A sea breeze induced storm produced minor wind damage.
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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 JAX wrote it up.
A sea breeze induced storm produced minor wind damage.
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 Jacksonville, FL wrote its last area forecast discussion before the first event at Jun 10, 1:26 PM EST, 1 hour 19 minutes earlier.
Area Forecast Discussion National Weather Service Jacksonville FL 226 PM EDT Wed Jun 10 2020 .NEAR TERM [Through Tonight]... Scattered showers and thunderstorms are building throughout the forecast area this afternoon and evening, with the strongest initial developments occuring near and south of the I-10 corridor and then building northward into southeastern Georgia in the evening hours, dispersing overnight and into tomorrow morning. Widespread fog developments are not expected for Thursday morning.Overnight low temperatures will be in the lower 70s for inland areas and in the lower to mid 70s for coastal areas and along the St Johns River. .SHORT TERM [Thursday Through Friday Night]... The wet weather pattern will continue on into the end of the week as a stalling frontal boundary from out of the west and northwest settles over southeast Georgia with diurnal storm developments building ahead of the front and along the sea breeze boundaries. Storms on Friday are expected to be more widespread with the established frontal boundary serving as the primary mechanism for developing convection. High temperatures for the end of the week will drop off from out of the lower 90s on Thursday down into the upper 80s on Friday as showers and cloud cover becomes more widespread. Overnight low temperatures will be in the upper 60s and lower 70s. Heat index "feels like" temperatures on Thursday are expected to exceed 100 degrees for much of northeastern Florida and northeastern Georgia, with the heat index dropping into the lower to mid 90s by Friday. .LONG TERM [Saturday Through Wednesday]... The upper level trough situated over the eastern US will start to develop southward over the course of the weekend, with the influence of the frontal boundary to the west and northwest beginning to erode by the beginning of next week. The diurnal convection pattern is expected to continue through this period as low pressure and instability continue to influence the region. Temperatures during this period are expected to be slightly below the seasonal average due to the prevalence of daytime cloud cover, showers, and storms. && .AVIATION... [Through 18Z Thursday] Isolated to scattered thunderstorms this afternoon, with the highest chances near GNV and JAX/CRG/VQQ between 21-24Z. Winds this afternoon will be from the southeast at around 5-10 kts along the east coast, west at 5-10 kts near GNV, going calm overnight. On Thurs, winds will be from the south and lighter, especially near GNV. With upper level cigs increasing ahead of a frontal system, the setup for fog early Thurs isn't as favorable, however with light and variable winds in place, shallow fog may set up in spots that get some rain this afternoon. Thunderstorms possible again late Thurs morning/early afternoon across the area. && .MARINE... A light southerly flow over the waters will become east to southeast Friday through Sunday as the Atlantic surface ridge axis gradually lifts to the north. Winds and seas will remain below Caution levels through the weekend. && .HYDROLOGY... Minor flooding will continue for sites along the St. Mary's River through into Friday morning. Portions of the Suwannee and Santa Fe rivers are forecasted to reach minor flood levels over the course of the next few days. && .PRELIMINARY POINT TEMPS/POPS... AMG 72 91 72 84 69 / 20 70 60 70 40 SSI 75 87 76 83 74 / 20 50 40 50 40 JAX 74 92 73 86 71 / 20 60 30 40 30 SGJ 74 87 72 86 72 / 20 40 20 30 30 GNV 72 91 71 87 70 / 40 60 30 50 30 OCF 72 91 71 89 71 / 40 70 30 40 30 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...None. GA...None. AM...None. &&
Special Weather Statement National Weather Service Jacksonville FL 252 PM EDT Wed Jun 10 2020 FLZ025-033-125-133-101915- Coastal St. Johns FL-Inland Duval FL-Coastal Duval FL- Inland St. Johns FL- 252 PM EDT Wed Jun 10 2020 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN ST. JOHNS AND SOUTHEASTERN DUVAL COUNTIES UNTIL 315 PM EDT... * At 251 PM EDT, National Weather Service meteorologists were tracking a strong thunderstorm over Fruit Cove, moving east at 10 mph. * Winds in excess of 45 mph and excessive cloud-to-ground lightning possible with this storm. * Locations impacted include... Fruit Cove, Durbin and Bayard. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is occurring with this storm, and may lead to localized flooding. Do not drive your vehicle through flooded roadways. To report severe weather, contact your nearest law enforcement agency. You can also share your report with NWS Jacksonville on Facebook and Twitter. && LAT...LON 3003 8164 3012 8164 3017 8146 3001 8145 TIME...MOT...LOC 1851Z 269DEG 9KT 3008 8158 NELSON
Special Weather Statement
National Weather Service Jacksonville FL
312 PM EDT Wed Jun 10 2020
FLZ033-133-102000-
Coastal St. Johns FL-Inland St. Johns FL-
312 PM EDT Wed Jun 10 2020
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL ST. JOHNS COUNTY UNTIL
400 PM EDT...
* At 312 PM EDT, National Weather Service meteorologists were
tracking a strong thunderstorm near World Golf Village, or 7 miles
southeast of Fruit Cove, moving southeast at 10 mph.
* Winds in excess of 45 mph and excessive cloud-to-ground lightning
possible with this storm.
* Locations impacted include...
World Golf Village, Picolata and Bakersville.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is occurring with this storm, and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
To report severe weather, contact your nearest law enforcement
agency. You can also share your report with NWS Jacksonville on
Facebook and Twitter.
&&
LAT...LON 2995 8133 2985 8159 2993 8160 2996 8160
2997 8161 3005 8162 3011 8150 3010 8148
TIME...MOT...LOC 1912Z 307DEG 10KT 3002 8152
NELSONThe Jacksonville radar (KJAX), 119 km away, was scanning. The volume nearest the first event began at 19:43 UTC.
1 thunderstorm wind. Local standard time, as filed.
Power lines were blown down near Mahogany Blvd and Evergreen Ave. Some power outages occurred. The cost of damage was unknown but it was estimated for inclusion of the event in Storm Data.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2020Every state in 2020This day in weather historyWarnings in Florida, June 2020
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 2026-09-24. Each event’s entry at NCEI: 894218.