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Grainola, OK Natural Disasters and Weather Extremes

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The chance of earthquake damage in Grainola is lower than Oklahoma average and is much lower than the national average. The risk of tornado damage in Grainola is much lower than Oklahoma average and is much higher than the national average.

Topics:Earthquake Index Volcano Index Tornado Index Other Weather Extremes Events Volcanos Nearby Historical Earthquake Events Historical Tornado Events

Earthquake Index, #793

Grainola, OK	0.00
Oklahoma	0.31
U.S.	1.81

The earthquake index value is calculated based on historical earthquake events data using USA.com algorithms. It is an indicator of the earthquake level in a region. A higher earthquake index value means a higher chance of an earthquake.

Volcano Index, #1

Grainola, OK	0.0000
Oklahoma	0.0000
U.S.	0.0023

The volcano index value is calculated based on the currently known volcanoes using USA.com algorithms. It is an indicator of the possibility of a region being affected by a possible volcano eruption. A higher volcano index value means a higher chance of being affected.

Tornado Index, #693

Grainola, OK	227.82
Oklahoma	363.83
U.S.	136.45

The tornado index value is calculated based on historical tornado events data using USA.com algorithms. It is an indicator of the tornado level in a region. A higher tornado index value means a higher chance of tornado events.

Other Weather Extremes Events

A total of 5,179 other weather extremes events within 50 miles of Grainola, OK were recorded from 1950 to 2010. The following is a break down of these events:

Type	Count	Type	Count	Type	Count	Type	Count	Type	Count
Avalanche:	0	Blizzard:	2	Cold:	5	Dense Fog:	11	Drought:	30
Dust Storm:	0	Flood:	348	Hail:	2,532	Heat:	27	Heavy Snow:	44
High Surf:	0	Hurricane:	0	Ice Storm:	23	Landslide:	0	Strong Wind:	51
Thunderstorm Winds:	1,953	Tropical Storm:	0	Wildfire:	4	Winter Storm:	37	Winter Weather:	25
Other:	87

Volcanos Nearby

No volcano is found in or near Grainola, OK.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Grainola, OK.

No historical earthquake events found in or near Grainola, OK.

Historical Tornado Events

A total of 91 historical tornado events that had recorded magnitude of 2 or above found in or near Grainola, OK.

