and then 
to Add to home screen MAY 17TH, 1883-A three day flood in the Black Hills of western South Dakota resulted in a million dollars damage at Rapid City.
Rise 6:27AM
Set 8:36PM
Reporting Station : Knoxville Downtown, TN
There are
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21°C
Overcast. Mild.
- 83%
- 0 km/hN
-
83%
Humidity -
18°C
Dew Point -
21°C
Comfort Level -
16 km
Visibility -
1009.82 mb
Barometric Pressure - Air Quality
Waxing gibbous
Rise3:15PM
Set3:30AM
FRIDAY AFTERNOON
CHA / Delays under 15 minutes
Previously
| MAY 17TH, 1883 |
A three day flood in the Black Hills of western South Dakota resulted in a million dollars damage at Rapid City. |
| MAY 17TH, 1979 |
A reading of 12 degrees at Mauna Kea Observatory established an all-time record low for the state of Hawaii. |
| MAY 16TH, 1952 |
High winds in the Wasatch Canyon of Utah struck Ogden and Brigham City. Winds at Hill Air Force Base gusted to 92 mph. |
| MAY 16TH, 1874 |
The Mill Creek disaster occurred west of Northhampton MA. Dam slippage resulted in a flash flood which claimed 143 lives, and caused a million dollars property damage. |
| MAY 15TH, 1834 |
The Northern Atlantic Coast States were in the midst of their greatest May snowstorm of record. The hills around Newbury VT were covered with two to three feet of snow. |
| MAY 15TH, 1972 |
The worst ice jam flooding of memory for long-time residents took place along the Kuskokwim River and Yukon River in Alaska. It was the first time since 1890 that the two rivers "flowed as one". The towns of Oscarville and Napaskiak were completely inundated. |
| MAY 14TH, 1896 |
The mercury plunged to 10 degrees below zero at Climax CO. It was the lowest reading of record for the U.S. during the month of May. |
| MAY 14TH, 1898 |
A severe thunderstorm, with some hailstones up to 9.5 inches in circumference, pounded a four mile wide path across Kansas City MO. South-facing windows were broken in nearly every house in central and eastern parts of the city, and several persons were injured. An even larger hailstone was thought to have been found, but it turned out to be a chunk of ice tossed out the window of a building by a prankster. |
| MAY 13TH, 1930 |
A man was killed when caught in an open field during a hailstorm northwest of Lubbock TX. |
| MAY 13TH, 1981 |
A tornado 450 yards in width destroyed ninety percent of Emberson TX. People did not see a tornado, but rather a wall of debris. Homes were leveled, a man in a bathtub was hurled a quarter of a mile, and a 1500 pound recreational vehicle was hurled 500 yards. Miraculously no deaths occurred in the tornado. |
| MAY 12TH, 1972 |
In Texas, A cloudburst dumped sixteen inches of rain north of New Braunfels sending a thirty foot wall of water down Blueders Creek into the Comal and Guadalupe Rivers washing away people, houses and automobiles. The flood claimed 18 lives and caused more than twenty million dollars damage. |
Wind Advisory
| Issued By | NWS Field Office | Broadcast Time | Mon, 29 Dec 2014 03:43:00 PST |
| Issuing Time | Mon, 29 Dec 2014 03:43:00 PST | Valid Until | Mon, 29 Dec 2014 03:43:00 PST |
Strong northerly winds are forecast to develop across the San Francisco Bay Area by midday Tuesday and continue through midday Wednesday. A strong..cold and dry storm system will sweep into northern and central California late Monday night and Tuesday morning. This system will generate strong and gusty north to northest winds across the region from midday Tuesday through midday Wednesday.
