⛈️ FL Storm Check
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Adaptive Forecast
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📈 Instability Curve — Hour by Hour
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⚡ Lightning Potential
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💧 Morning Dew Pt
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⚡ Peak CAPE
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🌡️ Spread @ 2 PM
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Tampa Bay AFD text
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How to read the AFD

Look for .SYNOPSIS. for the big picture, .SHORT TERM. for today/tomorrow, and .LONG TERM. for planning days ahead.


Lightning signal words: "deep moisture" · "abundant CAPE" · "sea breeze convergence" · "unstable airmass" · "scattered to numerous"

📊 Quick Reference Numbers
💧 Dew Point (°F)
≤64Dry — no-go
65–69Marginal
70–72Go range
73–75Excellent
78+Exceptional
⚡ CAPE (J/kg)
<500Weak
500–1,500Moderate
1,500–3,000Strong
3,000+Very strong
🌡️ Spread (T − Dp)
≤10°FPrimed
10–12°FGood
13–20°FWatch it
>20°FDry air
⚡ Lightning Pot.
6–7 ptsExtreme
4–5 ptsHigh
2–3 ptsModerate
0–1 ptsLow
📡 Radar (dBZ)
<30Cell forming — OK to position
30–45Active storm — 8+ mi away
45–55Heavy — stay in vehicle
65+Hail likely — move now
Data: NWS API · Open-Meteo HRRR · Refreshes on demand · Educational use only
⚡ The image is never worth your life.