20220726
03063700
1.0
FALSE
InitialSpreadIndex_AK
001
-19951914.925600
20021886.403200
6652323.870600
11554348.247400
1
Projected
GCS_WGS_1984
Linear Unit: Meter (1.000000)
WGS_1984_Web_Mercator_Auxiliary_Sphere
<ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/3.5.0'><WKT>PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator_Auxiliary_Sphere"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",0.0],PARAMETER["Auxiliary_Sphere_Type",0.0],UNIT["Meter",1.0],AUTHORITY["EPSG",3857]]</WKT><XOrigin>-20037700</XOrigin><YOrigin>-30241100</YOrigin><XYScale>10000</XYScale><ZOrigin>0</ZOrigin><ZScale>1</ZScale><MOrigin>0</MOrigin><MScale>1</MScale><XYTolerance>0.001</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><WKID>102100</WKID><LatestWKID>3857</LatestWKID></ProjectedCoordinateSystem>
20260429
15442400
20260429
15495100
20000000
5000
FGDC
USWFS-STATE
Alaska
USWFS-THEME
Fire
Geospatial
Management
NONE
Canadian Forest Fire Danger Rating System
CFFDRS
fire danger rating
Fire Weather Index
fire weather indexes
FWI
initial spread index
ISI
Esri ArcGIS 13.5.5.57366
U.S. Wildland Fire Service
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
AK Initial Spread Index (ISI)
vector digital data
2026-04-29T00:00:00
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
GIS Specialist
PO Box 35005
Fort Wainwright
AK
99703
BLM_AK_AFS_GIS@blm.gov
US
001 907 356 5600
Contact by email.
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
1
-170
-130
71
54
2026-04-29T00:00:00
publication date
These features represent forecast values for Fire Danger Ratings - Initial Spread Index (ISI). Visit https://akff.mesowest.org/about/ for more information.
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>These features represent forecast values for Fire Danger Ratings - Initial Spread Index (ISI). Visit https://akff.mesowest.org/about/ for more information.</SPAN></P></DIV></DIV></DIV>
AKFF MesoWest, U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
Alaska
biota
Canadian Forest Fire Danger Rating System
CFFDRS
climatologyMeteorologyAtmosphere
environment
Fire
fire danger rating
Fire Weather Index
fire weather indexes
FWI
Geospatial
initial spread index
ISI
Management
Fire Danger Forecasts generated by AKFF MesoWest. https://akff.mesowest.org/
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>These data are provided “as is” and might contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User’s intended use. The information contained in these data is dynamic and may change over time. The data are not better than the sources from which they were derived, and both scale and accuracy may vary across the data set. These data might not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate.</SPAN></P></DIV></DIV></DIV>
These data are provided “as is” and might contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User’s intended use. The information contained in these data is dynamic and may change over time. The data are not better than the sources from which they were derived, and both scale and accuracy may vary across the data set. These data might not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate.
None, these data are considered public domain.
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
GIS Specialist
PO Box 35005
Fort Wainwright
AK
99703
BLM_AK_AFS_GIS@blm.gov
US
001 907 356 5600
Contact by email.
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
Enterprise Geodatabase Feature Class
https://fire.ak.blm.gov/arcgis/rest/services/MapAndFeatureServices/AK_FireDangerRatingForecasts/MapServer
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
GIS Specialist
PO Box 35005
Fort Wainwright
AK
99703
BLM_AK_AFS_GIS@blm.gov
US
001 907 356 5600
Contact by email.
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
False
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
dataset
EPSG
6.18.3(9.3.1.2)
29
Simple
FALSE
29
TRUE
FALSE
InitialSpreadIndex_AK
Feature Class
29
Initial Spread Index (ISI) forecast attributes.
AKFF
OBJECTID
OBJECTID
OID
4
10
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
ISI
Initial Spread Index
SmallInteger
2
5
0
Initial Spread Index values.
AKFF
Positive numbers.
DAY
Forecast Date txt
String
20
0
0
Date of forecast.
AKFF
Date, as text.
PREDAY
Prediction Day
SmallInteger
2
5
0
Prediction day. 0 = today; 1 = tomorrow; 2 = day after tomorrow.
AFS
0
2
SHAPE
SHAPE
Geometry
8
0
0
Feature geometry.
Esri
Coordinates defining the features.
SHAPE.AREA
SHAPE.AREA
Double
0
0
0
Feature area.
Esri
Positive real numbers automatically generated.
SHAPE.LEN
SHAPE.LEN
Double
0
0
0
Feature length.
Esri
Positive real numbers automatically generated.
Polygons representing forecast for Initial Spread Index (ISI). See https://akff.mesowest.org/about/ for more information.
20260429
Last metadata review date: 20260429
<DIV STYLE="text-align:Left;"><DIV><P><SPAN>These data are provided “as is” and might contain errors or omissions. The User assumes the entire risk associated with its use of these data and bears all responsibility in determining whether these data are fit for the User’s intended use. The information contained in these data is dynamic and may change over time. The data are not better than the sources from which they were derived, and both scale and accuracy may vary across the data set. These data might not have the accuracy, resolution, completeness, timeliness, or other characteristics appropriate for applications that potential users of the data may contemplate.</SPAN></P></DIV></DIV>
None, these data are considered public domain.
Unknown, errors likely exist in the dataset.
Unknown, errors likely exist in the dataset.
Data coverage is restricted to Alaska PSA boundaries.
Unknown, errors likely exist in the dataset.
Individual rasters representing fire weather indices are downloaded from AKFF MesoWest. Rasters are processed using Python 3 to create a polygon feature class with values that represent the forecast fire danger rating for today, tomorrow, and the day after tomorrow.
Unknown
U.S. Department of the Interior, Bureau of Land Management (BLM), Alaska Fire Service
GIS Specialist
P.O. Box 35005
Fort Wainwright
AK
99703
blm_ak_afs_gis@blm.gov
US
Contact by email.
Organization: U.S. Department of the Interior, Bureau of Land Management (BLM), Alaska Fire Service
Position: GIS Specialist
Role: Distributor
Organization: U.S. Department of the Interior, Bureau of Land Management (BLM), Alaska Fire Service
Position: GIS Specialist
Role: Unknown
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
GIS Specialist
PO Box 35005
Fort Wainwright
AK
99703
BLM_AK_AFS_GIS@blm.gov
US
001 907 356 5600
Contact by email.
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)
U.S. Department of the Interior, U.S. Wildland Fire Service, Alaska (AFS)