mikegeukes
EF5
FALL TORNADO SEASON: Does It Really Exist in the Great Plains.
Here is some research I did, please do not copy,
I use tornado days instead of actual number of tornadoes,
big outbreak days tend to skew the data.
Tornado days and 1970-2004 is more representative.
I did not include Texas, which has more tornado days.
I am breaking the down the state into regions, to get a better idea
for the tornado climatology of Texas.
NUMBER OF TORNADO DAYS:
North Dakota: Number of Tornado Days: 1970-2004
06 Tornado Days: September
02 Tornado Days: October
01 Tornado Days: November
South Dakota: Number of Tornado Days: 1970-2004
14 Tornado Days: September
06 Tornado Days: October
00 Tornado Days: November
Nebraska: Number of Tornado Days: 1970-2004
26 Tornado Days: September
18 Tornado Days: October
02 Tornado Days: November
Kansas: Number of Tornado Days: 1970-2004
31 Tornado Days: September
23 Tornado Days: October
08 Tornado Days: November
Oklahoma: Number of Tornado Days: 1970-2004
31 Tornado Days: August
43 Tornado Days: September
38 Tornado Days: October
27 Tornado Days: November
Texas: Working on.
71 Tornado Days: November
Texas Panhandle: Number of Tornado Days: 1970-2003
Panhandle consists of 44 counties in AMA and LUB CWA
15 Tornado Days: September
09 Tornado Days: October
04 Tornado Days: November
AVERAGE TORNADO DAYS FOR MONTH:
North Dakota: Average Tornado Days for Month: 1970-2004
0.17 Days: September
0.06 Days: October
0.03 Days: November
South Dakota: Average Tornado Days for Month: 1970-2004
0.40 Days: September
0.17 Days: October
0.00 Days: November
Nebraska: Average Tornado Days for Month: 1970-2004
0.74 Days: September
0.51 Days: October
0.06 Days: November
Kansas: Average Tornado Days for Month: 1970-2004
0.89 Days: September
0.66 Days: October
0.23 Days: November
Oklahoma: Average Tornado Days for Month: 1970-2004
1.23 Days: September
1.09 Days: October
0.77 Days: November
Texas: Working on
2.03 Days: November
Texas Panhandle:
Oklahoma: Average Tornado Days for Month: 1970-2003
Panhandle consists of 44 counties in AMA and LUB CWA
0.44 Days: September
0.26 Days: October
0.12 Days: November
OKLAHOMA: OCTOBER 1970-2004
114 tornadoes reported
3.26 Average Number of Tornadoes for Oklahoma
Tornado Outbreaks
27 tornadoes on 10-04-98
19 tornadoes on 10-09-01
These two days, skews the data.
In fact 10-4-98 and 10-09-01
-Makes up 40 percent of the total number of tornadoes in October 1970-2004
-37 percent of the total number of tornadoes in October 1950-2004
Only Oklahoma show a slight increase in tornado days
in September compare to the previous month of August.
31 tornado days in August, 43 tornado days in September.
Researched by: Mike Geukes
Copyright @ 2005 Mike Geukes (Please do not copy my research)
Mike
http://mgweather.com
Here is some research I did, please do not copy,
I use tornado days instead of actual number of tornadoes,
big outbreak days tend to skew the data.
Tornado days and 1970-2004 is more representative.
I did not include Texas, which has more tornado days.
I am breaking the down the state into regions, to get a better idea
for the tornado climatology of Texas.
NUMBER OF TORNADO DAYS:
North Dakota: Number of Tornado Days: 1970-2004
06 Tornado Days: September
02 Tornado Days: October
01 Tornado Days: November
South Dakota: Number of Tornado Days: 1970-2004
14 Tornado Days: September
06 Tornado Days: October
00 Tornado Days: November
Nebraska: Number of Tornado Days: 1970-2004
26 Tornado Days: September
18 Tornado Days: October
02 Tornado Days: November
Kansas: Number of Tornado Days: 1970-2004
31 Tornado Days: September
23 Tornado Days: October
08 Tornado Days: November
Oklahoma: Number of Tornado Days: 1970-2004
31 Tornado Days: August
43 Tornado Days: September
38 Tornado Days: October
27 Tornado Days: November
Texas: Working on.
71 Tornado Days: November
Texas Panhandle: Number of Tornado Days: 1970-2003
Panhandle consists of 44 counties in AMA and LUB CWA
15 Tornado Days: September
09 Tornado Days: October
04 Tornado Days: November
AVERAGE TORNADO DAYS FOR MONTH:
North Dakota: Average Tornado Days for Month: 1970-2004
0.17 Days: September
0.06 Days: October
0.03 Days: November
South Dakota: Average Tornado Days for Month: 1970-2004
0.40 Days: September
0.17 Days: October
0.00 Days: November
Nebraska: Average Tornado Days for Month: 1970-2004
0.74 Days: September
0.51 Days: October
0.06 Days: November
Kansas: Average Tornado Days for Month: 1970-2004
0.89 Days: September
0.66 Days: October
0.23 Days: November
Oklahoma: Average Tornado Days for Month: 1970-2004
1.23 Days: September
1.09 Days: October
0.77 Days: November
Texas: Working on
2.03 Days: November
Texas Panhandle:
Oklahoma: Average Tornado Days for Month: 1970-2003
Panhandle consists of 44 counties in AMA and LUB CWA
0.44 Days: September
0.26 Days: October
0.12 Days: November
OKLAHOMA: OCTOBER 1970-2004
114 tornadoes reported
3.26 Average Number of Tornadoes for Oklahoma
Tornado Outbreaks
27 tornadoes on 10-04-98
19 tornadoes on 10-09-01
These two days, skews the data.
In fact 10-4-98 and 10-09-01
-Makes up 40 percent of the total number of tornadoes in October 1970-2004
-37 percent of the total number of tornadoes in October 1950-2004
Only Oklahoma show a slight increase in tornado days
in September compare to the previous month of August.
31 tornado days in August, 43 tornado days in September.
Researched by: Mike Geukes
Copyright @ 2005 Mike Geukes (Please do not copy my research)
Mike
http://mgweather.com