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Ambarcik Bay 14 Day Long Range Forecast

14 Day weather providing an extended long range forecast outlook for Ambarcik Bay

Russia

Long range weather outlook for Ambarcik Bay includes 14 day forecast summary:

The next 14 day outlook for Ambarcik Bay shows the average daytime maximum temperature will be around -28°C, with a high for the two weeks of -15°C expected on the evening of Friday 14th. The average minimum temperature will be -34°C, dipping to its lowest on the morning of Thursday 6th at -44°C. The next 14 days will remain predominantly dry. On the whole winds are likely to be moderate.

DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 05
Feb
15:00

SW
SW

7 / 14 mph -43 / -64°F 93% 1037 mb
Low level cloud: 9%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
70%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

6 / 12 mph -46 / -66°F 94% 1039 mb
Low level cloud: 8%
Mid level cloud: 16%
High level cloud: 0%
Most Significant Cloud Type: low
13%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

5 / 11 mph -46 / -65°F 94% 1040 mb
Low level cloud: 4%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: medium
25%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Thu 06
Feb
00:00

SW
SW

5 / 11 mph -44 / -63°F 95% 1042 mb
Low level cloud: 6%
Mid level cloud: 15%
High level cloud: 0%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

5 / 11 mph -46 / -66°F 95% 1042 mb
Low level cloud: 6%
Mid level cloud: 24%
High level cloud: 0%
Most Significant Cloud Type: medium
41%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

6 / 12 mph -47 / -68°F 96% 1043 mb
Low level cloud: 13%
Mid level cloud: 45%
High level cloud: 0%
Most Significant Cloud Type: medium
80%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

6 / 13 mph -44 / -65°F 96% 1045 mb
Low level cloud: 14%
Mid level cloud: 43%
High level cloud: 0%
Most Significant Cloud Type: medium
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

7 / 14 mph -40 / -62°F 93% 1045 mb
Low level cloud: 63%
Mid level cloud: 75%
High level cloud: 0%
Most Significant Cloud Type: low
89%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

7 / 15 mph -39 / -60°F 92% 1046 mb
Low level cloud: 84%
Mid level cloud: 94%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

7 / 16 mph -40 / -63°F 94% 1046 mb
Low level cloud: 76%
Mid level cloud: 50%
High level cloud: 0%
Most Significant Cloud Type: low
93%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

9 / 18 mph -43 / -68°F 92% 1047 mb
Low level cloud: 72%
Mid level cloud: 71%
High level cloud: 0%
Most Significant Cloud Type: low
96%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Fri 07
Feb
00:00

SW
SW

9 / 17 mph -39 / -62°F 92% 1047 mb
Low level cloud: 99%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

WSW
WSW

9 / 15 mph -35 / -57°F 96% 1046 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

WSW
WSW

9 / 15 mph -34 / -57°F 96% 1046 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

10 / 16 mph -33 / -56°F 96% 1046 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

10 / 15 mph -31 / -55°F 95% 1045 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

11 / 15 mph -30 / -54°F 95% 1044 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SW
SW

11 / 16 mph -30 / -54°F 96% 1044 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

11 / 16 mph -29 / -53°F 96% 1043 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sat 08
Feb
00:00

SW
SW

11 / 16 mph -28 / -52°F 95% 1042 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

SW
SW

11 / 17 mph -27 / -51°F 95% 1041 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

SW
SW

12 / 18 mph -27 / -52°F 94% 1041 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

SW
SW

12 / 18 mph -27 / -51°F 94% 1041 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

SW
SW

11 / 19 mph -28 / -52°F 93% 1041 mb
Low level cloud: 100%
Mid level cloud: 100%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

SW
SW

11 / 22 mph -33 / -58°F 93% 1041 mb
Low level cloud: 100%
Mid level cloud: 88%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

SSW
SSW

9 / 18 mph -38 / -61°F 92% 1041 mb
Low level cloud: 88%
Mid level cloud: 46%
High level cloud: 0%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

SW
SW

7 / 14 mph -39 / -60°F 91% 1041 mb
Low level cloud: 75%
Mid level cloud: 22%
High level cloud: 0%
Most Significant Cloud Type: low
82%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Sun 09
Feb
00:00

SSW
SSW

5 / 11 mph -40 / -59°F 92% 1041 mb
Low level cloud: 44%
Mid level cloud: 19%
High level cloud: 0%
Most Significant Cloud Type: low
50%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

