AUGUST 25TH, 1635-"Great Colonial Hurricane" delivers a 20 ft. (6 m) storm surge to New England.
Rise 6:32AM
Set 7:49PM
Reporting Station : Leesburg / Godfrey, VA
Clear. Warm.
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Rise 6:32AM
Set 7:49PM
Waning gibbous
Rise11:14PM
Set1:35PM
SUNDAY AFTERNOON
IAD / No delays
AUGUST 25TH, 1635-"Great Colonial Hurricane" delivers a 20 ft. (6 m) storm surge to New England.
AUGUST 25TH, 1635 |
"Great Colonial Hurricane" delivers a 20 ft. (6 m) storm surge to New England. |
AUGUST 25TH, 1885 |
A severe hurricane struck South Carolina causing 1.3 million dollars damage at Charleston. |
AUGUST 24TH, 1906 |
A cloudburst deluged Guinea VA with more than nine inches of rain in just forty minutes. |
AUGUST 24TH, 1992 |
Packing 145 to 175 mph winds, Hurricane Andrew comes ashore in Miami and other areas in Dade County, demolishing entire neighborhoods and killing 15 in Florida. In Louisiana, three also perish. Losses total over $25 billion, including 25,000 homes destroyed and 100,000 others damaged, leaving a quarter of a million people temporarily homeless. |
AUGUST 23RD, 1906 |
Thunderstorms deluged Kansas City MO with six inches of rain during the early morning, including nearly three inches in thirty minutes. |
AUGUST 23RD, 1933 |
The Chesapeake-Potomac hurricane moved over Norfolk VA and Washington D.C. A tide seven feet above normal flooded businesses in Norfolk, and damage in Maryland was estimated at seventeen million dollars. |
AUGUST 22ND, 1816 |
The growing season for corn was cut short as damaging frosts were reported from North Carolina to interior New England. |
AUGUST 22ND, 1923 |
The temperature at Anchorage AK reached 82 degrees, a record for August for the location which was later tied on the 2nd in 1978. |
AUGUST 21ST, 1883 |
In Minnesota, 31 die when a tornado touches down at Rochester. Thirty-five years later, in 1918, a twister kills 36 at Tyler MN. |
AUGUST 21ST, 1888 |
A tornado swarm occurred in Maryland and Delaware. Many waterspouts were seen over Chesapeake Bay. |
AUGUST 20TH, 1886 |
The town of Indianola TX was completely destroyed by a hurricane, and never rebuilt. |
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 6:32AM
Set 7:49PM
Waning gibbous
Rise11:14PM
Set1:35PM
SUNDAY AFTERNOON
IAD / No delays
History | |||
Weather Station: Washington-Dulles International Airport , VA , US | |||
August Data | Choose another month |
Averages | |
Average High Temperature
4.40 °C
|
Average Low Temperature
-6.10 °C
|
Average Mean Temp
-0.60 °C
|
Average Dew Point
-6.10 °C
|
Average Windspeed
20.40 km/h
|
Average Wind Direction
315.0
|
Average Morning Relative Humidity
76.0
|
Average Afternoon Relative Humidity
56.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
7.11
|
Average Snowfall (US Only)
20.30
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
*
|
Days With Fog
12
|
Days With Snow
4
|
Days With Lows Below Freezing
26
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
23.90 °C
|
Record Low
-27.80 °C
|
Record Wind Speed
100.00 km/h
|
Record Monthly Snowfall
73.6 cm
|
Record 24-hour Snowfall
27.90 cm
|
Record Monthly Rainfall
168 mm
|
Record 24-hour Rainfall
41 mm
|
Record Minimum Monthly Precipitation
1.02 mm
|
Averages | |
Average High Temperature
6.70 °C
|
Average Low Temperature
-5.00 °C
|
Average Mean Temp
1.10 °C
|
Average Dew Point
-5.60 °C
|
Average Windspeed
20.40 km/h
|
Average Wind Direction
315.0
|
Average Morning Relative Humidity
77.0
|
Average Afternoon Relative Humidity
52.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
7.11
|
Average Snowfall (US Only)
17.80
|
|
Daily Counts | |
Days With Precipitation
9
|
Days With Thunderstorms
*
|
Days With Fog
10
|
Days With Snow
3
|
Days With Lows Below Freezing
23
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
26.10 °C
|
Record Low
-25.60 °C
|
Record Wind Speed
85.20 km/h
|
Record Monthly Snowfall
71.1 cm
|
Record 24-hour Snowfall
58.40 cm
|
Record Monthly Rainfall
147 mm
|
Record 24-hour Rainfall
53 mm
|
Record Minimum Monthly Precipitation
0.51 mm
|
Averages | |
Average High Temperature
12.80 °C
|
Average Low Temperature
0.00 °C
|
Average Mean Temp
