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US, August 2023

Flooding from Hurricane Idalia

Powered by multisource data analysis leveraging ICEYE satellite imagery ongoing analysis

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Disclaimer: The impact numbers are subject to change as ICEYE continues to analyze the flood and extend the analysis area. Some areas which have been impacted by the flooding may not be represented in this initial data.

Live reporting

September 7, 2023

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Live updates: Hurricane Idalia

Tracking since:

August 28

Area affected:

Southwest Florida

Total flood extent:

880.26 SQ MI(2280 KM2)

Average depth at building level :

0.76 FT (0.2 M)

September 7, 2023

ICEYEs final data release; Flood briefing is available

The conclusive analysis for this event, the fifth and final release, has been completed and delivered to our customers. If you are interested in accessing a part of it, download our flood briefing using the link below.

Based on R4, the current flood extent in Florida is 502.89 sq mi, with an average building-level depth of 0.64 ft. The extent for GA, SC, NC is 377.48 sq mi, and the average depth at building level is 0.87 ft. 
See 2 impacted areas from our R4 analysis we haven't shared before: Treasure Island, Florida, and Ocean Isle Beach, North Carolina.
Access flood briefing →

September 6, 2023

We increased the overall extent of analysis with release 4

Yesterday, we delivered the 4th release (R4) of ICEYE's analysis, which included new and updated flood extent and depth data along the Western Coast of Florida and Eastern Georgia, South Carolina, and North Carolina. Our 5th release (R5) is currently underway, and we aim to deliver it to our customers by the end of the day. 

Based on R4, the current flood extent in Florida is 502.89 sq mi, with an average building-level depth of 0.64 ft. The extent for GA, SC, NC is 377.48 sq mi, and the average depth at building level is 0.87 ft. 
See two impacted areas from our R4 analysis we haven't shared before: Treasure Island, Florida, and Ocean Isle Beach, North Carolina.

 

Before-and-during the flood at Treasure Island, Florida.

Before-and-during the flood at the Ocean Isle Beach, North Carolina.

September 4, 2023

Analysis has been updated; More info on FL, GA, SC, NC

Over the weekend, our team produced and delivered the 2nd and 3rd releases of our flood extent and depth analysis. The updated release contains more information on the impacted areas in Florida, including Steinhatchee, Crystal River, and Homosassa, as well as in Georgia, South Carolina, and North Carolina. Based on our 3rd release, delivered on September 2nd, the total number of affected buildings in FL, GA, SC, and NC is 13,811, with over 440 of them being inundated by more than 5 feet of water.

Before-and-during the flood at Steinhatchee, Florida, US.

Before-and-during the flood at Suwanee, Florida, US.

September 1, 2023

Second release under way

We are working on the second analysis release, which will include new areas along the East Coast of the United States and into Charleston and Myrtle Beach, South Carolina as well as Oak Island & and Jacksonville areas, North Carolina. We aim to deliver it to our customers within the next few hours. 

August 31, 2023

Our first analysis release on Hurricane Idalia is available

Hurricane Idalia has weakened to a tropical storm over North Carolina, with heavy rainfall expected to persist for another 12 hours. The storm is set to move offshore by midnight UTC. Reports indicate 4-7 inches of rain across Idalia's path, with significant coastal flooding on the east coast in the last 24 hours.

Our flood extent and depth analysis is ongoing, with completion aimed at 12:00 UTC today. The first version of our building-level data delivery will be sent to our customers shortly after that, focusing on the below areas across Florida's west coast.

image (47)-1

Initial data from South Carolina is now coming in, with more anticipated soon.

August 30, 2023

Hurricane Idalia made landfall in Florida

Hurricane Idalia has made landfall in Florida. We've already observed its initial impacts on the coastal areas and continue monitoring the area with our cloud-penetrating SAR satellites. We expect to deliver our 1st flood extent & depth analysis in 24-48 hours.

August 29, 2023

Hurricane Idalia is about to make landfall tomorrow

Major Hurricane Idalia has made landfall in Florida. We've already observed its initial impacts on the coastal areas and continue monitoring the area with our cloud-penetrating SAR satellites. We expect to deliver our 1st flood extent & depth analysis in 24-48 hours.As it looks now, storm surge impacts are anticipated to be severe (up to 12ft) in the Tampa Bay and Big Bend regions.

2023-08-29 13_48_28- Flood Early Warning Viewer

This graphic illustrates our anticipation for impacted watersheds from rainfall flooding in the panhandle, the darker blue is indicative of more severe flooding. We are anticipating both riverine and street (flash flood style) flooding as a result of this event.

Storm Surge Forecast

This is the National Hurricane Center's (NHC) storm surge forecast, valid from 4 a.m. CDT, August 29. As always, forecasts are updated rapidly in the final hours before a Hurricane, so this expectation is subject to change.

We've started the event monitoring utilizing the capabilities of SAR satellite constellation and our auxiliary data sources.

August 29, 2023

Hurricane Idalia is approaching Florida's Big Bend region

As Hurricane Idalia is expected to make landfall in Florida's Big Bend region tomorrow, state-level preparations are ongoing. A life-threatening storm surge is expected along much of Florida's west coast, and heavy rain will spread inland across several states. Our monitoring is ongoing, make sure to revisit this page for more updates. 

August 28, 2023

Flood early warning alert in Florida

During the weekend, a tropical storm formed in the Gulf of Mexico and continues to develop as it moves northwards. There's a high risk for hurricane-strength impacts on Florida & and other states in the Southeast USA by late Tuesday. Our Flood Monitoring team is closely watching this event.

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