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func_ty_att.ncl
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func_ty_att.ncl
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load "func_isnotmissing.ncl"
undef ("Get_ty_genesis")
function Get_ty_genesis(tydata[*][*][*][8])
;;tydata = new((/maxDataYear,maxTy,maxDataNum,8/),"float") ;; num,YYYY,MM,DD,HH,lat,lon,Vmax
begin
dims = dimsizes(tydata)
maxyear = dims(0)
maxty = dims(1)
maxdata = dims(2)
tygen = new((/maxyear,maxty,8/),"float")
yeardim = tydata!0
tygen!0 = yeardim
tygen&$yeardim$ = tydata&$yeardim$
do y = 0 , maxyear-1
do ty = 0, maxty-1
ypt = tydata(y,ty,:,5)
xpt = tydata(y,ty,:,6)
vmax= tydata(y,ty,:,7)
do i = 0, maxdata-1
if((.not.ismissing(vmax(i))).and.(vmax(i).ge.34.))then
tygen(y,ty,:) = tydata(y,ty,i,:)
break
end if
end do
end do
end do
return tygen
end
undef("aveGenLocat")
function aveGenLocat(tygen[*][*][8])
begin
dsize = dimsizes(tygen)
maxyear = dsize(0)
maxty = dsize(1)
aveloc = new((/5,3/),"float") ; (all,PhS,SCS,other,missing),(lat,lon,count)
aveloc = 0.
aveloc(0,0) = avg(tygen(:,:,5))
aveloc(0,1) = avg(tygen(:,:,6))
aveloc(0,2) = maxyear+maxty
do y = 0, maxyear-1
do ty = 0, maxty-1
lon = tygen(y,ty,6)
lat = tygen(y,ty,5)
basin = GenBasin(lat,lon)
if (basin .eq. "PhS")then
aveloc(1,0) = aveloc(1,0) + lat
aveloc(1,1) = aveloc(1,1) + lon
aveloc(1,2) = aveloc(1,2) + 1
end if
if (basin .eq. "SCS")then
aveloc(2,0) = aveloc(2,0) + lat
aveloc(2,1) = aveloc(2,1) + lon
aveloc(2,2) = aveloc(2,2) + 1
end if
if (basin .eq. "OutBound")then
aveloc(3,0) = aveloc(3,0) + lat
aveloc(3,1) = aveloc(3,1) + lon
aveloc(3,2) = aveloc(3,2) + 1
end if
if (basin .eq. "Missing")then
aveloc(4,2) = aveloc(4,2) + 1
end if
end do
end do
do i = 1,2
do j = 0,1
if (.not.(aveloc(i,2).eq.0))then
aveloc(i,j) = aveloc(i,j)/aveloc(i,2)
end if
end do
end do
return aveloc
end
undef("GenBasin")
function GenBasin(lat,lon)
begin
basin = "OutBound"
if (ismissing(lat) .or. ismissing(lon))then
basin = "Missing"
else
;;if ((lon.gt.125.).and.(lon.le.150.))then
if ((lon.gt.125.).and.(lon.le.210.))then
basin = "PhS"
end if
if ((lon.le.120.) .and. (lon.ge.110.))then
basin = "SCS"
end if
end if
return basin
end
undef("countGBasin")
function countGBasin(lats,lons)
begin
maxty = dimsizes(lats)
maxlons = dimsizes(lons)
if(maxty .ne. maxlons)then
;print("function countGBasin(lats,lons), dimsizes mismatch")
end if
Basins = new(5,"integer") ;; all, PhS, SCS, Other, missing
Basins = 0
Basins!0 = "Counts"
BNames = (/"All","PhS","SCS","OutBound","Missing"/)
