Alert archive / Florida / High Surf Advisories in 2020
High Surf Advisory 4, NWS Tallahassee, FL
NWS Tallahassee, FL issued this high surf advisory at Jun 5, 2020, 4:35 PM CDT for 4 counties in Florida. It took effect at Jun 6, 2020, 1:00 PM CDT. It was in force for 54 hr.
The area
The counties it named.
The facts
- Issued
- Jun 5, 2020, 4:35 PM CDT (21:35 UTC)
- In effect from
- Jun 6, 2020, 1:00 PM CDT
- Expired
- Jun 8, 2020, 7:00 PM CDT
- In force
- 54 hr
- Issued by
- NWS Tallahassee, FL
Counties Bay County, FL, Franklin County, FL, Gulf County, FL, Walton County, FL
The radar
The Eglin Afb radar (KEVX), 64 km from the middle of the area, began a volume at 21:36 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
Birmingham, AL (KBMX), launched 12:00Z, 9.6 hours before the alert went out and 360 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
- 690 J/kg
- Mixed-layer CIN
- -45 J/kg
- Mixed-layer LCL
- 799 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 5, 3:42 AM CDT | Rip Current Statement | TAE | Bay, Franklin, Gulf, Walton | 5 days |
| Jun 5, 10:00 AM CDT | Storm Surge Watch | TAE | Dixie, Franklin, Jefferson, Taylor, Wakulla | 24 hr |
| Jun 5, 4:31 PM CDT | Small Craft Advisory | TAE | 3 days |
Nearby
High Surf Advisories in Florida, 2020Every high surf advisory in 2020
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.