Alert archive / Maine / High Surf Advisories in 2021

High Surf Advisory 2, NWS Caribou, ME

August 22, 2021Hancock County, Washington County, Maine

NWS Caribou, ME issued this high surf advisory at Aug 22, 2021, 3:54 AM EDT for Hancock County, Washington County, Maine. It took effect at Aug 22, 2021, 12:00 PM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Aug 22, 2021, 3:54 AM EDT (07:54 UTC)
In effect from
Aug 22, 2021, 12:00 PM EDT
Expired
Aug 23, 2021, 2:14 AM EDT
In force
14 hr
Issued by
NWS Caribou, ME

Counties Hancock County, ME, Washington County, ME

The radar

The Caribou radar (KCBW), 142 km from the middle of the area, began a volume at 07:54 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

Gray, ME (KGYX), launched 00:00Z, 7.9 hours before the alert went out and 205 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.

Skew-T log-pSkew-T log-p diagram, Gray, ME at 00:00Z on 2021-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Gray, ME at 00:00Z on 2021-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 4 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
523 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
4 m²/s²
0-3 km storm-relative helicity
62 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

154 
WHUS41 KCAR 220754
CFWCAR

Coastal Hazard Message
National Weather Service Caribou ME
354 AM EDT Sun Aug 22 2021

MEZ029-030-221600-
/O.NEW.KCAR.SU.Y.0002.210822T1600Z-210823T1200Z/
Coastal Hancock-Coastal Washington-
354 AM EDT Sun Aug 22 2021

...HIGH SURF ADVISORY IN EFFECT FROM NOON TODAY TO 8 AM EDT
MONDAY...

* WHAT...Large breaking waves of 4 to 6 feet expected in the surf
  zone.

* WHERE...Coastal Hancock and Coastal Washington Counties.

* WHEN...From noon today to 8 AM EDT Monday.

* IMPACTS...High dangerous surf and strong rip currents will 
  make for hazardous surf conditions. Large waves can present a 
  danger to people on rocks above the water. Stay away from rock 
  outcrops along the shoreline exposed to ocean waves, as waves 
  can easily sweep people into the cold ocean water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A high surf advisory means that high surf will affect beaches in
the advisory area...producing rip currents and localized beach
erosion.

&&

$$
4 follow-up statements
034 
WHUS41 KCAR 221116
CFWCAR

Coastal Hazard Message
National Weather Service Caribou ME
716 AM EDT Sun Aug 22 2021

MEZ029-030-221930-
/O.CON.KCAR.SU.Y.0002.210822T1600Z-210823T1200Z/
Coastal Hancock-Coastal Washington-
716 AM EDT Sun Aug 22 2021

...HIGH SURF ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 8 AM
EDT MONDAY...

* WHAT...Large breaking waves of 4 to 6 feet expected in the 
  surf zone.

* WHERE...Coastal Hancock and Coastal Washington Counties.

* WHEN...From noon today to 8 AM EDT Monday.

* IMPACTS...High dangerous surf and strong rip currents will 
  make for hazardous surf conditions. Large waves can present a 
  danger to people on rocks above the water. Stay away from rock 
  outcrops along the shoreline exposed to ocean waves, as waves 
  can easily sweep people into the cold ocean water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A high surf advisory means that high surf will affect beaches in
the advisory area...producing rip currents and localized beach
erosion.

&&

$$
553 
WHUS41 KCAR 221904
CFWCAR

Coastal Hazard Message
National Weather Service Caribou ME
304 PM EDT Sun Aug 22 2021

MEZ029-030-230415-
/O.CON.KCAR.SU.Y.0002.000000T0000Z-210823T1200Z/
Coastal Hancock-Coastal Washington-
304 PM EDT Sun Aug 22 2021

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...Large breaking waves of 4 to 6 feet in the surf zone.

* WHERE...Coastal Washington and Coastal Hancock Counties.

* WHEN...Until 8 AM EDT Monday.

* IMPACTS...High dangerous surf and strong rip currents will 
  make for hazardous surf conditions. Large waves can present a 
  danger to people on rocks above the water. Stay away from rock 
  outcrops along the shoreline exposed to ocean waves, as waves 
  can easily sweep people into the cold ocean water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A high surf advisory means that high surf will affect beaches in
the advisory area...producing rip currents and localized beach
erosion.

&&

$$
772 
WHUS41 KCAR 230212
CFWCAR

Coastal Hazard Message
National Weather Service Caribou ME
1012 PM EDT Sun Aug 22 2021

MEZ029-030-231015-
/O.CON.KCAR.SU.Y.0002.000000T0000Z-210823T1200Z/
Coastal Hancock-Coastal Washington-
1012 PM EDT Sun Aug 22 2021

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT MONDAY...

* WHAT...Large breaking waves of 4 to 6 feet in the surf zone.

* WHERE...Coastal Washington and Coastal Hancock Counties.

* WHEN...Until 8 AM EDT Monday.

* IMPACTS...High dangerous surf and strong rip currents will 
  make for hazardous surf conditions. Large waves can present a 
  danger to people on rocks above the water. Stay away from rock 
  outcrops along the shoreline exposed to ocean waves, as waves 
  can easily sweep people into the cold ocean water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A high surf advisory means that high surf will affect beaches in
the advisory area...producing rip currents and localized beach
erosion.

&&

$$
105 
WHUS41 KCAR 230614
CFWCAR

Coastal Hazard Message
National Weather Service Caribou ME
214 AM EDT Mon Aug 23 2021

MEZ029-030-230715-
/O.CAN.KCAR.SU.Y.0002.000000T0000Z-210823T1200Z/
Coastal Hancock-Coastal Washington-
214 AM EDT Mon Aug 23 2021

...HIGH SURF ADVISORY IS CANCELLED...

Conditions have diminished therefore high surf is no longer 
expected.

$$

The office that day

Everything else NWS Caribou, ME issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 21, 8:40 PM EDTDense Fog AdvisoryCARHancock, Washington12 hr
Aug 21, 8:41 PM EDTSmall Craft AdvisoryCAR42 hr

Nearby

High Surf Advisories in Maine, 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.