I'm slightly skeptical of civil engineers in certain contexts. Since Joplin was the inspiration for the Impact Based Warnings experiment and its warnings of "catastrophic" and "unsurvivable" damage - if this tornado turns out NOT to have been as violent as previously thought, what implications might it have for IBW? The overall limitations of damage surveying as a reliable indicator of tornado strength.Ĥ. Use of non-structural damage indicators (such as concrete parking blocks and manhole covers being moved) in some cases.ģ. (The City of Joplin is requiring these in all new construction.)Ģ. Contrary to the currently popular belief that nothing above ground can survive a violent tornado, it IS possible to significantly mitigate damage through relatively simple measures such as use of hurricane clips. In any event I think this report raises a number of significant issues:ġ. That doesn't necessarily mean higher wind speeds didn't occur, it just means they can't be proven based on structural damage alone. The report, from what I gather, states that all the structural damage examined COULD be attributed to lower wind speeds - as low as EF-2 for many structures - due to the way they were constructed. The NWS does not plan to change its rating at this time. I wouldn't jump to that conclusion just yet (though others might). Some outlets are billing this story as proof that Joplin was not *really* an EF-5 after all. Here's a link to the actual report (but you have to pay $50 to get it): mods feel free to move or merge if appropriate.Ī report by the American Society of Civil Engineers found no evidence of true EF-5 level damage from the 5/22/11 Joplin tornado: If you would like to view storm report images for a previous day, type in the date you wish to retrieve (e.g., 990204).Thought this topic could use its own thread. List of Weather Forecast Office 3-letter IDs appear in the report comments section. LAT/LON in decimal degrees to two decimals, see SPC FAQ for more info. Raw full report in comma-separated values (CSV) format. KML files are created with time-enabled placemarks compatible with Google Earth Time Slider. For example, storm report page for 20150430 covers reports from 20150430 at 1200 UTC to 20150501 at 1159 UTC.įull report in comma-separated values (CSV) format and in KML format.įull filtered report in comma-separated values (CSV) format and in KML format. The Storm Reports page is organized based on reports received from 1200 UTC to 1159 UTC the next day. (TAE)įiltered Tornado Reports ( CSV) ( Raw Tornado CSV)( ?)įiltered Hail Reports ( CSV) ( Raw Hail CSV)( ?)įiltered Wind Reports ( CSV) ( Raw Wind CSV)( ?) Tree down near Carson Oaks Ln and Mack Bayou Road. Report from mPING: 1-inch tree limbs broken Shingles blown off. Uprooted trees and numerous branches down. Numerous reports of ping pong to golf ball size hail. Numerous reports of hail 1.00 to 1.5 inches in this immediate region. Report from mPING: Half Dollar (1.25 in.). Spotter reported visually seeing a funnel cloud within the past 5 minutes towards the northeast near Black Forest. Spotter can visually see a funnel cloud to the northeast of location. Spotter can visually see a funnel cloud to the west beginning to appear. Spotter can visually see tornado on the ground about 3 to 4 miles north of their location. Reported by Iowa State Patrol: Sioux Center Fire reported tornado on the ground 2.5 sw of Sioux Center. 1 mile east of highway 75 on highway 10 looking southwest. Social media report with picture of tornado south of Sioux Center IA. Tornado Reports ( CSV) ( Raw Tornado CSV)( ?)
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