Jul 042010
 

As a result of the Schultz fire, there is an enhanced risk of flash flooding in the burned areas and to the east of these areas. The National Weather Service is seeking additional spotters in the area.

Rainfall Spotters Needed for Schultz Fire Area

Rainfall Spotters Needed for Schultz Fire Area

From the National Weather Service Flagstaff:

Hydrologic Outlook

HYDROLOGIC OUTLOOK
AZZ015-092300-

HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
230 PM MST FRI JUL 2 2010

...SCHULTZ FIRE BURN AREA INCREASES RISK OF FLASH FLOODING...

IN THE AFTERMATH OF THE SCHULTZ FIRE...THE BURNED AREA AND THE AREA
EXTENDING EASTWARD TO HIGHWAY 89 IS MORE SUSCEPTIBLE TO FLASH
FLOODING AND DEBRIS FLOWS. THIS INCLUDES THE HUTCHINSON ACRES AND
TIMBERLINE NEIGHBORHOODS. RISES IN WATER LEVELS DURING SUCH EVENTS
MAY OCCUR MORE RAPIDLY AND MAY BE SIGNIFICANTLY GREATER THAN THOSE
PRODUCED PRIOR TO THE FIRE. THE GREATEST POTENTIAL FOR FLASH FLOODS
AND DEBRIS FLOWS WILL LIKELY BE IN AND NEAR THE MINOR DRAINAGES
EXTENDING EASTWARD FROM THE BURN.

A SHORT PERIOD OF MODERATE RAINFALL ON A BURNED WATERSHED CAN LEAD
TO FLASH FLOODS OR DEBRIS FLOWS. RAINFALL THAT IS NORMALLY ABSORBED
CAN RUN OFF EXTREMELY QUICKLY AFTER SOILS AND VEGETATION HAVE BEEN
CHARRED. CONSEQUENTLY...RUNOFF WILL BE GREATER AND MORE RAPID THAN
PRIOR TO THE FIRE. FLOOD WATERS CAN PICK UP LARGE AMOUNTS OF
ASH...SAND...SILT...ROCKS...AND REMNANTS OF VEGETATION. THE FORCE OF
RUSHING WATER AND DEBRIS CAN DAMAGE OR DESTROY
CULVERTS...BRIDGES...ROADWAYS...AND IN SOME CASES
BUILDINGS...POTENTIALLY CAUSING INJURY OR DEATH.

RESIDENTS IN FLOOD PRONE AREAS BETWEEN THE BURN AREA AND HIGHWAY 89
SHOULD HAVE AN EMERGENCY KIT AND A PLAN TO EVACUATE. IF ROADS ARE
BLOCKED OR IT IS UNSAFE TO EVACUATE /DUE TO FLASH FLOODING...DEBRIS
FLOWS...HEAVY RAIN...OR POOR VISIBILITY/ IT IS BEST TO SHELTER IN
PLACE IN A STURDY STRUCTURE. CALL 911 IF YOU ARE CAUGHT IN A FLASH
FLOOD OR DEBRIS FLOW. IF YOU ARE IN A VEHICLE...DO NOT DRIVE INTO
FLOOD WATERS OR DEBRIS FLOWS.

WHEN THE NATIONAL WEATHER SERVICE ISSUES A FLASH FLOOD WATCH FOR THE
SCHULTZ BURN AREA...IT MEANS THAT FLASH FLOODING IS POSSIBLE IN YOUR
AREA. YOU SHOULD START PLANNING FOR POSSIBLE EVACUATION IF YOUR AREA
IS PRONE TO FLASH FLOODING.

WHEN THE NATIONAL WEATHER SERVICE ISSUES A FLASH FLOOD WARNING FOR
THE SCHULTZ BURN AREA...IT MEANS THAT FLASH FLOODING IS ALREADY
OCCURRING OR WILL OCCUR VERY SOON. DO NOT DELAY TAKING PROTECTIVE
MEASURES EVEN IF RAINFALL IS LIGHT AT YOUR LOCATION. ONCE RAINFALL
BECOMES HEAVY...EVACUATION ROUTES MAY BECOME IMPASSIBLE.

IF YOU HAVE ANY QUESTIONS RELATED TO THE CONTENT OF THIS
PRODUCT...PLEASE CONTACT

GEORGE HOWARD
WARNING COORDINATION METEOROLOGIST
NATIONAL WEATHER SERVICE - FLAGSTAFF
928-556-9161 X223
GEORGE.HOWARD@NOAA.GOV

$$

TC/GFH

VISIT WEATHER.GOV/FLAGSTAFF FOR OFFICIAL WARNINGS AND FORECASTS.

Stu

 Posted by at 6:35 pm

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