Alert archive / Florida / High Surf Advisories in 2023
High Surf Advisory 4, NWS Mobile, AL
NWS Mobile, AL issued this high surf advisory at Feb 11, 2023, 3:34 PM CST for Escambia County, Okaloosa County, Santa Rosa County, Florida. It took effect at Feb 12, 2023, 12:00 AM CST. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Feb 11, 2023, 3:34 PM CST (21:34 UTC)
- In effect from
- Feb 12, 2023, 12:00 AM CST
- Expired
- Feb 12, 2023, 3:00 PM CST
- In force
- 15 hr
- Issued by
- NWS Mobile, AL
Counties Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL
The radar
The Eglin Afb radar (KEVX), 102 km from the middle of the area, began a volume at 21:34 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.6 hours before the alert went out and 259 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
- 489 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 137 m²/s²
- 0-3 km storm-relative helicity
- 313 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this high surf advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Mobile, AL wrote its last area forecast discussion before this high surf advisory went out at Feb 11, 12:13 PM CST, 3 hours 21 minutes earlier.
Area forecast discussion, Feb 11, 12:13 PM CST, 3 hours 21 minutes before
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</html>The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 3:22 AM CST | Gale Warning | MOB | 33 hr | |
| Feb 11, 3:22 AM CST | Small Craft Advisory | MOB | 36 hr | |
| Feb 11, 10:19 AM CST | Small Craft Advisory | MOB | 8 hr | |
| Feb 11, 10:47 AM CST | River Flood Warning | MOB | Mobile | 35 hr |
| Feb 11, 3:23 PM CST | Wind Advisory | MOB | Baldwin, Butler, Choctaw, Clarke, Conecuh, Covington and 6 more | 21 hr |
| Feb 11, 3:34 PM CST | Rip Current Statement | MOB | Baldwin, Mobile | 26 hr |
Nearby
High Surf Advisories in Florida, 2023Every high surf advisory in 2023
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.