S
S

3 / 6 mph -41 / -52°F 93% 1040 mb
Low level cloud: 17%
Mid level cloud: 13%
High level cloud: 0%
Most Significant Cloud Type: low
21%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ESE
ESE

2 / 5 mph -41 / -51°F 93% 1040 mb
Low level cloud: 7%
Mid level cloud: 8%
High level cloud: 0%
Most Significant Cloud Type: low
9%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

E
E

4 / 9 mph -41 / -57°F 96% 1039 mb
Low level cloud: 11%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ENE
ENE

5 / 10 mph -39 / -56°F 96% 1038 mb
Low level cloud: 12%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ENE
ENE

6 / 12 mph -37 / -55°F 96% 1036 mb
Low level cloud: 10%
Mid level cloud: 0%
High level cloud: 7%
Most Significant Cloud Type: low
11%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

6 / 12 mph -37 / -55°F 96% 1034 mb
Low level cloud: 5%
Mid level cloud: 10%
High level cloud: 32%
Most Significant Cloud Type: low
12%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

7 / 14 mph -35 / -55°F 96% 1033 mb
Low level cloud: 10%
Mid level cloud: 85%
High level cloud: 32%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Mon 10
Feb
00:00

ENE
ENE

7 / 15 mph -32 / -52°F 96% 1032 mb
Low level cloud: 16%
Mid level cloud: 100%
High level cloud: 32%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

ENE
ENE

7 / 15 mph -33 / -54°F 96% 1031 mb
Low level cloud: 29%
Mid level cloud: 84%
High level cloud: 78%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

5 / 11 mph -33 / -50°F 96% 1030 mb
Low level cloud: 29%
Mid level cloud: 45%
High level cloud: 100%
Most Significant Cloud Type: low
56%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ENE
ENE

4 / 9 mph -34 / -49°F 97% 1030 mb
Low level cloud: 42%
Mid level cloud: 31%
High level cloud: 51%
Most Significant Cloud Type: low
58%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ENE
ENE

3 / 7 mph -33 / -46°F 97% 1031 mb
Low level cloud: 55%
Mid level cloud: 100%
High level cloud: 60%
Most Significant Cloud Type: low
97%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

NE
NE

5 / 9 mph -26 / -41°F 93% 1031 mb
Low level cloud: 42%
Mid level cloud: 79%
High level cloud: 60%
Most Significant Cloud Type: low
76%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

NE
NE

6 / 11 mph -27 / -43°F 95% 1031 mb
Low level cloud: 45%
Mid level cloud: 50%
High level cloud: 100%
Most Significant Cloud Type: low
74%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

7 / 13 mph -27 / -46°F 96% 1031 mb
Low level cloud: 50%
Mid level cloud: 43%
High level cloud: 75%
Most Significant Cloud Type: low
73%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
Tue 11
Feb
00:00

ENE
ENE

10 / 16 mph -24 / -45°F 92% 1031 mb
Low level cloud: 30%
Mid level cloud: 45%
High level cloud: 79%
Most Significant Cloud Type: low
55%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
03:00

NE
NE

12 / 25 mph -26 / -50°F 92% 1030 mb
Low level cloud: 41%
Mid level cloud: 47%
High level cloud: 100%
Most Significant Cloud Type: low
69%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
06:00

ENE
ENE

14 / 29 mph -27 / -53°F 93% 1029 mb
Low level cloud: 45%
Mid level cloud: 45%
High level cloud: 33%
Most Significant Cloud Type: low
64%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
09:00

ENE
ENE

14 / 22 mph -23 / -49°F 93% 1029 mb
Low level cloud: 31%
Mid level cloud: 74%
High level cloud: 40%
Most Significant Cloud Type: low
61%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
12:00

ENE
ENE

14 / 17 mph -20 / -45°F 92% 1028 mb
Low level cloud: 14%
Mid level cloud: 28%
High level cloud: 99%
Most Significant Cloud Type: low
36%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
15:00

ENE
ENE

14 / 16 mph -18 / -42°F 91% 1026 mb
Low level cloud: 6%
Mid level cloud: 31%
High level cloud: 33%
Most Significant Cloud Type: medium
49%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
18:00

ENE
ENE

14 / 20 mph -20 / -45°F 94% 1026 mb
Low level cloud: 34%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
21:00

ENE
ENE

17 / 35 mph -23 / -50°F 94% 1024 mb
Low level cloud: 60%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
100%
Expect 0.0 In of precipitation over the past 3 hours.
0.0 In
DayLocal TimeDirSpeed/
Gust
Temp/
Feels Like
HumidityPressureCloud AmountPrecip AmountWeather
Wed 12
Feb
00:00

