Flash Flood Warning 57, NWS Tucson, AZ

Issued

Sep 9, 2011, 5:40 PM MST (00:40 UTC)

Expired

Sep 9, 2011, 7:00 PM MST

In force

80 min

Issued by

NWS Tucson, AZ

Area

Storm-based polygon

Flood severity

None

County Pima County, AZ

The Tucson radar (KEMX), 36 km from the middle of the area, began a volume at 00:41 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.

753 
WGUS55 KTWC 100040
FFWTWC
AZC019-100200-
/O.NEW.KTWC.FF.W.0057.110910T0040Z-110910T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
540 PM MST FRI SEP 9 2011

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL PIMA COUNTY IN SOUTH CENTRAL ARIZONA...
  THIS INCLUDES THE CITY OF GREEN VALLEY...

* UNTIL 700 PM MST

* AT 535 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SEVERAL STRONG TO SEVERE THUNDERSTORMS PRODUCING VERY HEAVY 
  RAINFALL IN THE GREEN VALLEY AND SAHUARITA AREAS...EXTENDING
  EAST TO CORONA DE TUCSON. THE THUNDERSTORMS WERE MOVING EAST AT
  25 MPH.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SAHUARITA

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

&&

LAT...LON 3201 11129 3209 11120 3213 11047 3180 11047
      3172 11129

$$
ZELL

480 
WGUS75 KTWC 100119
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
619 PM MST FRI SEP 9 2011

AZC019-100200-
/O.CON.KTWC.FF.W.0057.000000T0000Z-110910T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIMA AZ-
619 PM MST FRI SEP 9 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM MST FOR EAST
CENTRAL PIMA COUNTY...

AT 615 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE AN AREA OF THUNDERSTORMS PRODUCING VERY HEAVY RAINFALL. THIS 
AREA OF STORMS EXTENDED FROM SAHUARITA...EAST TO VAIL AND SOUTH TO 
CORONA DE TUCSON. RADAR RAINFALL ESTIMATES FROM THIS AREA SHOW THAT
UP TO TWO INCHES OF RAINFALL HAS FALLEN NORTHWEST OF SAHUARITA AND 
ALSO ALONG SOUTH SANTA RITA ROAD SOUTHEAST OF SAHUARITA. THE STORMS 
CONTINUE TO MOVE EAST AT 25 MPH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 3201 11129 3209 11120 3213 11047 3180 11047
      3172 11129

$$
ZELL

Flash Flood Warnings in Arizona, 2011Every flash flood warning in 2011

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.