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Snow Water Equivalent Data Access and Tools

From discovery to visualization, data tools such as Earthdata Search, HYDrologic Remote Sensing Analysis for Floods (HYDRAFloods), and Panoply guide users in making the most of snow water equivalent (SWE) data.

Snow Water Equivalent Datasets

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Dataset Version Platform Instrument Temporal Extent Spatial Extent Spatial Resolution Data Format
ABoVE: Monthly Hydrological Fluxes for Canada and Alaska, 1979-2018 1 MODELS Computer 1979-01-01 to 2018-04-01

N: 83.125 S: 41.7508 E: -53.4255 W: -172.25

multiple
ABoVE: Rain-on-Snow Frequency and Distribution during Cold Seasons, Alaska, 1988-2023 2 Aqua, GCOM-W1, DMSP AMSR-E, AMSR2, SSMIS 1988-11-01 to 2023-03-31

N: 73.8339 S: 48.6232 E: -124.326 W: -175.397

COG
ABoVE: Wolf Denning Phenology and Reproductive Success, Alaska and Canada, 2000-2017 1 FIELD SURVEYS, MODELS, Terra GPS, Computer, MODIS 2000-03-29 to 2017-08-31

N: 67.8362 S: 52.9705 E: -112.967 W: -154.581

CSV
AMSR-E/AMSR2 Unified L3 Global 5-Day 25 km EASE-Grid Snow Water Equivalent V001 1 Aqua, GCOM-W1 AMSR-E, AMSR2 2012-07-02 to 2025-08-28

N: 90 S: -90 E: 180 W: -180

25 Kilometers x 25 Kilometers HDF-EOS5
AMSR-E/AMSR2 Unified L3 Global Daily 25 km EASE-Grid Snow Water Equivalent V001 1 Aqua, GCOM-W1 AMSR-E, AMSR2 2012-07-02 to 2025-08-31

N: 90 S: -90 E: 180 W: -180

25 Kilometers x 25 Kilometers HDF-EOS5
AMSR-E/AMSR2 Unified L3 Global Monthly 25 km EASE-Grid Snow Water Equivalent V001 1 Aqua, GCOM-W1 AMSR-E, AMSR2 2012-07-02 to 2025-08-31

N: 90 S: -90 E: 180 W: -180

25 Kilometers x 25 Kilometers HDF-EOS5
AMSR-E/Aqua 5-Day L3 Global Snow Water Equivalent EASE-Grids V002 2 Aqua AMSR-E 2002-06-20 to 2011-10-03

N: 90 S: -90 E: 180 W: -180

25 Kilometers x 25 Kilometers HDF-EOS2
AMSR-E/Aqua Daily L3 Global Snow Water Equivalent EASE-Grids V002 2 Aqua AMSR-E 2002-06-19 to 2011-10-03

N: 90 S: -90 E: 180 W: -180

25 Kilometers x 25 Kilometers HDF-EOS2
AMSR-E/Aqua Monthly L3 Global Snow Water Equivalent EASE-Grids V002 2 Aqua AMSR-E 2002-06-19 to 2011-10-01

N: 90 S: -90 E: 180 W: -180

25 Kilometers x 25 Kilometers HDF-EOS2
ASO L4 Lidar Snow Water Equivalent 50m UTM Grid V001 1 DHC-6, King Air Riegl LMS-Q1560 2013-04-03 to 2019-07-16

