Alert archive / Florida / Lake Wind Advisories in 2020
Lake Wind Advisory 22, NWS Melbourne, FL
NWS Melbourne, FL issued this lake wind advisory at Sep 12, 2020, 7:40 AM EDT for 5 counties in Florida. It took effect at Sep 12, 2020, 8:00 AM EDT. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Sep 12, 2020, 7:40 AM EDT (11:40 UTC)
- In effect from
- Sep 12, 2020, 8:00 AM EDT
- Expired
- Sep 12, 2020, 6:00 PM EDT
- In force
- 10 hr
- Issued by
- NWS Melbourne, FL
Counties Lake County, FL, Okeechobee County, FL, Orange County, FL, Osceola County, FL, Seminole County, FL
The radar
The Melbourne radar (KMLB), 63 km from the middle of the area, began a volume at 11:40 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Cape Canaveral, FL (KXMR), launched 00:00Z, 11.7 hours before the alert went out and 77 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 764 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 1000 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- -46 m²/s²
- 0-3 km storm-relative helicity
- -41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this lake wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Melbourne, FL wrote its last area forecast discussion before this lake wind advisory went out at Sep 12, 4:03 AM EDT, 3 hours 37 minutes earlier.
Area forecast discussion, Sep 12, 4:03 AM EDT, 3 hours 37 minutes before
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</html>Hazardous weather outlook, Sep 12, 5:29 AM EDT, 2 hours 11 minutes before
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Local storm report, Sep 12, 3:49 AM EDT, 3 hours 51 minutes before
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</html>The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 2:38 AM EDT | Flood Watch | MLB | Okeechobee | 15 hr |
| Sep 12, 3:53 AM EDT | Rip Current Statement | MLB | Volusia | 16 hr |
| Sep 12, 8:52 AM EDT | Special Marine Warning | MLB | 83 min | |
| Sep 12, 10:16 AM EDT | Special Marine Warning | MLB | 119 min | |
| Sep 12, 10:22 AM EDT | Special Weather Statement | MLB | Brevard | 38 min |
| Sep 12, 11:58 AM EDT | Special Weather Statement | MLB | Lake | 32 min |
| Sep 12, 12:06 PM EDT | Special Marine Warning | MLB | 114 min | |
| Sep 12, 12:31 PM EDT | Special Weather Statement | MLB | Seminole | 44 min |
| Sep 12, 12:53 PM EDT | Special Marine Warning | MLB | 112 min | |
| Sep 12, 1:10 PM EDT | Special Weather Statement | MLB | Lake | 35 min |
| Sep 12, 1:57 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Sep 12, 2:44 PM EDT | Special Marine Warning | MLB | 2 hr | |
| Sep 12, 3:08 PM EDT | Special Weather Statement | MLB | Indian River | 52 min |
| Sep 12, 4:02 PM EDT | Special Marine Warning | MLB | 58 min | |
| Sep 12, 4:25 PM EDT | Special Weather Statement | MLB | Brevard | 50 min |
Nearby
Lake Wind Advisories in Florida, 2020Every lake wind advisory in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.