Alert archive / Florida / Severe Thunderstorm Watches in 2005
Severe Thunderstorm Watch 52
The Storm Prediction Center issued this severe thunderstorm watch at Mar 17, 2005, 9:45 AM EST for 11 counties in Florida. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 17, 2005, 9:45 AM EST (14:45 UTC)
- Expired
- Mar 17, 2005, 5:00 PM EST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
Counties Broward County, FL, Collier County, FL, DeSoto County, FL, Glades County, FL, Hendry County, FL, Highlands County, FL, Lee County, FL, Martin County, FL, Miami-Dade County, FL, Monroe County, FL, Palm Beach County, FL
The radar
The Miami radar (KAMX), 69 km from the middle of the area, began a volume at 14:45 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.
Warnings issued inside it
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 10:18 AM EST | Severe Thunderstorm Warning | TBW | Lee | 57 min |
| Mar 17, 10:49 AM EST | Severe Thunderstorm Warning | MFL | Hendry | 56 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Miami, FL (KMFL), launched 12:00Z, 2.8 hours before the alert went out and 83 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
- 661 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 863 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.9
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 7:04 PM EST | Mesoscale Discussion | SPC | Brevard, Flagler, Hillsborough, Indian River, Lake, Marion and 11 more | 26 min |
| Mar 17, 8:43 AM EST | Mesoscale Discussion | SPC | Glades, Hendry, Lee, Martin, Palm Beach, Saint Lucie | 107 min |
| Mar 17, 12:09 PM EST | Mesoscale Discussion | SPC | Broward, Collier, DeSoto, Glades, Hendry, Highlands and 5 more | 66 min |
| Mar 17, 3:24 PM EST | Mesoscale Discussion | SPC | Broward, Miami-Dade, Monroe, Palm Beach | 66 min |
Nearby
Severe Thunderstorm Watches in Florida, 2005Every severe thunderstorm watch in 2005
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.