Alert archive / Florida / Rip Current Statements in 2017
Rip Current Statement 31, NWS Melbourne, FL
NWS Melbourne, FL issued this rip current statement at Sep 23, 2017, 4:47 AM EDT for Volusia County, Florida. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Sep 23, 2017, 4:47 AM EDT (08:47 UTC)
- Expired
- Sep 23, 2017, 8:15 PM EDT
- In force
- 15 hr
- Issued by
- NWS Melbourne, FL
County Volusia County, FL
The radar
The Melbourne radar (KMLB), 116 km from the middle of the area, began a volume at 08:47 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
Cape Canaveral, FL (KXMR), launched 00:00Z, 8.8 hours before the alert went out and 91 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
- 428 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- -69 m²/s²
- 0-3 km storm-relative helicity
- -5 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -1.0
The text
As transmitted.
894 WHUS42 KMLB 230847 CFWMLB COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 447 AM EDT SAT SEP 23 2017 ...LONG PERIOD SWELLS FROM HURRICANE MARIA WILL PRODUCE HAZARDOUS BEACH CONDITIONS THIS WEEKEND... HURRICANE MARIA IS FORECAST TO MOVE NORTHWARD WELL EAST OF, AND PARALLEL TO, FLORIDA'S ATLANTIC COAST THIS WEEKEND. MARIA WILL CAUSE THE WINDS AND SEAS TO BECOME ELEVATED ACROSS THE COASTAL WATERS WHILE ALSO CAUSING LONG PERIOD SWELLS TO PROPAGATE TOWARD THE EAST CENTRAL FLORIDA SHORELINE. THIS WILL MAKE FOR HAZARDOUS BEACH AND BOATING CONDITIONS. THE RISK FOR RIP CURRENTS WILL BE HIGH, AND SURF WILL BECOME VERY ROUGH. FLZ047-054-059-064-141-147-250800- /O.NEW.KMLB.SU.Y.0004.170923T1800Z-170925T0800Z/ /O.NEW.KMLB.RP.S.0031.170923T0847Z-170924T0300Z/ SOUTHERN BREVARD COUNTY-INDIAN RIVER-ST. LUCIE-MARTIN- COASTAL VOLUSIA COUNTY-NORTHERN BREVARD COUNTY- 447 AM EDT SAT SEP 23 2017 ...HIGH RIP CURRENT RISK IN EFFECT THROUGH THIS EVENING... ...HIGH SURF ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 4 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A HIGH SURF ADVISORY, WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 4 AM EDT MONDAY. A HIGH RIP CURRENT RISK HAS ALSO BEEN ISSUED. THIS HIGH RIP CURRENT RISK IS IN EFFECT THROUGH THIS EVENING. * WAVES AND SURF...SEAS WITHIN THE NEARSHORE WATERS WILL BUILD TO 5-7 FEET THIS AFTERNOON, 6-9 FEET TONIGHT, AND 8-11 FEET ON SUNDAY. LARGE BREAKING WAVES AND LONG PERIOD SWELLS WILL MOVE LARGE VOLUMES OF WATER ONTO THE BEACHES. * TIMING...CONDITIONS WILL DETERIORATE STARTING THIS AFTERNOON AND REMAIN HAZARDOUS THROUGH THE WEEKEND. MINOR TO LOCALLY MODERATE BEACH EROSION MAY OCCUR NEAR THE TIMES OF HIGH TIDE ROUGHLY BETWEEN 10 PM TO 2 AM TONIGHT, 10 AM TO 2 PM TOMORROW, AND AGAIN 10 PM TO 2 AM TOMORROW NIGHT ALONG THE EAST CENTRAL FLORIDA COASTLINE. * IMPACTS...LARGE BREAKING WAVES WILL MAKE SWIMMING INCREASINGLY DIFFICULT AND DANGEROUS. NUMEROUS RIP CURRENTS WILL LIKELY FORM, AND ESPECIALLY DURING THE TIMES OF THE OUTGOING TIDE. POUNDING SURF CAN EASILY KNOCK YOU OFF OF YOUR FEET IF WALKING IN THE SURF. ROUGH SURF MAY CAUSE