Flash Flood Warning 36, NWS Flagstaff, AZ

857 
WGUS75 KFGZ 040046
FFSFGZ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
546 PM MST WED AUG 3 2016

AZC005-040230-
/O.CON.KFGZ.FF.W.0036.000000T0000Z-160804T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COCONINO AZ-
546 PM MST WED AUG 3 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM MST FOR
COCONINO COUNTY...

AT 544 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. RADAR IS ESTIMATING ONE INCH OF
RAIN HAS FALLEN IN LESS THAN 30 MINUTES. FLASH FLOODING IS EXPECTED
TO BEGIN SHORTLY.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
DESERT VIEW AT GRAND CANYON.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...COMANCHE
CREEK...CARDENAS CREEK...CHUAR CREEK...LEE CANYON AND UNKAR CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

STAY AWAY OR BE SWEPT AWAY. RIVER BANKS AND CULVERTS CAN BECOME
UNSTABLE AND UNSAFE.

&&

LAT...LON 3614 11178 3600 11177 3599 11189 3616 11195

$$

41

016 
WGUS75 KFGZ 040226
FFSFGZ

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
726 PM MST WED AUG 3 2016

AZC005-040235-
/O.EXP.KFGZ.FF.W.0036.000000T0000Z-160804T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COCONINO AZ-
726 PM MST WED AUG 3 2016

...THE FLASH FLOOD WARNING FOR COCONINO COUNTY WILL EXPIRE AT 730 PM
MST...

THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. LIGHT RAINFALL TO CONTINUE IN THE DESERT VIEW AREA OF GRAND
CANYON NATIONAL PARK THROUGH 815 PM. PLEASE CONTINUE TO HEED ANY
REMAINING ROAD CLOSURES.

LAT...LON 3614 11178 3600 11177 3599 11189 3616 11195

$$
41

Area Forecast Discussion
National Weather Service Flagstaff AZ
430 PM MST WED AUG 03 2016

.SYNOPSIS...Expect frequent and widespread storm activity through
Thursday. Deep moisture will mean that stronger storms will contain
torrential rainfall. A slow drying trend begins Friday, lasting
through the weekend and into next week.

&&

.DISCUSSION...By the end of this afternoon and early evening, most
areas will have convected at least once today. Very large westward
moving outflows and a a large, slow-moving upper low over the state
will keep much of our deep moisture pool intact through tomorrow.

In fact, the mid-levels begin to dry out a little bit on Thursday
and Friday, with some added shear. This may be a recipe for stronger
and more organized storms, capable of producing very high rainfall
totals. We extended the Flash Flood Watch as a result of this, now
extended through 6PM MST on Thursday.

Drier southwest flow becomes persistent by Friday and into the
weekend, perhaps even into the early part of next week. Eventually
the moisture will be scoured out, from west to east, over a period
of days. This will result in steadily decreasing pops and warming
temperatures from Friday through day seven.

&&

.AVIATION...For the 00Z package...SCT SHRA/TSRA will continue
through 02Z with ISOLD MVFR/IFR conditions. Storms will decrease
after 02Z with only ISOLD storms. Frequent storms are expected to
develop again after 16Z Thursday. Aviation discussion not updated
for TAF amendments.

&&

.FGZ WATCHES/WARNINGS/ADVISORIES...Flash Flood Watch through 6PM
MST Thursday for all of Apache, Coconino, Northern Gila, Navajo and
Yavapai Counties.

&&

PUBLIC...Peterson
AVIATION...MAS

For Northern Arizona weather information visit
weather.gov/flagstaff

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1007 AM MST WED AUG 3 2016

AZZ004>018-037>040-040130-
KAIBAB PLATEAU-MARBLE AND GLEN CANYONS-GRAND CANYON COUNTRY-
COCONINO PLATEAU-YAVAPAI COUNTY MOUNTAINS-
NORTHEAST PLATEAUS AND MESAS HWY 264 NORTHWARD-CHINLE VALLEY-
CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-
WESTERN MOGOLLON RIM-EASTERN MOGOLLON RIM-WHITE MOUNTAINS-
NORTHERN GILA COUNTY-YAVAPAI COUNTY VALLEYS AND BASINS-
OAK CREEK AND SYCAMORE CANYONS-BLACK MESA AREA-
NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264-
1007 AM MST WED AUG 3 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...
NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN
ARIZONA.

.DAY ONE...TODAY AND TONIGHT

DEEP MONSOON MOISTURE WILL LEAD TO FREQUENT AND WIDESPREAD
SHOWER AND THUNDERSTORM ACTIVITY TODAY. A FLASH FLOOD WATCH IS
NOW IN EFFECT FOR ALL OF APACHE, COCONINO, NORTHERN GILA, NAVAJO
AND YAVAPAI COUNTIES.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

FREQUENT SHOWER AND THUNDERSTORM ACTIVITY IS FORECAST THROUGH
FRIDAY. EXPECT A DRYING TREND OVER THE COMING WEEKEND.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.