ENE
ENE

6 / 13 mph -23 / -40°F 98% 1015 mb
Low level cloud: 46%
Mid level cloud: 5%
High level cloud: 0%
Most Significant Cloud Type: low
47%
0.0 In
06:00

ESE
ESE

3 / 6 mph 3 / -3°F 96% 997 mb
Low level cloud: 16%
Mid level cloud: 46%
High level cloud: 1%
Most Significant Cloud Type: medium
89%
0.0 In
12:00

ENE
ENE

12 / 24 mph -15 / -36°F 98% 1013 mb
Low level cloud: 45%
Mid level cloud: 14%
High level cloud: 33%
Most Significant Cloud Type: low
53%
0.0 In
18:00

E
E

9 / 18 mph 22 / 12°F 88% 1003 mb
Low level cloud: 0%
Mid level cloud: 62%
High level cloud: 100%
Most Significant Cloud Type: medium
65%
0.0 In
Thu 13
Feb
00:00

ENE
ENE

14 / 28 mph -6 / -26°F 94% 1009 mb
Low level cloud: 18%
Mid level cloud: 17%
High level cloud: 88%
Most Significant Cloud Type: low
34%
0.0 In
06:00

WSW
WSW

2 / 5 mph 10 / 6°F 97% 1010 mb
Low level cloud: 36%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: low
83%
0.0 In
12:00

ESE
ESE

2 / 2 mph -30 / -30°F 96% 1026 mb
Low level cloud: 67%
Mid level cloud: 12%
High level cloud: 55%
Most Significant Cloud Type: low
78%
0.0 In
18:00

ENE
ENE

2 / 5 mph -4 / -10°F 99% 1016 mb
Low level cloud: 76%
Mid level cloud: 75%
High level cloud: 33%
Most Significant Cloud Type: low
100%
0.0 In
Fri 14
Feb
00:00

ESE
ESE

2 / 5 mph -36 / -45°F 94% 1027 mb
Low level cloud: 23%
Mid level cloud: 26%
High level cloud: 32%
Most Significant Cloud Type: low
36%
0.0 In
06:00

E
E

4 / 9 mph -8 / -19°F 96% 1016 mb
Low level cloud: 0%
Mid level cloud: 6%
High level cloud: 5%
Most Significant Cloud Type: medium
6%
0.0 In
12:00

SSE
SSE

1 / 1 mph -20 / -20°F 94% 1028 mb
Low level cloud: 13%
Mid level cloud: 9%
High level cloud: 100%
Most Significant Cloud Type: low
28%
0.0 In
18:00

ENE
ENE

11 / 24 mph 10 / -5°F 91% 1015 mb
Low level cloud: 0%
Mid level cloud: 15%
High level cloud: 100%
Most Significant Cloud Type: medium
18%
0.0 In
Sat 15
Feb
00:00

E
E

3 / 7 mph -27 / -38°F 95% 1028 mb
Low level cloud: 33%
Mid level cloud: 4%
High level cloud: 32%
Most Significant Cloud Type: low
38%
0.0 In
06:00

ENE
ENE

9 / 18 mph 2 / -12°F 94% 1014 mb
Low level cloud: 0%
Mid level cloud: 58%
High level cloud: 13%
Most Significant Cloud Type: medium
58%
0.0 In
12:00

ENE
ENE

4 / 8 mph -11 / -21°F 97% 1029 mb
Low level cloud: 56%
Mid level cloud: 44%
High level cloud: 50%
Most Significant Cloud Type: low
78%
0.0 In
18:00

ENE
ENE

9 / 18 mph 10 / -3°F 91% 1016 mb
Low level cloud: 0%
Mid level cloud: 100%
High level cloud: 100%
Most Significant Cloud Type: medium
100%
0.0 In
Sun 16
Feb
00:00

ENE
ENE

3 / 6 mph -8 / -16°F 96% 1030 mb
Low level cloud: 7%
Mid level cloud: 70%
High level cloud: 32%
Most Significant Cloud Type: medium
90%
0.0 In
06:00

ENE
ENE

7 / 15 mph -1 / -14°F 96% 1020 mb
Low level cloud: 58%
Mid level cloud: 100%
High level cloud: 1%
Most Significant Cloud Type: low
93%
0.0 In
12:00