ADDITIONAL EROSION, ESPECIALLY IN PLACES WEAKENED BY RECENT HURRICANE IRMA AND LAST SEASON'S HURRICANE MATTHEW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND DANGEROUS SWIMMING CONDITIONS. THERE IS A HIGH RISK OF RIP CURRENTS. RIP CURRENTS ARE POWERFUL CHANNELS OF WATER FLOWING QUICKLY AWAY FROM SHORE, WHICH OCCUR MOST OFTEN AT LOW SPOTS OR BREAKS IN THE SANDBAR AND IN THE VICINITY OF STRUCTURES SUCH AS JETTIES AND PIERS. HEED THE ADVICE OF LIFEGUARDS...BEACH PATROL FLAGS AND SIGNS. && $$
1 follow-up statement
685 WHUS42 KMLB 240015 CFWMLB COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE MELBOURNE FL 815 PM EDT SAT SEP 23 2017 ...LONG PERIOD SWELLS FROM HURRICANE MARIA WILL PRODUCE HAZARDOUS BEACH CONDITIONS THIS WEEKEND... HURRICANE MARIA IS FORECAST TO MOVE NORTHWARD WELL EAST OF, AND PARALLEL TO, FLORIDA'S ATLANTIC COAST THIS WEEKEND. MARIA WILL CAUSE THE WINDS AND SEAS TO BECOME ELEVATED ACROSS THE COASTAL WATERS WHILE ALSO CAUSING LONG PERIOD SWELLS TO PROPAGATE TOWARD THE EAST CENTRAL FLORIDA SHORELINE. THIS WILL MAKE FOR HAZARDOUS BEACH AND BOATING CONDITIONS. THE RISK FOR RIP CURRENTS WILL BE HIGH, AND SURF WILL BECOME VERY ROUGH. FLZ047-054-059-064-141-147-240900- /O.CAN.KMLB.RP.S.0031.000000T0000Z-170924T0300Z/ /O.CON.KMLB.SU.Y.0004.000000T0000Z-170925T0800Z/ SOUTHERN BREVARD COUNTY-INDIAN RIVER-ST. LUCIE-MARTIN- COASTAL VOLUSIA COUNTY-NORTHERN BREVARD COUNTY- 815 PM EDT SAT SEP 23 2017 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT MONDAY... THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS CANCELLED THE HIGH RIP CURRENT RISK. * WAVES AND SURF...SEAS WITHIN THE NEAR SHORE WATERS WILL BUILD TO 6-9 FEET OVERNIGHT, AND 8-10 FEET ON SUNDAY. LARGE BREAKING WAVES AND LONG PERIOD SWELLS WILL MOVE LARGE VOLUMES OF WATER ONTO THE BEACHES. * TIMING...CONDITIONS WILL CONTINUE TO DETERIORATE AND REMAIN HAZARDOUS THROUGH THE WEEKEND. MINOR TO LOCALLY MODERATE BEACH EROSION MAY OCCUR NEAR THE TIMES OF HIGH TIDE ROUGHLY BETWEEN 10 PM TO 2 AM TONIGHT, 10 AM TO 2 PM ON SUNDAY, AND AGAIN 10 PM TO 2 AM SUNDAY NIGHT ALONG THE EAST CENTRAL FLORIDA COASTLINE. * IMPACTS...LARGE BREAKING WAVES WILL MAKE SWIMMING INCREASINGLY DIFFICULT AND DANGEROUS. NUMEROUS RIP CURRENTS WILL LIKELY FORM, AND ESPECIALLY DURING THE TIMES OF THE OUTGOING TIDE. POUNDING SURF CAN EASILY KNOCK YOU OFF OF YOUR FEET IF WALKING IN THE SURF. ROUGH SURF MAY CAUSE ADDITIONAL EROSION, ESPECIALLY IN PLACES WEAKENED BY RECENT HURRICANE IRMA AND LAST SEASON'S HURRICANE MATTHEW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH SURF ADVISORY MEANS THAT HIGH SURF WILL AFFECT BEACHES IN THE ADVISORY AREA...PRODUCING LOCALIZED BEACH EROSION AND DANGEROUS SWIMMING CONDITIONS. && $$ SEDLOCK
The office that day
Everything else NWS Melbourne, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 23, 4:47 AM EDT | High Surf Advisory | MLB | Volusia | 65 hr |
Nearby
Rip Current Statements in Florida, 2017Every rip current statement in 2017
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.