Areal Flood Watch 11:00 PM

York County, Virginia, United States

Last updated: 1:05 AM CDT  ·  Refresh
26°C
Feels like 28°
Overcast
▲ 29°  /  ▼ 20°
Wind
11 mph SW
Humidity
90%
Dew Point
23°
Pressure
29.74 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
90%
Sunrise
6:02 AM
Sunset
8:21 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: York County is currently overcast at 26°C. Precipitation is likely — peak probability 90% around 2 AM. Atmospheric instability is elevated (CAPE up to 1518 J/kg) — isolated convective development possible. Sunrise: 6:02AM · Sunset: 8:21PM.

Alerts

Areal Flood Watch
Expires 11:00 PM
50 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
90%
3 AM
25°
90%
4 AM
25°
88%
5 AM
24°
87%
6 AM
23°
87%
7 AM
23°
81%
8 AM
23°
71%
9 AM
24°
71%
10 AM
24°
71%
11 AM
25°
76%
12 PM
24°
80%
1 PM
24°
80%
2 PM
27°
81%
3 PM
27°
85%
4 PM
27°
81%
5 PM
27°
80%
6 PM
27°
85%
7 PM
27°
90%
8 PM
27°
90%
9 PM
26°
90%
10 PM
26°
90%
11 PM
26°
90%
12 AM
26°
90%
1 AM
24°
90%
7-Day Forecast
Today
29° 20°
Heavy Rain, 90% chance.
Thu
27° 20°
Heavy Rain, 90% chance.
Fri
29° 21°
Partly Cloudy with a 59% chance of rain.
Sat
26° 21°
Overcast with a 66% chance of rain.
Sun
29° 21°
Heavy Rain, 90% chance.
Mon
34° 21°
Rain, 70% chance.
Tue
34° 22°
Rain, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Overcast 90% 11 mph SW 90%
3 AM 25° Heavy Rain 90% 10 mph WSW 92%
4 AM 25° Heavy Rain 88% 11 mph SW 92%
5 AM 24° Heavy Rain 87% 13 mph SW 92%
6 AM 23° Heavy Rain 87% 12 mph SSW 90%
7 AM 23° Heavy Rain 81% 12 mph SW 88%
8 AM 23° Heavy Rain 71% 15 mph SW 87%
9 AM 24° Overcast 71% 14 mph SW 86%
10 AM 24° Overcast 71% 15 mph SW 84%
11 AM 25° Heavy Rain 76% 14 mph SW 82%
12 PM 24° Heavy Rain 80% 14 mph SW 81%
1 PM 24° Heavy Rain 80% 14 mph SW 81%
2 PM 27° Heavy Rain 81% 13 mph SW 80%
3 PM 27° Overcast 85% 13 mph SW 81%
4 PM 27° Mostly Cloudy 81% 11 mph SW 82%
5 PM 27° Mostly Cloudy 80% 9 mph WSW 82%
6 PM 27° Mostly Cloudy 85% 8 mph SW 82%
7 PM 27° Mostly Cloudy 90% 7 mph SW 81%
8 PM 27° Heavy Rain 90% 8 mph SW 80%
9 PM 26° Mostly Cloudy 90% 7 mph SW 82%
10 PM 26° Mostly Cloudy 90% 7 mph WSW 83%
11 PM 26° Mostly Cloudy 90% 6 mph WSW 84%
12 AM 26° Mostly Cloudy 90% 6 mph WSW 88%
1 AM 24° Heavy Rain 90% 7 mph WSW 92%
15-Day Forecast
Today
7/22
Heavy Rain
90%
20°
29°
Thu
7/23
Heavy Rain
90%
20°
27°
Fri
7/24
Partly Cloudy
59%
21°
29°
Sat
7/25
Overcast
66%
21°
26°
Sun
7/26
Heavy Rain
90%
21°
29°
Mon
7/27
Rain
70%
21°
34°
Tue
7/28
Rain
71%
22°
34°
Wed
7/29
Drizzle
69%
22°
34°
Thu
7/30
Rain
68%
21°
30°
Fri
7/31
Drizzle
64%
22°
29°
Sat
8/1
Drizzle
60%
21°
29°
Sun
8/2
Drizzle
60%
21°
29°
Mon
8/3
Drizzle
60%
22°
31°
Tue
8/4
Rain
90%
22°
32°
Wed
8/5
Drizzle
60%
23°
32°
50
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
50 AQI 9.0 µg/m³
O3
Ground-level ozone
31 AQI 34 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 50 Good 31 50
Thu 60 Moderate 27 60
Fri 31 Good 28 31
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, 04:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 60 70 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE1037 J/kg
MLCAPE1247 J/kg
MUCAPE1450 J/kg
SBCIN-52 J/kg
MLCIN0 J/kg
Lifted Index-3.3
Kinematics
0–6 km Shear37 kt
0–1 km Shear33 kt
Eff. Shear38 kt
0–1 km SRH-44
0–3 km SRH-2
Eff. SRH-2
Storm Motion219° @ 43 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.4
Thermo & Levels
PWAT2.45 in
0–3 km LR5.1 °C/km
700–500 LR5.8 °C/km
Total Totals47.7
LCL967 hPa
LFC830 hPa
EL197 hPa
Freezing Lvl15,197 ft