Flash Flood Warning 24, NWS Flagstaff, AZ

Issued

Aug 26, 1997, 2:55 PM MST (21:55 UTC)

Expired

Aug 26, 1997, 5:50 PM MST

In force

3 hr

Issued by

NWS Flagstaff, AZ

Area

Whole counties

County Coconino County, AZ

The Flagstaff radar (KFSX), 150 km from the middle of the area, began a volume at 21:58 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

000 
TTAA00 KFLG 262156
FFWFLG
AZC005-270050-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
255 PM MST TUE AUG 26 1997

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF AZ HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL 550 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTH CENTRAL ARIZONA

   ...NORTHWESTERN COCONINO COUNTY
 
AT 255 PM MST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS DEVELOPING WITH VERY HEAVY RAIN OVER
NORTHWESTERN COCONINO COUNTY. THE STORMS EXTENDED FROM FRAZIERS
WELL ALONG ROUTE 18 TO SUPAI VILLAGE. THESE STORMS WILL BE CAPABLE
OF PRODUCING RAINFALL AMOUNTS WHICH MAY CAUSE SOME FLOODING OF
COYOTE CANYON AND CATARACT CREEK. THE STORMS ARE MOVING TO THE
NORTHEAST AT AROUND 10 MILES AN HOUR.

MOVE TO HIGHER GROUND IF FLOOD WATERS THREATEN. DO NOT ENTER AREAS
PRONE TO FLASH FLOODING.
 
PEOPLE IN SUPAI SHOULD MONITOR FLOOD CONDITIONS...AND BE
PREPARED TO MOVE TO HIGHER GROUND...SHOULD FLOODWATERS THREATEN.

NWS Flagstaff, AZ wrote its last area forecast discussion before this flash flood warning went out at Aug 26, 2:10 PM MST, 45 minutes earlier.

NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
210 PM MST TUE AUG 26 1997

FIRST PERIOD OF THE FORECAST WILL BE BASED ON WSR-88D TRENDS. FLASH
FLOOD WATCH WILL CONTINUE THROUGH 800 PM AS CONVECTION WORKING ALONG
THE DEEPEST MOISTURE PLUME THROUGH CENTRAL AZ CONTINUES TO TRAIN
THROUGH YAVAPAI...WESTERN GILA AND SOUTHERN COCONINO COUNTIES.
ELSEWHERE IN THE WATCH AREA...DAYTIME HEATING IS TRIGGERING SHOWERS
AND THUNDERSTORMS THIS AFTERNOON. DUE TO LOCAL COMPUTER
DIFFICULTIES... GOT A LATE AND SOMEWHAT INCOMPLETE LOOK AT THE 12Z
MODELS. THE ROUTINE COORDINATION CALL HELPED. A DRIER SOUTHWEST FLOW
ALOFT IS PROGGED TO MOVE INTO MAINLY WESTERN SECTIONS OF THE CWFA
THROUGH THURSDAY...THIS HIT ESPECIALLY HARD BY THE AVN. HOWEVER...LOW
LEVELS TO REMAIN MOIST ENOUGH FOR A CONTINUED THREAT FOR TS. WILL
TRIM POPS BACK THROUGH THE PERIOD IN WESTERN ZONES...MAINLY ISOLATED
TO LOW SCATTERED...WITH SCATTERED POPS OVER MUCH OF THE CENTRAL AND
EASTERN ZONES. AS CONVECTIVE ACTIVITY BECOMES MORE DIURNAL IN NATURE
THROUGH THE PERIOD...EXPECT HIGH TEMPS TO WARM TO THEIR POTENTIAL
EACH DAY...UNLIKE MOST PLACES IN CENTRAL AZ TODAY.

FLG 6534  INW 5433

PASSETTI

FLG...FLASH FLOOD WATCH...THRU 8 PM MST...ZONES 008/012/013/015/016/
                                                018

Flash Flood Warnings in Arizona, 1997Every flash flood warning in 1997

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.