[talk-ph] Typhoon forecast over Northern Luzon

[maning sambale]

At the moment this the best that we can.  Please trace large rivers
(from Landsat):

Chico River Basin
Agno
Cagayan
Abra
Magat
Vintar Laoag River

I will update the list soon.



On Mon, Oct 18, 2010 at 7:30 AM, Jean-Guilhem Cailton <jgc at arkemie.com> wrote:
> Hi,
>
> - "Potentially catastrophic Super Typhoon Megi approaching the Philippines"
> http://www.wunderground.com/blog/JeffMasters/comment.html?entrynum=1661
>
> - From http://www.pagasa.dost.gov.ph/:
> Hourly Update on Typhoon "JUAN"
> As of 6:00 a.m., today (Monday, 18 October 2010), Typhoon "JUAN" was located
> at 190 km East of Tuguegarao,Cagayan. (17.5°N, 123.5°E) with maximum
> sustained winds of 225 kph near the center and gustiness of up to 260 kph.
> Moving West Southwest at 19 kph. Estimated central pressure: 922 hpa.
>
>
> - NOAA numerical weather model, as shown by zyGrib, forecast that typhoon
> trajectory should sweep over Northern Luzon.
>
>
> Certainly, Mappers from the Philippines could say better what could be of
> help.
>
> It seems that OSM map of the potentially affected area contains many towns
> without connecting roads (http://osm.org/go/42hNR6-- ). It is difficult to
> trace them without more imagery than is available now (I've let our contact
> at Spot Image know about this), but we could already use Landsat to map
> rivers (as heavy rains are forecast, and flash floods possible).
>
> Best wishes,
>
> Jean-Guilhem
>
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>
>



-- 
cheers,
maning
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