Stacked  troughing moved across the area during the afternoon when instability was high as the sea breezes fronts began to progress inland. Numerous severe storms developed with hail the main convective hazard due to cold 500 mb temps in the -10 to -12 degree Celsius range and large CAPE and adequate shear in the hail growth zone. Gusty winds occurred, but they were mostly associated with collapsing storms. Low level 850 mb winds were only 20 knots.

Hail in ST. JOHNS, FLORIDA
From 27-MAY-11 14:45:00 to 27-MAY-11 14:45:00 (EST-5)
Location: BYRD
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail was reported near Cracker Swamp Road.

Hail in DUVAL, FLORIDA
From 27-MAY-11 15:00:00 to 27-MAY-11 15:00:00 (EST-5)
Location: ENGLEWOOD
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Nickel size hail was reported near the Highlands.

Hail in DUVAL, FLORIDA
From 27-MAY-11 15:11:00 to 27-MAY-11 15:11:00 (EST-5)
Location: ENGLEWOOD
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Golf ball size hail was reported at Interstate 295 and Dunn Avenue.

Hail in ST. JOHNS, FLORIDA
From 27-MAY-11 15:30:00 to 27-MAY-11 15:30:00 (EST-5)
Location: BAKERSVILLE
Magnitude: 1.50 
Reported by: Public

Near golf ball size hail was reported at Palms Plus. No damage was reported.

Hail in CLAY, FLORIDA
From 27-MAY-11 15:40:00 to 27-MAY-11 15:40:00 (EST-5)
Location: GREEN COVE SPGS
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Golf ball size hail was reported in Green Cove Springs.

Thunderstorm Wind in CLAY, FLORIDA
From 27-MAY-11 15:20:00 to 27-MAY-11 15:20:00 (EST-5)
Location: WALKILL
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Trees were blown down south of Green Cove Springs.

Hail in ST. JOHNS, FLORIDA
From 27-MAY-11 15:45:00 to 27-MAY-11 15:45:00 (EST-5)
Location: DURBIN
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail was reported at the Palm Valley Golf Club.

Thunderstorm Wind in DUVAL, FLORIDA
From 27-MAY-11 16:15:00 to 27-MAY-11 16:15:00 (EST-5)
Location: PLUMMERS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large tree was blown down blocking Scott Mill Road in Mandarin. The time was based on radar.

Thunderstorm Wind in PUTNAM, FLORIDA
From 27-MAY-11 14:35:00 to 27-MAY-11 14:35:00 (EST-5)
Location: EAST PALATKA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down in East Palatka. The time was based on radar.

Thunderstorm Wind in PUTNAM, FLORIDA
From 27-MAY-11 14:10:00 to 27-MAY-11 14:10:00 (EST-5)
Location: SATSUMA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Trees were blown down in Satsuma. The time was based on radar.

Hail in DUVAL, FLORIDA
From 27-MAY-11 15:17:00 to 27-MAY-11 15:17:00 (EST-5)
Location: GARDEN CITY
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Golf ball size hail reports were relayed from the intersection of Dunn Ave. and Lem Turner Blvd.

Hail in DUVAL, FLORIDA
From 27-MAY-11 15:15:00 to 27-MAY-11 15:15:00 (EST-5)
Location: GARDEN CITY
Magnitude: 1.00 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Quarter size hail was reported from the intersection of Dunn Ave. and Interstate 295.

Hail in ST. JOHNS, FLORIDA
From 27-MAY-11 15:05:00 to 27-MAY-11 15:05:00 (EST-5)
Location: BAKERSVILLE
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Penny size hail was observed in Bakersville.

Funnel Cloud in ST. JOHNS, FLORIDA
From 27-MAY-11 15:15:00 to 27-MAY-11 15:15:00 (EST-5)
Location: COLLEGE PARK
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

A funnel cloud was observed on Whitney Street.