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