6.70 °C
|
Average Dew Point
-1.10 °C
|
Average Windspeed
20.40 km/h
|
Average Wind Direction
315.0
|
Average Morning Relative Humidity
77.0
|
Average Afternoon Relative Humidity
48.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
7.87
|
Average Snowfall (US Only)
7.60
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
1
|
Days With Fog
11
|
Days With Snow
2
|
Days With Lows Below Freezing
17
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
31.70 °C
|
Record Low
-14.40 °C
|
Record Wind Speed
98.20 km/h
|
Record Monthly Snowfall
27.9 cm
|
Record 24-hour Snowfall
15.20 cm
|
Record Monthly Rainfall
147 mm
|
Record 24-hour Rainfall
46 mm
|
Record Minimum Monthly Precipitation
2.54 mm
|
Averages | |
Average High Temperature
18.30 °C
|
Average Low Temperature
4.40 °C
|
Average Mean Temp
11.70 °C
|
Average Dew Point
3.90 °C
|
Average Windspeed
20.40 km/h
|
Average Wind Direction
315.0
|
Average Morning Relative Humidity
77.0
|
Average Afternoon Relative Humidity
46.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
7.87
|
Average Snowfall (US Only)
*
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
2
|
Days With Fog
11
|
Days With Snow
*
|
Days With Lows Below Freezing
6
|
Days above 90° F (32.2° C)
*
|
Records | |
Record High
33.30 °C
|
Record Low
-8.30 °C
|
Record Wind Speed
109.30 km/h
|
Record Monthly Snowfall
10.2 cm
|
Record 24-hour Snowfall
7.60 cm
|
Record Monthly Rainfall
185 mm
|
Record 24-hour Rainfall
53 mm
|
Record Minimum Monthly Precipitation
0.76 mm
|
Averages | |
Average High Temperature
23.30 °C
|
Average Low Temperature
10.00 °C
|
Average Mean Temp
17.20 °C
|
Average Dew Point
10.60 °C
|
Average Windspeed
13.00 km/h
|
Average Wind Direction
180.0
|
Average Morning Relative Humidity
82.0
|
Average Afternoon Relative Humidity
53.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
10.15
|
Average Snowfall (US Only)
*
|
|
Daily Counts | |
Days With Precipitation
12
|
Days With Thunderstorms
4
|
Days With Fog
15
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
1
|
Records | |
Record High
36.10 °C
|
Record Low
-2.20 °C
|
Record Wind Speed
85.20 km/h
|
Record Monthly Snowfall
* cm
|
Record 24-hour Snowfall
* cm
|
Record Monthly Rainfall
261 mm
|
Record 24-hour Rainfall
79 mm
|
Record Minimum Monthly Precipitation
2.03 mm
|
Averages | |
Average High Temperature
28.30 °C
|
Average Low Temperature
15.00 °C
|
Average Mean Temp
21.70 °C
|
Average Dew Point
16.10 °C
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
180.0
|
Average Morning Relative Humidity
84.0
|
Average Afternoon Relative Humidity
54.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
9.90
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
6
|
Days With Fog
16
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
5
|
Records | |
Record High
37.80 °C
|
Record Low
2.20 °C
|
Record Wind Speed
118.50 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
462 mm
|
Record 24-hour Rainfall
279 mm
|
Record Minimum Monthly Precipitation
1.27 mm
|
Averages | |
Average High Temperature
30.60 °C
|
Average Low Temperature
17.80 °C
|
Average Mean Temp
24.40 °C
|
Average Dew Point
18.30 °C
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
180.0
|
Average Morning Relative Humidity
85.0
|
Average Afternoon Relative Humidity
54.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
8.88
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
6
|
Days With Fog
19
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
11
|
Records | |
Record High
40.00 °C
|
Record Low
5.00 °C
|
Record Wind Speed
125.90 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
180 mm
|
Record 24-hour Rainfall
66 mm
|
Record Minimum Monthly Precipitation
2.28 mm
|
Averages | |
Average High Temperature
30.00 °C
|
Average Low Temperature
17.20 °C
|
Average Mean Temp
23.30 °C
|
Average Dew Point
17.80 °C
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
180.0
|
Average Morning Relative Humidity
88.0
|
Average Afternoon Relative Humidity
55.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
10.15
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
5
|
Days With Fog
21
|
Days With Snow
0
|
Days With Lows Below Freezing
0
|