E
E

4 / 8 mph -1 / -10°F 93% 1030 mb
Low level cloud: 0%
Mid level cloud: 22%
High level cloud: 20%
Most Significant Cloud Type: medium
22%
0.0 In
18:00

ENE
ENE

9 / 10 mph 7 / -6°F 96% 1025 mb
Low level cloud: 72%
Mid level cloud: 100%
High level cloud: 32%
Most Significant Cloud Type: low
100%
0.0 In
Mon 17
Feb
00:00

SE
SE

2 / 4 mph -15 / -15°F 87% 1029 mb
Low level cloud: 0%
Mid level cloud: 4%
High level cloud: 2%
Most Significant Cloud Type: medium
4%
0.0 In
06:00

E
E

10 / 21 mph -15 / -35°F 97% 1028 mb
Low level cloud: 14%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
14%
0.0 In
12:00

SSW
SSW

2 / 5 mph -10 / -17°F 93% 1027 mb
Low level cloud: 6%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: low
5%
0.0 In
18:00

E
E

9 / 18 mph -8 / -25°F 90% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Tue 18
Feb
00:00

ESE
ESE

4 / 9 mph -18 / -31°F 75% 1026 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
06:00

ENE
ENE

11 / 22 mph -20 / -42°F 86% 1032 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

ESE
ESE

4 / 9 mph -13 / -25°F 79% 1024 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 0%
Most Significant Cloud Type: medium
2%
0.0 In
18:00

ENE
ENE

12 / 25 mph -6 / -25°F 80% 1032 mb
Low level cloud: 0%
Mid level cloud: 3%
High level cloud: 13%
Most Significant Cloud Type: medium
3%
0.0 In
Wed 19
Feb
00:00

SSW
SSW

4 / 8 mph -19 / -30°F 76% 1023 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 20%
Most Significant Cloud Type: high
20%
0.0 In
06:00

ENE
ENE

11 / 24 mph -15 / -36°F 94% 1031 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
12:00

WSW
WSW

7 / 12 mph -14 / -30°F 91% 1026 mb
Low level cloud: 51%
Mid level cloud: 46%
High level cloud: 10%
Most Significant Cloud Type: low
68%
0.0 In
18:00

ENE
ENE

12 / 24 mph -9 / -29°F 93% 1028 mb
Low level cloud: 0%
Mid level cloud: 0%
High level cloud: 0%
Most Significant Cloud Type: high
0%
0.0 In
Thu 20
Feb
00:00

WSW
WSW

5 / 6 mph -14 / -27°F 97% 1029 mb
Low level cloud: 100%
Mid level cloud: 98%
High level cloud: 13%
Most Significant Cloud Type: low
100%
0.0 In
06:00

ENE
ENE

12 / 25 mph -25 / -49°F 99% 1026 mb
Low level cloud: 88%
Mid level cloud: 4%
High level cloud: 0%
Most Significant Cloud Type: low
89%
0.0 In
12:00

SW
SW

3 / 6 mph -32 / -44°F 99% 1031 mb
Low level cloud: 99%
Mid level cloud: 5%
High level cloud: 100%
Most Significant Cloud Type: low
100%
0.0 In
18:00

ENE
ENE

13 / 19 mph -19 / -42°F 96% 1025 mb
Low level cloud: 39%
Mid level cloud: 7%
High level cloud: 0%
Most Significant Cloud Type: low
41%
0.0 In

The day label given represents the local day relative to the local time for the location you are looking at.
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Day

This time is corrected for local time zones and where possible for daylight saving times.
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Local Time

The wind direction we use on this page is the direction the wind is coming from, given in a 16 point compass format.
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Dir

This refers to the sustained average wind speed, normally averaged over a period of 10 minutes for up to 3 hrs.
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Speed/
Gust

Temperature from our forecast perspective are fairly well defined, they are what we would expect to measure in a standard meteorological screen (in other words, shaded and well ventilated) at 2 metres above ground level.
(More Info)

Temp/
Feels Like

The relative humidity is the percent of saturation humidity, generally calculated in relation to saturated vapour density.
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Humidity

The value given is a total predicted for the previous 3 hrs and includes the time of the forecast being looked at.
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Precip Amount

The total amount of cloud as a percentage is derived from looking at cloud cover throughout the atmosphere and estimating how these combine when looked at from the ground.
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Cloud Amount

Here we try to capture the feel of the weather as an image – it will never be perfect but is useful for a quick overview.
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Weather

When we measure for forecast air pressure we are normally doing this relative to a certain height and most commonly relative to Mean Sea Level.
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Pressure