Alert archive / Florida / Heat Advisories in 2026

Heat Advisory 13, NWS Melbourne, FL

August 11, 202610 counties in Florida

NWS Melbourne, FL issued this heat advisory at Aug 11, 2026, 12:13 AM EDT for 10 counties in Florida. It took effect at Aug 11, 2026, 11:00 AM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Aug 11, 2026, 12:13 AM EDT (04:13 UTC)
In effect from
Aug 11, 2026, 11:00 AM EDT
Expired
Aug 11, 2026, 8:00 PM EDT
In force
9 hr
Issued by
NWS Melbourne, FL

Counties Brevard County, FL, Indian River County, FL, Lake County, FL, Martin County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Saint Lucie County, FL, Seminole County, FL, Volusia County, FL

The radar

The Melbourne radar (KMLB), 30 km from the middle of the area, began a volume at 04:15 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Nearby

Heat Advisories in Florida, 2026Every heat advisory in 2026

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.