WDSS-II and its component algorithms
are described in several scientific articles. Please reference one or more of
these articles if you make use of the algorithms or data feeds that they
describe.
Algorithm or data feed |
Description |
Formal citation |
WDSS-II |
WDSS-II as a whole |
V. Lakshmanan, T. Smith,
G. J. Stumpf, and K. Hondl, ``The warning decision support system - integrated
information,'' Weather and
Forecasting, vol. 22, no. 3, pp. 596-612, 2007. |
Miscellaneous tools |
Spatial analysis tools in WDSS-II |
V. Lakshmanan, Automating the Analysis of Spatial Grids:
A Practical Guide to Data Mining Geospatial Images for Human and
Environmental Applications. |
w2merger |
How data from
multiple radars are combined |
V. Lakshmanan and T. W. Humphrey, ``A mapreduce technique to mosaic continental-scale weather radar data in real-time,'' IEEE J. of Select Topics in Appl. Earth Obs. and Remote Sensing, in Review, 2013. V. Lakshmanan, T. Smith, K. Hondl, G. J. Stumpf,
and A. Witt, ``A real-time,
three dimensional, rapidly updating, heterogeneous radar merger technique for
reflectivity, velocity and derived products,'' Weather and Forecasting,
vol. 21, no. 5, pp. 802-823, 2006. |
w2merger (POSH, SHI, etc.) |
Hail algorithms |
Ortega,
K.L., T.M. Smith, K.L. Manross, K.A. Scharfenberg, A. Witt, A.G. Kolodziej,
and J.J. Gourley, 2009: The Severe Hazards
Analysis and Verification Experiment. Bull. Amer.
Meteor. Soc., 90, 1519–1530 J. Cintineo, T. Smith,
V. Lakshmanan, H. Brooks, and K. Ortega, ``An objective
high-resolution hail climatology of the contiguous united states,'' Wea.
Forecasting, vol. 27, pp. 1235-1248, 2012. |
w2segmotionll -X |
Probability of cloud-to-ground
lightning |
(1)
V. Lakshmanan and T. Smith, ``Data mining
storm attributes from spatial grids,'' J. Ocea. and Atmos. Tech.,
vol. 26,
no. 11, pp. 2353-2365, 2009. (2)
V. Lakshmanan and T. Smith, ``Lighting warning
and prediction using observations and models,'' in 4th Conference
on the Meteorological Applications of Lightning Data, (Phoenix), p. 6.4,
Amer. Meteor. Soc., Jan 2009 |
w2segmotionll -X |
Automated storm type classification |
(1)
V. Lakshmanan and T. Smith, ``Data mining
storm attributes from spatial grids,'' J. Ocea. and Atmos. Tech.,
vol. 26,
no. 11, pp. 2353-2365, 2009. (2)
Kolodziej, A. and V. Lakshmanan, Using
a K-Means clustering and watershed algorithm to automatically classify
convective storm types in 8th Conference on Artificial
Intelligence Applications to Environmental Science, (Altanta) p 455, Amer.
Meteo. Soc., Jan 2010 |
w2segmotionll/cg or w2localmax or w2advectorll/cg |
(1)
Identifying storm
cells (2) Tracking cells (2)
Motion estimation
and Advection (3)
Attribute extraction |
(1) V. Lakshmanan, K. Hondl, and R. Rabin, ``An efficient, general-purpose technique for identifying storm cells in geospatial images,'' J. Ocean. Atmos. Tech., vol. 26, , no. 3, pp. 523-37, 2009 (2) V. Lakshmanan and T. Smith, ``An objective method of evaluating and devising storm tracking algorithms,'' Wea. and Forecasting, pp. 721-729, vol. 29 no. 3, 2010. (3) V. Lakshmanan, R. Rabin, and V. DeBrunner, ``Multiscale storm identification and forecast,'' J. Atm. Res., vol. 67, pp. 367-380, July 2003. (4)
V. Lakshmanan and T. Smith, ``Data mining
storm attributes from spatial grids,'' J. Ocea. and Atmos. Tech.,
vol. 26,
no. 11, pp. 2353-2365, 2009. |
w2qcnn |
Radar data quality control |
(1) V. Lakshmanan,
A. Fritz, T. Smith, K. Hondl, and G. J. Stumpf, ``An automated
technique to quality control radar reflectivity data,'' J. Applied Meteorology,
vol. 4 (2) V. Lakshmanan,
J. Zhang, and K. Howard, ``A technique to
censor biological echoes in radar reflectivity data,'' J. Applied Meteorology, vol. 49,
pp. 435-462, 3 2010 |
w2qcnndp |
Radar data quality control using
dual-pol variables |
V. Lakshmanan, C. Karstens,
J. Krause, and L. Tang, ``Quality control of weather radar data
using polarimetric variables,'' J. Atm. Ocea. Tech., vol. 0,
p. under review, 2013. |
w2ltg |
Total Lightning density |
V. Lakshmanan, K. Hondl, and G. Stumpf, ``Preprints,
the uses of lightning mapping array data in WDSS-II,'' in 22nd Conference on Severe Local Storms,
(Hyan |
w2smooth |
Smoothing filters |
V. Lakshmanan, ``A separable filter
for directional smoothing,'' IEEE Geosc. and Remote
Sensing Letters, vol. 1, pp. 192-195, 7 2004. |
w2circ, rotation tracks |
Azimuthal shear |
Smith, T.M. and K. L. Elmore, 2004: The use of radial velocity derivatives to diagnose
rotation and divergence. Preprints, 11th Conf. on Aviation, Range, and
Aerospace, Hyannis, MA, Amer. Meteor. Soc., P5.6 - CD preprints. M. Miller,
V. Lakshmanan, and T. Smith, ``An automated method for depicting
mesocyclone paths and intensities,'' Wea. Forecasting,
vol. 1, p. 1, 2012. V. Lakshmanan,
M. Miller, and T. Smith, ``Quality control of accumulated fields by
applying spatial and temporal constraints,'' J. Atmos. Ocean. Tech.,
vol. 30, pp. 745-757, 2013 |
w2accumulator |
Rotation tracks, hail tracks, etc. |
V. Lakshmanan, M. Miller, and T. Smith, ``Quality control of accumulated fields by applying spatial and temporal constraints,'' J. Atmos. Ocean. Tech., vol. 30, pp. 745-757, 2013. |
w2birddensity |
Estimating bird density based on VPR |
Buler, J. and Lakshmanan, V. and La Puma, D, “Improving Weather Radar Data Processing for Biological Research Applications: Final Report”, Technical Report to Patuxtent Wildlife Research Center, USGS, Laurel MD, 2012, 15pp. |
Google Earth images from http://wdssii.nssl.noaa.gov/ |
The continental US (CONUS) WDSSII
system and the KML markup of that data for Google Earth |
1.
T. Smith and V. Lakshmanan, ``Real-time,
rapidly updating severe weather products for virtual globes,'' Computers and Geosciences, p. subm., 2009 2.
V. Lakshmanan, T. Smith,
K. Hondl, G. J. Stumpf, and A. Witt, ``A real-time,
three dimensional, rapidly updating, heterogeneous radar merger technique for
reflectivity, velocity and derived products,'' Weather and Forecasting,
vol. 21, no. 5, pp. 802-823, 2006. 3.
Smith, T.M. and V. Lakshmanan, 2006: Utilizing Google Earth as a GIS platform for weather
applications. 22nd Conference on Interactive Information Processing Systems,
Atlanta, GA, Amer. Meteo. Soc. |