Coastal Flood Advisory — Calvert, MD 1:00 PM

Calvert County, Maryland, United States

Last updated: 8:29 PM CDT  ·  Refresh
17°C
Feels like 13°
Rain
▲ 18°  /  ▼ 15°
Wind
17 mph NE
Humidity
88%
Dew Point
15°
Pressure
30,13 inHg
Visibility
6 mi
UV Index
0,0
Cloud Cover
92%
Sunrise
6:53 AM
Sunset
7:03 PM
Drag to pan · double-click to forecast a point
WeatherAI™ Analysis

WeatherAI Analysis: Calvert County is currently rain at 17°C. Precipitation is likely — peak probability 78% around 1 AM. Sunrise: 6:53AM · Sunset: 7:03PM.

Alerts

Coastal Flood Advisory
Calvert, MD
Expires 1:00 PM
27 AQI · Good Dominant: O3 Air Quality
Hourly Forecast · Next 24 Hours
Now
17°
71%
10 PM
18°
55%
11 PM
18°
70%
12 AM
18°
78%
1 AM
18°
78%
2 AM
17°
65%
3 AM
17°
62%
4 AM
17°
72%
5 AM
17°
63%
6 AM
16°
71%
7 AM
16°
71%
8 AM
16°
71%
9 AM
16°
71%
10 AM
16°
70%
11 AM
16°
65%
12 PM
17°
70%
1 PM
18°
54%
2 PM
18°
44%
3 PM
18°
44%
4 PM
19°
39%
5 PM
19°
34%
6 PM
19°
34%
7 PM
19°
23%
8 PM
18°
23%
7-Day Forecast
Tonight
18° 15°
Rain, 71% chance.
Wed
19° 15°
Rain, 78% chance.
Thu
19° 15°
Overcast.
Fri
22° 14°
Overcast with a 46% chance of rain.
Sat
22° 14°
Drizzle, 60% chance.
Sun
22° 14°
Drizzle, 50% chance.
Mon
22° 16°
Clear.
TimeTempConditionsPrecipWindHumidity
Now 17° Rain 71% 17 mph NE 88%
10 PM 18° Rain 55% 17 mph NE 84%
11 PM 18° Heavy Rain 70% 17 mph NE 83%
12 AM 18° Rain 78% 18 mph NE 84%
1 AM 18° Rain 78% 18 mph NE 84%
2 AM 17° Rain 65% 18 mph NE 83%
3 AM 17° Overcast 62% 18 mph NE 85%
4 AM 17° Rain 72% 18 mph NE 86%
5 AM 17° Rain 63% 19 mph NE 86%
6 AM 16° Rain 71% 18 mph NNE 88%
7 AM 16° Rain 71% 18 mph NNE 88%
8 AM 16° Rain 71% 17 mph NNE 88%
9 AM 16° Rain 71% 17 mph NNE 87%
10 AM 16° Rain 70% 17 mph NNE 86%
11 AM 16° Rain 65% 17 mph NNE 83%
12 PM 17° Overcast 70% 16 mph NNE 78%
1 PM 18° Overcast 54% 16 mph NNE 73%
2 PM 18° Rain 44% 18 mph NNE 78%
3 PM 18° Rain 44% 18 mph NE 76%
4 PM 19° Overcast 39% 18 mph NE 75%
5 PM 19° Overcast 34% 19 mph NE 74%
6 PM 19° Overcast 34% 19 mph NE 74%
7 PM 19° Overcast 23% 19 mph NE 74%
8 PM 18° Mostly Cloudy 23% 19 mph NE 74%
15-Day Forecast
Today
9/22
Rain
71%
15°
18°
Wed
9/23
Rain
78%
15°
19°
Thu
9/24
Overcast
13%
15°
19°
Fri
9/25
Overcast
46%
14°
22°
Sat
9/26
Drizzle
60%
14°
22°
Sun
9/27
Drizzle
50%
14°
22°
Mon
9/28
Clear
3%
16°
22°
Tue
9/29
Clear
3%
16°
24°
Wed
9/30
Clear
18%
16°
28°
Thu
10/1
Rain
68%
17°
24°
Fri
10/2
Clear
60%
16°
26°
Sat
10/3
Drizzle
60%
16°
26°
Sun
10/4
Drizzle
60%
16°
23°
Mon
10/5
Drizzle
60%
14°
22°
Tue
10/6
Drizzle
60%
14°
21°
27
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
3 AQI 0.7 µg/m³
O3
Ground-level ozone
Dominant
27 AQI 30 ppb
3-Day Outlook
DayAQICategoryO₃PM2.5
Today 27 Good 27 3
Thu 21 Good 21 4
Fri 29 Good 29 4
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 mar. sept. 22, 23:00'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
SBCAPE8 J/kg
MLCAPE11 J/kg
MUCAPE0 J/kg
SBCIN-1 J/kg
MLCIN0 J/kg
Lifted Index7.7
Kinematics
0–6 km Shear35 kt
0–1 km Shear18 kt
Eff. Shear—
0–1 km SRH49
0–3 km SRH210
Eff. SRH—
Storm Motion320° @ 14 kt
0–1 km EHI0.0
Composite Parameters
Sig. Tornado0.0
STP (eff)—
Supercell—
K-Index28.7
Thermo & Levels
PWAT1.74 in
0–3 km LR3.7 °C/km
700–500 LR5.3 °C/km
Total Totals39.7
LCL995 hPa
LFC986 hPa
EL898 hPa
Freezing Lvl13,471 ft