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StormTracker blog

Good evening. Looks like it is going to be a beautiful evening. Temperatures will cool off quickly tonight. Lows near 45* The wind will be light out of the Southeast at 5-15 mph. Friday will be turning cloudy with some showers moving into the Red River Valley either late afternoon or during the evening hours. Some hit and miss showers and thunderstorms this weekend with high temperatures most days close to 70*.

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August 17, 2012

Temperature   Observed Time Record Year Normal Normal Departure Last Year High 77° 459 PM 98° 1945 82° -5° 82° Low 44° 531 AM 33° 1888 58° -14° 52° Average 61°       70° -9° 67°
Precipitation   Observed Record Year Normal Normal Departure Last Year Precipitation 0.00 3.11 2005 0.08 -0.08 0.00 Month to Date 0.91 1.25     -0.34 4.03 SINCE JUN 1 6.29 7.94     -1.65 12.79 Since Jan. 1 11.21 14.75     -3.54 21.93
Snow   Observed Record Year Normal Normal Departure Last Year Snowfall 0.0 0.0 0.0 0.0 Month to Date 0.0     0.0 0.0 SINCE JUN 1 0.0     0.0 0.0 SINCE JUL 1 0.0     0.0 0.0 Snow Depth
Degree Days Heating   Observed Normal Normal Departure Last Year Heating 4 1 3 0 Month to Date 12 13 -1 0 SINCE JUN 1 32 102 -70 48 SINCE JUL 1 12 29 -17 0
Degree Days Cooling   Observed Normal Normal Departure Last Year Cooling 0 5 -5 2 Month to Date 69 107 -38 115 SINCE JUN 1 610 416 194 526 SINCE JAN 1 668 447 221 531
Wind   Observed Highest Speed 3 Highest Direction 3 Highest Gust Speed 3 Highest Guest Direction 3	Relative Humidity   Observed Time Highest 3 3 Lowest 3 3 Average 3
Forecast Skycover POSSIBLE SUNSHINE: MM AVERAGE SKY COVER: 0.0 Conditions NO SIGNIFICANT WEATHER WAS OBSERVED.	Climate Normals for Today   Average Record Year Temperature High 81° 106° 1976 Temperature Low 57° 41° 2002     August 18 2012 Sunrise 629 AM CDT Sunset 832 PM CDT August 19 2012 Sunrise 630 AM CDT Sunset 830 PM CDT
Source: National Weather Service Climate Report

Wind (mph)	Temperature (Fahrenheit)
0	35°	30°	25°	20°	15°	10°	5°	0°	-5°	-10°	-15°	-20°	-25°	-30°	-35°	-40°	-45°
5	31	25	9	13	7	-1	-5	-11	-16	-22	-28	-34	-40	-46	-52	-57	-72
10	27	21	15	9	3	-4	-10	-16	-22	-28	-35	-41	-47	-53	-59	-66	-77
15	25	19	13	6	0	-7	-13	-19	-26	-35	-39	-45	-51	-58	-64	-71	-81
20	24	17	11	4	-2	-9	-15	-22	-29	-35	-37	-44	-55	-61	-68	-74	-84
25	23	16	9	3	-4	-11	-17	-24	-31	-37	-44	-51	-58	-64	-71	-78	-87
30	22	15	8	1	-5	-12	-19	-26	-33	-39	-46	-53	-60	-67	-73	-80	-89
35	21	14	7	0	-7	-14	-21	-28	-34	-41	-48	-55	-62	-69	-76	-82	-91
40	20	13	6	-1	-8	-15	-22	-29	-36	-43	-50	-57	-64	-71	-78	-84	-93
45	19	12	5	-2	-9	-16	-23	-30	-37	-44	-51	-58	-65	-72	-79	-86	-93
50	19	12	4	-3	-10	-17	-24	-31	-38	-45	-52	-60	-67	-74	-81	-89	-95
55	18	11	4	-3	-11	-18	-25	-32	-39	-46	-54	-61	-68	-75	-82	-89	-97
60	17	10	3	-4	-11	-19	-26	-33	-40	-48	-55	-62	-69	-76	-84	-91	-98

	Increasing Danger (Frostbite in 30 min.)
	Heightened Danger (Frostbite in 10 min.)
	Great Danger (Frostbite in 5 min.)

Differences Between the new and old systems

• Wind speed is now calculated for 5 feet off the ground. Wind speed was previously based on observations at 33 feet.
• The calm wind threshold was lowered to 3mph.
• A consistent standard for skin tissue resistance is now in use.
• Measurements are based on how wind affects the human face, typically the most exposed portion of the body.
• The table incorporates the theory that heat is lost from the body depending on its surroundings
• The sun's impact is not factored into the wind chill temperature formula.