Areal Flood Watch 11:00 PM

Columbia County, Pennsylvania, United States

Last updated: 3:57 AM CDT  ·  Refresh
19°C
Feels like 22°
Rain
▲ 31°  /  ▼ 18°
Wind
3 mph SW
Humidity
98%
Dew Point
19°
Pressure
29.19 inHg
Visibility
9 mi
UV Index
0.0
Cloud Cover
86%
Sunrise
6:34 AM
Sunset
7:34 PM
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WeatherAI™ Analysis

WeatherAI Analysis: Columbia County is currently rain at 19°C. Precipitation is likely — peak probability 87% around 4 AM. Atmospheric instability is elevated (CAPE up to 2490 J/kg) — isolated convective development possible. Sunrise: 6:34AM · Sunset: 7:34PM.

Alerts

Areal Flood Watch
Expires 11:00 PM
53 AQI · Moderate Dominant: PM2.5 Air Quality
Hourly Forecast · Next 24 Hours
Now
19°
87%
5 AM
18°
79%
6 AM
18°
72%
7 AM
19°
44%
8 AM
21°
26%
9 AM
22°
26%
10 AM
24°
26%
11 AM
25°
48%
12 PM
27°
49%
1 PM
29°
52%
2 PM
29°
55%
3 PM
29°
64%
4 PM
29°
68%
5 PM
27°
73%
6 PM
26°
73%
7 PM
25°
74%
8 PM
24°
74%
9 PM
23°
68%
10 PM
22°
60%
11 PM
22°
51%
12 AM
21°
56%
1 AM
21°
47%
2 AM
21°
48%
3 AM
21°
43%
7-Day Forecast
Today
31° 18°
Partly Cloudy with a 87% chance of rain.
Fri
28° 17°
Mostly Cloudy with a 43% chance of rain.
Sat
24° 13°
Partly Cloudy.
Sun
23° 11°
Mostly Cloudy.
Mon
26° 10°
Clear.
Tue
27° 11°
Drizzle, 38% chance.
Wed
26° 16°
Rain, 63% chance.
TimeTempConditionsPrecipWindHumidity
Now 19° Rain 87% 3 mph SW 98%
5 AM 18° Rain 79% 6 mph SSW 98%
6 AM 18° Rain 72% 6 mph SSW 98%
7 AM 19° Partly Cloudy 44% 5 mph SW 97%
8 AM 21° Mostly Clear 26% 6 mph SW 93%
9 AM 22° Mostly Cloudy 26% 7 mph WSW 89%
10 AM 24° Partly Cloudy 26% 7 mph WSW 85%
11 AM 25° Partly Cloudy 48% 7 mph WSW 80%
12 PM 27° Partly Cloudy 49% 6 mph WSW 76%
1 PM 29° Mostly Cloudy 52% 6 mph W 72%
2 PM 29° Mostly Cloudy 55% 6 mph W 72%
3 PM 29° Mostly Cloudy 64% 6 mph W 73%
4 PM 29° Mostly Cloudy 68% 5 mph W 75%
5 PM 27° Mostly Cloudy 73% 3 mph W 79%
6 PM 26° Mostly Cloudy 73% 2 mph WNW 84%
7 PM 25° Heavy Rain 74% 3 mph WNW 88%
8 PM 24° Heavy Rain 74% 3 mph WSW 90%
9 PM 23° Rain 68% 3 mph WSW 92%
10 PM 22° Rain 60% 3 mph WSW 95%
11 PM 22° Rain 51% 3 mph WSW 96%
12 AM 21° Rain 56% 3 mph WSW 96%
1 AM 21° Rain 47% 3 mph WSW 97%
2 AM 21° Partly Cloudy 48% 3 mph WSW 97%
3 AM 21° Haze 43% 3 mph WSW 98%
15-Day Forecast
Today
9/3
Partly Cloudy
87%
18°
31°
Fri
9/4
Mostly Cloudy
43%
17°
28°
Sat
9/5
Partly Cloudy
7%
13°
24°
Sun
9/6
Mostly Cloudy
16%
11°
23°
Mon
9/7
Clear
3%
10°
26°
Tue
9/8
Drizzle
38%
11°
27°
Wed
9/9
Rain
63%
16°
26°
Thu
9/10
Drizzle
43%
13°
33°
Fri
9/11
Clear
44%
9°
25°
Sat
9/12
Drizzle
51%
9°
24°
Sun
9/13
Drizzle
60%
14°
28°
Mon
9/14
Drizzle
60%
13°
28°
Tue
9/15
Clear
25%
12°
25°
Wed
9/16
Drizzle
60%
11°
26°
Thu
9/17
Drizzle
60%
12°
26°
53
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
53 AQI 10.1 µg/m³
O3
Ground-level ozone
37 AQI 40 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 53 Moderate 37 53
Fri 34 Good 34 31
Sat 31 Good 31 24
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 Thu Sep 3, 07:00'Z' · F0 · 130 (13 km CONUS/NA)
Hodograph · kt
10 20 30 40 50 SM
0–1 1–3 3–6 6–9 km
Instability
SBCAPE4 J/kg
MLCAPE29 J/kg
MUCAPE501 J/kg
SBCIN-213 J/kg
MLCIN-170 J/kg
Lifted Index1.1
Kinematics
0–6 km Shear39 kt
0–1 km Shear8 kt
Eff. Shear36 kt
0–1 km SRH56
0–3 km SRH107
Eff. SRH100
Storm Motion310° @ 26 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)0.0
Supercell0.9
K-Index35.9
Thermo & Levels
PWAT2.00 in
0–3 km LR4.2 °C/km
700–500 LR5.7 °C/km
Total Totals46.6
LCL982 hPa
LFC656 hPa
EL584 hPa
Freezing Lvl13,163 ft