Alert archive / Florida / Freeze Watches in 2012
Freeze Watch 3, NWS Miami, FL
NWS Miami, FL issued this freeze watch at Feb 11, 2012, 2:50 PM EST for Glades County, Florida. It took effect at Feb 13, 2012, 3:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 11, 2012, 2:50 PM EST (19:50 UTC)
- In effect from
- Feb 13, 2012, 3:00 AM EST
- Expired
- Feb 12, 2012, 2:30 PM EST
- In force
- Issued by
- NWS Miami, FL
County Glades County, FL
The radar
The Melbourne radar (KMLB), 139 km from the middle of the area, began a volume at 19:56 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 12:00Z, 7.8 hours before the alert went out and 146 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 486 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- -54 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 freeze watch 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 freeze watch went out at Feb 11, 12:45 PM EST, 2 hours 5 minutes earlier.
Area forecast discussion, Feb 11, 12:45 PM EST, 2 hours 5 minutes before
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</html>The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 2:02 AM EST | Special Marine Warning | MFL | 28 min | |
| Feb 11, 2:25 AM EST | Special Marine Warning | MFL | 35 min | |
| Feb 11, 2:55 AM EST | Special Weather Statement | MFL | Miami-Dade | 35 min |
| Feb 11, 3:22 AM EST | Special Marine Warning | MFL | 23 min | |
| Feb 11, 3:37 AM EST | Small Craft Advisory | MFL | 59 hr | |
| Feb 11, 3:40 AM EST | Special Marine Warning | MFL | 35 min | |
| Feb 11, 3:46 AM EST | Wind Chill Advisory | MFL | Collier, Glades, Hendry, Palm Beach | 29 hr |
Nearby
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.