Alert archive / Florida / Special Weather Statements in 2011
Special Weather Statement, NWS Miami, FL
NWS Miami, FL issued this special weather statement at Apr 5, 2011, 12:47 PM EDT for Collier County, Hendry County, Palm Beach County, Florida. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 5, 2011, 12:47 PM EDT (16:47 UTC)
- Expired
- Apr 5, 2011, 1:30 PM EDT
- In force
- 43 min
- Issued by
- NWS Miami, FL
Counties Collier County, FL, Hendry County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 120 km from the middle of the area, began a volume at 16:51 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
Miami, FL (KMFL), launched 12:00Z, 4.8 hours before the alert went out and 103 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
- 2028 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 645 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 155 m²/s²
- 0-3 km storm-relative helicity
- 208 m²/s²
- Significant tornado parameter
- 1.6
- Supercell composite
- 9.0
The text
As transmitted, in the capitals the NWS used until 2016.
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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 |
|---|---|---|---|---|
| Apr 5, 4:18 AM EDT | Small Craft Advisory | MFL | 15 hr | |
| Apr 5, 11:22 AM EDT | Special Weather Statement | MFL | Glades | 53 min |
| Apr 5, 11:50 AM EDT | Special Marine Warning | MFL | 85 min | |
| Apr 5, 12:04 PM EDT | Special Weather Statement | MFL | Collier, Glades, Hendry | 56 min |
| Apr 5, 12:42 PM EDT | Special Marine Warning | MFL | 93 min | |
| Apr 5, 1:06 PM EDT | Special Weather Statement | MFL | Broward | 24 min |
| Apr 5, 1:26 PM EDT | Special Weather Statement | MFL | Broward, Palm Beach | 34 min |
| Apr 5, 1:34 PM EDT | Special Marine Warning | MFL | 56 min | |
| Apr 5, 1:40 PM EDT | Severe Thunderstorm Warning | MFL | Broward, Palm Beach | 35 min |
| Apr 5, 1:54 PM EDT | Special Weather Statement | MFL | Broward | 36 min |
| Apr 5, 2:02 PM EDT | Special Marine Warning | MFL | 58 min | |
| Apr 5, 2:25 PM EDT | Special Marine Warning | MFL | 95 min | |
| Apr 5, 2:31 PM EDT | Special Weather Statement | MFL | Miami-Dade | 59 min |
| Apr 5, 2:59 PM EDT | Special Marine Warning | MFL | 61 min | |
| Apr 5, 3:52 PM EDT | Special Marine Warning | MFL | 83 min |
Nearby
Special Weather Statements in Florida, 2011Every special weather statement in 2011
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.