Tornado Watch 8:00 PM

Essex County, New Jersey, United States

Last updated: 6:30 PM CDT  ·  Refresh
23°C
Feels like 26°
Overcast
▲ 27°  /  ▼ 21°
Wind
8 mph S
Humidity
92%
Dew Point
22°
Pressure
29.36 inHg
Visibility
8 mi
UV Index
0.8
Cloud Cover
95%
Sunrise
5:43 AM
Sunset
8:22 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Essex County is currently overcast at 23°C. Precipitation is likely — peak probability 83% around 8 PM. Atmospheric instability is elevated (CAPE up to 1570 J/kg) — isolated convective development possible. Sunrise: 5:43AM · Sunset: 8:22PM.

Alerts

Tornado Watch
Expires 8:00 PM
74 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
23°
56%
8 PM
23°
83%
9 PM
23°
82%
10 PM
23°
72%
11 PM
23°
58%
12 AM
22°
57%
1 AM
23°
38%
2 AM
23°
47%
3 AM
23°
47%
4 AM
22°
62%
5 AM
21°
28%
6 AM
21°
25%
7 AM
22°
18%
8 AM
22°
21%
9 AM
23°
24%
10 AM
24°
19%
11 AM
25°
11%
12 PM
25°
8%
1 PM
26°
8%
2 PM
27°
8%
3 PM
27°
8%
4 PM
27°
8%
5 PM
27°
8%
6 PM
27°
9%
7-Day Forecast
Tonight
27° 21°
Overcast with a 72% chance of rain.
Wed
28° 20°
Partly Cloudy with a 62% chance of rain.
Thu
28° 17°
Clear.
Fri
27° 18°
Mostly Clear.
Sat
28° 18°
Partly Cloudy.
Sun
29° 19°
Rain, 71% chance.
Mon
29° 20°
Drizzle, 60% chance.
TimeTempConditionsPrecipWindHumidity
Now 23° Overcast 56% 8 mph S 92%
8 PM 23° Overcast 83% 9 mph SSW 93%
9 PM 23° Overcast 82% 10 mph SSW 94%
10 PM 23° Rain 72% 11 mph SSW 94%
11 PM 23° Rain 58% 11 mph SSW 95%
12 AM 22° Overcast 57% 10 mph SSW 95%
1 AM 23° Overcast 38% 10 mph SSW 96%
2 AM 23° Overcast 47% 10 mph SW 96%
3 AM 23° Overcast 47% 11 mph SW 95%
4 AM 22° Overcast 62% 10 mph SW 93%
5 AM 21° Mostly Cloudy 28% 10 mph SW 92%
6 AM 21° Mostly Cloudy 25% 9 mph SW 91%
7 AM 22° Mostly Cloudy 18% 9 mph SW 89%
8 AM 22° Partly Cloudy 21% 8 mph SW 86%
9 AM 23° Partly Cloudy 24% 8 mph WSW 80%
10 AM 24° Partly Cloudy 19% 9 mph WSW 75%
11 AM 25° Partly Cloudy 11% 9 mph WSW 70%
12 PM 25° Mostly Clear 8% 10 mph WSW 65%
1 PM 26° Mostly Clear 8% 10 mph WSW 61%
2 PM 27° Mostly Clear 8% 10 mph WSW 58%
3 PM 27° Mostly Clear 8% 10 mph WSW 56%
4 PM 27° Mostly Clear 8% 10 mph WSW 53%
5 PM 27° Mostly Clear 8% 10 mph WSW 53%
6 PM 27° Mostly Clear 9% 8 mph W 56%
15-Day Forecast
Today
7/21
Overcast
72%
21°
27°
Wed
7/22
Partly Cloudy
62%
20°
28°
Thu
7/23
Clear
3%
17°
28°
Fri
7/24
Mostly Clear
6%
18°
27°
Sat
7/25
Partly Cloudy
8%
18°
28°
Sun
7/26
Rain
71%
19°
29°
Mon
7/27
Drizzle
60%
20°
29°
Tue
7/28
Drizzle
63%
21°
28°
Wed
7/29
Drizzle
68%
20°
27°
Thu
7/30
Drizzle
68%
20°
28°
Fri
7/31
Drizzle
55%
20°
28°
Sat
8/1
Drizzle
60%
21°
27°
Sun
8/2
Drizzle
60%
20°
28°
Mon
8/3
Drizzle
60%
21°
28°
Tue
8/4
Drizzle
60%
21°
29°
74
Moderate
U.S. Air Quality Index · Dominant: PM2.5
50 100 150 200

Air quality is acceptable. Unusually sensitive people should consider limiting prolonged outdoor exertion.

Pollutant Breakdown · Today
PM2.5
Fine particulate matter
Dominant
74 AQI 21.4 µg/m³
O3
Ground-level ozone
38 AQI 42 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Wed 74 Moderate 38 74
Thu 40 Good 40 30
Fri 46 Good 46 45
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 Tue Jul 21, 22:00'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
SBCAPE726 J/kg
MLCAPE853 J/kg
MUCAPE1129 J/kg
SBCIN-132 J/kg
MLCIN0 J/kg
Lifted Index-3.9
Kinematics
0–6 km Shear39 kt
0–1 km Shear16 kt
Eff. Shear38 kt
0–1 km SRH10
0–3 km SRH-36
Eff. SRH-36
Storm Motion222° @ 40 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.1
STP (eff)0.0
Supercell0.0
K-Index30.3
Thermo & Levels
PWAT1.87 in
0–3 km LR4.9 °C/km
700–500 LR6.2 °C/km
Total Totals45.9
LCL972 hPa
LFC726 hPa
EL209 hPa
Freezing Lvl14,183 ft