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Fully implement parsing of hydrological VTEC events

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This commit is contained in:
XANTRONIX Industrial 2025-02-21 00:10:49 -05:00
parent 0516b2e48d
commit 1876749907
3 changed files with 46 additions and 26 deletions
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17
db/nexrad.sql
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@ -49,14 +49,17 @@ create table nexrad_afos_message (
timestamp_start TIMESTAMP NOT NULL, timestamp_start TIMESTAMP NOT NULL,
timestamp_end TIMESTAMP NOT NULL, timestamp_end TIMESTAMP NOT NULL,
serial INTEGER NOT NULL, serial INTEGER NOT NULL,
product TEXT NOT NULL,
vtec_type TEXT NOT NULL,
actions TEXT NOT NULL,
wfo TEXT NOT NULL,
phenom TEXT NOT NULL,
sig TEXT NOT NULL,
etn INTEGER NOT NULL,
text_raw TEXT NOT NULL, text_raw TEXT NOT NULL,
product TEXT NOT NULL,
wfo TEXT NOT NULL,
vtec_type TEXT,
actions TEXT,
phenom TEXT,
sig TEXT,
etn INTEGER,
hydro_severity TEXT,
hydro_cause TEXT,
hydro_record TEXT,
azimuth FLOAT NOT NULL, azimuth FLOAT NOT NULL,
speed FLOAT NOT NULL, speed FLOAT NOT NULL,
forecaster TEXT NOT NULL forecaster TEXT NOT NULL

35
lib/nexrad/afos.py
View file

@ -5,7 +5,7 @@ import shapely
from nexrad.db import DatabaseTable from nexrad.db import DatabaseTable
from nexrad.coord import COORD_SYSTEM from nexrad.coord import COORD_SYSTEM
from nexrad.vtec import VTECEvent from nexrad.vtec import VTECEvent, VTECHydroEvent
RE_ID = re.compile(r'^(\d+)$') RE_ID = re.compile(r'^(\d+)$')
@ -123,18 +123,24 @@ class AFOSMessage(DatabaseTable):
timestamp_start: datetime.datetime timestamp_start: datetime.datetime
timestamp_end: datetime.datetime timestamp_end: datetime.datetime
product: str text_raw: str
vtec_type: str product: str
actions: str wfo: str
wfo: str
phenom: str vtec_type: str
sig: str actions: str
etn: int phenom: str
text_raw: str sig: str
etn: int
hydro_severity: str
hydro_cause: str
hydro_record: str
azimuth: int azimuth: int
speed: int speed: int
location: shapely.Point
forecaster: str forecaster: str
location: shapely.Point
poly: shapely.Geometry poly: shapely.Geometry
def __init__(self): def __init__(self):
@ -207,6 +213,15 @@ class AFOSMessageParser():
self.message.sig = vtec.sig self.message.sig = vtec.sig
self.message.etn = vtec.etn self.message.etn = vtec.etn
vtec = VTECHydroEvent.parse(line)
if vtec is not None:
self.message.timestamp_start = vtec.timestamp_start
self.message.timestamp_end = vtec.timestamp_end
self.message.hydro_severity = vtec.severity
self.message.hydro_cause = vtec.cause
self.message.hydro_record = vtec.record
def parse_serial(self, line: str): def parse_serial(self, line: str):
match = RE_ID.match(line) match = RE_ID.match(line)

20
lib/nexrad/vtec.py
View file

@ -60,12 +60,13 @@ class VTECEventType(enum.StrEnum):
EXPERIMENTAL_VTEC = 'X' EXPERIMENTAL_VTEC = 'X'
class VTECEvent(): class VTECEvent():
typeof: str typeof: str
actions: str actions: str
wfo: str wfo: str
phenom: str phenom: str
sig: str sig: str
etn: int etn: int
timestamp_start: datetime.datetime timestamp_start: datetime.datetime
timestamp_end: datetime.datetime timestamp_end: datetime.datetime
@ -94,9 +95,10 @@ class VTECHydroEvent():
'severity', 'cause', 'record', 'timestamp_start', 'timestamp_end' 'severity', 'cause', 'record', 'timestamp_start', 'timestamp_end'
) )
severity: str severity: str
cause: str cause: str
record: str record: str
timestamp_start: datetime.datetime timestamp_start: datetime.datetime
timestamp_end: datetime.datetime timestamp_end: datetime.datetime