Coastal shower produced a funnel cloud as it was moving onshore north of Jacksonville Beach.
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The episode as NWS JAX wrote it up.
Coastal shower produced a funnel cloud as it was moving onshore north of Jacksonville Beach.
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 Sep 11, 2:28 AM EST, 4 hours 50 minutes earlier.
Area Forecast Discussion National Weather Service Jacksonville FL 328 AM EDT Wed Sep 11 2019 ...BREEZY WITH COASTAL SHOWERS MOVING ONSHORE TODAY... ...WET WEEKEND FOR MUCH OF NE FL... .NEAR TERM...TODAY & TONIGHT... Breezy onshore flow today between a wedge of surface high pressure across SE GA and lower pressure toward the eastern Bahamas & Turks & Caicos associated with a tropical wave. Best chance of passing showers will focus this morning through midday along the immediate coast, then transition inland toward the I-75 corridor into the afternoon. As coastal showers try to advect inland along the SE GA coast into the afternoon, expect dissipation of most rainfall west of I-95 due to stronger subsidence over S GA under the low level ridge. NE FL will have the better chance of rainfall, with even an isolated strong t'storm during the afternoon across inland areas where better upper level instability will reside under a retrograding upper level low. Limiting factor for convection today will be the lack of deep layer moisture, with rainfall coverage still limited to 20-30%, however, cooler 500 mb temps of -8 to -9 degC and dry mid level air will create high downdraft CAPE values and gusty downburst wind possible if a thunderstorm can develop. Fast storm motion will prevent west coast sea breeze development with the bulk of rain pressing steadily WSW through the afternoon leaving just a low chance of a coastal shower into the evening and overnight under persistent onshore flow. With the influx of low level moisture, there will be a better chance of late night fog/low stratus inland mainly over SE GA and the northern Suwannee River Valley of NE FL where lighter winds are expected under low level ridge axis. A return to near normal maximum temperatures in the mid/upper 80s. Low temperatures will trend near to just above normal due to onshore flow, ranging from the upper 60s to near 70 across inland SE GA to the low/mid 70s toward the Atlantic coast under elevated onshore flow. .SHORT TERM...THU & FRI... Mean layer 1000-700 mb high pressure will dominate across the TN River Valley as the tropical wave across the Bahamas moves west and crosses south FL through Friday. Faster, deep layer easterly flow will continue over the local area, with increasing moisture each day as the tropical wave approaches. Highest rain chances will focus across NE FL, with drier air and more subsidence continuing relatively dry conditions across much of SE GA. Precipitable water content rises over 2 inches (normal this time of year is 1.60") across our southern tier FL zones Fri afternoon, with both GFS & ECMWF indicating daily 0.25-0.50" along and south of at St. Augustine to Ocala line. Training cells could bring locally heavy rainfall, especially along parts of the NE FL coast this period. Rainfall will generally fade over inland areas during the late afternoon/early evening, while coastal showers will continue overnight through the early morning. Warmest daytime highs will focus across SE GA near 90 degF, with cooler highs in the mid/upper 80s along the coast and NE FL under more cloud cover. Mins will range in the low/mid 70s, generally near to above normal. .LONG TERM...SAT THROUGH TUE... Elevated rain chances as tropical moisture on the northern side of the wave moving westward across south FL Fri overspreads the local area from south-north into the weekend as the low drifts northward across the Gulf of Mexico. Regardless of how the low develops, the local area will be on the eastern, wetter side of the system, promoting elevated rain chances, especially across our western zones FL where the deeper moisture will stream. High temperatures will trend near to below normal due cloud cover, with minimums generally near to above normal. && .AVIATION... MVFR conditions will prevail overnight at VQQ, GNV and SGJ, with ceilings around 2000-2500 feet at SGJ. Brief periods of IFR visibilities will be possible at VQQ and GNV through 12Z. MVFR ceilings may persist through around 15Z at SGJ as showers begin to move onshore from the Atlantic waters. Otherwise, VFR ceilings of 3000-4000 feet should prevail at the regional terminals by 14Z. Northeasterly surface winds will increase after 12Z, with sustained speeds reaching 10-15 knots at the regional terminals by 16Z. Frequent gusts near 20 knots are expected at the coastal terminals after 15Z. An isolated thunderstorm could impact GNV after 17Z, but confidence was too low to include in the latest TAFs. && .MARINE... High pressure will dominate north of the waters while a tropical wave crosses the Bahamas and south Florida through the weekend. Winds will increase to near exercise caution levels Thu as the pressure gradient tightens as the low approaches the Bahamas. As the low passes to the south of the local waters Fri- Sun, combined seas will near advisory levels due to building swells within the outer waters. Rain potential increases Fri-Sun due to tropical moisture overspreading the waters. Rip Currents: Extended period of at least moderate risk of rip currents this week due to persistent onshore flow. && .PRELIMINARY POINT TEMPS/POPS... AMG 92 70 91 70 / 0 0 0 0 SSI 87 78 85 77 / 20 20 10 10 JAX 88 74 87 75 / 20 20 30 10 SGJ 87 78 85 79 / 30 20 30 30 GNV 91 72 89 75 / 30 10 30 10 OCF 91 72 89 74 / 30 10 30 20 && .JAX WATCHES/WARNINGS/ADVISORIES... FL...None. GA...None. AM...None. && Enyedi/Nelson
The Jacksonville radar (KJAX), 36 km away, was scanning. The volume nearest the first event began at 12:16 UTC.
1 funnel cloud. Local standard time, as filed.
A funnel cloud from a shower was reported moving onshore just east of 9th Avenue North in Jacksonville Beach.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Florida in 2019Every state in 2019This day in weather historyWarnings in Florida, September 2019
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: 855050.