Flash Flood Warning 13, NWS Phoenix, AZ

AZZALL-200100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX ARIZONA
300 PM MST THU SEP 19 1991

...THUNDERSTORMS WITH HEAVY RAIN, SMALL HAIL, GUSTY WINDS AND NUMEROUS
LIGHTNING STRIKES DEVELOPING NORTH AND CENTRAL ARIZONA THIS AFTERNOON...

NATIONAL WEATHER SERVICE RADAR AND SATELLITE PICTURES SHOWED SCATTERED
THUNDERSTORMS DEVELOPING IN NORTHERN ARIZONA THIS AFTERNOON. SOME OF
THE THUNDERSTORMS WERE PRODUCING HEAVY RAIN, SMALL HAIL, GUSTY WINDS,
AND NUMEROUS LIGHTNING STRIKES.

AN AUTOMATIC RAIN GUAGE AT COYOTE PARK, 20 MILES SOUTH OF FLAGSTAFF
REPORTED OVER AN INCH OF RAIN (1.14 INCHES) BETWEEN 122 PM MST AND 229
PM. A WEATHER OBSERVER IN THE SEDONA AREA REPORTED 38 HUNDREDTHS OF AN
INCH OF RAIN BETWEEN 200 PM AND 225 PM WITH SMALL HAIL, GUSTY WINDS,
AND FREQUENT LIGHTNING.

THE AIRMASS OVER NORTHERN AND CENTRAL ARIZONA CONTINUES TO BECOME MORE
HUMID AND UNSTABLE. THUS CONDITIONS ARE FAVORABLE FOR CONTINUING
DEVELOPMENT OF SHOWERS AND THUNDERSTORMS OVER NORTHERN AND CENTRAL
ARIZONA THE REMAINDER OF THIS AFTERNOON AND THIS EVENING.

SOME THUNDERSTORMS ARE EXPECTED TO BE ACCOMPANIED BY HEAVY RAIN,
STRONG GUSTY WINDS, SMALL HAIL, AND NUMEROUS CLOUD TO GROUND LIGHTNING
STRIKES.

IF YOU ARE OUTDOORS ANYWHERE IN ARIZONA THE REMAINDER OF THIS AFTERNOON
AND TONIGHT, DRIVING, HIKING, OR BOATING...YOU ARE URGED TO PAY CLOSE
ATTENTION TO THE SKY AND BE ON THE LOOKOUT FOR THREATENING WEATHER. THE
MOST LIKELY DIRECTION FOR THUNDERSTORMS TO MOVE INTO YOUR AREA IS FROM
THE EAST OR SOUTHEAST. HOWEVER, STRONG GUSTY WINDS FROM THUNDERSTORMS IN
ANY DIRECTION COULD MOVE INTO YOUR AREA, AND THUNDERSTORMS COULD DEVELOP
OVERHEAD.

BE ALERT FOR FLOODING OF NORMALLY DRY WASHES AND ROADWAY DIPS EVEN IF NO
RAIN IS OCCURRING IN YOUR IMMEDIATE VICINITY. DO NOT ATTEMPT TO CROSS A
LOW SPOT IN A ROAD FILLED WITH WATER WITHOUT KNOWING WHETHER OR NOT IT
IS SAFE TO DO SO.

LISTEN TO YOUR TV, RADIO, OR WEATHER RADIO ON THE PUBLIC SERVICE BAND
FOR THE LATEST FORECASTS, STATEMENTS AND POSSIBLE WARNINGS FROM THE
NATIONAL WEATHER SERVICE.

CRAIG ELLIS