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nws: lowercase wind speed, strip trailing punctuation on locations, fix compass

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Fix 1: wind.lower() so 60 MPH winds becomes 60 mph winds.
Fix 2: rstrip trailing period/comma/space from locations text.
Fix 3: bearing is direction storm moves TOWARD, not FROM — remove
the +180 flip and use (deg+22.5)/45 for correct compass bucketing.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Matt Johnson (via Claude) 2026-06-08 07:09:47 +00:00
commit e27d60ca49
1 changed files with 5 additions and 6 deletions
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11
meshai/central/nws_handler.py
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@ -117,13 +117,12 @@ def _parse_motion(params: dict) -> tuple:
m = re.search(r"(\d+)DEG\.+(\d+)KT", raw)
if not m:
return None, None
deg = int(m.group(1))
deg = float(m.group(1))
knots = int(m.group(2))
mph = round(knots * 1.15)
# Convert bearing (direction storm is coming FROM) to heading (direction moving TOWARD)
heading = (deg + 180) % 360
# Bearing is the direction the storm is moving TOWARD
dirs = ["N", "NE", "E", "SE", "S", "SW", "W", "NW"]
compass = dirs[round(heading / 45) % 8]
compass = dirs[int((deg + 22.5) / 45) % 8]
return compass, mph
@ -340,7 +339,7 @@ def _render(*, event_type, area_desc, geocoder_city, county, state,
wind = (params.get("maxWindGust") or [""])[0]
hail = (params.get("maxHailSize") or [""])[0]
bits = []
if wind and wind not in ("0 MPH", ""): bits.append(f"{wind} winds")
if wind and wind not in ("0 MPH", ""): bits.append(f"{wind.lower()} winds")
if hail and hail not in ("0.00", "0", ""): bits.append(f"{hail} in hail")
hazard = ", ".join(bits)
confirm = "Radar confirmed" if certainty == "Observed" else "Radar indicated"
@ -375,7 +374,7 @@ def _render(*, event_type, area_desc, geocoder_city, county, state,
# Line 4: motion + locations
compass, speed_mph = _parse_motion(params)
motion = f"Moving {compass} {speed_mph} mph" if compass and speed_mph else ""
locations = desc.get("locations") or ""
locations = (desc.get("locations") or "").rstrip("., ")
if len(locations) > 40:
locations = locations[:37] + "..."
if motion and locations: