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Bayou L'Ourse, LA Natural Disasters and Weather Extremes

 
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The chance of earthquake damage in Bayou L'Ourse is about the same as Louisiana average and is much lower than the national average. The risk of tornado damage in Bayou L'Ourse is much lower than Louisiana average and is lower than the national average.

Topics:Earthquake IndexVolcano IndexTornado IndexOther Weather Extremes EventsVolcanos NearbyHistorical Earthquake EventsHistorical Tornado Events

Earthquake Index, #189

Bayou L'Ourse, LA
0.02
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

Bayou L'Ourse, 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, #569

Bayou L'Ourse, LA
113.02
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 Bayou L'Ourse, LA were recorded from 1950 to 2010. The following is a break down of these events:

TypeCountTypeCountTypeCountTypeCountTypeCount
Avalanche:0Blizzard:0Cold:1Dense Fog:0Drought:6
Dust Storm:0Flood:71Hail:112Heat:4Heavy Snow:1
High Surf:0Hurricane:3Ice Storm:3Landslide:0Strong Wind:0
Thunderstorm Winds:417Tropical Storm:1Wildfire:0Winter Storm:0Winter Weather:0
Other:96 

Volcanos Nearby

No volcano is found in or near Bayou L'Ourse, LA.

Historical Earthquake Events

No historical earthquake events that had recorded magnitudes of 3.5 or above found in or near Bayou L'Ourse, LA.

No historical earthquake events found in or near Bayou L'Ourse, LA.

Historical Tornado Events

A total of 32 historical tornado events that had recorded magnitude of 2 or above found in or near Bayou L'Ourse, LA.