Rise 6:27AM
Set 8:36PM
Waxing gibbous
Rise3:15PM
Set3:30AM
FRIDAY AFTERNOON
CHA / Delays under 15 minutes
| History | |||
| Weather Station: McGhee Tyson Airport , TN , US | |||
| May Data | Choose another month |
| Averages | |
|
Average High Temperature
8.30 °C
|
Average Low Temperature
-1.70 °C
|
|
Average Mean Temp
3.30 °C
|
Average Dew Point
-1.70 °C
|
|
Average Windspeed
13.00 km/h
|
Average Wind Direction
45.0
|
|
Average Morning Relative Humidity
81.0
|
Average Afternoon Relative Humidity
60.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
11.42
|
|
Average Snowfall (US Only)
12.70
|
|
| Daily Counts | |
|
Days With Precipitation
12
|
Days With Thunderstorms
1
|
|
Days With Fog
14
|
Days With Snow
3
|
Days With Lows Below Freezing
20
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
25.00 °C
|
Record Low
-31.10 °C
|
|
Record Wind Speed
96.30 km/h
|
Record Monthly Snowfall
38.1 cm
|
Record 24-hour Snowfall
25.40 cm
|
Record Monthly Rainfall
297 mm
|
Record 24-hour Rainfall
96 mm
|
Record Minimum Monthly Precipitation
2.28 mm
|
| Averages | |
|
Average High Temperature
11.10 °C
|
Average Low Temperature
0.00 °C
|
|
Average Mean Temp
5.60 °C
|
Average Dew Point
-0.60 °C
|
|
Average Windspeed
13.00 km/h
|
Average Wind Direction
45.0
|
|
Average Morning Relative Humidity
80.0
|
Average Afternoon Relative Humidity
54.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
10.91
|
|
Average Snowfall (US Only)
10.20
|
|
| Daily Counts | |
|
Days With Precipitation
11
|
Days With Thunderstorms
1
|
|
Days With Fog
12
|
Days With Snow
2
|
Days With Lows Below Freezing
15
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
28.30 °C
|
Record Low
-18.90 °C
|
|
Record Wind Speed
96.30 km/h
|
Record Monthly Snowfall
58.4 cm
|
Record 24-hour Snowfall
45.70 cm
|
Record Monthly Rainfall
211 mm
|
Record 24-hour Rainfall
63 mm
|
Record Minimum Monthly Precipitation
0.76 mm
|
| Averages | |
|
Average High Temperature
16.10 °C
|
Average Low Temperature
3.90 °C
|
|
Average Mean Temp
10.00 °C
|
Average Dew Point
2.80 °C
|
|
Average Windspeed
20.40 km/h
|
Average Wind Direction
225.0
|
|
Average Morning Relative Humidity
79.0
|
Average Afternoon Relative Humidity
50.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
12.69
|
|
Average Snowfall (US Only)
5.10
|
|
| Daily Counts | |
|
Days With Precipitation
12
|
Days With Thunderstorms
3
|
|
Days With Fog
11
|
Days With Snow
1
|
Days With Lows Below Freezing
9
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
30.00 °C
|
Record Low
-17.20 °C
|
|
Record Wind Speed
90.70 km/h
|
Record Monthly Snowfall
50.8 cm
|
Record 24-hour Snowfall
22.80 cm
|
Record Monthly Rainfall
264 mm
|
Record 24-hour Rainfall
102 mm
|
Record Minimum Monthly Precipitation
4.31 mm
|
| Averages | |
|
Average High Temperature
21.70 °C
|
Average Low Temperature
8.30 °C
|
|
Average Mean Temp
15.00 °C
|
Average Dew Point
7.20 °C
|
|
Average Windspeed
18.50 km/h
|
Average Wind Direction
225.0
|
|
Average Morning Relative Humidity
80.0
|
Average Afternoon Relative Humidity
46.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
9.14
|
|
Average Snowfall (US Only)
2.50
|
|
| Daily Counts | |
|
Days With Precipitation
11
|
Days With Thunderstorms
4
|
|
Days With Fog
9
|
Days With Snow
*
|
Days With Lows Below Freezing
2
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
32.80 °C
|
Record Low
-5.60 °C
|
|
Record Wind Speed
94.40 km/h
|
Record Monthly Snowfall
27.9 cm
|
Record 24-hour Snowfall
27.90 cm
|
Record Monthly Rainfall
