Merge pull request #975 from akrherz/mww_vtec_channels

Tweak MWW product channels

.pre-commit-config.yaml

@@ -2,7 +2,7 @@ ci:
   autoupdate_schedule: quarterly
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: "v0.7.3"
+    rev: "v0.7.4"
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]

CHANGELOG.md

@@ -27,6 +27,8 @@ generating plots of HRRR ptype.
 - Accomodate ancient LSRs using `TRACE` as the magnitude field.
 - Ensure geometries going into masking helper are CCW, to mask outside of.
 - Properly check USDM service response prior to parsing it.
+- Refine which `MWW` products are not defaulted into the main WFO Channels,
+  those being VTEC codes `SC`, `MF`, and `GL`.
 - Support parsing `CLI` products circa 2007 with a bad space.
 
 ## **1.21.0** (6 Sep 2024)

src/pyiem/nws/products/_vtec_jabber.py

@@ -8,16 +8,18 @@
 
 # Local
 from pyiem.nws.ugc import ugcs_to_text
-from pyiem.nws.vtec import get_action_string
+from pyiem.nws.vtec import VTEC, get_action_string
 from pyiem.reference import TWEET_CHARS
 
 
-def build_channels(prod, segment, vtec) -> list:
+def build_channels(prod, segment, vtec: VTEC) -> list:
     """Build a list of channels for the given segment/vtec."""
     ps = f"{vtec.phenomena}.{vtec.significance}"
     channels = []
-    # Two noisey products that don't default to the main WFO channel
-    if prod.afos[:3] in ["MWW", "RFW"]:
+    # Noisey products that don't default to the main WFO channel
+    if prod.afos[:3] == "RFW" or (
+        prod.afos[:3] == "MWW" and vtec.phenomena in ("SC", "GL", "MF")
+    ):
         channels.append(f"{prod.afos[:3]}{prod.source[1:]}")
     else:
         channels.append(prod.source[1:])