Alert archive / Florida / Dense Fog Advisories in 2012
Dense Fog Advisory 2, NWS Miami, FL
NWS Miami, FL issued this dense fog advisory at Feb 24, 2012, 2:07 AM EST for 6 counties in Florida. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Feb 24, 2012, 2:07 AM EST (07:07 UTC)
- Expired
- Feb 24, 2012, 9:00 AM EST
- In force
- 7 hr
- Issued by
- NWS Miami, FL
Counties Broward County, FL, Collier County, FL, Glades County, FL, Hendry County, FL, Miami-Dade County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 92 km from the middle of the area, began a volume at 07:07 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
Tampa Bay, FL (KTBW), launched 00:00Z, 7.1 hours before the alert went out and 216 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
- 272 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 826 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.7
What forecasters said that day
The local office's own words before this dense fog advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Miami, FL wrote its last area forecast discussion before this dense fog advisory went out at Feb 24, 12:29 AM EST, 1 hour 38 minutes earlier.
Area forecast discussion, Feb 24, 12:29 AM EST, 1 hour 38 minutes before
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</html>Hazardous weather outlook, Feb 23, 9:38 PM EST, 4 hours 29 minutes before
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</html>Nearby
Dense Fog Advisories in Florida, 2012Every dense fog 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.