61 lines
2 KiB
Python
61 lines
2 KiB
Python
|
# ----------------------------------------------------------------------------
|
||
|
|
# This software is in the public domain, furnished "as is", without technical
|
||
|
|
# support, and with no warranty, express or implied, as to its usefulness for
|
||
|
|
# any purpose.
|
||
|
|
#
|
||
|
|
# LAL_Tool - Uses weather, pop and qpf to assign LAL
|
||
|
|
#
|
||
|
|
# No local configuration is required for this tool
|
||
|
|
#
|
||
|
|
# Author: Brian Brong 8-22-02
|
||
|
|
#
|
||
|
|
# Ported to AWIPS II by Tom LeFebvre
|
||
|
|
#
|
||
|
|
# ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
ToolType = "numeric"
|
||
|
|
WeatherElementEdited = "LAL"
|
||
|
|
from numpy import *
|
||
|
|
HideTool = 0
|
||
|
|
from WxMethods import *
|
||
|
|
|
||
|
|
# Set up Class
|
||
|
|
import SmartScript
|
||
|
|
|
||
|
|
class Tool(SmartScript.SmartScript):
|
||
|
|
def __init__(self, dbss):
|
||
|
|
SmartScript.SmartScript.__init__(self, dbss)
|
||
|
|
|
||
|
|
def execute(self, Wx, PoP, QPF, LAL):
|
||
|
|
"Assigns LAL based on Wx, PoP, and QPF"
|
||
|
|
LAL = 1
|
||
|
|
|
||
|
|
# QPF mask for LAL 6
|
||
|
|
qpfmask = less(QPF, 0.10)
|
||
|
|
|
||
|
|
# Wx mask for Thunder in the Wx grids
|
||
|
|
wxmask = self.wxMask(Wx, ":T:")
|
||
|
|
|
||
|
|
#dry thunderstorm Mask
|
||
|
|
dryTmask = logical_and(qpfmask, wxmask)
|
||
|
|
|
||
|
|
print("Dry mask has", sum(sum(dryTmask)), "points")
|
||
|
|
|
||
|
|
# Masks for LAL values 2-6 based on PoP and wxmask
|
||
|
|
# Trouble with using the Wx grid is GFE does not understand
|
||
|
|
# Widely Scattered for LAL 3. Will use a PoP range 20 to 35 for LAL = 3
|
||
|
|
lal2 = logical_and(wxmask, logical_and(greater_equal(PoP, 10), less(PoP, 20)))
|
||
|
|
lal3 = logical_and(wxmask, logical_and(greater_equal(PoP, 20), less(PoP, 35)))
|
||
|
|
lal4 = logical_and(wxmask, logical_and(greater_equal(PoP, 35), less(PoP, 60)))
|
||
|
|
lal5 = logical_and(wxmask, greater_equal(PoP, 60))
|
||
|
|
lal6 = logical_and(dryTmask, greater_equal(LAL,3))
|
||
|
|
|
||
|
|
# Assign LAL values 2-5 based on LAL masks
|
||
|
|
LAL = where(lal2, 2, where(lal3, 3, where(lal4, 4, where(lal5, 5, LAL))))
|
||
|
|
|
||
|
|
# Assign LAL 6 where dryTmask and LAL >= 3
|
||
|
|
LAL[lal6] = 6
|
||
|
|
|
||
|
|
# Return the new value
|
||
|
|
return LAL
|