Basins&Counts = BNames
do i = 0, maxty-1
Basin = GenBasin(lats(i),lons(i))
if(Basin.ne."Missing")then
Basins(0) = Basins(0) +1
end if
if (Basin.eq."PhS")then
Basins(1) = Basins(1) +1
end if
if (Basin.eq."SCS")then
Basins(2) = Basins(2) +1
end if
if (Basin.eq."OutBound")then
Basins(3) = Basins(3) +1
end if
if (Basin.eq."Missing")then
Basins(4) = Basins(4) +1
end if
end do
return Basins
end
undef("filterMonths")
function filterMonths(tydata[*][*][*][8],mm[*])
begin
dims = dimsizes(tydata)
maxyear = dims(0)
maxty = dims(1)
maxdata = dims(2)
do y = 0, maxyear-1
do ty = 0, maxty-1
if((.not.ismissing(tydata(y,ty,0,0)) .and. (ismissing(ind(mm.eq.tydata(y,ty,0,2) )))))then
tydata(y,ty,:,:) = tydata@_FillValue
end if
end do
end do
return tydata
end
undef("filterBasins")
function filterBasins(tydata[*][*][*][8],basin)
begin
dims = dimsizes(tydata)
maxyear = dims(0)
maxty = dims(1)
maxdata = dims(2)
do y = 0, maxyear-1
do ty = 0, maxty-1
do i = 0, maxdata-1
if(.not.ismissing(tydata(y,ty,i,6)))then
lat = tydata(y,ty,i,5)
lon = tydata(y,ty,i,6)
;;if(isgenbasin(lat,lon,basin))then
;;print(basin+" needed "+GenBasin(lat,lon)+" got")
;;print("lat/lon:"+lat+"/"+lon)
if(GenBasin(lat,lon).eq.basin)then
;;print("Right")
break
end if
tydata(y,ty,:,:) = tydata@_FillValue
break
end if
end do
end do
end do
return tydata
end
undef("filterYears")
function filterYears(tydata[*][*][*][8],yy[*])
begin
dims = dimsizes(tydata)
tyy = tydata
maxyear = dims(0)
maxty = dims(1)
maxdata = dims(2)
ystart = tydata(0,0,0,1)
do y = 0, maxyear-1
do ty = 0, maxty-1
if((.not.ismissing(tyy(y,ty,0,0)) .and. (ismissing(ind(yy.eq.tyy(y,ty,0,1) )))))then
tyy(y,ty,:,:) = tyy@_FillValue
end if
end do
end do
return tyy
end
undef("filterNeartw")
function filterNeartw(tyrec[*][*][*][8])
begin
tydata = tyrec
dims = dimsizes(tydata)
maxyear = dims(0)
maxty = dims(1)
maxdata = dims(2)
do y = 0, maxyear-1
do ty =0, maxty-1
ypt = tydata(y,ty,:,5)
xpt = tydata(y,ty,:,6)
if(.not.isneartaiwan(ypt,xpt))then
tydata(y,ty,:,:) = tydata@_FillValue
end if
end do
end do
return tydata
end
undef("filterNearsouth")
function filterNearsouth(tyrec[*][*][*][8])
begin
tydata = tyrec
dims = dimsizes(tydata)
maxyear = dims(0)
maxty = dims(1)
maxdata = dims(2)
do y = 0, maxyear-1
do ty =0, maxty-1
ypt = tydata(y,ty,:,5)
xpt = tydata(y,ty,:,6)
if(.not.isnearsouth(ypt,xpt))then
tydata(y,ty,:,:) = tydata@_FillValue
end if
end do
end do
return tydata
end
undef("alignTY")
function alignTY(tcrec[*][*][*][8])
begin
tydata = tcrec
tydata@_FillValue = -999.
dims = dimsizes(tydata)
maxyear = dims(0)
maxty = dims(1)
maxdata = dims(2)
do y = 0, maxyear-1
do ty= 0, maxty-1
tymaxI= maxind(tydata(y,ty,:,7)) ; max wind
if(ismissing(tymaxI))then
continue
end if
do i = tymaxI, maxdata-1
if((ismissing(tydata(y,ty,i,7))).or.(tydata(y,ty,i,7).lt.35.).or.tydata(y,ty,i,7).ge.200.)then
tydata(y,ty,i:,:) = tydata@_FillValue
break
end if
end do
do j = 0, tymaxI
if(ismissing(tydata(y,ty,j,7)))then
tydata(y,ty,:,:) = tydata@_FillValue
break
end if
if (tydata(y,ty,j,7).ge.35.)then
ptmp = tydata(y,ty,j:i-1,:)
tydata(y,ty,0:i-j-1,:) = (/ptmp/)
tydata(y,ty,i-j:,:) = tydata@_FillValue
delete(ptmp)
break
end if
end do
end do
end do
return tydata
end
undef("yearly_gen_counts")
function yearly_gen_counts(tygen[*][*][8])
begin
dims = dimsizes(tygen)
maxyear = dims(0)
maxty = dims(1)
counts = new((/maxyear,5/),"float"); (all,PhS,SCS,other,missing),counts
yeardim = tygen!0
counts!0 = yeardim
counts&$yeardim$ = tygen&$yeardim$
do y = 0, maxyear-1
lats = tygen(y,:,5)
lons = tygen(y,:,6)
yearcounts = countGBasin(lats,lons)
counts(y,:) = yearcounts
end do
return counts
end
undef("tyturns")
function tyturns(tydata[*][*][*][8])
begin
regN = 4
dims = dimsizes(tydata)
tyturn = new(dims(0:2),"float")
do y = 0, dims(0)-1
do ty= 0, dims(1)-1
do i = regN, dims(2)-1-regN
if (any(ismissing(tydata(y,ty,i-regN:i+regN-1,5))))then
else
tyturn(y,ty,i) = traj_angle(tydata(y,ty,i-regN:i+regN-1,5),tydata(y,ty,i-regN:i+regN-1,6))
end if
end do
end do
end do
return tyturn
end
undef("slop2angle")
function slop2angle(m1,m2,xdir1,xdir2)
begin
a1 = atan(m1)
a2 = atan(m2)
if(xdir1 .lt.0)then
a1 = a1+3.14159
end if
if(xdir2 .lt.0)then
a2 = a2+3.14159
end if
ang = a2-a1
ang = ang*180./3.14159
return ang
end
undef("traj_angle")
function traj_angle(lats[*],lons[*])
begin
dims = dimsizes(lats)
if(dims.ne.dimsizes(lons)) then
exit
end if
per = dims/2
if(any(ismissing(lats)))then
angle = new(1,"float")
else
m1 = regline(lons(0:per-1),lats(0:per-1))
xdir1 = lons(per-1) - lons(0)
m2 = regline(lons(per:),lats(per:))
xdir2 = lons(dims-1) - lons(per)
angle = slop2angle(m1,m2,xdir1,xdir2)
end if
return angle
end
undef("Tyrec2TyHr")
function Tyrec2TyHr(tcrec[*][*][*][8])
begin
reso = 5.
load "res_map.ncl"
latB = res@mpMinLatF
latE = res@mpMaxLatF
lonB = res@mpMinLonF
lonE = res@mpMaxLonF
nx = floattoint((lonE-lonB)/reso)+2
lons = fspan(lonB-(reso/2.),lonE+(reso/2.),nx)
lons@units = "degree_east"
ny = floattoint((latE-latB)/reso)+2
lats = fspan(latB-(reso/2.),latE+(reso/2.),ny)
lats@units = "degrees_north"
tyhr = new((/ny,nx/),"float")
tyhr = 0.
tyhr!0 = "lat"
tyhr&lat = lats
tyhr!1 = "lon"
tyhr&lon = lons
dims = dimsizes(tcrec)
do y = 0,dims(0) -1
do ty = 0,dims(1) -1
do d = 0,dims(2) -1
if(.not.ismissing(tcrec(y,ty,d,5)))then
ypt = tcrec(y,ty,d,5)
xpt = tcrec(y,ty,d,6)
vmax= tcrec(y,ty,d,7)
j = floattoint((ypt-latB)/reso) +1
i = floattoint((xpt-lonB)/reso) +1
if(j.lt.ny.and.j.ge.0.and.i.lt.nx.and.i.ge.0.and.vmax.ge.34)then
tyhr(j,i) = tyhr(j,i) + 6.
end if
if(j.eq.4.and.i.eq.2)then
end if
end if
end do
end do
end do
tyhr = tyhr/(2007-1965+1)
return tyhr
end
undef("Tyrec2TyHrmon")
function Tyrec2TyHrmon(tcrec[*][*][*][8])
begin
reso = 5.