N: 37.39260287 S: 37.37399023 E: -118.4109694 W: -118.4259857

,

N: 38.22396341 S: 38.20402645 E: -118.9948678 W: -119.0204053

,

N: 37.20269975 S: 37.13101764 E: -118.2969065 W: -118.4150135

,

N: 38.2329357 S: 37.96872691 E: -119.5873395 W: -119.9391373

,

N: 38.35197009 S: 38.34702501 E: -119.1465541 W: -119.1526326

,

N: 35.30827095 S: 34.84175616 E: -118.4895324 W: -118.9629908

,

N: 36.34419115 S: 36.26066776 E: -116.8080226 W: -116.8720138

,

N: 37.66784501 S: 37.62315324 E: -118.8966533 W: -118.9633777

,

N: 37.22534041 S: 36.65336263 E: -118.3217888 W: -119.1602728

,

N: 39.1707928 S: 38.70410623 E: -120.226893 W: -120.7784099

,

N: 37.66909751 S: 37.55343841 E: -118.9505367 W: -119.0738527

,

N: 38.19435311 S: 37.72826254 E: -119.186547 W: -119.8057568

,

N: 36.60719927 S: 36.57913838 E: -118.1711431 W: -118.1954763

,

N: 38.00096209 S: 37.88126056 E: -119.0973977 W: -119.3268503

,

N: 38.70477998 S: 38.2451699 E: -119.7120234 W: -120.5498287

,

N: 37.82021489 S: 37.7033706 E: -119.0372786 W: -119.2728401

,

N: 34.89283042 S: 34.77783945 E: -118.002307 W: -118.1399209

,

N: 39.46925434 S: 39.39914367 E: -120.223812 W: -120.3261438

,

N: 37.82737428 S: 36.96180713 E: -118.5442576 W: -119.733051

,

N: 38.19435311 S: 37.72826254 E: -119.186547 W: -119.8057568

,

N: 38.2410645 S: 37.72115314 E: -119.1836864 W: -119.9391373

,

N: 38.2451472 S: 37.53568061 E: -118.9505367 W: -119.9391373

,

N: 39.08139862 S: 38.75359563 E: -106.8593645 W: -107.1468517

,

N: 37.39120306 S: 36.99987095 E: -106.1673098 W: -106.710676

,

N: 38.87467886 S: 37.69229517 E: -107.3598092 W: -109.1308069

,

N: 39.2728431526 S: 38.7772370906 E: -107.525643057 W: -108.369145146

,

N: 37.98230157 S: 37.39058532 E: -106.4596899 W: -107.5708232

,

N: 38.20771619 S: 37.8841623 E: -107.562078 W: -107.9723537

,

N: 42.38520848 S: 42.2881819 E: -114.6804318 W: -114.7176046

,

N: 43.31809187 S: 43.05520107 E: -116.6802206 W: -116.8670348

,

N: 36.9129972 S: 36.43705955 E: -113.8795636 W: -114.3776573

,

N: 44.18033752 S: 43.90476142 E: -121.6276046 W: -121.8757381

,

N: 44.52793541 S: 44.31700873 E: -121.8134424 W: -122.1078409

,

N: 46.97583352 S: 46.72413964 E: -121.5709621 W: -121.9573479

,

N: 48.09085803 S: 47.4930029 E: -123.1287659 W: -124.1847181

50 Meters x 50 Meters GeoTIFF
BOREAS HYD-02 Estimated Snow Water Equivalent (SWE) from Microwave Measurements 1 DHC-6 INFRARED RADIOMETERS, MR, PYRANOMETERS, TEMPERATURE SENSORS, WIND MONITOR, HYGROMETERS 1994-02-06 to 1994-02-13

N: 56.25 S: 53.42 E: -97.24 W: -106.3

CSV
BOREAS HYD-03 Snow Water Equivalent: 1996 1 FIELD INVESTIGATION SNOW TUBE, SNOW DENSITY CUTTER, SNOW MEASURING ROD 1996-02-29 to 1996-03-05

N: 55.93 S: 53.58 E: -97.82 W: -106.19

ASCII
BOREAS HYD-03 Snow Water Equivalent Data 1 FIELD INVESTIGATION SNOW DENSITY CUTTER, SNOW TUBE, SNOW MEASURING ROD 1994-02-05 to 1994-04-27

N: 55.93 S: 53.56 E: -97.82 W: -106.2

ASCII
BOREAS HYD-04 Areal Snow Course Survey Data 1 FIELD INVESTIGATION VISUAL OBSERVATIONS, SNOW TUBE, BALANCE 1994-02-03 to 1994-03-10

N: 56.25 S: 53.42 E: -97.24 W: -106.32

ASCII
BOREAS HYD-04 Standard Snow Course Data 1 FIELD INVESTIGATION SNOW TUBE, BALANCE 1993-11-15 to 1996-05-17

N: 55.91 S: 53.75 E: -98.42 W: -106.08

ASCII
Daily SnowModel Outputs Covering the ABoVE Core Domain, 3-km Resolution, 1980-2020 1 MODELS Computer 1980-09-01 to 2020-08-31

N: 75.8357 S: 49.8038 E: -84.3282 W: -176.915

netCDF-4 classic
Daymet: Annual Climate Summaries on a 1-km Grid for North America, Version 4 R1 4.1 MODELS Computer 1950-01-01 to 2024-12-31

N: 83.7064 S: 6.07616 E: -53.055 W: -178.204

multiple
Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1 4.1 MODELS Computer 1950-01-01 to 2024-12-31

N: 82.9143 S: 14.0749 E: -53.0567 W: -178.133

netCDF-4
Daymet: Monthly Climate Summaries on a 1-km Grid for North America, Version 4 R1 4.1 MODELS Computer 1950-01-01 to 2024-12-31

N: 82.9143 S: 14.0749 E: -53.0567 W: -178.133

COG
FLDAS Noah Land Surface Model L4 Global Monthly 0.1 x 0.1 degree (GDAS and CHIRPS-PRELIM) V001 (FLDAS_NOAH01_CP_GL_M) at GES DISC 001 Noah-LSM NOT APPLICABLE 2019-01-01 to Present

N: 90 S: -60 E: 180 W: -180

0.1 Decimal Degrees x 0.1 Decimal Degrees
FLDAS Noah Land Surface Model L4 Global Monthly 0.1 x 0.1 degree (MERRA-2 and CHIRPS) V001 (FLDAS_NOAH01_C_GL_M) at GES DISC 001 Noah-LSM NOT APPLICABLE 1982-01-01 to Present

N: 90 S: -60 E: 180 W: -180

0.1 Decimal Degrees x 0.1 Decimal Degrees
GLDAS Catchment Land Surface Model L4 3 hourly 1.0 x 1.0 degree Early Product V2.1 (GLDAS_CLSM10_3H_EP) at GES DISC 2.1 Catchment-LSM NOT APPLICABLE 2019-12-01

N: 90 S: -60 E: 180 W: -180

1 Decimal Degrees x 1 Decimal Degrees
GLDAS Catchment Land Surface Model L4 3 hourly 1.0 x 1.0 degree V2.0 (GLDAS_CLSM10_3H) at GES DISC 2.0 Catchment-LSM NOT APPLICABLE 1948-01-01 to 2014-12-31

N: 90 S: -60 E: 180 W: -180

1 Decimal Degrees x 1 Decimal Degrees
GLDAS Catchment Land Surface Model L4 3 hourly 1.0 x 1.0 degree V2.1 (GLDAS_CLSM10_3H) at GES DISC 2.1 Catchment-LSM NOT APPLICABLE 2000-01-01 to Present

N: 90 S: -60 E: 180 W: -180

1 Decimal Degrees x 1 Decimal Degrees
GLDAS Catchment Land Surface Model L4 daily 0.25 x 0.25 degree GRACE-DA1 V2.2 (GLDAS_CLSM025_DA1_D) at GES DISC 2.2 Catchment-LSM NOT APPLICABLE 2003-02-01 to Present

N: 90 S: -60 E: 180 W: -180

0.25 Decimal Degrees x 0.25 Decimal Degrees
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