First published · Last updated
Flash Flood Warning — NWS Flagstaff, AZ (issued Sep 18)
The National Weather Service in Flagstaff, AZ issued a Flash Flood Warning on September 18 (2:11 PM MST) effective until September 18 (5:15 PM MST) for the Flagstaff, Arizona area.
Categories: severe-weather-and-natural-disasters
Generated scores
Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.
- Confidence
- 9/10
- Geographic reach
- 4/10
- Global importance
- 9/10
- Impact magnitude
- 6/10
- Positivity
- 2/10
- Urgency
- 10/10
Why it matters
Flash floods pose immediate dangers to life, property, and travel. People in and near Flagstaff should heed the warning, avoid flooded roads and low-lying areas, and follow local emergency guidance.

