SPC 2000Z Day 1 Outlook
Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0127 PM CST Wed Nov 04 2020 Valid 042000Z - 051200Z ...NO SEVERE THUNDERSTORM AREAS FORECAST... ...SUMMARY... Isolated general thunderstorms are possible late tonight and early Thursday morning across parts of south Florida. ...20z Update... The ongoing forecast is on track, and no changes are needed with this update. See previous discussion below for more details. ..Leitman.. 11/04/2020 .PREV DISCUSSION... /ISSUED 1023 AM CST Wed Nov 04 2020/ ...Synopsis/Discussion... A progressive/low-amplitude large-scale pattern and a general absence of appreciable low-level moisture will result in minimal thunderstorm potential through tonight. Across southern Florida, gradual low-level moistening via easterly flow will allow for the development of weak buoyancy tonight. Convection could become deep enough for isolated thunderstorms late tonight into the early morning hours of Thursday in vicinity of the Florida Straits/far southern Florida. Elsewhere, low-topped convection will likely accompany an inland-moving front tonight in coastal Washington. It currently appears that thermodynamic profiles will not be conducive for charge separation and lightning flashes.
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