load "res_map.ncl"
latB = res@mpMinLatF
latE = res@mpMaxLatF
lonB = res@mpMinLonF
lonE = res@mpMaxLonF
nx = floattoint((lonE-lonB)/reso)+2
lons = fspan(lonB-(reso/2.),lonE+(reso/2.),nx)
lons@units = "degree_east"
ny = floattoint((latE-latB)/reso)+2
lats = fspan(latB-(reso/2.),latE+(reso/2.),ny)
lats@units = "degrees_north"
dims = dimsizes(tcrec)
nt = dims(0)*12
tyhr = new((/nt,ny,nx/),"float")
tyhr = 0.
tyhr!0 = "time"
tyhr!1 = "lat"
tyhr&lat = lats
tyhr!2 = "lon"
tyhr&lon = lons
dims = dimsizes(tcrec)
do y = 0,dims(0) -1
do ty = 0,dims(1) -1
do d = 0,dims(2) -1
if(.not.ismissing(tcrec(y,ty,d,5)))then
ypt = tcrec(y,ty,d,5)
xpt = tcrec(y,ty,d,6)
vmax= tcrec(y,ty,d,7)
j = floattoint((ypt-latB)/reso) +1
i = floattoint((xpt-lonB)/reso) +1
if(j.lt.ny.and.j.ge.0.and.i.lt.nx.and.i.ge.0.and.vmax.ge.34)then
t = floattoint((y*12) + tcrec(y,ty,d,2))
tyhr(t,j,i) = tyhr(t,j,i) + 6.
end if
end if
end do
end do
end do
dfile = "TyHrmon.nc"
if (isfilepresent(dfile))then
system("rm "+dfile)
end if
ff = addfile(dfile,"c")
ff->tyhr = tyhr
return tyhr
end
undef("Tyrec2TyOC")
function Tyrec2TyOC(tcrec[*][*][*][8])
begin
dfile = "TyOC.nc"
reso = 5.
load "res_map.ncl"
latB = res@mpMinLatF
latE = res@mpMaxLatF
lonB = res@mpMinLonF
lonE = res@mpMaxLonF
nx = floattoint((lonE-lonB)/reso)+2
lons = fspan(lonB-(reso/2.),lonE+(reso/2.),nx)
lons@units = "degree_east"
ny = floattoint((latE-latB)/reso)+2
lats = fspan(latB-(reso/2.),latE+(reso/2.),ny)
lats@units = "degrees_north"
tyocp = new((/ny,nx/),"float")
tyocp!0 = "lat"
tyocp&lat = lats
tyocp!1 = "lon"
tyocp&lon = lons
tyocp = 0.
tyoc = tyocp
dims = dimsizes(tcrec)
do y = 0,dims(0) -1
do ty = 0,dims(1) -1
do d = 0,dims(2) -1
if(.not.ismissing(tcrec(y,ty,d,5)))then
ypt = tcrec(y,ty,d,5)
xpt = tcrec(y,ty,d,6)
vmax= tcrec(y,ty,d,7)
j = floattoint((ypt-latB)/reso) +1
i = floattoint((xpt-lonB)/reso) +1
if(j.lt.ny.and.j.ge.0.and.i.lt.nx.and.i.ge.0.and.vmax.ge.34)then
tyocp(j,i) = 1.
end if
end if
end do
tyoc = tyoc + tyocp
tyocp = 0.
end do
end do
if (isfilepresent(dfile))then
system("rm "+dfile)
end if
ff = addfile(dfile,"c")
ff->tyoc = tyoc
return tyoc
end
undef("Tyrec2TyOCmon")
function Tyrec2TyOCmon(tcrec[*][*][*][8])
begin
dfile = "TyOCmon.nc"
reso = 5.
load "res_map.ncl"
latB = res@mpMinLatF
latE = res@mpMaxLatF
lonB = res@mpMinLonF
lonE = res@mpMaxLonF
nx = floattoint((lonE-lonB)/reso)+2
lons = fspan(lonB-(reso/2.),lonE+(reso/2.),nx)
lons@units = "degree_east"
ny = floattoint((latE-latB)/reso)+2
lats = fspan(latB-(reso/2.),latE+(reso/2.),ny)
lats@units = "degrees_north"
dims = dimsizes(tcrec)
nt = dims(0)*12
tyocp = new((/nt,ny,nx/),"float")
tyocp!0 = "time"
tyocp!1 = "lat"
tyocp&lat = lats
tyocp!2 = "lon"
tyocp&lon = lons
tyocp = 0.
