Tornado Index # 20030505.26.1

 
 
 

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Disclaimer |?|

Note: This approximate tornado path has been generated from data provided by the SPC.

The Tornado History Project generates approximate paths through separate historical archives provided by the Storm Prediction Center (SPC) and the National Climatic Data Center (NCDC). Paths generated from the NCDC data are typically more detailed, but neither archive gives exact path information. There are several reasons that paths may be inaccurate:

  • Tornado touchdown and liftoff coordinates were recorded with only 2 digits of decimal precision (i.e. [33.72, -86.15] vs [33.71689, -86.15463]). As a consequence, the observed points on the map may be slightly off from actual. Note that beginning in 2009, up to 4 digits of decimal precision are given.
  • Coordinates have not historically been calculated via GPS (Global Positioning System). Thus, tornado touchdown and liftoff coordinates should be considered as estimates only.
  • Tornadoes may not have been in contact with the ground for the entire path as depicted on the map. Storm damage in any location depicted under the "path" should not be inferred.
  • Although paths are drawn as straight lines between any two sets of coordinates, the tornado may have "zigzagged" in some way.
  • Although paths are drawn as uniform thin lines on the map, it is likely that the tornado changed size over its lifetime. Damage in any location depicted under (or not under) the "path" should not be inferred.

Even with the above in mind, the data is the best available. If you see a path that is depicted incorrectly, please post a comment in the tornado forum indicating why you belive the path to be incorrect.

Paths generated from NCDC data are typically more detailed due to the way coordinates are listed in each archive:

  • SPC database - A maximum of 2 coordinates (touchdown and liftoff) is given for each tornado, or each state segment of a tornado if it is a multi-state tornado. Thus the vast majority of paths are depicted as simple straight lines.
  • NCDC database - Some tornadoes have mutliple sets of coordinates within any state, generally corresponding to entry and exit points by county. Thus, since more coordinates have been used to draw the path, the depicted path should be more accurate. Having said that, most tornadoes do not have additional path data in the NCDC archive. When they do, paths are drawn from the NCDC data.

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Statistics   Definitions |?|

The following statistics and definitions are derived from the Storm Prediction Center (SPC) historical tornado archive. The Tornado History Project can not guarantee the accuracy of the underlying data within the SPC historical tornado archive. However, the data as presented here is guaranteed to match the SPC data, except where noted.

Some definitions will not be given since they are obvious (i.e. "Date", "Time", etc...)
Special Note: This site uses a unique index number to identify each tornado. This index number is not a part of the official historical tornado archive.

E (Error) (tornado search table only) - A yellow box indicates that the tornado record contains a suspected error. A red box indicates that the tornado record contains an error and has been modified from the official source. Hover over the box for the error text.
Map/Forum (tornado search table only) - Clickable icons for further content related to a tornado.
State - The state or states affected by a tornado.
Fujita - The Fujita scale is an attempt to classify damage from a tornado. F0 being the least damaging, F5 the most. For 2007 and beyond, the Enhanced Fujita (EF) is given.
Fat. - The number of fatalities attributed to the tornado.
Inj. - The number of injuries attributed to the tornado.
Width - Width in yards. It is unclear if this indicates a maximum width or mean width.
Length - Length of tornado path in miles. Note the entire track length is not necessarily all on the ground (some tornadoes "hop and skip".)
Damage - Prior to 1996, this is a range by dollar amount. For 1996 and later, actual damage estimates are in millions.
Crop Loss - Added in 2007. Given in millions of dollars.
Lat/Lon - Contains two sets of coordinates:

  • Touchdown Latitude/Longitude - For single state tornadoes, and the overall record for multi-state tornadoes, the approximate touchdown location in decimal degrees. For the state specific records of multi-state tornadoes, entry point into the state in decimal degrees.
  • Liftoff Latitude/Longitude - For single state tornadoes, and the overall record for multi-state tornadoes, the approximate liftoff location in decimal degrees. For the state specific records of multi-state tornadoes, the exit or lift-off point from the state in decimal degrees.

St. #. - The state tornado number assigned to the tornado for that specific state for that specific year. Generally, state tornado numbers were assigned in the order the tornado occurred, but that is not always the case.
SPC # - The tornado number as assigned by the SPC. Tornado numbers are not unique and reset each year. Generally, tornado numbers were assigned in the order the tornado occurred, but that is not always the case.

Tornado Summary

Date (y/m/d)TimeFujitaFatalitiesInjuriesWidthLengthDamageCrop LossTouchdown Lat/LonLiftoff Lat/LonSPC #State #
2003-05-0518:00:00 31001001$0.09-42.85 / -83.1542.85 / -83.13153
Affected StatesAffected Counties
Michigan Oakland
User Comments   (1)      
General Comment  Tornado Photo
2013-04-16 23:23:21
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Click to report this post as inappropriate or spam, report a dead link, etc...
larrythebiker
Posts:1
Rank: F0


I found this information in my clip file which I built while I was a reporter at The Romeo Observer in Romeo, Michigan.


Bruce Township resident Jeanne Morris took this photo May 5, 2003 from her home on 33 Mile Road between Fisher and Dequindre.
Morris said that she watched this tornado form shortly before 8 p.m. and apparently touch the ground briefly before dissipating.


From the May 7, 2003 edition:
Funnel cloud spotted Monday evening
by LARRY SOBCZAK
Observer Staff Writer
A funnel cloud blew through the Romeo area during a thunderstorm Monday evening.
The funnel cloud apparently touched down just before 8 p.m. in Addison Township ripping the roof off a house, breaking tree limbs and downing power lines in the vicinity of Rowland and Rochester roads, just south of Leonard.
"It had a lot of force but it was sporadically applied," said Addison Township Fire Chief George Spencer.
A storm assessment team from the National Weather Service office in White Lake Township was investigating the scene Tuesday morning.
"It¹s probably a tornado based on the photographs and videos that we¹ve seen," said National Weather Service meteorologist David Koelher.
There were two more sightings of a funnel cloud shortly after the Addison Township tornado.
Firefighters from the Bruce-Romeo Fire Department spotted a funnel cloud over Chase Farms and Springbrook mobile home park near the intersection of 33 Mile and Van Dyke.
"They said that there was no doubt that it was a funnel cloud," said Bruce-Romeo Fire Chief Floyd Shotwell.
Ray Township Fire Chief Jim DiMaria said that a resident had spotted the funnel cloud near 30 Mile and Omo Road.
There were no reports of tornado damage in Bruce or Ray townships.

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