Andrew Zolnai Blog

Esri just updated its World Vector Basemaps (v.2) . I updated below the notoriously complex and details Aalan Archipelago offshore Turku, Fi...

I described exactly two years ago posting NOAA's global shoreline dataset on my AWS stack - added  recently to  personal portfolio  for...

This is a follow-up to Part I  explaining oilspill modelling using NOAA Gnome modelling software and Kuwaiti ROPME data, all in the public d...

Last week was the inaugural post of my catalog , highlighting maps from this blog in (very) roughly reverse chronological order. The second...

[ Update: ESRI blog post here for clear explanation and treatment of same, thanks Eileen Buckley! See also my ArcGIS Online / Amazon Web ...

NOAA NRT AIRS fly satellites that record cloud cover and other atmospheric sensors described when I tracked Kuwaiti sandstorms . Stepping b...

A map slide show  last year tracked dust and wind storms in Kuwait. I simply refocused it on the Gulf of Mexico to track the tropical storm ...

Here is a small selection of mapping tools available on the iPad. Some are from the Appstore, others simply from the web. These are screen...

Last week I posted dust and wind data germane to Kuwait in my banner map. This week take the same layers and mash them up with another servi...

Dust storms are what you look out for in Kuwait. The banner map was a very simple way for me to create my own weather map: where are the d...

You will have noticed that the banner picture is now a dynamic map... The monsoon season has passed and the hurricane season is starting: So...

I'm baaack! Here is the web mapping service directly in ArcGIS Explorer (AGX). This was posted two weeks ago as a layer package on arcg...

As I'm off for two weeks you get next week's posting today! Following last week's blogpost on Esri's beautiful ocean base m...

[ Update : Part IV , more on mapping earth gravity ] The time-space map I looked for in Part II is on esri.com... among many others for ...

History and current events are a great opportunity for GIS as they allow to disseminate pertinent information fast to those who need it. The...

The tropical storm threatening the Gulf of Mexico (GoM) oilspill cleanup shows up very well in Google Earth (download GE here ) by simply ...

Two anecdotes on remote sensing and environmental monitoring highlight some issues in measuring and predicting the current Gulf of Mexico oi...

Here the latest from bp itself at the current NOC show in London.

Eyjafjallajoekull volcanic ash blown southeastward caused air traffic disruption last week over the northern British Isles again. I post the...

I posted earlier an example of a simple Google Map reading a list of Olympic cities - this was part of a list of Google and OpenLayer maps ...