183 mm
|
Record 24-hour Rainfall
81 mm
|
Record Minimum Monthly Precipitation
1.02 mm
|
| Averages | |
|
Average High Temperature
25.60 °C
|
Average Low Temperature
13.30 °C
|
|
Average Mean Temp
19.40 °C
|
Average Dew Point
12.80 °C
|
|
Average Windspeed
16.70 km/h
|
Average Wind Direction
225.0
|
|
Average Morning Relative Humidity
85.0
|
Average Afternoon Relative Humidity
52.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
9.90
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
11
|
Days With Thunderstorms
7
|
|
Days With Fog
13
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
1
|
| Records | |
|
Record High
34.40 °C
|
Record Low
0.00 °C
|
|
Record Wind Speed
85.20 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
279 mm
|
Record 24-hour Rainfall
86 mm
|
Record Minimum Monthly Precipitation
1.78 mm
|
| Averages | |
|
Average High Temperature
29.40 °C
|
Average Low Temperature
17.80 °C
|
|
Average Mean Temp
23.90 °C
|
Average Dew Point
17.20 °C
|
|
Average Windspeed
14.80 km/h
|
Average Wind Direction
225.0
|
|
Average Morning Relative Humidity
86.0
|
Average Afternoon Relative Humidity
54.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
9.64
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
8
|
|
Days With Fog
14
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
7
|
| Records | |
|
Record High
38.90 °C
|
Record Low
6.10 °C
|
|
Record Wind Speed
92.60 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
208 mm
|
Record 24-hour Rainfall
74 mm
|
Record Minimum Monthly Precipitation
1.27 mm
|
| Averages | |
|
Average High Temperature
31.10 °C
|
Average Low Temperature
20.00 °C
|
|
Average Mean Temp
25.60 °C
|
Average Dew Point
19.40 °C
|
|
Average Windspeed
13.00 km/h
|
Average Wind Direction
225.0
|
|
Average Morning Relative Humidity
89.0
|
Average Afternoon Relative Humidity
56.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
11.42
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
11
|
Days With Thunderstorms
10
|
|
Days With Fog
17
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
12
|
| Records | |
|
Record High
39.40 °C
|
Record Low
9.40 °C
|
|
Record Wind Speed
111.10 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
256 mm
|
Record 24-hour Rainfall
109 mm
|
Record Minimum Monthly Precipitation
1.78 mm
|
| Averages | |
|
Average High Temperature
30.60 °C
|
Average Low Temperature
19.40 °C
|
|
Average Mean Temp
25.00 °C
|
Average Dew Point
19.40 °C
|
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
45.0
|
|
Average Morning Relative Humidity
91.0
|
Average Afternoon Relative Humidity
55.0
|
|
Typical Sky Cover
SCT
|
Average Precipitation (US Only)
7.87
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
7
|
|
Days With Fog
20
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
10
|
| Records | |
|
Record High
38.90 °C
|
Record Low
11.70 °C
|
|
Record Wind Speed
90.70 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
170 mm
|
Record 24-hour Rainfall
84 mm
|
Record Minimum Monthly Precipitation
2.03 mm
|
| Averages | |
|
Average High Temperature
27.80 °C
|
Average Low Temperature
16.10 °C
|
|
Average Mean Temp
21.70 °C
|
Average Dew Point
16.10 °C
|
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
45.0
|
|
Average Morning Relative Humidity
91.0
|
Average Afternoon Relative Humidity
54.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
7.36
|
|
Average Snowfall (US Only)
0.00
|
|
| Daily Counts | |
|
Days With Precipitation
8
|
Days With Thunderstorms
3
|
|