Distance (miles)DateMagnitudeStart Lat/LogEnd Lat/LogLengthWidthFatalitiesInjuriesProperty DamageCrop DamageAffected County
8.21973-09-12229°50'N / 91°05'W29°50'N / 90°59'W6.20 Miles50 Yards03250K0Assumption
8.41961-09-10229°42'N / 91°12'W1.00 Mile100 Yards01625K0St. Mary
14.01964-10-03229°55'N / 91°06'W1.50 Miles100 Yards0025K0Assumption
14.41970-03-17329°42'N / 91°18'W1.00 Mile50 Yards02250K0St. Mary
15.21957-10-23229°56'N / 91°06'W29°56'N / 90°55'W11.00 Miles100 Yards0025K0Assumption
16.11974-01-19229°57'N / 91°02'W0.30 Mile27 Yards003K0Assumption
18.41982-01-30229°59'N / 91°04'W3.00 Miles10 Yards0125K0Assumption
18.41960-02-03229°48'N / 90°48'W29°50'N / 90°45'W4.30 Miles100 Yards08250K0Lafourche
19.81987-02-15229°58'N / 91°12'W30°00'N / 91°10'W3.00 Miles173 Yards04250K0Assumption
22.22000-03-15229°36'N / 90°43'W29°36'N / 90°43'W3.00 Miles40 Yards03610.0M0Terrebonne
 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.
26.61971-09-16229°46'N / 91°30'W0.50 Mile50 Yards0025K0St. Mary
26.71950-03-19230°06'N / 91°00'W1.00 Mile50 Yards0025K0Ascension
26.71965-01-22230°06'N / 91°00'W1.00 Mile267 Yards00250K0Ascension
26.71976-01-25230°06'N / 91°00'W1.10 Miles33 Yards072.5M0Ascension
26.91967-05-01230°05'N / 91°13'W1.00 Mile50 Yards0125K0Iberville
31.51957-03-21329°30'N / 90°36'W2.00 Miles100 Yards0225K0Terrebonne
31.61961-11-22229°27'N / 90°36'W29°38'N / 90°33'W13.10 Miles33 Yards003K0Terrebonne
32.31969-12-25330°08'N / 91°21'W30°11'N / 91°08'W13.50 Miles50 Yards0125K0Iberville
33.51972-05-12230°08'N / 91°21'W1.00 Mile100 Yards0025K0Iberville
33.81952-04-04229°52'N / 91°37'W29°56'N / 91°33'W6.40 Miles20 Yards032.5M0St. Mary
38.81969-04-12330°12'N / 90°54'W30°17'N / 90°45'W10.70 Miles100 Yards01250K0Ascension
39.71980-04-13229°57'N / 90°29'W29°58'N / 90°26'W3.60 Miles33 Yards02250K0St. Charles
40.41961-11-22230°05'N / 90°32'W2.00 Miles50 Yards0325K0St. John The Baptist
40.81992-08-25330°04'N / 90°27'W30°07'N / 90°37'W9.00 Miles150 Yards23225.0M0St. John The Baptist
42.41964-10-03429°36'N / 90°22'W1.50 Miles67 Yards221652.5M0Lafourche
42.61998-09-10229°33'N / 90°21'W29°34'N / 90°24'W4.00 Miles50 Yards16500K0Lafourche
 Brief Description: M22MH A tropical depression in the western Gulf of Mexico was classified as Tropical Storm Frances during the afternoon of September 9th. After a period of erratic movement, Frances settled on a northwest track that brought it ashore in the early morning hours of September 11th between Port Aransas and Port Oconner, Texas. Due to the large pressure difference between Tropical Storm Frances and a high pressure system over the eastern United States, a prolonged period of strong east and southeast winds that occasionally reached tropical storm force affected coastal sections of southeast Louisiana. Peak wind gusts of 60 mph at 1029 CST on the 10th and 55 mph at 1826 PM on the 10th were recorded at the Burrwood and Grand Isle C-MAN stations, respectively. A wind gust of 62 mph was observed at a buoy in eastern Lake Pontchartrain near the Rigolets during a squall at 1510 CST on the 11th. Significant tidal flooding occurred during the event with tides averaging 2 to 4 feet above normal along the southeast Louisiana coastline and in Lakes Pontchartrain and Maurepas. The persistent strong winds and resulting high tides pushed a considerable amount of water into the tidal lakes of southeast Louisiana parishes and well inland along marshes, bayous, and other low-lying areas. This resulted in a number of homes outside of the levee protection systems being flooded and caused the flooding of many roadways. The most severe flooding occurred in Terrebonne, Lafourche, and lower Jefferson Parishes. Many businesses along the Harvey Canal in Jefferson Parish were damaged due to storm surge flooding, and the levee along the canal was nearly overtopped. In addition, very heavy rainfall occurred with most locations of southeast Louisiana receiving a minimum of 5 inches during the storm with some areas south of Lake Pontchartrain receiving 15 to 30 inches of rain. The heavy rainfall resulted in widespread flash flooding south of Lake Pontchartrain. The flash flooding peaked on September 11th when intense rainfall associated with a Tropical Storm Francis rainband resulted in rainfall amounts of 5 to 7 inches within a two to three hours period over portions of the greater New Orleans area. By late afternoon, rainfall totals had reached from 8 to 12 inches. Rainfall runoff overwhelmed drainage pumping capacity producing widespread and deep flooding in the streets of the New Orleans metropolitan area. Ground transportation throughout much of Orleans Parish and portions of adjacent parishes was brought to a near standstill during the afternoon by the flooding, stranding many at work, school, or in autos. The street flooding subsided during the evening. Around 800 homes and 30 businesses were flooded in Jefferson Parish from either storm surge flooding outside of the hurricane protection levees and flash flooding from heavy rainfall. In Orleans Parish at least 290 single family homes and 124 apartments and businesses were flooded. A tornado developed in an outer rainband associated with Tropical Storm Francis on the evening of September 10th and followed a path approximately 4 miles long from near Cut Off to Larose killing a 22 year old male in a mobile home. The most severe damage occurred in the first one half to three quarters mile of the path. Several mobile homes were destroyed, 3 conventional houses had roofs taken off, two houses were moved off their piling foundation, and two businesses suffered extensive damage. The tornado was strongest near the beginning of the track where F2 damage occurred. Over the remainder of the track, F1 damage was reported.
43.31983-12-06430°04'N / 90°31'W30°05'N / 90°25'W7.00 Miles200 Yards02525.0M0St. John The Baptist
44.01965-06-27230°21'N / 91°09'W0.50 Mile33 Yards0025K0East Baton Rouge
46.61966-01-28329°55'N / 90°19'W0.10 Mile17 Yards0025K0St. Charles
47.11983-01-31230°23'N / 91°14'W0.50 Mile33 Yards0025K0West Baton Rouge
47.91975-05-08230°25'N / 91°11'W30°24'N / 91°05'W6.20 Miles50 Yards000K0East Baton Rouge
48.51977-04-20230°25'N / 90°59'W0.20 Mile67 Yards01250K0East Baton Rouge


* 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.


 
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