Alert archive / Florida / High Surf Advisories in 2021
High Surf Advisory 9, NWS Mobile, AL
NWS Mobile, AL issued this high surf advisory at Jul 6, 2021, 6:49 PM CDT for Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Alabama. It took effect at Jul 7, 2021, 7:00 AM CDT. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jul 6, 2021, 6:49 PM CDT (23:49 UTC)
- In effect from
- Jul 7, 2021, 7:00 AM CDT
- Expired
- Jul 7, 2021, 7:00 PM CDT
- In force
- 12 hr
- Issued by
- NWS Mobile, AL
Counties Baldwin County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL
The radar
The Mobile radar (KMOB), 102 km from the middle of the area, began a volume at 23:50 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 11.8 hours before the alert went out and 246 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
- 1603 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- -1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
431 WHUS44 KMOB 062349 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 649 PM CDT Tue Jul 6 2021 ALZ266-FLZ202-204-206-070800- /O.NEW.KMOB.SU.Y.0009.210707T1200Z-210708T0000Z/ /O.CON.KMOB.RP.S.0020.210707T0000Z-210709T0000Z/ Baldwin Coastal-Escambia Coastal-Santa Rosa Coastal- Okaloosa Coastal- 649 PM CDT Tue Jul 6 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY EVENING... ...HIGH SURF ADVISORY IN EFFECT FROM 7 AM TO 7 PM CDT WEDNESDAY... * WHAT...For the High Surf Advisory, large breaking waves of up to 5 feet expected in the surf zone. For the High Rip Current Risk, dangerous rip currents expected. * WHERE...In Alabama, Baldwin Coastal County. In Florida, Escambia Coastal, Santa Rosa Coastal and Okaloosa Coastal Counties. * WHEN...For the High Surf Advisory, from 7 AM to 7 PM CDT Wednesday. For the High Rip Current Risk, through Thursday evening. * 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. && $$ ALZ265-070800- /O.CON.KMOB.RP.S.0020.210707T0000Z-210709T0000Z/ Mobile Coastal- 649 PM CDT Tue Jul 6 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...Dangerous rip currents expected. * WHERE...In Alabama, Baldwin Coastal and Mobile Coastal Counties. In Florida, Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...From 7 PM CDT this evening through Thursday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
3 follow-up statements
110 WHUS44 KMOB 070831 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 331 AM CDT Wed Jul 7 2021 ALZ266-FLZ202-204-206-071800- /O.CON.KMOB.SU.Y.0009.210707T1200Z-210708T0000Z/ /O.CON.KMOB.RP.S.0020.000000T0000Z-210709T0000Z/ Baldwin Coastal-Escambia Coastal-Santa Rosa Coastal- Okaloosa Coastal- 331 AM CDT Wed Jul 7 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY EVENING... ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 7 AM THIS MORNING TO 7 PM CDT THIS EVENING... * WHAT...For the High Surf Advisory, large breaking waves of up to 4 feet expected in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...In Alabama, Baldwin Coastal County. In Florida, Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...For the High Surf Advisory, from 7 AM this morning to 7 PM CDT this evening. For the High Rip Current Risk, through Thursday evening. * 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. && $$ ALZ265-071800- /O.CON.KMOB.RP.S.0020.000000T0000Z-210709T0000Z/ Mobile Coastal- 331 AM CDT Wed Jul 7 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...Dangerous rip currents. * WHERE...Mobile Coastal County. * WHEN...Through Thursday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
204 WHUS44 KMOB 071758 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 1258 PM CDT Wed Jul 7 2021 ALZ266-FLZ202-204-206-080200- /O.CON.KMOB.SU.Y.0009.000000T0000Z-210708T0000Z/ /O.CON.KMOB.RP.S.0020.000000T0000Z-210709T0000Z/ Baldwin Coastal-Escambia Coastal-Santa Rosa Coastal- Okaloosa Coastal- 1258 PM CDT Wed Jul 7 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...For the High Surf Advisory, large breaking waves of up to 4-5 feet expected in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...In Alabama, Baldwin Coastal County. In Florida, Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...For the High Surf Advisory, now until 7 PM CDT this evening. For the High Rip Current Risk, now through Thursday evening. * 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. && $$ ALZ265-080200- /O.CON.KMOB.RP.S.0020.000000T0000Z-210709T0000Z/ Mobile Coastal- 1258 PM CDT Wed Jul 7 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...Dangerous rip currents. * WHERE...Mobile Coastal County. * WHEN...Through Thursday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
526 WHUS44 KMOB 080001 CFWMOB Coastal Hazard Message National Weather Service Mobile AL 701 PM CDT Wed Jul 7 2021 ALZ266-FLZ202-204-206-081000- /O.EXP.KMOB.SU.Y.0009.000000T0000Z-210708T0000Z/ /O.CON.KMOB.RP.S.0020.000000T0000Z-210709T0000Z/ Baldwin Coastal-Escambia Coastal-Santa Rosa Coastal- Okaloosa Coastal- 701 PM CDT Wed Jul 7 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY EVENING... ...HIGH SURF ADVISORY HAS EXPIRED... * WHAT...Dangerous rip currents. * WHERE...In Alabama, Baldwin Coastal County. In Florida, Santa Rosa Coastal, Okaloosa Coastal and Escambia Coastal Counties. * WHEN...Through Thursday evening. * 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. && $$ ALZ265-081000- /O.CON.KMOB.RP.S.0020.000000T0000Z-210709T0000Z/ Mobile Coastal- 701 PM CDT Wed Jul 7 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...Dangerous rip currents. * WHERE...Mobile Coastal County. * WHEN...Through Thursday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 9:26 PM CDT | Rip Current Statement | MOB | Escambia, Okaloosa, Santa Rosa | 62 hr |
| Jul 6, 5:24 AM CDT | Areal Flood Advisory | MOB | Okaloosa, Santa Rosa | 4 hr |
| Jul 6, 7:02 AM CDT | Areal Flood Advisory | MOB | Escambia | 4 hr |
| Jul 6, 7:54 AM CDT | Flash Flood Warning | MOB | Escambia | 5 hr |
| Jul 6, 6:12 PM CDT | Areal Flood Advisory | MOB | Okaloosa | 3 hr |
| Jul 6, 4:11 AM CDT | Areal Flood Advisory | MOB | Mobile | 3 hr |
| Jul 6, 4:22 AM CDT | Areal Flood Advisory | MOB | Baldwin | 3 hr |
| Jul 6, 8:22 AM CDT | Special Marine Warning | MOB | 65 min | |
| Jul 6, 12:19 PM CDT | Special Marine Warning | MOB | 62 min |
Nearby
High Surf Advisories in Florida, 2021High Surf Advisories in Alabama, 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.