Flash Flood Warning — Somerset County, MD, Worcester County, MD, Accomack County, VA 4:15 AM

Accomack County, Virginia, United States

Last updated: 3:33 AM CDT  ·  Refresh
24°C
Feels like 24°
Haze
▲ 28°  /  ▼ 21°
Wind
16 mph SW
Humidity
92%
Dew Point
22°
Pressure
29.76 inHg
Visibility
1 mi
UV Index
0.0
Cloud Cover
100%
Sunrise
5:58 AM
Sunset
8:19 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Accomack County is currently haze at 24°C. Precipitation is likely — peak probability 90% around 4 AM. Atmospheric instability is elevated (CAPE up to 1990 J/kg) — isolated convective development possible. Sunrise: 5:58AM · Sunset: 8:19PM.

34 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
24°
90%
5 AM
24°
51%
6 AM
24°
58%
7 AM
24°
53%
8 AM
25°
60%
9 AM
24°
60%
10 AM
24°
54%
11 AM
25°
62%
12 PM
26°
62%
1 PM
27°
49%
2 PM
27°
69%
3 PM
27°
75%
4 PM
27°
80%
5 PM
27°
71%
6 PM
26°
72%
7 PM
26°
73%
8 PM
26°
81%
9 PM
26°
90%
10 PM
26°
90%
11 PM
25°
90%
12 AM
25°
90%
1 AM
25°
90%
2 AM
24°
90%
3 AM
24°
90%
7-Day Forecast
Today
28° 21°
Mostly Cloudy with a 90% chance of rain.
Thu
26° 21°
Drizzle, 86% chance.
Fri
26° 21°
Partly Cloudy with a 43% chance of rain.
Sat
25° 21°
Drizzle, 50% chance.
Sun
27° 21°
Drizzle, 70% chance.
Mon
30° 23°
Rain, 82% chance.
Tue
30° 23°
Drizzle, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 24° Haze 90% 16 mph SW 92%
5 AM 24° Overcast 51% 17 mph SSW 91%
6 AM 24° Overcast 58% 17 mph SW 90%
7 AM 24° Overcast 53% 17 mph SW 90%
8 AM 25° Mostly Cloudy 60% 17 mph SW 88%
9 AM 24° Mostly Cloudy 60% 18 mph SW 86%
10 AM 24° Rain 54% 18 mph SW 84%
11 AM 25° Mostly Cloudy 62% 18 mph SW 82%
12 PM 26° Mostly Cloudy 62% 17 mph SW 79%
1 PM 27° Mostly Cloudy 49% 17 mph SW 77%
2 PM 27° Mostly Cloudy 69% 17 mph SW 77%
3 PM 27° Rain 75% 17 mph SW 78%
4 PM 27° Mostly Cloudy 80% 16 mph SSW 79%
5 PM 27° Mostly Cloudy 71% 16 mph SSW 80%
6 PM 26° Partly Cloudy 72% 13 mph SW 82%
7 PM 26° Partly Cloudy 73% 10 mph SW 84%
8 PM 26° Partly Cloudy 81% 9 mph SW 86%
9 PM 26° Mostly Cloudy 90% 9 mph SW 87%
10 PM 26° Mostly Cloudy 90% 10 mph SW 88%
11 PM 25° Rain 90% 10 mph SW 90%
12 AM 25° Rain 90% 10 mph SW 91%
1 AM 25° Heavy Rain 90% 10 mph SW 93%
2 AM 24° Heavy Rain 90% 9 mph SW 94%
3 AM 24° Heavy Rain 90% 9 mph W 93%
15-Day Forecast
Today
7/22
Mostly Cloudy
90%
21°
28°
Thu
7/23
Drizzle
86%
21°
26°
Fri
7/24
Partly Cloudy
43%
21°
26°
Sat
7/25
Drizzle
50%
21°
25°
Sun
7/26
Drizzle
70%
21°
27°
Mon
7/27
Rain
82%
23°
30°
Tue
7/28
Drizzle
63%
23°
30°
Wed
7/29
Rain
69%
23°
29°
Thu
7/30
Drizzle
44%
23°
28°
Fri
7/31
Rain
64%
23°
27°
Sat
8/1
Drizzle
60%
23°
27°
Sun
8/2
Drizzle
60%
23°
27°
Mon
8/3
Drizzle
60%
23°
27°
Tue
8/4
Drizzle
60%
23°
28°
Wed
8/5
Drizzle
60%
24°
28°
34
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
29 AQI 5.4 µg/m³
O3
Ground-level ozone
Dominant
34 AQI 38 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 34 Good 34 29
Thu 39 Good 39 33
Fri 33 Good 33 33
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, 07:00'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
SBCAPE442 J/kg
MLCAPE929 J/kg
MUCAPE1391 J/kg
SBCIN-51 J/kg
MLCIN0 J/kg
Lifted Index-2.0
Kinematics
0–6 km Shear44 kt
0–1 km Shear32 kt
Eff. Shear45 kt
0–1 km SRH-25
0–3 km SRH-22
Eff. SRH-22
Storm Motion231° @ 47 kt
0–1 km EHI-0.1
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index40.0
Thermo & Levels
PWAT2.53 in
0–3 km LR5.0 °C/km
700–500 LR5.2 °C/km
Total Totals46.8
LCL987 hPa
LFC789 hPa
EL232 hPa
Freezing Lvl14,872 ft