The National Weather Service in Tucson issued a Flood Advisory at 11:27 AM MST on August 13, effective until 1:45 PM MST, for southwestern Pima County in southeastern Arizona. The advisory warns of minor flooding in low lying and poor drainage areas due to excessive rainfall from thunderstorms. Gauge reports at 11:27 AM indicated heavy rain, leading to small stream flooding and rapid river rises, with Vamori Wash identified as the most likely location to experience minor flooding.
KEY FACTS
- The advisory covers southwestern Pima County, Arizona, and is in effect until 1:45 PM MST.
- Minor flooding is expected in low lying and poor drainage areas due to heavy rain from thunderstorms.
- Vamori Wash is the most likely place to experience minor flooding, according to the National Weather Service.
- The advisory includes the community of Santa Cruz among locations that may experience flooding.
- Residents are urged to stay informed and avoid flooded areas, as conditions can change rapidly.
CONTEXT
The Flood Advisory was issued by the National Weather Service (NWS) in Tucson, a trusted primary authority for weather warnings. The advisory is based on gauge reports indicating heavy rain from thunderstorms, which can cause rapid rises in small streams. Vamori Wash, a small stream in the area, is highlighted as the most probable site for minor flooding. The NWS advises that minor flooding in low lying and poor drainage areas can pose risks to motorists and pedestrians. The advisory is set to expire at 1:45 PM MST, but conditions may evolve, and additional advisories could be issued if the situation worsens. The NWS also provides flood safety resources at weather.gov/safety/flood. This event is part of the monsoon season in Arizona, which often brings intense, localized rainfall that can lead to flash flooding, especially in washes and arroyos.
WHY IT MATTERS
This advisory matters because even minor flooding can be dangerous, especially in desert regions where dry washes can quickly turn into fast moving water. Vamori Wash and similar areas may become hazardous for anyone nearby, including hikers, drivers, and residents. Understanding the specific risks and locations helps the public take timely precautions to avoid injury or property damage.
WHAT TO WATCH
- Monitor local weather updates and any additional advisories from the National Weather Service.
- Pay attention to conditions around Vamori Wash and other low lying areas, as water levels may rise quickly.
- Avoid driving or walking through flooded roadways, as water depth can be deceptive.
- Check on neighbors, especially those in flood prone areas, to ensure they are aware of the advisory.