Days above 90° F (32.2° C)
8
|
Records | |
Record High
40.00 °C
|
Record Low
3.30 °C
|
Record Wind Speed
109.30 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
272 mm
|
Record 24-hour Rainfall
119 mm
|
Record Minimum Monthly Precipitation
2.03 mm
|
Averages | |
Average High Temperature
26.10 °C
|
Average Low Temperature
12.80 °C
|
Average Mean Temp
19.40 °C
|
Average Dew Point
14.40 °C
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
180.0
|
Average Morning Relative Humidity
89.0
|
Average Afternoon Relative Humidity
55.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
8.63
|
Average Snowfall (US Only)
0.00
|
|
Daily Counts | |
Days With Precipitation
8
|
Days With Thunderstorms
2
|
Days With Fog
19
|
Days With Snow
0
|
Days With Lows Below Freezing
*
|
Days above 90° F (32.2° C)
3
|
Records | |
Record High
37.20 °C
|
Record Low
-1.10 °C
|
Record Wind Speed
87.00 km/h
|
Record Monthly Snowfall
0.0 cm
|
Record 24-hour Snowfall
0.00 cm
|
Record Monthly Rainfall
287 mm
|
Record 24-hour Rainfall
140 mm
|
Record Minimum Monthly Precipitation
1.52 mm
|
Averages | |
Average High Temperature
20.00 °C
|
Average Low Temperature
5.60 °C
|
Average Mean Temp
12.80 °C
|
Average Dew Point
7.20 °C
|
Average Windspeed
11.10 km/h
|
Average Wind Direction
180.0
|
Average Morning Relative Humidity
88.0
|
Average Afternoon Relative Humidity
52.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
8.38
|
Average Snowfall (US Only)
*
|
|
Daily Counts | |
Days With Precipitation
8
|
Days With Thunderstorms
1
|
Days With Fog
15
|
Days With Snow
*
|
Days With Lows Below Freezing
5
|
Days above 90° F (32.2° C)
*
|
Records | |
Record High
32.20 °C
|
Record Low
-9.40 °C
|
Record Wind Speed
83.30 km/h
|
Record Monthly Snowfall
2.5 cm
|
Record 24-hour Snowfall
2.50 cm
|
Record Monthly Rainfall
234 mm
|
Record 24-hour Rainfall
104 mm
|
Record Minimum Monthly Precipitation
* mm
|
Averages | |
Average High Temperature
13.90 °C
|
Average Low Temperature
1.10 °C
|
Average Mean Temp
7.80 °C
|
Average Dew Point
1.70 °C
|
Average Windspeed
18.50 km/h
|
Average Wind Direction
315.0
|
Average Morning Relative Humidity
83.0
|
Average Afternoon Relative Humidity
54.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
8.12
|
Average Snowfall (US Only)
2.50
|
|
Daily Counts | |
Days With Precipitation
9
|
Days With Thunderstorms
1
|
Days With Fog
12
|
Days With Snow
1
|
Days With Lows Below Freezing
15
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
28.90 °C
|
Record Low
-12.80 °C
|
Record Wind Speed
85.20 km/h
|
Record Monthly Snowfall
27.9 cm
|
Record 24-hour Snowfall
27.90 cm
|
Record Monthly Rainfall
198 mm
|
Record 24-hour Rainfall
61 mm
|
Record Minimum Monthly Precipitation
0.51 mm
|
Averages | |
Average High Temperature
7.20 °C
|
Average Low Temperature
-3.30 °C
|
Average Mean Temp
2.20 °C
|
Average Dew Point
-3.30 °C
|
Average Windspeed
20.40 km/h
|
Average Wind Direction
315.0
|
Average Morning Relative Humidity
78.0
|
Average Afternoon Relative Humidity
57.0
|
Typical Sky Cover
OVR
|
Average Precipitation (US Only)
8.12
|
Average Snowfall (US Only)
10.20
|
|
Daily Counts | |
Days With Precipitation
10
|
Days With Thunderstorms
*
|
Days With Fog
12
|
Days With Snow
2
|
Days With Lows Below Freezing
24
|
Days above 90° F (32.2° C)
0
|
Records | |
Record High
25.60 °C
|
Record Low
-20.00 °C
|
Record Wind Speed
100.00 km/h
|
Record Monthly Snowfall
60.9 cm
|
Record 24-hour Snowfall
27.90 cm
|
Record Monthly Rainfall
170 mm
|
Record 24-hour Rainfall
74 mm
|
Record Minimum Monthly Precipitation
1.02 mm
|
Rise 6:32AM
Set 7:49PM
Waning gibbous
Rise11:14PM
Set1:35PM
SUNDAY AFTERNOON
IAD / No delays
Day | Reason | Upper Soil Moisture | Lower Soil Moisture | |
Monday | Fire danger high | 19% | 25% | |
Tuesday | Fire danger moderate | 19% | 25% | |
Wednesday | Fire danger moderate | 19% | 25% | |
Thursday | Fire danger very low | 19% | 25% | |
Friday | Fire danger low | 19% | 25% | |
Saturday | Fire danger very low | 19% | 25% |
Rise 6:32AM
Set 7:49PM
Waning gibbous
Rise11:14PM
Set1:35PM
SUNDAY AFTERNOON
IAD / No delays
Rise 6:32AM
Set 7:49PM
Waning gibbous
Rise11:14PM
Set1:35PM
SUNDAY AFTERNOON
IAD / No delays