tyoc = tyocp
dims = dimsizes(tcrec)
do y = 0,dims(0) -1
do ty = 0,dims(1) -1
do d = 0,dims(2) -1
if(.not.ismissing(tcrec(y,ty,d,5)))then
ypt = tcrec(y,ty,d,5)
xpt = tcrec(y,ty,d,6)
vmax= tcrec(y,ty,d,7)
mm = tcrec(y,ty,d,2)
t = floattointeger(y*12+mm-1)
j = floattoint((ypt-latB)/reso) +1
i = floattoint((xpt-lonB)/reso) +1
if(j.lt.ny.and.j.ge.0.and.i.lt.nx.and.i.ge.0.and.vmax.ge.34)then
;print("t= "+t)
tyocp(t,j,i) = 1.
end if
end if
end do
tyoc = tyoc + tyocp
tyocp = 0.
end do
end do
;tyoc = tyoc/(2007-1965+1)
if (isfilepresent(dfile))then
system("rm "+dfile)
end if
ff = addfile(dfile,"c")
ff->tyoc = tyoc
return tyoc
end
undef("tyRecCont")
function tyRecCont(tcrec[*][*][*][8])
begin
tycont = 0
tycont@TyRecuCount = 0
tcdims = dimsizes(tcrec)
return tycont
end
undef("isgenbasin")
function isgenbasin (lat[*]:float, lon[*]:float, basin)
local i,j,k,genbasin
begin
rightbasin = False
do i = 0, dimsizes(lat)-1
if (.not.ismissing(lat(i)) \
)then
if(GenBasin(lat(i),lon(i).eq.basin))then
rightbasin = True
end if
break
end if
end do
return(rightbasin)
end
undef("rvke")
function rvke(vknot) ; from Yu et al. 2009, revised ACE index
begin
v = vknot
vc = 35.
v = where(v.lt.vc,v@_FillValue,v)
a = 0.51
rc = (v/vc)^(1/a)
ke = (v*v/(rc*rc)) * (0.5 + ((rc^(2-(2*a))-1)/(1-a)))
return ke
end
undef("Tyrec2TyKEmon")
function Tyrec2TyKEmon(tcrec[*][*][*][8])
begin
;print("Tyrec2TyKEmon")
dfile = "TyKEmon.nc"
reso = 5.
load "res_map.ncl"
latB = res@mpMinLatF
latE = res@mpMaxLatF
lonB = res@mpMinLonF
lonE = res@mpMaxLonF
nx = floattoint((lonE-lonB)/reso)+2
lons = fspan(lonB-(reso/2.),lonE+(reso/2.),nx)
lons@units = "degree_east"
ny = floattoint((latE-latB)/reso)+2
lats = fspan(latB-(reso/2.),latE+(reso/2.),ny)
lats@units = "degrees_north"
dims = dimsizes(tcrec)
nt = dims(0)*12
tykep = new((/nt,ny,nx/),"float")
tykep!0 = "time"
tykep!1 = "lat"
tykep&lat = lats
tykep!2 = "lon"
tykep&lon = lons
tykep = 0.
tyke = tykep
dims = dimsizes(tcrec)
do y = 0,dims(0) -1
do ty = 0,dims(1) -1
do d = 0,dims(2) -1
if(.not.ismissing(tcrec(y,ty,d,5)))then
ypt = tcrec(y,ty,d,5)
xpt = tcrec(y,ty,d,6)
vmax= tcrec(y,ty,d,7)
mm = tcrec(y,ty,d,2)
t = floattointeger(y*12+mm-1)
j = floattoint((ypt-latB)/reso) +1
i = floattoint((xpt-lonB)/reso) +1
if(j.lt.ny.and.j.ge.0.and.i.lt.nx.and.i.ge.0.and.vmax.ge.34)then
; print("t= "+t)
tykep(t,j,i) = tykep(t,j,i) + (vmax*vmax)
end if
end if
end do
tyke = tyke + tykep
tykep = 0.
end do
end do
;tyke = tyke/(2007-1965+1)
if (isfilepresent(dfile))then
system("rm "+dfile)
end if
ff = addfile(dfile,"c")
ff->tyke = tyke
return tyke
end
undef("Tyrec2TyGenmon")
function Tyrec2TyGenmon(tcrec[*][*][*][8])
begin
;print("Tyrec2TyGenmon")
dfile = "TyGenmon.nc"
reso = 5.
