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Patterson, LA Natural Disasters and Weather Extremes

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The chance of earthquake damage in Patterson is about the same as Louisiana average and is much lower than the national average. The risk of tornado damage in Patterson is much lower than Louisiana average and is lower 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, #292

Patterson, LA	0.01
Louisiana	0.03
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

Patterson, LA	0.0000
Louisiana	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, #573

Patterson, LA	110.30
Louisiana	235.86
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 715 other weather extremes events within 50 miles of Patterson, LA 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:	0	Cold:	1	Dense Fog:	0	Drought:	6
Dust Storm:	0	Flood:	71	Hail:	112	Heat:	4	Heavy Snow:	1
High Surf:	0	Hurricane:	3	Ice Storm:	3	Landslide:	0	Strong Wind:	0
Thunderstorm Winds:	419	Tropical Storm:	1	Wildfire:	0	Winter Storm:	0	Winter Weather:	0
Other:	94

Volcanos Nearby

No volcano is found in or near Patterson, LA.

Historical Earthquake Events

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

No historical earthquake events found in or near Patterson, LA.

Historical Tornado Events

A total of 34 historical tornado events that had recorded magnitude of 2 or above found in or near Patterson, LA.

Distance (miles)	Date	Magnitude	Start Lat/Log	End Lat/Log	Length	Width	Fatalities	Injuries	Property Damage	Crop Damage	Affected County
0.9	1970-03-17	3	29°42'N / 91°18'W		1.00 Mile	50 Yards	0	2	250K	0	St. Mary
6.6	1961-09-10	2	29°42'N / 91°12'W		1.00 Mile	100 Yards	0	16	25K	0	St. Mary
12.6	1971-09-16	2	29°46'N / 91°30'W		0.50 Mile	50 Yards	0	0	25K	0	St. Mary
19.3	1973-09-12	2	29°50'N / 91°05'W	29°50'N / 90°59'W	6.20 Miles	50 Yards	0	3	250K	0	Assumption
20.0	1964-10-03	2	29°55'N / 91°06'W		1.50 Miles	100 Yards	0	0	25K	0	Assumption
21.6	1987-02-15	2	29°58'N / 91°12'W	30°00'N / 91°10'W	3.00 Miles	173 Yards	0	4	250K	0	Assumption
21.9	1952-04-04	2	29°52'N / 91°37'W	29°56'N / 91°33'W	6.40 Miles	20 Yards	0	3	2.5M	0	St. Mary
24.4	1974-01-19	2	29°57'N / 91°02'W		0.30 Mile	27 Yards	0	0	3K	0	Assumption
24.6	1957-10-23	2	29°56'N / 91°06'W	29°56'N / 90°55'W	11.00 Miles	100 Yards	0	0	25K	0	Assumption
24.9	1982-01-30	2	29°59'N / 91°04'W		3.00 Miles	10 Yards	0	1	25K	0	Assumption
27.7	1967-05-01	2	30°05'N / 91°13'W		1.00 Mile	50 Yards	0	1	25K	0	Iberville
30.6	1972-05-12	2	30°08'N / 91°21'W		1.00 Mile	100 Yards	0	0	25K	0	Iberville
32.5	1969-12-25	3	30°08'N / 91°21'W	30°11'N / 91°08'W	13.50 Miles	50 Yards	0	1	25K	0	Iberville
33.2	1960-02-03	2	29°48'N / 90°48'W	29°50'N / 90°45'W	4.30 Miles	100 Yards	0	8	250K	0	Lafourche
33.8	1950-03-19	2	30°06'N / 91°00'W		1.00 Mile	50 Yards	0	0	25K	0	Ascension
33.8	1965-01-22	2	30°06'N / 91°00'W		1.00 Mile	267 Yards	0	0	250K	0	Ascension
33.8	1976-01-25	2	30°06'N / 91°00'W		1.10 Miles	33 Yards	0	7	2.5M	0	Ascension
36.1	2000-03-15	2	29°36'N / 90°43'W	29°36'N / 90°43'W	3.00 Miles	40 Yards	0	36	10.0M	0	Terrebonne