Days With Fog
18
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
3
|
| Records | |
|
Record High
39.40 °C
|
Record Low
2.20 °C
|
|
Record Wind Speed
68.50 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
234 mm
|
Record 24-hour Rainfall
84 mm
|
Record Minimum Monthly Precipitation
1.02 mm
|
| Averages | |
|
Average High Temperature
21.70 °C
|
Average Low Temperature
8.90 °C
|
|
Average Mean Temp
15.60 °C
|
Average Dew Point
9.40 °C
|
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
45.0
|
|
Average Morning Relative Humidity
89.0
|
Average Afternoon Relative Humidity
51.0
|
|
Typical Sky Cover
CLR
|
Average Precipitation (US Only)
7.11
|
|
Average Snowfall (US Only)
*
|
|
| Daily Counts | |
|
Days With Precipitation
8
|
Days With Thunderstorms
1
|
|
Days With Fog
17
|
Days With Snow
0
|
Days With Lows Below Freezing
1
|
Days above 90° F (32.2° C)
*
|
| Records | |
|
Record High
32.80 °C
|
Record Low
-3.90 °C
|
|
Record Wind Speed
70.40 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
170 mm
|
Record 24-hour Rainfall
61 mm
|
Record Minimum Monthly Precipitation
* mm
|
| Averages | |
|
Average High Temperature
15.00 °C
|
Average Low Temperature
3.30 °C
|
|
Average Mean Temp
9.40 °C
|
Average Dew Point
3.90 °C
|
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
45.0
|
|
Average Morning Relative Humidity
84.0
|
Average Afternoon Relative Humidity
54.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
9.64
|
|
Average Snowfall (US Only)
2.50
|
|
| Daily Counts | |
|
Days With Precipitation
10
|
Days With Thunderstorms
1
|
|
Days With Fog
14
|
Days With Snow
*
|
Days With Lows Below Freezing
9
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
28.90 °C
|
Record Low
-15.00 °C
|
|
Record Wind Speed
103.70 km/h
|
Record Monthly Snowfall
45.7 cm
|
Record 24-hour Snowfall
40.60 cm
|
Record Monthly Rainfall
264 mm
|
Record 24-hour Rainfall
102 mm
|
Record Minimum Monthly Precipitation
3.05 mm
|
| Averages | |
|
Average High Temperature
10.00 °C
|
Average Low Temperature
0.00 °C
|
|
Average Mean Temp
5.00 °C
|
Average Dew Point
0.00 °C
|
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
45.0
|
|
Average Morning Relative Humidity
82.0
|
Average Afternoon Relative Humidity
59.0
|
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
11.42
|
|
Average Snowfall (US Only)
5.10
|
|
| Daily Counts | |
|
Days With Precipitation
11
|
Days With Thunderstorms
1
|
|
Days With Fog
13
|
Days With Snow
1
|
Days With Lows Below Freezing
18
|
Days above 90° F (32.2° C)
0
|
| Records | |
|
Record High
26.70 °C
|
Record Low
-21.10 °C
|
|
Record Wind Speed
94.40 km/h
|
Record Monthly Snowfall
33.0 cm
|
Record 24-hour Snowfall
17.80 cm
|
Record Monthly Rainfall
294 mm
|
Record 24-hour Rainfall
119 mm
|
Record Minimum Monthly Precipitation
1.02 mm
|
Rise 6:27AM
Set 8:36PM
Waxing gibbous
Rise3:15PM
Set3:30AM
FRIDAY AFTERNOON
CHA / Delays under 15 minutes
| Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
| Friday |  |
Fire danger very low | 30% | 31% |
| Saturday | |
Fire danger very low | 30% | 31% |
| Sunday |  |
Fire danger low | 30% | 31% |
| Monday | |
Fire danger low | 30% | 31% |
| Tuesday | |
Fire danger low | 30% | 31% |
| Wednesday | |
Fire danger low | 30% | 31% |
Rise 6:27AM
Set 8:36PM
Waxing gibbous
Rise3:15PM
Set3:30AM
FRIDAY AFTERNOON
CHA / Delays under 15 minutes
Rise 6:27AM
Set 8:36PM
Waxing gibbous
Rise3:15PM
Set3:30AM
FRIDAY AFTERNOON
CHA / Delays under 15 minutes
Snow conditions provided by SnoCountry Mountain Reports™