Name: ASIP Daily Stage of Development (Thickness) of Ice

Display Field: ICECODE

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="font-size:12pt"><SPAN>Alaska Sea Ice Program(ASIP) Daily Sea Ice Analysis is derived from the Alaska Sea Ice Analysis GIS Shapefile. The webservice has two layers: </SPAN><SPAN STYLE="font-weight:bold;">Daily Total Concentration of Ice and Snow </SPAN><SPAN>and </SPAN><SPAN STYLE="font-weight:bold;">Daily Stage of Development(thickness) of ice and snow</SPAN><SPAN>. The Alaska Sea Ice Analysis GIS Shapefile contains SIGRID-3 information on ice conditions that are separated into various fields including total ice concentration, ice types and their respective partial concentrations and other sea ice characteristics. This analysis is updated daily by 0030 UTC, and available at </SPAN><A href="https://weather.gov:443/afc/ice" STYLE="text-decoration:underline;"><SPAN>https://weather.gov/afc/ice</SPAN></A><SPAN>. The Alaska Sea Ice Analysis GIS Shapefile is accessible for download at </SPAN><A href="https://www.weather.gov/source/afc/icedata/full_latest.zip" STYLE="text-decoration:underline;"><SPAN>https://www.weather.gov/source/afc/icedata/full_latest.zip</SPAN></A></P><P STYLE="font-size:12pt"><SPAN>The SIGRID-3 vector archive format is one of the World Meteorological Organization (WMO) standards for archiving digital ice charts. The NWS Alaska Sea Ice Program (ASIP) creates SIGRID-3 ice charts on a regular basis for Alaska waters including the Beaufort Sea, Chukchi Sea, Bering Sea, and Cook Inlet. These SIGRID-3 files have two main components: the shapefile containing the ice analysis information (ice polygons and related attributes) and the metadata describing the ice analysis data under the SIGRID-3 format. The Sea Ice Analysis represents ice conditions valid at approximately 0030 UTC but is analyzed from imagery over the preceding 24hrs. Imagery utilized includes synthetic aperture radar (SAR), polar orbiting imagery such as VIIRS, other optical or infrared sensors prioritized by recency and image quality, and application of an understanding of conditions gained from local observations and forecast weather conditions. </SPAN></P><P><SPAN STYLE="font-weight:bold;">Link</SPAN><SPAN> to </SPAN><A href="https://www.weather.gov:443/gis/IDP-GISRestMetadata" STYLE="text-decoration:underline;"><SPAN><SPAN>metadata</SPAN></SPAN></A></P><P><SPAN STYLE="font-weight:bold;">Questions/Concerns </SPAN><SPAN>about the service, please contact the </SPAN><A href="http://idp.gis.support@noaa.gov:80/" STYLE="text-decoration:underline;"><SPAN><SPAN>IDP-GIS </SPAN></SPAN></A><SPAN><SPAN>team.</SPAN></SPAN></P><P><SPAN><SPAN>For questions about the underlying data or other ice datasets, please email the ASIP sea ice analysts at </SPAN><A href="http://nws.ar.ice@noaa.gov:80/" STYLE="text-decoration:underline;"><SPAN>nws.ar.ice@noaa.gov</SPAN></A><SPAN>. </SPAN></SPAN></P></DIV></DIV></DIV>

Copyright Text: NOAA,NWS, Alaska Region

Default Visibility: false

MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

Min Scale: 0

Max Scale: 0

Supports Advanced Queries: true

Supports Statistics: true

Has Labels: false

Can Modify Layer: true

Can Scale Symbols: false

Use Standardized Queries: true

Supports Datum Transformation: true

Extent:

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YMin: 46.441522777000046
XMax: 180.0000000000001
YMax: 80.00947135100006
Spatial Reference: 4326  (4326)

Drawing Info:

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Field 3: N/A
Field Delimiter: ,
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  Label: Ice Free Water
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  Label: Brash Ice
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  Label: No Stage of Development
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  Label: Thin First Year Stage 1
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• Value: 91
  Label: Medium First Year Ice
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  Label: Thick First Year Ice
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• Value: 95
  Label: Old Ice
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  Label: Multi-Year Ice
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  Label: Glacier Ice
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Labeling Info:

Advanced Query Capabilities:

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Supports Distinct: true
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Supports Returning Query Extent: true
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Supports Query With LOD Spatial Reference: false

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HasM: false

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HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Type ID Field: null

Fields:

• objectid ( type: esriFieldTypeOID, alias: objectid )
• icecode ( type: esriFieldTypeString, alias: icecode, length: 45 )
• ct ( type: esriFieldTypeString, alias: Total Concentration, length: 2 )
• ca ( type: esriFieldTypeString, alias: Partial Concentration (a), length: 2 )
• cb ( type: esriFieldTypeString, alias: Partial Concentration (b), length: 2 )
• cc ( type: esriFieldTypeString, alias: Partial Concentration (c), length: 2 )
• sa ( type: esriFieldTypeString, alias: Stage (Thickest ice), length: 2 )
• sb ( type: esriFieldTypeString, alias: Stage (Second Thickest Ice), length: 2 )
• sc ( type: esriFieldTypeString, alias: Stage (Third Thickest Ice), length: 2 )
• so ( type: esriFieldTypeString, alias: Stage (<1/10 of Area) , length: 2 )
• sd ( type: esriFieldTypeString, alias: Stage (Any Remaining Ice), length: 2 )
• fa ( type: esriFieldTypeString, alias: Ice Form (a), length: 2 )
• fb ( type: esriFieldTypeString, alias: Ice Form (b), length: 2 )
• fc ( type: esriFieldTypeString, alias: Ice Form (c), length: 2 )
• fp ( type: esriFieldTypeString, alias: Predominant Floe Size, length: 2 )
• fs ( type: esriFieldTypeString, alias: Secondary Floe Size, length: 2 )
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• shape ( type: esriFieldTypeGeometry, alias: shape )
• shape_leng ( type: esriFieldTypeDouble, alias: shape_leng )
• st_area(shape) ( type: esriFieldTypeDouble, alias: st_area(shape) )
• st_perimeter(shape) ( type: esriFieldTypeDouble, alias: st_perimeter(shape) )

Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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