Advisory remains in effect until 8 PM EDT this evening
- Minor coastal flooding.
- Impacts: Flooding of lots, parks, and roads with only isolated road closures expected.
Arizona
Blowing Dust Advisory remains in effect until 8 PM MST this evening
- Visibility between one-quarter and one mile in blowing dust expected.
- Impacts: Hazardous driving conditions due to reduced visibility.
Additional Tropical Storm Warnings include but are not limited to: Georgia, North Carolina
Additional Flash Flood Warnings include but are not limited to: Georgia
Additional Flood Warnings include but are not limited to: Texas, Louisiana, Georgia, North Carolina
Additional Flood Advisories include but are not limited to: Georgia
Additional Flood Watches include but are not limited to: Georgia, North Carolina, Maryland, Pennsylvania, Delaware, New Jersey, New York, Connecticut, and Rhode Island
Additional Wind Advisories include but are not limited to: Georgia
Additional Blowing Dust Advisories include but are not limited to: California