Distance (miles)	Date	Magnitude	Start Lat/Log	End Lat/Log	Length	Width	Fatalities	Injuries	Property Damage	Crop Damage	Affected County
12.0	1961-03-26	3	36°46'N / 96°50'W	36°49'N / 96°42'W	8.00 Miles	100 Yards	0	0	25K	0	Kay
13.0	1956-04-02	4	37°00'N / 96°49'W	37°15'N / 96°32'W	23.20 Miles	880 Yards	1	6	2.5M	0	Cowley
13.6	1956-04-02	4	36°49'N / 96°58'W	37°00'N / 96°49'W	15.10 Miles	880 Yards	0	2	250K	0	Kay
18.8	2003-05-08	3	36°35'N / 96°43'W	36°53'N / 96°08'W	45.00 Miles	880 Yards	0	0	250K	0	Osage
		Brief Description: A F3 tornado touched down northwest of Fairfax and traveled northeast across rural areas of Osage county before dissipating just west of Bowring. The one community it did effect was Little Chief. Oil tanks southwest of Little Chief were taken off their foundation and rolled a quarter of a mile. In Little Chief a RV was destroyed and there was considerable tree damage. In a field not far from Little Chief seven cattle were killed. Along Highway 60 to the northeast of Little Chief a house and garage were completely swept from their foundation. At the same location a barn was destroyed and three horses were killed. Further to the northeast as the tornado entered the Tall Grass Prairie Preserve, it produced additional significant tree damage. Throughout the path of the tornado up to 30 power poles were blown down causing power outages across a significant part of Osage county. The F3 damage was classified at two locations: the first was near where the cattle were killed--this was the only location that showed the scouring of grasses along the path; the second location was in the western sections of the Tall Grass Prairie Reserve where an Oak Forest was heavily damaged. Although the one house was swept off its foundation, it was clear that this house's anchoring failed prematurely. On this property there were several examples, especially with vegetation, that hinted that this stretch of the tornado track was probably less than F3 intensity.
21.1	1991-04-26	4	36°34'N / 96°54'W	36°42'N / 96°27'W	27.00 Miles	1500 Yards	0	0	2.5M	0	Osage
21.2	1978-04-17	2	36°52'N / 97°07'W	36°59'N / 96°57'W	12.20 Miles	100 Yards	0	0	250K	0	Kay
21.9	1973-03-13	2	37°00'N / 96°58'W	37°27'N / 96°40'W	35.10 Miles	50 Yards	0	0	2.5M	0	Cowley
22.3	1973-03-13	2	36°48'N / 97°08'W	37°00'N / 96°58'W	16.50 Miles	250 Yards	0	1	2.5M	0	Kay
22.3	1979-03-18	2	36°54'N / 97°03'W				0	0	25K	0	Kay
23.1	1981-05-17	2	36°59'N / 96°14'W				0	0	0K	0	Osage
23.2	1965-03-16	2	36°40'N / 96°24'W		2.00 Miles	50 Yards	0	0	25K	0	Osage
23.4	1978-04-17	2	36°49'N / 97°07'W	36°53'N / 97°00'W	7.80 Miles	60 Yards	0	0	250K	0	Kay
23.8	1981-05-17	2	37°04'N / 97°03'W		0.50 Mile	100 Yards	0	0	2.5M	0	Cowley
24.0	1954-03-24	2	36°56'N / 97°06'W	36°58'N / 97°04'W	2.70 Miles	200 Yards	0	0	25K	0	Kay
24.2	1973-04-30	2	36°59'N / 97°05'W		0.40 Mile	67 Yards	0	0	25K	0	Kay
24.7	1956-04-02	4	37°15'N / 96°32'W	37°18'N / 96°28'W	5.10 Miles	880 Yards	0	0	25K	0	Chautauqua
25.8	1978-04-17	2	36°44'N / 97°08'W	36°47'N / 96°59'W	9.00 Miles	40 Yards	0	0	25K	0	Kay
25.9	1991-04-26	4	37°04'N / 97°09'W	37°21'N / 96°48'W	25.00 Miles	500 Yards	1	0	25.0M	0	Cowley
26.0	1973-06-04	2	36°40'N / 97°04'W	36°40'N / 96°53'W	10.10 Miles	83 Yards	0	0	3K	0	Osage
