Thunderstorms developed over the Gulf of Mexico under southwesterly flow. An outflow boundary from one of these storms developed a squall line that moved into the Florida Peninsula, producing damaging wind gusts over the Nature Coast.
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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 TBW wrote it up.
Thunderstorms developed over the Gulf of Mexico under southwesterly flow. An outflow boundary from one of these storms developed a squall line that moved into the Florida Peninsula, producing damaging wind gusts over the Nature Coast.
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 Jun 19, 7:44 AM EST, 3 hours 51 minutes earlier.
Area Forecast Discussion National Weather Service Tampa Bay Ruskin FL 844 AM EDT Wed Jun 19 2019 .UPDATE... Upper shortwave trough continues in E Central Gulf wrapping vort max/upper energy over the area this morning along with surface outflow boundaries to combine and produce showers and thunderstorms in SW Fl and E Gulf this morning. So, continue to expect more typical S-SW flow pattern to redevelop with showers already in E Gulf to move ashore through the morning hours then push inland through the afternoon. Only minor adjustments to grids based on radar/satellite trends, otherwise forecast in good shape. && .AVIATION... Showers and thunderstorms continue over SW FL to keep VCTS in southern terminals with possible brief/localized MVFR/IFR conditions. Additional showers/storms expected to redevelop elsewhere in coastal areas this morning to move inland this afternoon on SW flow. && .Prev Discussion... /issued 319 AM EDT Wed Jun 19 2019/ DISCUSSION... Broad cyclonic flow continues across the southeast with a shortwave moving across the eastern Gulf of Mexico and Florida. This helped generate a line of showers and thunderstorms that moved over the Gulf and into the Tampa Bay region. These will continue to sink slowly southward over the next few hours, though the line is becoming more broken with time. At the surface, the Atlantic ridge axis stretches over south Florida, with a southwest low-level flow remaining in place. For the rest of today, precipitable water values are forecast to be around 2 inches, with scattered to numerous showers and thunderstorms expected. These will generally shift toward inland areas through the afternoon and evening. Mid/upper ridging then starts to build over the region on Thursday, although onshore flow will continue, with scattered rain chances expected. The ridge will build even more for Friday and into the weekend and early next week, with some relatively drier air moving in, bringing lower rain chances. Low-level flow will become lighter as surface high pressure settles over Florida with the best rain chances forecast to be away from the immediate coast. Conditions otherwise will be typically warm and humid. MARINE... High pressure south of the area will keep a southwest wind flow in place across the waters through the next several days. No headlines are expected, though winds and seas will be higher in or near any showers and thunderstorms. FIRE WEATHER... No fire weather concerns as relative humidity values will remain above critical levels. No significant fog is expected. && .Preliminary Point Temps/PoPs... TPA 88 78 90 78 / 50 20 20 0 FMY 90 77 92 76 / 30 10 10 0 GIF 88 75 92 75 / 70 20 20 0 SRQ 89 77 91 77 / 40 20 10 0 BKV 87 74 90 74 / 60 30 20 10 SPG 88 79 90 79 / 40 20 10 0 && .TBW WATCHES/WARNINGS/ADVISORIES... FL...None. Gulf waters...None. && UPDATE/AVIATION...25/Davis
The Moody AFB radar (KVAX), 156 km away, was scanning. The volume nearest the first event began at 16:35 UTC.
2 thunderstorm wind. Local standard time, as filed.
A few reports were received of trees down from wind gusts, including one tree on a car and on power lines.
Broadcast media relayed a picture of a tree uprooted in Spring Hill. Time was estimated from radar.
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, June 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: 820443, 820446.