Coastal Flood Statement — Southern Nassau, NY 7:00 PM

North Valley Stream, New York

Last updated: 10:09 PM CDT  ·  Refresh
16°C
Feels like 11°
Mostly Cloudy
▲ 19°  /  ▼ 14°
Wind
12 mph NE
Humidity
64%
Dew Point
9°
Pressure
30.31 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
68%
Sunrise
6:42 AM
Sunset
6:51 PM
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WeatherAI™ Analysis

WeatherAI Analysis: North Valley Stream is currently mostly cloudy at 15°C. Dry conditions are expected through the next 24 hours. Sunrise: 6:42AM · Sunset: 6:51PM.

Alerts

Coastal Flood Statement
Southern Nassau, NY
Expires 7:00 PM
26 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
16°
3%
12 AM
15°
21%
1 AM
14°
21%
2 AM
14°
3%
3 AM
14°
3%
4 AM
14°
3%
5 AM
14°
3%
6 AM
14°
3%
7 AM
14°
3%
8 AM
14°
3%
9 AM
15°
3%
10 AM
16°
3%
11 AM
17°
3%
12 PM
17°
3%
1 PM
18°
3%
2 PM
18°
3%
3 PM
18°
3%
4 PM
18°
3%
5 PM
19°
3%
6 PM
19°
3%
7 PM
18°
3%
8 PM
18°
3%
9 PM
17°
3%
10 PM
16°
3%
7-Day Forecast
Tonight
19° 14°
Mostly Cloudy.
Wed
19° 14°
Mostly Cloudy.
Thu
18° 13°
Overcast with a 40% chance of rain.
Fri
19° 13°
Rain, 68% chance.
Sat
19° 14°
Rain, 90% chance.
Sun
21° 15°
Rain, 81% chance.
Mon
22° 17°
Drizzle, 43% chance.
TimeTempConditionsPrecipWindHumidity
Now 16° Mostly Cloudy 3% 12 mph NE 64%
12 AM 15° Mostly Cloudy 21% 11 mph NE 66%
1 AM 14° Partly Cloudy 21% 11 mph NE 66%
2 AM 14° Partly Cloudy 3% 10 mph NE 66%
3 AM 14° Mostly Cloudy 3% 11 mph NE 69%
4 AM 14° Overcast 3% 11 mph NE 71%
5 AM 14° Overcast 3% 11 mph NE 72%
6 AM 14° Overcast 3% 12 mph NE 70%
7 AM 14° Overcast 3% 12 mph NE 68%
8 AM 14° Overcast 3% 14 mph NE 66%
9 AM 15° Overcast 3% 16 mph NE 64%
10 AM 16° Overcast 3% 17 mph NE 61%
11 AM 17° Overcast 3% 17 mph NE 58%
12 PM 17° Mostly Cloudy 3% 17 mph NE 54%
1 PM 18° Mostly Cloudy 3% 17 mph NE 50%
2 PM 18° Mostly Cloudy 3% 18 mph NE 51%
3 PM 18° Mostly Cloudy 3% 18 mph NE 50%
4 PM 18° Mostly Cloudy 3% 18 mph NE 50%
5 PM 19° Partly Cloudy 3% 18 mph NE 50%
6 PM 19° Partly Cloudy 3% 18 mph NE 52%
7 PM 18° Mostly Cloudy 3% 17 mph NE 53%
8 PM 18° Mostly Cloudy 3% 17 mph NE 55%
9 PM 17° Mostly Cloudy 3% 17 mph NE 58%
10 PM 16° Partly Cloudy 3% 17 mph NE 61%
15-Day Forecast
Today
9/22
Mostly Cloudy
3%
14°
19°
Wed
9/23
Mostly Cloudy
3%
14°
19°
Thu
9/24
Overcast
40%
13°
18°
Fri
9/25
Rain
68%
13°
19°
Sat
9/26
Rain
90%
14°
19°
Sun
9/27
Rain
81%
15°
21°
Mon
9/28
Drizzle
43%
17°
22°
Tue
9/29
Clear
3%
18°
24°
Wed
9/30
Drizzle
43%
19°
24°
Thu
10/1
Rain
68%
19°
24°
Fri
10/2
Drizzle
60%
18°
26°
Sat
10/3
Drizzle
60%
17°
26°
Sun
10/4
Drizzle
60%
18°
22°
Mon
10/5
Drizzle
60%
16°
21°
Tue
10/6
Drizzle
60%
15°
20°
26
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
11 AQI 2.0 µg/m³
O3
Ground-level ozone
Dominant
26 AQI 29 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 26 Good 26 11
Thu 27 Good 27 8
Fri 36 Good 36 13
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
RAP
Valid Wed Sep 23, 01:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 80 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE0 J/kg
MLCAPE7 J/kg
MUCAPE12 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index15.6
Kinematics
0–6 km Shear35 kt
0–1 km Shear13 kt
Eff. Shear—
0–1 km SRH-58
0–3 km SRH17
Eff. SRH—
Storm Motion351° @ 20 kt
0–1 km EHI-0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index4.5
Thermo & Levels
PWAT0.90 in
0–3 km LR3.6 °C/km
700–500 LR4.9 °C/km
Total Totals26.2
LCL929 hPa
LFC1026 hPa
EL1026 hPa
Freezing Lvl13,186 ft