26.1	1965-03-16	4	37°07'N / 97°10'W	37°15'N / 96°51'W	19.70 Miles	300 Yards	0	3	250K	0	Cowley
26.2	1991-03-26	3	37°15'N / 96°45'W	37°23'N / 96°35'W	15.00 Miles	200 Yards	0	6	2.5M	0	Cowley
26.2	1982-03-15	2	36°40'N / 96°19'W				0	1	250K	0	Osage
26.3	1967-04-12	2	36°40'N / 96°59'W		0.30 Mile	50 Yards	0	0	25K	0	Osage
27.3	1978-04-17	2	36°46'N / 97°12'W	36°51'N / 97°02'W	10.70 Miles	40 Yards	0	0	25K	0	Kay
27.7	1955-05-25	5	36°53'N / 97°09'W	37°00'N / 97°09'W	8.00 Miles	660 Yards	0	0	250K	0	Kay
28.0	1991-03-26	3	37°05'N / 97°09'W	37°10'N / 97°03'W	7.00 Miles	100 Yards	0	0	250K	0	Cowley
29.0	1973-06-04	2	36°42'N / 97°04'W	36°40'N / 97°04'W	2.30 Miles	100 Yards	0	0	25K	0	Kay
30.3	1956-04-02	2	36°26'N / 96°42'W	36°34'N / 96°41'W	9.20 Miles	100 Yards	0	0	25K	0	Osage
30.4	1961-05-07	2	36°30'N / 96°42'W				0	0	25K	0	Osage
30.9	1964-04-22	2	36°36'N / 97°08'W	36°45'N / 97°04'W	10.90 Miles	733 Yards	0	0	250K	0	Kay
30.9	1983-04-27	2	36°30'N / 96°46'W		0.50 Mile	50 Yards	0	0	25K	0	Pawnee
33.3	1961-03-26	2	36°33'N / 96°20'W	36°45'N / 96°00'W	23.00 Miles	33 Yards	0	26	0K	0	Rogers
33.7	1965-03-16	4	37°00'N / 97°19'W	37°07'N / 97°10'W	11.50 Miles	300 Yards	0	2	250K	0	Sumner
33.8	1980-10-15	3	37°20'N / 96°45'W	37°31'N / 96°40'W	13.30 Miles	150 Yards	0	4	2.5M	0	Cowley
34.2	1968-05-22	2	36°55'N / 97°22'W	36°54'N / 97°10'W	11.10 Miles	100 Yards	0	0	25K	0	Kay
34.4	1956-04-02	4	37°18'N / 96°28'W	37°28'N / 96°16'W	15.80 Miles	880 Yards	1	6	2.5M	0	Elk
34.5	1955-05-25	5	37°00'N / 97°15'W	37°21'N / 97°09'W	24.70 Miles	660 Yards	5	3	250K	0	Sumner
34.6	1955-05-25	5	36°43'N / 97°17'W	37°00'N / 97°15'W	19.60 Miles	500 Yards	20	280	25.0M	0	Kay
34.8	1991-03-26	3	37°00'N / 97°23'W	37°05'N / 97°09'W	16.00 Miles	100 Yards	0	0	250K	0	Sumner
35.8	1959-05-04	2	36°48'N / 97°19'W	36°52'N / 97°15'W	5.70 Miles	300 Yards	0	0	25K	0	Kay
36.2	1980-04-07	2	36°52'N / 96°00'W		1.50 Miles	440 Yards	0	1	250K	0	Osage
36.2	1960-11-27	2	37°19'N / 96°28'W	37°30'N / 96°15'W	17.30 Miles	33 Yards	0	0	25K	0	Elk
36.7	1956-04-02	2	36°23'N / 96°42'W	36°26'N / 96°42'W	3.40 Miles	100 Yards	0	1	25K	0	Pawnee
37.5	1955-05-25	5	37°27'N / 97°00'W	37°27'N / 96°45'W	13.60 Miles	33 Yards	0	0	0K	0	Cowley
37.8	1955-05-25	5	37°00'N / 97°15'W	37°03'N / 97°24'W	8.80 Miles	500 Yards	0	0	250K	0	Sumner
38.0	1968-04-03	2	36°39'N / 97°20'W	36°43'N / 97°11'W	9.40 Miles	100 Yards	0	0	25K	0	Kay
38.0	1961-04-30	2	36°24'N / 96°30'W				0	0	25K	0	Osage
38.3	1955-05-25	2	36°42'N / 97°18'W	36°44'N / 97°16'W	2.70 Miles	500 Yards	0	0	250K	0	Kay
38.5	1965-04-05	2	36°44'N / 96°00'W		1.50 Miles	67 Yards	0	0	250K	0	Washington
38.6	1982-03-15	2	36°44'N / 96°01'W	36°46'N / 95°58'W	3.00 Miles	177 Yards	0	57	25.0M	0	Washington
38.8	1978-05-11	2	36°54'N / 97°23'W	36°55'N / 97°19'W	3.80 Miles	100 Yards	0	3	25K	0	Kay
38.9	1957-05-20	2	36°25'N / 96°23'W				0	0	25K	0	Osage
39.8	1955-05-25	5	37°21'N / 97°09'W	37°23'N / 97°07'W	2.30 Miles	1320 Yards	75	270	250K	0	Cowley
40.0	1955-05-25	5	37°23'N / 97°07'W	37°27'N / 97°00'W	7.80 Miles	33 Yards	0	0	0K	0	Cowley
40.0	1973-06-18	3	36°25'N / 96°20'W		2.50 Miles	40 Yards	0	0	250K	0	Osage
40.1	1991-04-26	2	36°41'N / 97°18'W		1.00 Mile	100 Yards	0	0	250K	0	Kay
