Alert archive / Florida / Rip Current Statements in 2021
Rip Current Statement 26, NWS Jacksonville, FL
NWS Jacksonville, FL issued this rip current statement at Oct 17, 2021, 2:43 AM EDT for Duval County, Flagler County, Nassau County, Florida. It took effect at Oct 17, 2021, 8:00 AM EDT. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Oct 17, 2021, 2:43 AM EDT (06:43 UTC)
- In effect from
- Oct 17, 2021, 8:00 AM EDT
- Expired
- Oct 17, 2021, 7:11 PM EDT
- In force
- 11 hr
- Issued by
- NWS Jacksonville, FL
Counties Duval County, FL, Flagler County, FL, Nassau County, FL
The radar
The Jacksonville radar (KJAX), 40 km from the middle of the area, began a volume at 06:44 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
Jacksonville, FL (KJAX), launched 00:00Z, 6.7 hours before the alert went out and 42 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
- 457 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1323 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted.
997 WHUS42 KJAX 170643 CFWJAX Coastal Hazard Message National Weather Service Jacksonville FL 243 AM EDT Sun Oct 17 2021 FLZ124-125-133-138-180000- /O.NEW.KJAX.RP.S.0026.211017T1200Z-211018T0000Z/ Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler- 243 AM EDT Sun Oct 17 2021 ...HIGH RIP CURRENT RISK IN EFFECT FROM 8 AM EDT THIS MORNING THROUGH THIS EVENING... * WHAT...Dangerous rip currents expected. * WHERE...Northeast Florida Beaches. * WHEN...From 8 AM EDT this morning 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. && $$
2 follow-up statements
397 WHUS42 KJAX 171248 CFWJAX Coastal Hazard Message National Weather Service Jacksonville FL 848 AM EDT Sun Oct 17 2021 FLZ124-125-133-138-180000- /O.CON.KJAX.RP.S.0026.000000T0000Z-211018T0000Z/ Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler- 848 AM EDT Sun Oct 17 2021 ...HIGH RIP CURRENT RISK REMAINS IN EFFECT UNTIL 8 PM EDT THIS EVENING... * WHAT...Dangerous rip currents and rough surf. * WHERE...Northeast Florida Beaches. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. PRECAUTIONARY/PREPAREDNESS ACTIONS... Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help. && $$
402 WHUS42 KJAX 172311 CFWJAX Coastal Hazard Message National Weather Service Jacksonville FL 711 PM EDT Sun Oct 17 2021 FLZ124-125-133-138-180015- /O.CAN.KJAX.RP.S.0026.000000T0000Z-211018T0000Z/ Coastal Nassau-Coastal Duval-Coastal St. Johns-Coastal Flagler- 711 PM EDT Sun Oct 17 2021 ...HIGH RIP CURRENT RISK IS CANCELLED... $$
Nearby
Rip Current Statements in Florida, 2021Every rip current statement 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.