110 lines
4.3 KiB
Python
110 lines
4.3 KiB
Python
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##
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# This software was developed and / or modified by Raytheon Company,
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# pursuant to Contract DG133W-05-CQ-1067 with the US Government.
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#
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# U.S. EXPORT CONTROLLED TECHNICAL DATA
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# This software product contains export-restricted data whose
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# export/transfer/disclosure is restricted by U.S. law. Dissemination
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# to non-U.S. persons whether in the United States or abroad requires
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# an export license or other authorization.
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#
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# Contractor Name: Raytheon Company
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# Contractor Address: 6825 Pine Street, Suite 340
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# Mail Stop B8
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# Omaha, NE 68106
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# 402.291.0100
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#
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# See the AWIPS II Master Rights File ("Master Rights File.pdf") for
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# further licensing information.
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##
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##
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# This is a base file that is not intended to be overridden.
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#
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# This file can be subclassed to override behavior. Please see the
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# Configuration Guides->Smart Initialization Configuration section of the GFE
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# Online Help for guidance on creating a new smart init
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##
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# LAPS Smart Init module
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from Init import *
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class LAPSForecaster(Forecaster):
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##-------------------------------------------------------------------------
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## ifpInit module to calculate surface weather values from LAPS analysis
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##-------------------------------------------------------------------------
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def __init__(self):
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Forecaster.__init__(self, "LAPS", "LAPS")
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##-------------------------------------------------------------------------
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## Converts LAPS surface temp from K to F
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##-------------------------------------------------------------------------
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def calcT(self, t_SFC):
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return self.KtoF(t_SFC)
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##-------------------------------------------------------------------------
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## Converts LAPS surface dew point temp from K to F
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##-------------------------------------------------------------------------
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def calcTd(self, dpt_SFC):
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return self.KtoF(dpt_SFC)
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##-------------------------------------------------------------------------
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## Convert LAPS surface wind speed from m/x to knots
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##-------------------------------------------------------------------------
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def calcWind(self, wind_SFC):
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mag = wind_SFC[0]
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dir = wind_SFC[1]
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mag = mag * 1.94 # convert m/s to knots
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dir = clip(dir, 0, 359.5)
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return (mag, dir)
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##-------------------------------------------------------------------------
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## Uses LAPS skyCover grid to make IFP sky grids
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##-------------------------------------------------------------------------
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def calcSky(self, ccov_SFC):
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return clip(ccov_SFC, 0, 100)
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##-------------------------------------------------------------------------
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## Uses LAPS one-hour snowAmt grids to initialize SnowAmt
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##-------------------------------------------------------------------------
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def calcSnowAmt(self, s1hr_SFC):
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return s1hr_SFC * 3.28 * 12
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##-------------------------------------------------------------------------
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## Uses LAPS precip grids to initialize QPF
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##-------------------------------------------------------------------------
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def calcQPF(self, pc_SFC):
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return pc_SFC * 3.28 * 12
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##-------------------------------------------------------------------------
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## Return the LAPS low level radar analysis
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##-------------------------------------------------------------------------
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def calcRadar(self, llr_SFC):
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return llr_SFC
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##-------------------------------------------------------------------------
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## Uses LAPS weather grids to initialize weather
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##-------------------------------------------------------------------------
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def calcWx(self, spt_SFC):
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wx = spt_SFC.astype(int8)
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outOfAreaMask = logical_or(greater(wx, 7),less(wx, 0))
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wx[outOfAreaMask] = 0
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return (wx, self._getWxKey())
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##-------------------------------------------------------------------------
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## Internal function that defines the weather key
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##-------------------------------------------------------------------------
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def _getWxKey(self):
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key = ['<NoCov>:<NoWx>:<NoInten>:<NoVis>:',
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"Wide:R:-:<NoVis>:", "Wide:S:-:<NoVis>:",
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"Wide:ZR:-:<NoVis>:", "Wide:IP:-:<NoVis>:",
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"Def:H:<NoInten>:<NoVis>:", "Wide:L:-:<NoVis>:",
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"Wide:ZL:-:<NoVis>:"]
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return key
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def main():
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LAPSForecaster().run()
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