Alert archive / Florida / Lake Wind Advisories in 2012
Lake Wind Advisory 16, NWS Jacksonville, FL
NWS Jacksonville, FL issued this lake wind advisory at Mar 9, 2012, 1:35 PM EST for Flagler County, Nassau County, Florida; Camden County, Glynn County, Georgia. It took effect at Mar 10, 2012, 3:00 AM EST. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Mar 9, 2012, 1:35 PM EST (18:35 UTC)
- In effect from
- Mar 10, 2012, 3:00 AM EST
- Expired
- Mar 10, 2012, 8:55 PM EST
- In force
- 18 hr
- Issued by
- NWS Jacksonville, FL
Counties Flagler County, FL, Nassau County, FL, Camden County, GA, Glynn County, GA
The radar
The Jacksonville radar (KJAX), 17 km from the middle of the area, began a volume at 18:37 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 12:00Z, 6.6 hours before the alert went out and 253 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
- 44 J/kg
- Mixed-layer CIN
- -59 J/kg
- Mixed-layer LCL
- 1031 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 48 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 Jacksonville, FL wrote its last area forecast discussion before this lake wind advisory went out at Mar 9, 9:35 AM EST, 4 hours earlier.
Area forecast discussion, Mar 9, 9:35 AM EST, 4 hours before
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</html>Hazardous weather outlook, Mar 9, 4:29 AM EST, 9 hours 6 minutes before
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</html>Nearby
Lake Wind Advisories in Florida, 2012Lake Wind Advisories in Georgia, 2012Every lake wind advisory in 2012
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.