Flash Flood Warning 90, NWS Tucson, AZ

Issued

Aug 14, 2006, 5:52 PM MST (00:52 UTC)

Expired

Aug 14, 2006, 5:45 PM MST

In force

Issued by

NWS Tucson, AZ

Area

Counties, with a storm outline in the text

County Pinal County, AZ

The Phoenix radar (KIWA), 55 km from the middle of the area, began a volume at 00:55 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 
WGUS55 KTWC 150056
FFWTWC
AZC021-150145-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
552 PM MST MON AUG 14 2006

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL PINAL COUNTY IN SOUTH CENTRAL ARIZONA

* UNTIL 645 PM MST

* AT 545 PM MST...PINAL COUNTY LAW ENFORCEMENT OFFICIALS REPORTED 
  FLASH FLOODING WAS OCCURRING IN CACTUS FOREST...WHICH IS ABOUT
  7 MILES SOUTHEAST OF FLORENCE...EAST OF STATE HIGHWAY 79. DOPPLER 
  RADAR ESTIMATED THAT BETWEEN TWO TO THREE INCHES OF RAIN HAD 
  FALLEN IN THE WARNED AREA SINCE 400 PM

* THE STORM PRODUCING FLASH FLOODING WILL OTHERWISE REMAIN OVER   
  MAINLY RURAL AREAS OF THE PINAL COUNTY.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES
AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

LAT...LON 3288 11144 3277 11131 3301 11101 3309 11116

$$

WEATHER.GOV/TUCSON

NWS Tucson, AZ wrote its last area forecast discussion before this flash flood warning went out at Aug 14, 1:30 PM MST, 4 hours 22 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
130 PM MST MON AUG 14 2006

.SYNOPSIS...A MOIST AND UNSTABLE AIRMASS WILL REMAIN OVER SOUTHEAST
ARIZONA FOR CONTINUED MAINLY AFTERNOON AND EVENING THUNDERSTORM
ACTIVITY THROUGH THE WEEK.

&&

.DISCUSSION...ANOTHER MOIST AND UNSTABLE MORNING SOUNDING. SOLID LOW
LEVEL SHEAR WITH STEERING LEVEL STILL WEAK...BUT INCREASING A LITTLE
FROM THE NORTHEAST. LOCALLY HEAVY RAIN ONCE AGAIN THE CONCERN
TODAY...WITH ISOLATED WET MICROBURST ACTIVITY POSSIBLE. HEAVY
SCATTERED CONVECTION ALREADY IN EARLY AFTERNOON HOURS. LARGER SCALE
EASTERLY IMPULSE LIFTING THROUGH WELL EAST NEAR TEXAS...BUT A WEAKER
IMPULSE NEAR SOUTHERN CHIHUAHUA MAY ROTATE CLOSE ENOUGH TO SUSTAIN
MORE WIDESPREAD OVERNIGHT CONVECTION THAN USUAL TONIGHT.

TROUGH DEVELOPING ALONG WEST COAST WITH INCREASING SOUTHWESTERLY
FLOW ALOFT OUT WEST...BUT FOR SOUTHEAST ARIZONA PROBABLY KEEPING
ENOUGH OF SOUTHERLY AND EASTERLY COMPONENTS TO OUR FLOW AT LOWER TO
MID LEVELS TO KEEP DEEP MOISTURE IN OR AT LEAST VERY CLOSE. EXPECT
PERIODIC ENHANCEMENT OF CONVECTION FROM SMALLER SCALE FEATURES AND A
GENERALLY SEASONAL THUNDERSTORM FORECAST UNTIL FURTHER NOTICE.

&&

.AVIATION...TAFS AND TWEBS ADEQUATELY COVER ALL SIGNIFICANT WEATHER
AT KTUS.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...NONE.

&&

WEATHER.GOV/TUCSON

Flash Flood Warnings in Arizona, 2006Every flash flood warning in 2006

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.