[Talk-us] Oklahoma disaster mapping

Mike Thompson miketho16 at gmail.com
Wed May 22 03:46:28 UTC 2013


I would like to help , but I need some guidance.  I assume we don't want to
map what existed before the disaster (what currently shows up on Bing
Imagery).  However, I see that some people are tracing buildings that they
believe survived.  Are we supposed to map the current situation?  If so,
given the near impossibility of a ground survey, and no current imagery
(forgive me if I missed an earlier message), how are we supposed to map?
 From news reports?  Given that the current situation is some what
transient (roads will be reopened, homes will be rebuilt, etc), do we
really want to map the exact current conditions?

I am not trying to be difficult, just want to make a positive contribution,
and not do something that someone else will have to spend effort to undo.



On Tue, May 21, 2013 at 8:50 PM, Paul Johnson <baloo at ursamundi.org> wrote:

> OK, I'm trying to get started on disaster mapping in the Moore area
> following the storm, since we're talking about a 22 mile track that is
> affecting navigation and basic mobility in a long swath at the primary
> egress to a major metro, not to mention everyday navigation for people
> working and doing business in that suburb.  Cleanup is still basically not
> even started, and in several cases, buildings were wholly wiped out
> including the concrete slab.
> So far, the only thing I know concretely would be the general outline of
> the disaster area (something I forwarded earlier that got sent to me via
> okgis, hopefully it got delivered to the list, if not it's still caught in
> moderation), that "moore area" I 35 ramps are open only to emergency
> traffic, and many surface streets are open only to emergency traffic.  I
> haven't been able to find out specifics (news reports have been vague, even
> OklaDOT isn't specifying which I35 exits and normally they're unbelievably
> specific), and I can't do a land survey, for obvious reasons (City of Moore
> is asking everyone to stay back unless they want to go clean up the
> cemetery tomorrow morning, even residents aren't being allowed into the
> disaster area).
> Any specific information and tagging suggestions would be greatly
> appreciated; I recommend people using JOSM grab the geochat plugin to help
> coordinate mapping effort (or at least keep an eyeball out for other
> mappers working the area).
> Rough bounding box for the affected area (plus some margin of error):
> 35.2181365, -97.7075958
> 35.3918488, -97.3526001
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