Alert archive / Florida / High Surf Advisories in 2021
High Surf Advisory 1, NWS Mobile, AL
NWS Mobile, AL issued this high surf advisory at Jan 30, 2021, 7:49 PM CST for Escambia County, Okaloosa County, Santa Rosa County, Florida. It took effect at Jan 31, 2021, 3:00 AM CST. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Jan 30, 2021, 7:49 PM CST (01:49 UTC)
- In effect from
- Jan 31, 2021, 3:00 AM CST
- Expired
- Jan 31, 2021, 2:10 PM CST
- In force
- 11 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 01:53 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 00:00Z, 1.8 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
- 1427 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 335 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
788 WHUS44 KMOB 310149 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 749 PM CST Sat Jan 30 2021 FLZ202-204-206-311200- /O.NEW.KMOB.SU.Y.0001.210131T0900Z-210201T0600Z/ /O.CON.KMOB.RP.S.0003.000000T0000Z-210201T1200Z/ Escambia Coastal-Santa Rosa Coastal-Okaloosa Coastal- 749 PM CST Sat Jan 30 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE SUNDAY NIGHT... ...HIGH SURF ADVISORY IN EFFECT FROM 3 AM SUNDAY TO MIDNIGHT CST SUNDAY NIGHT... * WHAT...For the High Surf Advisory, large breaking waves of 4 to 6 feet expected in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...Escambia Coastal, Santa Rosa Coastal and Okaloosa Coastal Counties. * WHEN...For the High Surf Advisory, from 3 AM Sunday to midnight CST Sunday night. For the High Rip Current Risk, through late Sunday night. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$ ALZ265-266-311200- /O.CON.KMOB.RP.S.0003.000000T0000Z-210201T1200Z/ Mobile Coastal-Baldwin Coastal- 749 PM CST Sat Jan 30 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE SUNDAY NIGHT... * WHAT...Dangerous rip currents expected. * WHERE...In Alabama, Baldwin Coastal and Mobile Coastal Counties. In Florida, Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...Through late Sunday night. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
3 follow-up statements
738 WHUS44 KMOB 311012 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 412 AM CST Sun Jan 31 2021 FLZ202-204-206-311815- /O.CON.KMOB.SU.Y.0001.000000T0000Z-210201T0600Z/ /O.CON.KMOB.RP.S.0003.000000T0000Z-210201T1200Z/ Escambia Coastal-Santa Rosa Coastal-Okaloosa Coastal- 412 AM CST Sun Jan 31 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...For the High Surf Advisory, large breaking waves of 4 to 6 feet expected in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...Escambia Coastal, Santa Rosa Coastal and Okaloosa Coastal Counties. * WHEN...For the High Surf Advisory, through midnight CST Sunday night. For the High Rip Current Risk, through late Sunday night. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$ ALZ265-266-311815- /O.CON.KMOB.RP.S.0003.000000T0000Z-210201T1200Z/ Mobile Coastal-Baldwin Coastal- 412 AM CST Sun Jan 31 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...Dangerous rip currents expected. * WHERE...In Alabama, Baldwin Coastal and Mobile Coastal Counties. In Florida, Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...Through late Sunday night. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
310 WHUS44 KMOB 311733 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 1133 AM CST Sun Jan 31 2021 FLZ202-204-206-010145- /O.CON.KMOB.SU.Y.0001.000000T0000Z-210201T0600Z/ /O.CON.KMOB.RP.S.0003.000000T0000Z-210201T1200Z/ Escambia Coastal-Santa Rosa Coastal-Okaloosa Coastal- 1133 AM CST Sun Jan 31 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT CST TONIGHT... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...For the High Surf Advisory, large breaking waves of 3 to 6 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...For the High Surf Advisory, until midnight CST tonight. For the High Rip Current Risk, through late tonight. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Inexperienced swimmers should remain out of the water due to dangerous surf conditions. Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$ ALZ265-266-010145- /O.CON.KMOB.RP.S.0003.000000T0000Z-210201T1200Z/ Mobile Coastal-Baldwin Coastal- 1133 AM CST Sun Jan 31 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...Dangerous rip currents. * WHERE...Baldwin Coastal and Mobile Coastal Counties. * WHEN...Through late tonight. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
769 WHUS44 KMOB 312010 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 210 PM CST Sun Jan 31 2021 FLZ202-204-206-010415- /O.CAN.KMOB.SU.Y.0001.000000T0000Z-210201T0600Z/ /O.CON.KMOB.RP.S.0003.000000T0000Z-210201T1200Z/ Escambia Coastal-Santa Rosa Coastal-Okaloosa Coastal- 210 PM CST Sun Jan 31 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT... ...HIGH SURF ADVISORY IS CANCELLED... * WHAT...Dangerous rip currents. * WHERE...Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...Through late tonight. * IMPACTS...Dangerous swimming and surfing conditions and localized beach erosion. Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$ ALZ265-266-010415- /O.CON.KMOB.RP.S.0003.000000T0000Z-210201T1200Z/ Mobile Coastal-Baldwin Coastal- 210 PM CST Sun Jan 31 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH LATE TONIGHT... * WHAT...Dangerous rip currents. * WHERE...Baldwin Coastal and Mobile Coastal Counties. * WHEN...Through late tonight. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
Nearby
High Surf Advisories in Florida, 2021Every high surf advisory in 2021
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.