Wednesday, June 28, 2017

Forecast Discussion

Tradewind flow associated with high pressure is dominating the weather over the state.  Trades will hold into the weekend. 

North Pacific Surface Analysis
Hawaii IR Satellite Loop
Barking Sands Observations
Fleet Numerical Models
Kauai Radar

At Barking Sands, winds will veer onshore with daytime heating. 

Sky Condition:
AM: Partly Cloudy
PM: Partly Cloudy

Weather: 
Fair
Winds:
AM: E 3-8kt
PM: NW 8-13kt

Temperatures:
High: 86°F/27°C
Low: 70°F/21°C
Sea:  78°F/23°C



Sea State (Northern BARSTUR):
Wind Waves: NE 5ft 12s
Swell:  Mixed: S 1ft 10S, N 2ft 9s
Combined: NW 5-6ft




Near Shore Forecast Extending From Coastline Out To 2 Miles:

North of Nohili Point:
Winds:
AM: E 3-8kt
PM: NW 8-13G18kt

Combined: NW 2-3ft

South of Nohili Point:
Winds:
AM: E 3-8kt
PM: NW 8-13kt
Combined: NW 2-3ft


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

Thunderstorm Potential Today:
NONE

Thunderstorm Potential Outlook (72hr):
NONE

***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 small.









Aviation Weather (PHBK):
Few Clouds
AM: FEW020 FEW-SCT050
PM: FEW-SCT020 SCT050
Weather:
AM: NONE
PM: NONE
Surface Winds
AM: 07003kt
PM: 31010kt
Visibility: 7sm
Flight Level Winds (kt)/Temperatures (°C)
010: 04018/22
030: 06020/17
050: 08020/15
100: 00514/11
150: 04016/3
200: 16506/M8
250: 04515/M19
300: 05534/M30
Cloud Bases: 2,000ft
Min Ceiling: 5,000ft
Max Low Cloud Tops: 8,000ft
Freezing level: 12,000ft
Turbulence: AIRMET TANGO TEMPO MOD TURB OVR S THRU W OF MOUNTAIN BLW 080
Icing:  NONE
Min Altimeter: 30.04
Max DA: 1590ft
Max PA: -80ft

NOAA Aviation Weather Center
Look up TAFs/METARs
NOTAMs

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 8-13kt

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

The next forecast will be issued on Thursday, June 29, 2017.

Additional METOC Links:

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