		Brief Description: A tornado touched down in the southeast portion of Houma and moved in a northwest direction to just north of downtown. The tornado moved through both residential and commercial areas of Houma. The damage path was fairly narrow and much of the damage was classified as F1 scale on the Fujita damage scale. However there were areas of F2 tornado damage, particularily in one area where several commercial retail stores had portions of their roofs torn off. Emergency management reported approximately 212 structures received some type of damage, ranging from minor to severe. About 50 of these structures had monetary damage of 50 percent or more of their value. 36 injuries were reported. Only one injury required overnight hospitalization. National Weather Service meteorologist conducted a damage survey of the area.
40.3	1975-04-30	2	30°02'N / 91°53'W	30°05'N / 91°47'W	7.10 Miles	50 Yards	0	1	250K	0	Iberia
40.5	1977-09-14	2	29°57'N / 91°55'W		0.20 Mile	27 Yards	0	0	25K	0	Iberia
43.4	1992-11-21	2	30°03'N / 91°55'W	30°05'N / 91°52'W	2.00 Miles	73 Yards	0	1	250K	0	Iberia
43.6	1975-03-18	2	30°02'N / 91°56'W	30°04'N / 91°53'W	4.10 Miles	50 Yards	0	2	250K	0	Iberia
44.5	1992-11-01	2	30°05'N / 91°54'W		0.50 Mile	40 Yards	0	0	25K	0	St. Martin
44.6	1957-03-21	3	29°30'N / 90°36'W		2.00 Miles	100 Yards	0	2	25K	0	Terrebonne
45.3	1961-11-22	2	29°27'N / 90°36'W	29°38'N / 90°33'W	13.10 Miles	33 Yards	0	0	3K	0	Terrebonne
45.5	1992-11-21	2	30°05'N / 91°52'W	30°16'N / 91°47'W	13.00 Miles	73 Yards	0	3	250K	0	St. Martin
46.5	1965-06-27	2	30°21'N / 91°09'W		0.50 Mile	33 Yards	0	0	25K	0	East Baton Rouge
47.3	1989-06-08	2	30°21'N / 91°29'W	30°23'N / 91°24'W	5.00 Miles	77 Yards	2	30	2.5M	0	Iberville
47.8	1969-04-12	3	30°12'N / 90°54'W	30°17'N / 90°45'W	10.70 Miles	100 Yards	0	1	250K	0	Ascension
48.0	1983-01-31	2	30°23'N / 91°14'W		0.50 Mile	33 Yards	0	0	25K	0	West Baton Rouge
48.8	1982-05-07	2	29°47'N / 92°08'W	29°52'N / 92°05'W	5.00 Miles	100 Yards	0	0	3K	0	Vermilion
49.0	2007-02-13	2	30°13'N / 91°51'W	30°16'N / 91°48'W	4.00 Miles	300 Yards	0	3	1.5M	0K	St. Martin
		Brief Description: EVENT NARRATIVE: Wind speeds were estimated between 110 and 120 mph, or on the low end of EF2. This tornado was spawned by the same storm that produced the Youngsville tornado. The tornado began southwest of the intersection of Poydras Highway and Eunice Road and moved northeast, ending past Nursery Highway. Several brick homes had roofs removed near the highs school, with one home losing most of its second floor. A total of 44 homes were damaged or destroyed, with 80 homes impacted by the tornado. Three injuries occurred in a small brick home where the roof blew off, causing a brick wall and other debris to land on them. Several trees were damaged or uprooted. This was the strongest tornado in southwest Louisiana since the November 23 2004 tornado outbreak. EPISODE NARRATIVE: An approaching cold front resulted in showers and thunderstroms across southwest Louisiana, some of which became severe. Several tornadoes touched down across Acadiana.
49.7	1989-06-08	2	30°23'N / 91°24'W	30°26'N / 91°20'W	5.00 Miles	77 Yards	0	0	2.5M	0	West Baton Rouge
49.8	1953-11-21	2	30°06'N / 91°59'W	30°11'N / 91°56'W	6.80 Miles	300 Yards	0	2	250K	0	Lafayette

* 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.