A strong seabreeze thunderstorm over Polk County produced a quick funnel cloud.
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The episode as NWS TBW wrote it up.
A strong seabreeze thunderstorm over Polk County produced a quick funnel cloud.
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 Tampa Bay, FL wrote its last area forecast discussion before the first event at Jul 10, 7:04 PM EST, 3 hours 23 minutes earlier.
Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 804 PM EDT Fri Jul 10 2020 .UPDATE... The westerly flow over the last fews days has switched up what we are use to seeing this time of year. Instead of dry night and morning hours with showers and storms in the afternoon. We are seeing showers and storms overnight and in the morning hours with drier conditions in the late afternoon and evening. This trend should continue with showers and an isolated thunderstorm mainly north of I-4 during the overnight and morning hours. By early afternoon attention will shift to inland areas where showers and storms will start to pop up. Then most of the shower and thunderstorm activity should move to the east coast by the late afternoon and early evening hours. && .AVIATION... Mainly VFR conditions expected through the period. Will hold VCSH for most airports starting between 03-06z. Will introduce VCTS by 12Z and should last through the end of the TAF period. Brief MVFR conditions will be possible if showers and storms push over station. Winds will stay out of the west through the period. Winds will remain light overnight before increasing to around 7 to 12 knots in the afternoon. && .Prev Discussion... /issued 233 PM EDT Fri Jul 10 2020/ DISCUSSION (Tonight through next Friday)... Mid level troughing along the eastern seaboard and extending south into the northern Gulf combined with high pressure to the south of the state and extending west into the Gulf will maintain a deep layered westerly wind flow across the forecast area through the weekend and into the middle of next week with a continuation of late night and early morning showers and storms along coastal areas, then shifting to inland and eastern sections of the peninsula each afternoon. It will remain hot and muggy with above normal night time temperatures along the coast due to the onshore flow where readings around 80 can be expected with mid to upper 70s inland, with near normal daytime highs in the upper 80s to lower 90s each afternoon. Now during the latter part of next week a pattern change is expected as high pressure to the south builds back to the north with an east-southeast wind flow developing. This flow regime would favor highest rain chances and best storm coverage to focus along the western side of the peninsula each afternoon along the east/west coast sea breeze merger. Temperatures next week will run slightly above normal with overnight lows in the mid to upper 70s, with daytime highs in the lower to mid 90s. MARINE... Troughing to the north of the Gulf waters and surface high pressure to the south will maintain a westerly wind flow with seas of 2 to 4 feet over the Gulf waters tonight through the weekend and into early next week. Wind and seas will be higher near showers and storms, otherwise no headlines are expected. FIRE WEATHER... Ample moisture within a deep layered westerly wind flow off the Gulf will keep humidity values well above critical levels through the weekend and into next week with no fire weather hazards expected. && .Preliminary Point Temps/PoPs... TPA 80 90 80 93 / 30 50 30 40 FMY 79 91 79 91 / 40 50 30 60 GIF 77 91 76 94 / 30 60 20 60 SRQ 80 91 80 92 / 30 50 30 50 BKV 76 91 76 94 / 30 50 20 40 SPG 80 91 80 91 / 30 50 30 40 && .TBW WATCHES/WARNINGS/ADVISORIES... FL...None. Gulf waters...None. && UPDATE/AVIATION/MARINE...27/Shiveley UPPER AIR...74/Wynn DECISION SUPPORT...74/Wynn
The Melbourne radar (KMLB), 66 km away, was scanning. The volume nearest the first event began at 03:29 UTC.
1 funnel cloud. Local standard time, as filed.
Storm chaser relayed photos of a funnel cloud in southeast Polk County but there is no proof or other report showing the funnel reaching the ground.
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, July 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: 892781.