Areal Flood Watch 11:00 PM

Northampton County, Virginia, United States

Last updated: 1:07 AM CDT  ·  Refresh
26°C
Feels like 27°
Rain
▲ 29°  /  ▼ 22°
Wind
15 mph SW
Humidity
91%
Dew Point
23°
Pressure
29.79 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
93%
Sunrise
6:00 AM
Sunset
8:19 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Northampton County is currently rain at 26°C. Precipitation is likely — peak probability 90% around 2 AM. Atmospheric instability is elevated (CAPE up to 1760 J/kg) — isolated convective development possible. Sunrise: 6:00AM · Sunset: 8:19PM.

Alerts

Areal Flood Watch
Expires 11:00 PM
42 AQI · Good Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
26°
90%
3 AM
24°
90%
4 AM
24°
90%
5 AM
25°
90%
6 AM
25°
90%
7 AM
25°
78%
8 AM
26°
75%
9 AM
27°
76%
10 AM
27°
76%
11 AM
27°
80%
12 PM
28°
85%
1 PM
28°
90%
2 PM
29°
77%
3 PM
29°
85%
4 PM
28°
90%
5 PM
27°
90%
6 PM
27°
90%
7 PM
27°
85%
8 PM
27°
90%
9 PM
27°
90%
10 PM
27°
90%
11 PM
27°
90%
12 AM
26°
90%
1 AM
26°
90%
7-Day Forecast
Today
29° 22°
Heavy Rain, 90% chance.
Thu
28° 22°
Thunderstorm, 90% chance.
Fri
28° 23°
Partly Cloudy with a 59% chance of rain.
Sat
27° 23°
Overcast with a 64% chance of rain.
Sun
28° 23°
Rain, 77% chance.
Mon
31° 24°
Rain, 62% chance.
Tue
32° 24°
Thunderstorm, 71% chance.
TimeTempConditionsPrecipWindHumidity
Now 26° Rain 90% 15 mph SW 91%
3 AM 24° Rain 90% 14 mph SW 92%
4 AM 24° Heavy Rain 90% 15 mph SW 91%
5 AM 25° Heavy Rain 90% 18 mph SW 91%
6 AM 25° Heavy Rain 90% 18 mph SW 89%
7 AM 25° Heavy Rain 78% 18 mph SW 88%
8 AM 26° Heavy Rain 75% 20 mph SW 87%
9 AM 27° Overcast 76% 19 mph SW 86%
10 AM 27° Overcast 76% 19 mph SW 86%
11 AM 27° Overcast 80% 19 mph SW 85%
12 PM 28° Heavy Rain 85% 20 mph SW 83%
1 PM 28° Heavy Rain 90% 19 mph SW 81%
2 PM 29° Heavy Rain 77% 18 mph SW 80%
3 PM 29° Heavy Rain 85% 17 mph SW 81%
4 PM 28° Heavy Rain 90% 18 mph SW 83%
5 PM 27° Heavy Rain 90% 16 mph SW 85%
6 PM 27° Mostly Cloudy 90% 13 mph SW 85%
7 PM 27° Partly Cloudy 85% 11 mph SW 86%
8 PM 27° Partly Cloudy 90% 9 mph SSW 86%
9 PM 27° Mostly Cloudy 90% 9 mph SW 86%
10 PM 27° Mostly Cloudy 90% 9 mph SW 86%
11 PM 27° Heavy Rain 90% 10 mph SW 87%
12 AM 26° Heavy Rain 90% 10 mph SW 90%
1 AM 26° Heavy Rain 90% 9 mph SW 93%
15-Day Forecast
Today
7/22
Heavy Rain
90%
22°
29°
Thu
7/23
Thunderstorm
90%
22°
28°
Fri
7/24
Partly Cloudy
59%
23°
28°
Sat
7/25
Overcast
64%
23°
27°
Sun
7/26
Rain
77%
23°
28°
Mon
7/27
Rain
62%
24°
31°
Tue
7/28
Thunderstorm
71%
24°
32°
Wed
7/29
Rain
69%
24°
32°
Thu
7/30
Drizzle
44%
24°
28°
Fri
7/31
Rain
68%
24°
28°
Sat
8/1
Rain
90%
24°
28°
Sun
8/2
Drizzle
60%
24°
28°
Mon
8/3
Drizzle
60%
25°
29°
Tue
8/4
Rain
90%
26°
29°
Wed
8/5
Drizzle
60%
26°
29°
42
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
42 AQI 7.6 µg/m³
O3
Ground-level ozone
35 AQI 39 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 42 Good 35 42
Thu 53 Moderate 32 53
Fri 34 Good 31 34
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
SBCAPE1242 J/kg
MLCAPE1435 J/kg
MUCAPE1756 J/kg
SBCIN-57 J/kg
MLCIN0 J/kg
Lifted Index-4.0
Kinematics
0–6 km Shear36 kt
0–1 km Shear30 kt
Eff. Shear35 kt
0–1 km SRH-43
0–3 km SRH-12
Eff. SRH-12
Storm Motion218° @ 45 kt
0–1 km EHI-0.3
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.0
K-Index34.8
Thermo & Levels
PWAT2.39 in
0–3 km LR5.1 °C/km
700–500 LR5.9 °C/km
Total Totals48.0
LCL974 hPa
LFC830 hPa
EL174 hPa
Freezing Lvl14,849 ft