Wednesday, September 19, 2018

Forecast Discussion

Fair weather expected throughout the day today, however a weakened tradewind flow will allow for sea breeze to enhance cloud developoment in the afternoon.  A moist airmass approaching the state from the east will increase probability of showers tomorrow through the weekend.  
Hawaii IR Satellite Loop
Barking Sands Observations
Fleet Numerical Models
Kauai Radar

At Barking Sands today, fair weather expected.
Cloud Cover:
AM:  Partly Cloudy
PM:  Partly Cloudy to Mostly Cloudy

AM: Fair
PM: Fair

AM: E 5-10kt
PM: SW 08-13G18kt
High: 85°F/29°C
Low: 71°F/22°C
Sea:  80°F/27°C

Sea State (Northern BARSTUR):
Wind Waves: E 5-8ft
Swell: NE 4-6ft 13s
Combined: ENE 7-10ft

Near Shore Forecast Extending From Coastline Out To 2 Miles:

North of Nohili Point:
AM: NE 5-10kt 
PM: NE 10-15t
Combined:  NE 4-6ft

South of Nohili Point:
AM: E 03-08kt
PM: NW 08-13kt
NE 4-6ft 

Fleet Numerical WW3 Ocean Prediction Model
Hawaii Buoy Reports
NOAA Hawaii Tidal Data
Tidal Data for Waimea Bay, Kauai
Hawaii NOTMARs

Thunderstorm Potential Today:

Thunderstorm Potential Outlook (72hr):

***Although the forecast may not indicate, it should be understood that Thunderstorm activity could produce strong and gusty winds, heavy precipitation, lightning, hail, and flash flooding; along with severe turbulence and icing for aircraft operating within the vicinity.

Swell and Surf:
Surf at Barking Sands will be below waist high today.

Aviation Weather (PHBK):
AM: SCT050  
PM: FEW030 SCT050
Surface Winds
AM: 07005kt
PM: 31015G20kt
Visibility: 7sm
Flight Level Winds (kt)/Temperatures (°C)
010: 09010/22
030: 09005/19
050: 11005/16
100: 17005/10
150: 18010/03
200: 22015/M12
250: 22015/M17
300: 27020/M34
Cloud Bases: 2,000ft
Min Ceiling: 5,000ft
Max Low Cloud Tops: 7,000ft
Freezing level: 15,500ft
Turbulence: NONE
Icing: NONE
Min Altimeter: 29.90
Max DA: 800ft
Max PA: 40ft

NOAA Aviation Weather Center
Look up TAFs/METARs

Pilots, please call the office anytime to file a DD FORM-175-1. For each request, the following information will be needed: (1) Date of Flight; (2) Aircraft Type/Number/Call Sign; (3) Departure Point and Time; (4) Flight Level; (5) Destination(s)/Alternates (in case destination field is below minimums); (6) Time of arrival; (7) Name of Pilot Receiving Brief.

48hr Weather Outlook: Thursday
Skies: Partly Cloudy
Weather:  Possible Isolated Rainshowers
Winds: NW 8-13G18kt

72hr Weather Outlook: Friday
Skies: Partly Cloudy
Weather: Possible Isolated Rainshowers
Winds: NW 8-13G18kt

The next forecast will be issued on Thursday, September 20, 2018.

Additional METOC Links:

National Weather Service Honolulu
Central Pacific Hurricane Center
National Hurricane Center
Pacific Tsunami Warning Center