pyIEM Documentation#

pyIEM is a Python library that provides utilities for processing weather data, particularly data from the Iowa Environmental Mesonet (IEM) and the National Weather Service (NWS).

Installation#

Install from PyPI:

pip install pyiem

Or from conda-forge:

conda install -c conda-forge pyiem

Features#

  • Parse NWS text products including VTEC-enabled products

  • Work with SHEF-encoded hydrological data

  • Generate plots with IEM styling and map backgrounds

  • Access IEM databases and web services

  • Process METAR observations

  • Handle various meteorological data formats

Quick Start#

from pyiem.nws.products import parser
from pyiem.util import utc

# Parse a NWS text product
text = open("warning.txt").read()
prod = parser(text, utcnow=utc())

for segment in prod.segments:
    for vtec in segment.vtec:
        print(f"{vtec.phenomena}.{vtec.significance} ETN:{vtec.etn}")

API Reference#

API Reference:

Indices and tables#