40.4	1973-05-26	3	36°58'N / 95°55'W		0.30 Mile	100 Yards	0	3	3K	0	Washington
41.0	2003-04-19	2	36°51'N / 96°00'W	36°56'N / 95°49'W	12.00 Miles	440 Yards	0	3	1.7M	0	Washington
		Brief Description: A tornado entered Washington county 5 miles northwest of Dewey and passed between Dewey and Copan before entering Nowata county 1 mile north of Wann or 6.8 miles east northeast of Copan. The tornado produced F2 damage and a half mile wide damage path at its peak. 41 homes, two businesses and 40 barns and sheds were damaged. 16 of the homes were severely damaged including two mobile homes which were completely destroyed. Three people were treated at an emergency room of a hospital in Bartlesville due to injuries received during the tornado. Two of those people were inhabitants of one of the moble homes that was destroyed.
41.0	1965-03-16	4	36°55'N / 97°28'W	37°00'N / 97°19'W	10.20 Miles	50 Yards	0	0	250K	0	Kay
41.1	2010-05-10	3	36°57'N / 97°27'W	37°00'N / 97°20'W	7.00 Miles	1500 Yards	0	1	0K	0K	Kay
		Brief Description: EVENT NARRATIVE: This is the Kay County portion of tornado #A2. The tornado crossed into Kay County from Grant County and continued to produce significant damage. One home was destroyed and another significantly damaged between the Grant County line and U.S. Highway 177. After the tornado crossed US-177, an anchored mobile home was destroyed and blown to the east, and a tri-level home was destroyed with the top floor blown about 50 yards northeast into some trees, and the ground floor pivoted and was displaced to the northwest exposing the basement where one minor injury occurred. The tornado continued to produce significant tree damage as it moved east-northeast, and blew semi trucks over along Interstate 35 at the Kansas state line. This tornado crossed into Sumner County Kansas. See documentation from the NWS Wichita KS for additional information. EPISODE NARRATIVE: A significant outbreak of severe thunderstorms and tornadoes affected a large part of northern, central, and southern Oklahoma. Tornadoes were most numerous across central and southern Oklahoma, with significant damage occurring over many areas. Severe thunderstorms erupted by mid afternoon across northern and western Oklahoma. Given the potent combination of ingredients in place, storms began to produce tornadoes quickly after initiation. Storm motions of 50 to 60 mph were common. During the mid afternoon hours, severe weather was confined to northern Oklahoma. It was there a long track supercell storm produced tornadoes near the Kansas border - including one rated EF3 - from near Wakita to north of Braman. The capping inversion that had delayed thunderstorm development into central Oklahoma weakened, allowing for explosive supercell development along the dry line along and west of the Interstate 35 corridor. Rapid development and intensification was common with the late afternoon storms, with storms becoming tornadic within a very short time after initiation. This round of storms would directly impact a large part of the Oklahoma City metro area at rush hour, and posed a significant threat to the area. The first tornado in this area occurred in Canadian