Small Craft Advisory — Sumner Strait, PK 8:00 AM

Sumner Strait 2000840 Trail, Unorganized Borough, Alaska, United States

Last updated: 8:31 PM CDT  ·  Refresh
49°F
Feels like 44°
Rain
▲ 49°  /  ▼ 48°
Wind
15 mph SE
Humidity
86%
Dew Point
45°
Pressure
29.44 inHg
Visibility
—
UV Index
3.1
Cloud Cover
—
Sunrise
6:37 AM
Sunset
6:52 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Sumner Strait 2000840 Trail is currently rain at 49°F. Precipitation is likely — peak probability 90% around 5 PM. Sunrise: 6:37AM · Sunset: 6:52PM.

Alerts

Small Craft Advisory
Sumner Strait, PK
Expires 8:00 AM
28 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
49°
90%
6 PM
49°
5%
7 PM
49°
5%
8 PM
48°
5%
9 PM
48°
5%
10 PM
48°
5%
11 PM
48°
5%
12 AM
48°
5%
1 AM
48°
5%
2 AM
48°
5%
3 AM
48°
5%
4 AM
48°
5%
5 AM
48°
5%
6 AM
48°
5%
7 AM
48°
5%
8 AM
48°
5%
9 AM
48°
5%
10 AM
48°
5%
11 AM
48°
5%
12 PM
48°
5%
1 PM
48°
5%
2 PM
49°
5%
3 PM
49°
5%
4 PM
49°
5%
7-Day Forecast
Today
49° 48°
Rain, 90% chance.
Wed
49° 48°
Clear.
Thu
50° 49°
Clear.
Fri
51° 48°
Clear.
Sat
50° 49°
Clear.
Sun
50° 49°
Clear.
Mon
49° 48°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 49° Rain 90% 15 mph SE 86%
6 PM 49° Clear 5% 15 mph SE 86%
7 PM 49° Clear 5% 14 mph SE 85%
8 PM 48° Clear 5% 14 mph SE 85%
9 PM 48° Clear 5% 14 mph SE 84%
10 PM 48° Clear 5% 14 mph SE 84%
11 PM 48° Clear 5% 14 mph SE 84%
12 AM 48° Clear 5% 14 mph SE 84%
1 AM 48° Clear 5% 14 mph SE 84%
2 AM 48° Clear 5% 13 mph SE 84%
3 AM 48° Clear 5% 13 mph SE 85%
4 AM 48° Clear 5% 13 mph SE 85%
5 AM 48° Clear 5% 13 mph SE 84%
6 AM 48° Clear 5% 13 mph SE 84%
7 AM 48° Clear 5% 13 mph SE 84%
8 AM 48° Clear 5% 13 mph SE 84%
9 AM 48° Clear 5% 13 mph ESE 84%
10 AM 48° Clear 5% 12 mph ESE 83%
11 AM 48° Clear 5% 12 mph ESE 83%
12 PM 48° Clear 5% 12 mph ESE 83%
1 PM 48° Clear 5% 12 mph ESE 83%
2 PM 49° Clear 5% 12 mph ESE 83%
3 PM 49° Clear 5% 12 mph ESE 83%
4 PM 49° Clear 5% 12 mph ESE 83%
10-Day Forecast
Today
9/22
Rain
90%
48°
49°
Wed
9/23
Clear
5%
48°
49°
Thu
9/24
Clear
5%
49°
50°
Fri
9/25
Clear
5%
48°
51°
Sat
9/26
Clear
5%
49°
50°
Sun
9/27
Clear
5%
49°
50°
Mon
9/28
Clear
5%
48°
49°
Tue
9/29
Clear
5%
47°
48°
Wed
9/30
Clear
5%
47°
47°
Thu
10/1
Clear
5%
47°
50°
28
Good
U.S. Air Quality Index · Dominant: O3
50 100 150 200

Air quality is satisfactory and poses little or no health risk.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
9 AQI 1.7 µg/m³
O3
Ground-level ozone
Dominant
28 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 28 Good 28 9
Thu 28 Good 28 8
Fri 29 Good 29 6
About the Air Quality Index
0–50 Good
51–100 Moderate
101–150 Unhealthy for Sensitive Groups
151–200 Unhealthy
201–300 Very Unhealthy
301–500 Hazardous

The U.S. AQI runs 0–500. The overall value equals the highest individual pollutant sub-index, and the dominant pollutant is the one driving it. PM2.5 (fine particles) is reported in µg/m³ and ozone (O3) in ppb. Forecast source: NWS NAQFC.

1000850700500400300250200150100 -40-30-20-10010203040 0.41247101624 LCLLFCEL0°C Temperature (°C) Pressure (hPa)
Temp Dewpoint Parcel (SB) CAPE CIN Dry adiabat Moist adiabat Mixing ratio
GFS
Valid Tue Sep 22, 18:00'Z' · F0 · 3 (global 1°)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE52 J/kg
MLCAPE52 J/kg
MUCAPE52 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index0.5
Kinematics
0–6 km Shear24 kt
0–1 km Shear18 kt
Eff. Shear—
0–1 km SRH83
0–3 km SRH135
Eff. SRH—
Storm Motion212° @ 27 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index27.2
Thermo & Levels
PWAT0.69 in
0–3 km LR6.7 °C/km
700–500 LR7.4 °C/km
Total Totals55.9
LCL964 hPa
LFC997 hPa
EL640 hPa
Freezing Lvl4,380 ft