The Weather Prediction Center

College Park, MD

Storm Summary Message

Storm Summary Number 7 for Heavy Rainfall Associated with Rosa
NWS Weather Prediction Center College Park MD
200 AM PDT Wed Oct 03 2018

...Remnants of Rosa being absorbed by a large scale upper-level

Flash flood warnings, flood warnings and advisories are in effect
for parts of central and southern Arizona

Flash flood watches remain in effect over central and southern
Arizona, much of Utah, and into parts of eastern Nevada.

For a detailed graphical depiction of the latest watches, warnings
and advisories, please see

At 100 AM PDT...The remnants of Rosa were being absorbed ahead of
a large-scale upper-level trough currently developing off the
California coast.  National Weather Service radars showed that
showers and thunderstorms associated with the remnants of Rosa
continued to become less extensive across the Desert Southwest
into the Great Basin since yesterday afternoon.  Only some showers
and embedded thunderstorms remained over central Arizona that
could be attributed to Rosa's remnants.

...Selected preliminary Storm Total Rainfall in inches from 800 AM
PDT Sun Sep 30 through 100 AM PDT Wed Oct 03...

TOWERS MOUNTAIN                       6.89                    
AJO 0.4 W                             5.42                    
WEST FORK OAK CREEK                   4.37                    
ADOT RIM CAMP                         4.13                    
BERNEIL WASH                          3.63                    
SCOTTSDALE MUNI ARPT                  3.60                    
BLACK MOUNTAIN SHADOWS                3.58                    
MINNEHAHA                             3.50                    
PISINEMO                              3.42                    
CORDES JUNCTION                       3.34                    
TATUM BASIN INFLOW                    3.30                    
PHOENIX/SKY HARBOR INTL ARPT          2.75                    
SASABE                                2.68                    
FLAGSTAFF PULLIAM AIRPORT             2.32                    
GILA BEND (AAF)                       2.16                    
LUKE AFB/PHOENIX                      2.15                    
DEER VALLEY 6 ESE                     2.10                    
YUMA 13.8 ESE                         2.05                    
DURHAM WASH                           1.91                    
RIO RICO 9 NNW                        1.75                    
KEYSTONE PEAK                         1.57                    
TUSCON 10.7 WNW                       1.55                    
RACKENSACK CANYON                     1.09                    

Over the next couple of days, a large scale upper-level trough
moving onshore will become the dominant feature to bring more
showers and thunderstorms across the southwestern U.S. where an
additional inch of rainfall can be expected.  Meanwhile, rainfall
directly associated with Rosa has come to an end.

This will be the last storm summary issued by the Weather
Prediction Center for this event. Please refer to your local
National Weather service office for additional information.


Last Updated: 511 AM EDT WED OCT 03 2018