yb = floattoint(min(tcrec(:,:,:,1)))
ye = floattoint(max(tcrec(:,:,:,1)))
load "res_map.ncl"
latB = res@mpMinLatF
latE = res@mpMaxLatF
lonB = res@mpMinLonF
lonE = res@mpMaxLonF
nx = floattoint((lonE-lonB)/reso)+2
lons = fspan(lonB-(reso/2.),lonE+(reso/2.),nx)
lons@units = "degree_east"
ny = floattoint((latE-latB)/reso)+2
lats = fspan(latB-(reso/2.),latE+(reso/2.),ny)
lats@units = "degrees_north"
dims = dimsizes(tcrec)
times = yyyymm_time(yb,ye,"integer")
nt = dims(0)*12
tygep = new((/nt,ny,nx/),"float")
tygep!0 = "time"
tygep&time = times
tygep!1 = "lat"
tygep&lat = lats
tygep!2 = "lon"
tygep&lon = lons
tygep = 0.
tyge = tygep
dims = dimsizes(tcrec)
do y = 0,dims(0) -1
do ty = 0,dims(1) -1
do d = 0,dims(2) -1
if(.not.ismissing(tcrec(y,ty,d,5)))then
ypt = tcrec(y,ty,d,5)
xpt = tcrec(y,ty,d,6)
vmax= tcrec(y,ty,d,7)
mm = tcrec(y,ty,d,2)
t = floattointeger(y*12+mm-1)
j = floattoint((ypt-latB)/reso) +1
i = floattoint((xpt-lonB)/reso) +1
if(j.lt.ny.and.j.ge.0.and.i.lt.nx.and.i.ge.0.and.vmax.ge.34)then
; print("t= "+t)
tygep(t,j,i) = tygep(t,j,i) + 1
break
end if
end if
end do
tyge = tyge + tygep
tygep = 0.
end do
end do
if (isfilepresent(dfile))then
system("rm "+dfile)
end if
ff = addfile(dfile,"c")
ff->tyge = tyge
return tyge
end
undef("Tyrec2TyRvKEmon")
function Tyrec2TyRvKEmon(tcrec[*][*][*][8])
begin
;print("Tyrec2TyRvKEmon")
dfile = "TyRvKEmon.nc"
reso = 5.
load "res_map.ncl"
latB = res@mpMinLatF
latE = res@mpMaxLatF
lonB = res@mpMinLonF
lonE = res@mpMaxLonF
nx = floattoint((lonE-lonB)/reso)+2
lons = fspan(lonB-(reso/2.),lonE+(reso/2.),nx)
lons@units = "degree_east"
ny = floattoint((latE-latB)/reso)+2
lats = fspan(latB-(reso/2.),latE+(reso/2.),ny)
lats@units = "degrees_north"
dims = dimsizes(tcrec)
nt = dims(0)*12
tykep = new((/nt,ny,nx/),"float")
tykep!0 = "time"
tykep&time = yyyymm_time(1965, 2008, "integer")
tykep!1 = "lat"
tykep&lat = lats
tykep!2 = "lon"
tykep&lon = lons
tykep = 0.
tyke = tykep
do y = 0,dims(0) -1
do ty = 0,dims(1) -1
do d = 0,dims(2) -1
if(.not.ismissing(tcrec(y,ty,d,5)))then
ypt = tcrec(y,ty,d,5)
xpt = tcrec(y,ty,d,6)
vmax= tcrec(y,ty,d,7)
mm = tcrec(y,ty,d,2)
t = floattointeger(y*12+mm-1)
j = floattoint((ypt-latB)/reso) +1
i = floattoint((xpt-lonB)/reso) +1
if(j.lt.ny.and.j.ge.0.and.i.lt.nx.and.i.ge.0.and.vmax.ge.34)then
tykep(t,j,i) = tykep(t,j,i) + rvke(vmax)
end if
end if
end do
tyke = tyke + tykep
tykep = 0.
end do
end do
;tyke = tyke/(2007-1965+1)
if (isfilepresent(dfile))then
system("rm "+dfile)
end if
ff = addfile(dfile,"c")
ff->tyrvke = tyke
return tyke
end