Alert archive / Florida / High Surf Advisories in 2021
High Surf Advisory 1, NWS Miami, FL
NWS Miami, FL issued this high surf advisory at Jan 29, 2021, 2:59 PM EST for Palm Beach County, Florida. It took effect at Jan 29, 2021, 7:00 PM EST. It was in force for 39 hr.
The area
The counties it named.
The facts
- Issued
- Jan 29, 2021, 2:59 PM EST (19:59 UTC)
- In effect from
- Jan 29, 2021, 7:00 PM EST
- Expired
- Jan 31, 2021, 10:00 AM EST
- In force
- 39 hr
- Issued by
- NWS Miami, FL
County Palm Beach County, FL
The radar
The Miami radar (KAMX), 115 km from the middle of the area, began a volume at 20:01 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
Miami, FL (KMFL), launched 12:00Z, 8.0 hours before the alert went out and 93 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
- 1010 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -58 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
237 WHUS42 KMFL 291959 CFWMFL Coastal Hazard Message National Weather Service Miami FL 259 PM EST Fri Jan 29 2021 FLZ168-300730- /O.NEW.KMFL.SU.Y.0001.210130T0000Z-210131T0000Z/ /O.CON.KMFL.RP.S.0005.000000T0000Z-210201T0000Z/ Coastal Palm Beach- 259 PM EST Fri Jan 29 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... ...HIGH SURF ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 PM EST SATURDAY... * WHAT...For the High Surf Advisory, large breaking waves of 5 to 7 feet expected in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Palm Beach County. * WHEN...For the High Surf Advisory, from 7 PM this evening to 7 PM EST Saturday. For the High Rip Current Risk, through Sunday 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. && $$ FLZ172-173-300730- /O.CON.KMFL.RP.S.0005.000000T0000Z-210201T0000Z/ Coastal Broward-Coastal Miami-Dade- 259 PM EST Fri Jan 29 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... * WHAT...Dangerous rip currents. * WHERE...Coastal Broward and Coastal Miami-Dade Counties. * WHEN...Through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
5 follow-up statements
790 WHUS42 KMFL 300739 CFWMFL Coastal Hazard Message National Weather Service Miami FL 239 AM EST Sat Jan 30 2021 FLZ168-301545- /O.CON.KMFL.SU.Y.0001.000000T0000Z-210131T0000Z/ /O.CON.KMFL.RP.S.0005.000000T0000Z-210201T0000Z/ Coastal Palm Beach- 239 AM EST Sat Jan 30 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 7 PM EST THIS EVENING... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... * WHAT...For the High Surf Advisory, large breaking waves of 5 to 7 feet expected in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Palm Beach County. * WHEN...For the High Surf Advisory, through 7 PM EST this evening. For the High Rip Current Risk, through Sunday 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. && $$ FLZ172-173-301545- /O.CON.KMFL.RP.S.0005.000000T0000Z-210201T0000Z/ Coastal Broward-Coastal Miami-Dade- 239 AM EST Sat Jan 30 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... * WHAT...Dangerous rip currents. * WHERE...Coastal Broward and Coastal Miami-Dade Counties. * WHEN...Through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
833 WHUS42 KMFL 301353 CFWMFL Coastal Hazard Message National Weather Service Miami FL 853 AM EST Sat Jan 30 2021 FLZ168-302200- /O.EXT.KMFL.SU.Y.0001.000000T0000Z-210131T1500Z/ /O.CON.KMFL.RP.S.0005.000000T0000Z-210201T0000Z/ Coastal Palm Beach- 853 AM EST Sat Jan 30 2021 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 10 AM EST SUNDAY... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... * WHAT...For the High Surf Advisory, large breaking waves of 5 to 7 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Palm Beach County. * WHEN...For the High Surf Advisory, until 10 AM EST Sunday. For the High Rip Current Risk, through Sunday 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. && $$ FLZ172-173-302200- /O.CON.KMFL.RP.S.0005.000000T0000Z-210201T0000Z/ Coastal Broward-Coastal Miami-Dade- 853 AM EST Sat Jan 30 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... * WHAT...Dangerous rip currents. * WHERE...Coastal Broward and Coastal Miami-Dade Counties. * WHEN...Through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$ FELL
250 WHUS42 KMFL 302101 CFWMFL Coastal Hazard Message National Weather Service Miami FL 401 PM EST Sat Jan 30 2021 FLZ168-310515- /O.CON.KMFL.SU.Y.0001.000000T0000Z-210131T1500Z/ /O.CON.KMFL.RP.S.0005.000000T0000Z-210201T0000Z/ Coastal Palm Beach- 401 PM EST Sat Jan 30 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST SUNDAY... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... * WHAT...For the High Surf Advisory, large breaking waves of 5 to 7 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Palm Beach County. * WHEN...For the High Surf Advisory, until 10 AM EST Sunday. For the High Rip Current Risk, through Sunday 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. && $$ FLZ172-173-310515- /O.CON.KMFL.RP.S.0005.000000T0000Z-210201T0000Z/ Coastal Broward-Coastal Miami-Dade- 401 PM EST Sat Jan 30 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH SUNDAY EVENING... * WHAT...Dangerous rip currents. * WHERE...Coastal Broward and Coastal Miami-Dade Counties. * WHEN...Through Sunday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
299 WHUS42 KMFL 310844 CFWMFL Coastal Hazard Message National Weather Service Miami FL 344 AM EST Sun Jan 31 2021 FLZ168-311645- /O.CON.KMFL.SU.Y.0001.000000T0000Z-210131T1500Z/ /O.CON.KMFL.RP.S.0005.000000T0000Z-210201T0000Z/ Coastal Palm Beach- 344 AM EST Sun Jan 31 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...For the High Surf Advisory, large breaking waves of 5 to 7 feet in the surf zone. For the High Rip Current Risk, dangerous rip currents. * WHERE...Coastal Palm Beach County. * WHEN...For the High Surf Advisory, until 10 AM EST today. For the High Rip Current Risk, through this 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. && $$ FLZ172-173-311645- /O.CON.KMFL.RP.S.0005.000000T0000Z-210201T0000Z/ Coastal Broward-Coastal Miami-Dade- 344 AM EST Sun Jan 31 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...Dangerous rip currents. * WHERE...Coastal Broward and Coastal Miami-Dade Counties. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
613 WHUS42 KMFL 311500 CFWMFL Coastal Hazard Message National Weather Service Miami FL 1000 AM EST Sun Jan 31 2021 FLZ168-312300- /O.EXP.KMFL.SU.Y.0001.000000T0000Z-210131T1500Z/ /O.EXT.KMFL.RP.S.0005.000000T0000Z-210202T0000Z/ Coastal Palm Beach- 1000 AM EST Sun Jan 31 2021 ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH MONDAY EVENING... ...HIGH SURF ADVISORY HAS EXPIRED... * WHAT...Dangerous rip currents. * WHERE...Coastal Palm Beach County. * WHEN...Through Monday 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. && $$ FLZ172-173-312300- /O.EXT.KMFL.RP.S.0005.000000T0000Z-210202T0000Z/ Coastal Broward-Coastal Miami-Dade- 1000 AM EST Sun Jan 31 2021 ...HIGH RIP CURRENT RISK NOW IN EFFECT THROUGH MONDAY EVENING... * WHAT...Dangerous rip currents. * WHERE...Coastal Broward and Coastal Miami-Dade Counties. * WHEN...Through Monday evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$ FELL
The office that day
Everything else NWS Miami, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 29, 2:23 AM EST | Rip Current Statement | MFL | Broward, Collier, Miami-Dade, Palm Beach | 5 days |
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.