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StormTracker blog

Today will be a bit on the breezy side, but warm. High near 88* with a southeast wind at 10-25 mph. Tonight will be mostly cloudy, with an isolated storm possible. Low near 65* with a southeast wind at 10-20 mph. Thursday will start out nice, but showers and storms will develop during the afternoon. Some severe storms are possible. Storm chances will continue through Sunday with highs in the low to middle 80s.

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June 18, 2013

Temperature   Observed Time Record Year Normal Normal Departure Last Year High 81° 514 PM 104° 1933 78° 3° 84° Low 58° 310 AM 40° 1926 56° 2° 63° Average 70°       67° 3° 74°
Precipitation   Observed Record Year Normal Normal Departure Last Year Precipitation 0.00 3.03 1998 0.14 -0.14 T Month to Date 1.09 2.32     -1.23 1.29 SINCE JUN 1 1.09 2.32     -1.23 1.29 Since Jan. 1 13.99 9.13     4.86 6.21
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 68.4     0.4 8.0 Snow Depth
Degree Days Heating   Observed Normal Normal Departure Last Year Heating 0 2 -2 0 Month to Date 62 55 7 20 SINCE JUN 1 62 55 7 20 SINCE JUL 1 9304 8784 520 6840
Degree Days Cooling   Observed Normal Normal Departure Last Year Cooling 5 4 1 9 Month to Date 38 49 -11 114 SINCE JUN 1 38 49 -11 114 SINCE JAN 1 67 80 -13 172
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: 0.2 Conditions NO SIGNIFICANT WEATHER WAS OBSERVED.	Climate Normals for Today   Average Record Year Temperature High 78° 101° 1933 Temperature Low 56° 37° 1969     June 19 2013 Sunrise 532 AM CDT Sunset 925 PM CDT June 20 2013 Sunrise 532 AM CDT Sunset 925 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.