73 lines
2.6 KiB
Python
73 lines
2.6 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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import logging
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import Avn
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import ForecastPointDataRetrieve, NoDataException
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#
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# Retrieves mos lightning data through pointdata interfaces
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#
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#
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# SOFTWARE HISTORY
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#
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# Date Ticket# Engineer Description
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# ------------ ---------- ----------- --------------------------
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# 09/15/09 njensen Initial Creation.
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# 26APR2012 14688 rferrel Use ForecastPointDataRetrieve.
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# 03APR2013 1735 rferrel Limit retrieval for forecast times to the number used.
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# 13JUL2015 4544 dgilling Use new lightning probability parameter.
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# 06MAR2020 DCS21314 mporricelli Use 1hr lightning probability once available
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#
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#
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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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PARAMETERS = ['ltg1hr', 'ltg2hr', 'stationId', 'refTime', 'fcstHr']
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LOOK_AHEAD = 3 # hours
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SEC_PER_HOUR = 60*60
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_Logger = logging.getLogger(Avn.CATEGORY)
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def retrieve(siteID):
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try:
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pdc = ForecastPointDataRetrieve.retrieve('bufrmosLAMP', siteID, PARAMETERS, forecastTimesLimit=3)
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except NoDataException.NoDataException:
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return None
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pots2hr = []
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pots1hr = []
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try:
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# assume pdc[0] is 0 hour and not used in the forecast.
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vtime = pdc[1]['refTime'] / 1000.0 + LOOK_AHEAD*SEC_PER_HOUR
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for n in range(1, LOOK_AHEAD):
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pdv = pdc[n]
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# both ltg2hr and ltg1hr are stored in the bufrmosLAMP data, but when data
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# is not flowing for one of them, the data for that one is all -9999
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pots2hr.append(pdv['ltg2hr'])
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pots1hr.append(pdv['ltg1hr'])
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data = max([x for x in pots2hr if 0 <= x <= 100] + [y for y in pots1hr if 0 <= y <= 100] + [0])
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return {'from': vtime-LOOK_AHEAD*SEC_PER_HOUR, 'to': vtime, 'prob': min(data, 100)}
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except KeyError:
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return None
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