Severe Thunderstorm Watch 11:00 PM

York River, Gloucester County, Virginia, United States

Last updated: 10:36 PM CDT  ·  Refresh
27°C
Feels like 31°
Overcast
▲ 31°  /  ▼ 23°
Wind
14 mph SSW
Humidity
80%
Dew Point
24°
Pressure
29.78 inHg
Visibility
10 mi
UV Index
0.0
Cloud Cover
89%
Sunrise
6:02 AM
Sunset
8:23 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: York River is currently overcast at 27°C. Precipitation is likely — peak probability 90% around 12 AM. Atmospheric instability is elevated (CAPE up to 1597 J/kg) — isolated convective development possible. Sunrise: 6:02AM · Sunset: 8:23PM.

44 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
27°
82%
12 AM
27°
90%
1 AM
26°
90%
2 AM
25°
90%
3 AM
24°
90%
4 AM
24°
86%
5 AM
23°
72%
6 AM
23°
67%
7 AM
23°
62%
8 AM
24°
63%
9 AM
24°
68%
10 AM
24°
68%
11 AM
25°
90%
12 PM
26°
77%
1 PM
28°
85%
2 PM
28°
90%
3 PM
27°
85%
4 PM
27°
85%
5 PM
27°
85%
6 PM
27°
85%
7 PM
26°
85%
8 PM
26°
90%
9 PM
26°
90%
10 PM
26°
90%
7-Day Forecast
Tonight
31° 23°
Overcast with a 82% chance of rain.
Wed
29° 23°
Heavy Rain, 90% chance.
Thu
27° 19°
Partly Cloudy with a 80% chance of rain.
Fri
28° 20°
Mostly Clear with a 60% chance of rain.
Sat
26° 19°
Drizzle, 51% chance.
Sun
29° 19°
Rain, 70% chance.
Mon
33° 21°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 27° Overcast 82% 14 mph SSW 80%
12 AM 27° Rain 90% 12 mph SW 87%
1 AM 26° Heavy Rain 90% 11 mph SW 94%
2 AM 25° Overcast 90% 11 mph SW 95%
3 AM 24° Heavy Rain 90% 12 mph SW 93%
4 AM 24° Thunderstorm 86% 13 mph SW 91%
5 AM 23° Heavy Rain 72% 14 mph SW 89%
6 AM 23° Heavy Rain 67% 15 mph SW 88%
7 AM 23° Heavy Rain 62% 15 mph SW 88%
8 AM 24° Heavy Rain 63% 16 mph SW 87%
9 AM 24° Heavy Rain 68% 15 mph SW 84%
10 AM 24° Heavy Rain 68% 14 mph SW 82%
11 AM 25° Heavy Rain 90% 14 mph SW 79%
12 PM 26° Heavy Rain 77% 15 mph SW 78%
1 PM 28° Heavy Rain 85% 15 mph SW 76%
2 PM 28° Heavy Rain 90% 15 mph SW 76%
3 PM 27° Mostly Cloudy 85% 14 mph SW 76%
4 PM 27° Mostly Cloudy 85% 12 mph SW 77%
5 PM 27° Mostly Cloudy 85% 11 mph SW 78%
6 PM 27° Mostly Cloudy 85% 11 mph SW 78%
7 PM 26° Mostly Cloudy 85% 10 mph SW 79%
8 PM 26° Mostly Cloudy 90% 10 mph SW 80%
9 PM 26° Mostly Cloudy 90% 10 mph SW 82%
10 PM 26° Mostly Cloudy 90% 10 mph SW 84%
15-Day Forecast
Today
7/21
Overcast
82%
23°
31°
Wed
7/22
Heavy Rain
90%
23°
29°
Thu
7/23
Partly Cloudy
80%
19°
27°
Fri
7/24
Mostly Clear
60%
20°
28°
Sat
7/25
Drizzle
51%
19°
26°
Sun
7/26
Rain
70%
19°
29°
Mon
7/27
Rain
63%
21°
33°
Tue
7/28
Thunderstorm
71%
22°
35°
Wed
7/29
Rain
68%
21°
31°
Thu
7/30
Drizzle
44%
19°
29°
Fri
7/31
Drizzle
60%
19°
29°
Sat
8/1
Drizzle
60%
21°
29°
Sun
8/2
Drizzle
60%
21°
29°
Mon
8/3
Drizzle
60%
21°
31°
Tue
8/4
Drizzle
60%
22°
32°
44
Good
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

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

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
44 AQI 8.0 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 44 Good 31 44
Thu 55 Moderate 31 55
Fri 28 Good 25 28
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 Jul 22, 02:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1983 J/kg
MLCAPE1748 J/kg
MUCAPE2015 J/kg
SBCIN0 J/kg
MLCIN0 J/kg
Lifted Index-4.8
Kinematics
0–6 km Shear37 kt
0–1 km Shear30 kt
Eff. Shear37 kt
0–1 km SRH25
0–3 km SRH39
Eff. SRH39
Storm Motion225° @ 45 kt
0–1 km EHI0.3
Composite Parameters
Sig. Tornado0.3
STP (eff)0.5
Supercell1.5
K-Index36.4
Thermo & Levels
PWAT2.47 in
0–3 km LR5.7 °C/km
700–500 LR5.7 °C/km
Total Totals48.3
LCL957 hPa
LFC1008 hPa
EL157 hPa
Freezing Lvl15,098 ft