A large outflow boundary from strong thunderstorms moved north across the Florida Straits the morning of October 22, 2008. The east end of the boundary became nearly stationary across Key West, causing new thunderstorms to develop and train over the island.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS KEY wrote it up.
A large outflow boundary from strong thunderstorms moved north across the Florida Straits the morning of October 22, 2008. The east end of the boundary became nearly stationary across Key West, causing new thunderstorms to develop and train over the island. Extensive street flooding occurred in Key West due to heavy rainfall.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Key West, FL wrote its last area forecast discussion before the first event at Oct 22, 9:00 AM EST, 0 minutes earlier.
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</html>HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE KEY WEST FL 930 AM EDT WED OCT 22 2008 FLZ076>078-GMZ031>033-052>054-072>075-231000- MONROE UPPER KEYS-MONROE MIDDLE KEYS-MONROE LOWER KEYS- FLORIDA BAY-GULF SIDE OF THE LOWER KEYS OUT 20 NM- GULF WATERS FROM EAST CAPE SABLE TO CHOKOLOSKEE 20 TO 60 NM OUT- OCEAN REEF TO CRAIG KEY OUT 20 NM- CRAIG KEY TO THE WEST END OF THE 7 MILE BRIDGE OUT 20 NM- WEST END OF THE 7 MILE BRIDGE TO KEY WEST OUT 20 NM- OCEAN REEF TO CRAIG KEY 20 TO 60 NM OUT- CRAIG KEY TO THE WEST END OF THE 7 MILE BRIDGE 20 TO 60 NM OUT- WEST END OF THE 7 MILE BRIDGE TO KEY WEST 20 TO 60 NM OUT- KEY WEST TO 20 NM WEST OF DRY TORTUGAS OUT 60 NM- 930 AM EDT WED OCT 22 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE FLORIDA KEYS AND ADJACENT COASTAL WATERS. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED. THE PRIMARY HAZARDS INCLUDE HEAVY RAIN...WITH ISOLATED RAINFALL TOTALS IN EXCESS OF TWO INCHES...AND DANGEROUS LIGHTNING STRIKES. IN ADDITION...A FEW WATERSPOUTS WILL BE POSSIBLE IN THE ADJACENT COASTAL WATERS. SMALL CRAFT SHOULD EXERCISE CAUTION ACROSS THE ATLANTIC WATERS ADJOINING THE KEYS. EAST WINDS BETWEEN 15 AND 20 KNOTS ARE EXPECTED ACROSS THE ATLANTIC WATERS WITH SEAS OF 4 TO 6 FEET. SEAS WILL BE HIGHER IN THE GULFSTREAM. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SMALL CRAFT SHOULD CONTINUE TO EXERCISE CAUTION ACROSS THE ATLANTIC WATERS THROUGH THURSDAY. WINDS WILL SLACKEN AND VEER FRIDAY THROUGH SATURDAY. A COLD FRONT WILL ARRIVE LATE SATURDAY NIGHT. WINDS WILL INCREASE AND SEAS WILL BUILD AGAIN BEHIND THE COLD FRONT. ISOLATED TO SCATTERED THUNDERSTORMS ARE POSSIBLE FROM THURSDAY THROUGH SATURDAY. THE PRIMARY HAZARD WILL BE CLOUD TO SURFACE LIGHTNING STRIKES. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. FUTTERMAN/JR
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</html>The national radar mosaic for the moment the first event began.
2 heavy rain. Local standard time, as filed.
Rainfall of 2.70 inches was measured at Key West International Airport in less than two hours.
Heavy rain caused street flooding one foot deep at Bertha and Dennis Streets on the southside of Key West. The street was impassable to small cars and scooters.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2008Every state in 2008This day in weather historyWarnings in Florida, October 2008
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-30. Each event’s entry at NCEI: 139119, 139120.