County. During the next several hours, tornadoes were clustered around the metro area, and at times there were multiple significant damaging tornadoes occurring simultaneously. Several of the tornadoes had long tracks. Damage from the tornadoes was substantial, with numerous structures, vehicles, trees and power poles/lines significantly damaged or destroyed. One of the more intense tornadoes moved across Lake Thunderbird east of Norman destroying numerous boats. More storms developed across southwest and south central Oklahoma, and also quickly became tornadic. By 9 pm, 35 tornadoes had been reported. While the loss of three lives was tragic, the casualties could have been much higher given the storm's fast motions, their intensity, the time of day and the areas impacted. While exact monetary damage figures were not available, it is estimated that losses were in excess of $595 million. At least 450 sustained injuries, most of them minor. Unfortunately three people lost their lives. Note: The large number of injuries and tornadoes made it difficult to associate injuries with specific tornadoes. Injury numbers were included when we had confidence in the numbers. Note: The complex nature of storm evolutions and interactions made the job of classifying tornadoes difficult. This represents our best scientific assessment based on ground and aerial surveys, data from multiple radars, photographic and video evidence and anecdotal information.
41.1	1973-11-19	2	36°37'N / 97°25'W	36°44'N / 97°13'W	13.70 Miles	60 Yards	0	6	2.5M	0	Kay
41.2	1991-04-26	4	36°27'N / 97°26'W	36°34'N / 96°54'W	33.00 Miles	1500 Yards	0	6	2.5M	0	Noble
41.4	1979-03-18	3	36°54'N / 95°56'W	36°55'N / 95°52'W	3.80 Miles	30 Yards	0	0	25K	0	Washington
42.1	1966-06-05	2	36°50'N / 97°24'W		2.50 Miles	100 Yards	0	1	250K	0	Kay
42.3	1991-04-26	2	36°53'N / 95°56'W	36°56'N / 95°50'W	6.00 Miles	100 Yards	1	10	250K	0	Washington
42.4	1965-05-13	3	37°08'N / 97°18'W	37°24'N / 97°18'W	18.40 Miles	100 Yards	0	0	250K	0	Sumner
42.8	1953-05-10	2	37°00'N / 97°36'W	37°23'N / 97°07'W	37.50 Miles	33 Yards	0	0	25K	0	Sumner
43.3	1991-03-26	3	36°56'N / 97°30'W	37°00'N / 97°22'W	9.00 Miles	500 Yards	0	0	2.5M	0	Kay
44.2	1964-04-22	2	36°31'N / 97°27'W	36°36'N / 97°08'W	18.40 Miles	733 Yards	0	0	250K	0	Noble
44.7	1971-06-02	2	36°51'N / 97°27'W				0	0	25K	0	Kay
44.7	1958-11-17	3	36°32'N / 97°28'W	36°48'N / 97°18'W	20.50 Miles	33 Yards	0	0	0K	0	Kay
44.7	1952-06-19	2	37°11'N / 97°25'W	37°13'N / 97°22'W	3.30 Miles	60 Yards	0	0	25K	0	Sumner
44.8	1987-07-05	2	37°31'N / 97°01'W		0.20 Mile	50 Yards	0	0	250K	0	Butler
45.0	1991-04-26	3	37°28'N / 96°25'W	37°37'N / 96°16'W	12.00 Miles	200 Yards	1	2	250K	0	Elk
45.0	1981-05-23	2	36°56'N / 95°53'W	36°57'N / 95°47'W	5.70 Miles	100 Yards	0	0	0K	0	Washington
45.0	1979-03-18	3	36°55'N / 95°52'W	36°55'N / 95°48'W	4.10 Miles	30 Yards	0	0	25K	0	Nowata
46.1	1997-05-25	2	37°08'N / 97°30'W	37°10'N / 97°23'W	8.00 Miles	1700 Yards	0	0	1.9M	0K	Sumner
		Brief Description: TWO (2) FARMSTEADS WERE HEAVILY DAMAGED THAT INCLUDED A 90-YEAR OLD BARN, 2 HOMES, 3 MACHINE SHEDS, A GARAGE AND THE MACHINERY THAT IT HOUSED AS WELL AS NUMEROUS CROPS. A CO-OP LOST A LARGE GRAIN BIN. TREE DAMAGE WAS EXTENSIVE THAT INCLUDED LARGE TREES THAT WERE COMPLETELY UPROOTED.
