UA researchers say El Niño is getting stronger, point to climate change as factor

...FLOOD ADVISORY IN EFFECT UNTIL 930 AM MST SUNDAY...

* WHAT...Small stream flooding caused by excessive rainfall is
expected.

* WHERE...Central Pima County in southeastern Arizona...

* WHEN...Until 930 AM MST Sunday.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Rises in small streams and normally dry washes. Overflowing poor
drainage areas. Some low-water crossings may become impassable.

* ADDITIONAL DETAILS...
- At 934 PM MST, gauge reports indicated heavy rain due to
thunderstorms fell in the middle and upper reaches of the Vamori
Wash this evening. This will cause small stream flooding. Rises
in the Vamori Wash could be sudden, but the flood wave will
slowly travel downstream.
- This includes the following streams and drainages...
San Simon Wash, Hali Murk Wash, Chukut Kuk Wash, San Luis Wash
and Vamori Wash.
- Some locations that will experience flooding include...
Santa Cruz and Kupk.
- http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Remain alert for flooding even in locations not receiving rain.
Washes, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.

&&

...FLOOD WATCH REMAINS IN EFFECT THROUGH LATE SUNDAY NIGHT...

* WHAT...Flash flooding caused by excessive rainfall continues to be
possible.

* WHERE...Tucson Metro Area, Southeast Pinal County, Tohono O'odham
Nation, Upper San Pedro River Valley Upper Santa Cruz River
Valley/Altar Valley, Baboquivari Mountains, Catalina and Rincon
Mountains, Dragoon and Mule and Huachuca and Santa Rita Mountains.

* WHEN...Through late Sunday night.

* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
Low-water crossings may be flooded. Flooding may occur in poor
drainage and urban areas.

* ADDITIONAL DETAILS...
- An increase in moisture will bring scattered thunderstorms
Saturday and Sunday. Rainfall rates in excess of 1 inch per hour
are expected with the stronger storms with isolated areas having
the potential of 1-3 inches. Additional rainfall from the
previous day and overnight activity will result in faster
responses in normally dry washes, creeks and roadway dips.

- Http://www.weather.gov/safety/flood

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&