Flash Flood Warning 13, NWS Tucson, AZ

Issued

Jul 11, 2008, 8:39 PM MST (03:39 UTC)

Expired

Jul 11, 2008, 10:30 PM MST

In force

111 min

Issued by

NWS Tucson, AZ

Area

Storm-based polygon

Flood severity

None

County Pima County, AZ

The Phoenix radar (KIWA), 120 km from the middle of the area, began a volume at 03:40 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 120339
FFWTWC
AZC019-120530-
/O.NEW.KTWC.FF.W.0013.080712T0339Z-080712T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
839 PM MST FRI JUL 11 2008

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL PIMA COUNTY IN SOUTH CENTRAL ARIZONA...
  THIS INCLUDES THE CITIES OF COVERED WELLS...SELLS AND SAN ISIDRO. 

* UNTIL 1030 PM MST

* AT 827 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  POSSIBLE FLASH FLOODING FROM A CLUSTER OF THUNDERSTORMS OVER THE   
  WARNED AREA. RADAR WAS INDICATING THAT A CLUSTER OF STORMS WAS     
  PRODUCING HEAVY RAIN BETWEEN SAN SIMON VILLAGE TO SOUTH OF         
  VENTANA...AND JUST WEST OF A LINE FROM COVERED WELLS TO SANTA      
  ROSA. ANOTHER AREA OF HEAVY RAIN WAS OCCURRING ALONG HIGHWAY 86    
  NEAR SAN ISIDRO AND PAN TAK. RADAR WAS ESTIMATING THAT BETWEEN 2   
  TO 3 INCHES OF RAIN PER HOUR WAS OCCURRING WITH THESE STORMS. THE  
  RADAR MAY BE OVERESTIMATING THE RAINFALL AMOUNTS...BUT AMOUNTS 
  NEAR 2 INCHES PER HOUR IS NOT UNLIKELY.    

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 3250 11244 3246 11125 3187 11126 3185 11244

$$

000 
WGUS75 KTWC 120445
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
945 PM MST FRI JUL 11 2008

AZC019-120530-
/O.CON.KTWC.FF.W.0013.000000T0000Z-080712T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIMA AZ-
945 PM MST FRI JUL 11 2008

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM MST FOR
CENTRAL PIMA COUNTY...

AT 935 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LARGE CLUSTER OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN 
MAINLY NORTH OF A LINE FROM HICKIWAN TO COVERED WELLS TO KITT PEAK. 

RADAR RAINFALL ESTIMATES INDICATE BETWEEN 2 TO 3 INCHES OF RAIN 
POSSIBLY OCCURRING BETWEEN SANTA ROSA AND NORTH KOMELIK...AND ALSO 
SOUTHWEST OF VENTANA...AND WEST OF QUEENS WELL. THESE SHOWERS AND 
STORMS WILL MOVE NORTHEAST AT 10 TO 15 MPH.  

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE 
BANKS OF CREEKS AND STREAMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

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 3250 11244 3246 11125 3187 11126 3185 11244

$$

Flash Flood Warnings in Arizona, 2008Every flash flood warning in 2008

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.