46.1	1961-03-26	2	36°45'N / 96°00'W	37°00'N / 95°38'W	26.60 Miles	33 Yards	0	0	0K	0	Washington
46.4	2004-08-27	2	37°16'N / 97°24'W	37°13'N / 97°24'W	3.00 Miles	110 Yards	0	0	250K	0	Sumner
		Brief Description: At intersection of E. 40th St. S and Highway 81, 2 miles south of Wellington, two homes were damaged around 1830 CST. The first, a 2-story brick structure, was unroofed and had one wall collapsed. (F2 rating assigned to this property.) Tree damage also occurred on & around the property. The 2nd, neighboring home, of wood frame construction, was located 30 feet distant, and sustained minor roof damag. (F0 rating assigned to this property.) In addition, four power poles were snapped to near the ground as were, of course, their associated power lines.
46.5	1965-06-03	2	37°22'N / 96°18'W	37°39'N / 96°06'W	22.40 Miles	87 Yards	0	0	0K	0	Elk
46.8	1954-05-01	2	36°15'N / 96°54'W	36°19'N / 96°50'W	5.90 Miles	33 Yards	0	0	25K	0	Pawnee
46.9	2004-06-12	3	37°28'N / 97°14'W	37°26'N / 97°11'W	4.00 Miles	75 Yards	0	2	500K	75K	Sumner
		Brief Description: The tornado started moving NE before becoming influenced by the outflow of the storm and darted back to the SE. The tornado ripped the roof off one home and blew out two walls and a roof of another. However, the tornado took dead aim on one home about 3.5 miles SE of Mulvane and completely removed it from it's foundation. Two inhabitants were under the staircase in the basement and escaped with only minor injuries.
47.4	1982-03-15	3	37°01'N / 95°51'W	37°04'N / 95°45'W	6.00 Miles	300 Yards	1	1	2.5M	0	Montgomery
47.5	1959-03-31	2	36°18'N / 97°02'W	36°20'N / 97°00'W	2.70 Miles	33 Yards	0	0	3K	0	Noble
47.9	1956-04-02	4	37°28'N / 96°16'W	37°36'N / 96°08'W	11.50 Miles	880 Yards	0	0	0K	0	Elk
47.9	1959-06-18	2	37°32'N / 96°12'W		2.50 Miles	100 Yards	0	0	3K	0	Elk
48.6	1956-04-02	2	36°39'N / 97°27'W				0	0	0K	0	Kay
48.7	1960-11-27	2	37°25'N / 97°15'W	37°40'N / 96°58'W	23.20 Miles	77 Yards	0	2	250K	0	Sumner
49.3	1968-04-03	2	36°31'N / 97°26'W	36°32'N / 97°19'W	6.50 Miles	100 Yards	0	0	25K	0	Noble
49.4	1982-03-15	2	36°49'N / 95°51'W	36°55'N / 95°40'W	12.00 Miles	177 Yards	0	0	250K	0	Nowata
50.0	2006-03-30	2	37°08'N / 95°55'W	37°21'N / 95°44'W	16.00 Miles	125 Yards	0	1	1.0M	0K	Montgomery
		Brief Description: The tornado produced F2 damage 4 miles north of Wayside, and again 2 miles southwest of Sycamore. Several homes and mobile homes were damaged or destroyed along its 16 mile path. The most concentrated damage occurred roughly 2 to 3 miles southwest of Sycamore in the township of Radical, where several homes and mobile homes sustained damage, some of which was major. Additionally, numerous trailers were overturned at Elk City Lake, along with damage at Elk City Lake State Park. Unfortunately, one man was seriously injured (direct) 3 miles southwest of Sycamore, when his home was hit by the tornado. Average path width ranged from 75 to 125 yards.

* The information on this page is based on the global volcano database, the U.S. earthquake database of 1638-1985, and the U.S. Tornado and Weather Extremes database of 1950-2010.