hailfinder_dataset
OpenML dataset with id 43156
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Full work available at URL: https://api.openml.org/data/v1/download/22101751/hailfinder_dataset.arff
Upload date: 31 January 2022
Dataset Characteristics
Number of features: 56 (numeric: 0, symbolic: 56 and in total binary: 2 )
Number of instances: 20,000
Number of instances with missing values: 0
Number of missing values: 0
Dataset description
Hailfinder is a Bayesian network designed to forecast severe summer hail in northeastern Colorado.
Format of the dataset
The hailfinder data set contains the following 56 variables:
N07muVerMo (10.7mu vertical motion): a four-level factor with levels StrongUp, WeakUp, Neutral and Down.
SubjVertMo (subjective judgment of vertical motion): a four-level factor with levels StrongUp, WeakUp, Neutral and Down.
QGVertMotion (quasigeostrophic vertical motion): a four-level factor with levels StrongUp, WeakUp, Neutral and Down.
CombVerMo (combined vertical motion): a four-level factor with levels StrongUp, WeakUp, Neutral and Down.
AreaMesoALS (area of meso-alpha): a four-level factor with levels StrongUp, WeakUp, Neutral and Down.
SatContMoist (satellite contribution to moisture): a four-level factor with levels VeryWet, Wet, Neutral and Dry.
RaoContMoist (reading at the forecast center for moisture): a four-level factor with levels VeryWet, Wet, Neutral and Dry.
CombMoisture (combined moisture): a four-level factor with levels VeryWet, Wet, Neutral and Dry.
AreaMoDryAir (area of moisture and adry air): a four-level factor with levels VeryWet, Wet, Neutral and Dry.
VISCloudCov (visible cloud cover): a three-level factor with levels Cloudy, PC and Clear.
IRCloudCover (infrared cloud cover): a three-level factor with levels Cloudy, PC and Clear.
CombClouds (combined cloud cover): a three-level factor with levels Cloudy, PC and Clear.
CldShadeOth (cloud shading, other): a three-level factor with levels Cloudy, PC and Clear.
AMInstabMt (AM instability in the mountains): a three-level factor with levels None, Weak and Strong.
InsInMt (instability in the mountains): a three-level factor with levels None, Weak and Strong.
WndHodograph (wind hodograph): a four-level factor with levels DCVZFavor, StrongWest, Westerly and Other.
OutflowFrMt (outflow from mountains): a three-level factor with levels None, Weak and Strong.
MorningBound (morning boundaries): a three-level factor with levels None, Weak and Strong.
Boundaries (boundaries): a three-level factor with levels None, Weak and Strong.
CldShadeConv (cloud shading, convection): a three-level factor with levels None, Some and Marked.
CompPlFcst (composite plains forecast): a three-level factor with levels IncCapDecIns, LittleChange and DecCapIncIns.
CapChange (capping change): a three-level factor with levels Decreasing, LittleChange and Increasing.
LoLevMoistAd (low-level moisture advection): a four-level factor with levels StrongPos, WeakPos, Neutral and Negative.
InsChange (instability change): three-level factor with levels Decreasing, LittleChange and Increasing.
MountainFcst (mountains (region 1) forecast): a three-level factor with levels XNIL, SIG and SVR.
Date (date): a six-level factor with levels May15_Jun14, Jun15_Jul1, Jul2_Jul15, Jul16_Aug10, Aug11_Aug20 and Aug20_Sep15.
Scenario (scenario): an eleven-level factor with levels A, B, C, D, E, F, G, H, I, J and K.
ScenRelAMCIN (scenario relevant to AM convective inhibition): a two-level factor with levels AB and CThruK.
MorningCIN (morning convective inhibition): a four-level factor with levels None, PartInhibit, Stifling and TotalInhibit.
AMCINInScen (AM convective inhibition in scenario): a three-level factor with levels LessThanAve, Average and MoreThanAve.
CapInScen (capping withing scenario): a three-level factor with levels LessThanAve, Average and MoreThanAve.
ScenRelAMIns (scenario relevant to AM instability): a six-level factor with levels ABI, CDEJ, F, G, H and K.
LIfr12ZDENSd (LI from 12Z DEN sounding): a four-level factor with levels LIGt0, N1GtLIGt_4, N5GtLIGt_8 and LILt_8.
AMDewptCalPl (AM dewpoint calculations, plains): a three-level factor with levels Instability, Neutral and Stability.
AMInsWliScen (AM instability within scenario): a three-level factor with levels LessUnstable, Average and MoreUnstable.
InsSclInScen (instability scaling within scenario): a three-level factor with levels LessUnstable, Average and MoreUnstable.
ScenRel34 (scenario relevant to regions 2/3/4): a five-level factor with levels ACEFK, B, D, GJ and HI.
LatestCIN (latest convective inhibition): a four-level factor with levels None, PartInhibit, Stifling and TotalInhibit.
LLIW (LLIW severe weather index): a four-level factor with levels Unfavorable, Weak, Moderate and Strong.
CurPropConv (current propensity to convection): a four-level factor with levels None, Slight, Moderate and Strong.
ScnRelPlFcst (scenario relevant to plains forecast): an eleven-level factor with levels A, B, C, D, E, F, G, H, I, J and K.
PlainsFcst (plains forecast): a three-level factor with levels XNIL, SIG and SVR.
N34StarFcst (regions 2/3/4 forecast): a three-level factor with levels XNIL, SIG and SVR.
R5Fcst (region 5 forecast): a three-level factor with levels XNIL, SIG and SVR.
Dewpoints (dewpoints): a seven-level factor with levels LowEverywhere, LowAtStation, LowSHighN, LowNHighS, LowMtsHighPl, HighEverywher, Other.
LowLLapse (low-level lapse rate): a four-level factor with levels CloseToDryAd, Steep, ModerateOrLe and Stable.
MeanRH (mean relative humidity): a three-level factor with levels VeryMoist, Average and Dry.
MidLLapse (mid-level lapse rate): a three-level factor with levels CloseToDryAd, Steep and ModerateOrLe.
MvmtFeatures (movement of features): a four-level factor with levels StrongFront, MarkedUpper, OtherRapid and NoMajor.
RHRatio (realtive humidity ratio): a three-level factor with levels MoistMDryL, DryMMoistL and other.
SfcWndShfDis (surface wind shifts and discontinuities): a seven-level factor with levels DenvCyclone, E_W_N, E_W_S, MovigFtorOt, DryLine, None and Other.
SynForcng (synoptic forcing): a five-level factor with levels SigNegative, NegToPos, SigPositive, PosToNeg and LittleChange.
TempDis (temperature discontinuities): a four-level factor with levels QStationary, Moving, None, Other.
WindAloft (wind aloft): a four-level factor with levels LV, SWQuad, NWQuad, AllElse.
WindFieldMt (wind fields, mountains): a two-level factor with levels Westerly and LVorOther.
WindFieldPln (wind fields, plains): a six-level factor with levels LV, DenvCyclone, LongAnticyc, E_NE, SEquad and WidespdDnsl.
Source
Abramson B, Brown J, Edwards W, Murphy A, Winkler RL (1996). "Hailfinder: A Bayesian system for forecasting severe weather". International Journal of Forecasting, 12(1):57-71.
This page was built for dataset: hailfinder_dataset
