Alert archive / Arizona / Flash Flood Warnings in 2005

Flash Flood Warning 52, NWS Tucson, AZ

August 9, 2005Pima County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 9, 2005, 12:04 PM MST for Pima County, Arizona. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 9, 2005, 12:04 PM MST (19:04 UTC)
Expired: Aug 9, 2005, 1:00 PM MST
In force: 56 min
Issued by: NWS Tucson, AZ
Area: Counties, with a storm outline in the text

County Pima County, AZ

The radar

The Tucson radar (KEMX), 66 km from the middle of the area, began a volume at 19:03 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.

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 7.1 hours before the alert went out and 26 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 876 J/kg
Mixed-layer CIN: -42 J/kg
Mixed-layer LCL: 1039 m above ground
0-6 km bulk shear: 3 kt
0-1 km storm-relative helicity: -6 m²/s²
0-3 km storm-relative helicity: 12 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS55 KTWC 091905
FFWTWC
AZC019-092100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
1204 PM MST TUE AUG 9 2005

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN PIMA COUNTY IN SOUTH CENTRAL ARIZONA
  THIS INCLUDES THE CITIES OF...ORO VALLEY...MARANA

* UNTIL 200 PM MST

* AT 1200 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR            
  INDICATED FLASH FLOODING FROM A CLUSTER OF THUNDERSTORMS OVER THE  
  WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DOVE
  MOUNTAIN AND CATALINA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS...STREAMS AND COUNTRY ROADS.

1.60 INCHES REPORTED BY AUTOMATED GAGE AT MOORE ROAD AND LA CHOLLA 
BLVD WITHIN ONE HOUR. ADDITIONAL AMOUNTS UP TO 2 INCHES ARE POSSIBLE.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 3228 11128 3228 11070 3251 11069 3250 11128

$$

SCHAFFNER

WEATHER.GOV/TUCSON

3 follow-up statements

000 
WGUS75 KTWC 091937
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
1233 PM MST TUE AUG 9 2005

AZC019-092100-
PIMA AZ-
1233 PM MST TUE AUG 9 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 200 PM MST FOR NORTHEASTERN
PIMA COUNTY...

AT 1224 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE WARNED
AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ORO 
VALLEY...MARANA AND THE TUCSON METRO AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS...STREAMS AND COUNTRY ROADS.

1 TO 2 INCHES OF RAINFALL HAS FALLEN OVER MUCH OF THE NORTHERN 
TUCSON METRO AREA. ADDITIONAL AMOUNTS UP TO 2 INCHES ARE POSSIBLE.

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. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

LAT...LON 3216 11128 3216 11067 3251 11069 3250 11128

$$

WEATHER.GOV/TUCSON

000 
WGUS75 KTWC 092007
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
1258 PM MST TUE AUG 9 2005

AZC019-092100-
PIMA AZ-
1258 PM MST TUE AUG 9 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 200 PM MST FOR NORTHEASTERN
PIMA COUNTY...

AT 1254 PM MST...A THUNDERSTORM PRODUCING FLASH FLOODING WAS REPORTED
OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ORO 
VALLEY...MARANA...TUCSON METRO AREA...ALDER CANYON...SILVERBELL AND 
QUEENS WELL.

SIGNIFICANT FLOODING WILL BE POSSIBLE OVER MUCH OF THE NORTHERN 
TUCSON METRO AREA...ESPECIALLY NEAR SABINO CANYON AND VENTANA CANYON.
WASHES WILL HAVE SEVERAL FEET OF FLOWING WATER. NUMEROUS REPORTS OF 
FLOODED CITY STREETS HAVE BEEN RECEIVED OVER CENTRAL AND NORTHERN 
TUCSON.

1 TO 2 INCHES OF RAINFALL HAS FALLEN OVER MUCH OF THE NORTHERN 
TUCSON METRO AREA. ADDITIONAL AMOUNTS UP TO 2 INCHES ARE POSSIBLE.

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 3211 11201 3218 11050 3250 11052 3247 11200

$$

WEATHER.GOV/TUCSON

000 
WGUS75 KTWC 092040
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
124 PM MST TUE AUG 9 2005

AZC019-092100-
PIMA AZ-
124 PM MST TUE AUG 9 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 200 PM MST FOR NORTHEASTERN
PIMA COUNTY...

AT 124 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER THE NORTHERN 
PORTIONS OF THE TUCSON METRO AREA...ORO VALLEY AND PORTIONS OF NORTH 
CENTRAL PIMA COUNTY. STORMS WERE MOVING NORTHWEST AT 5 MPH.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ORO 
VALLEY...MARANA...THE NORTHERN HALF OF THE TUCSON METRO 
AREA...SILVERBELL AND PICTURE ROCKS. LOCATIONS ON THE CATALINA 
MOUNTAINS INCLUDE SABINO...VENTANA AND BEAR CANYONS. 

DOPPLER RADAR INDICATED A BROAD AREA OF RAINFALL AROUND ONE INCH 
WITH POCKETS OF UP TO 1.50 INCHES ACROSS THE NORTHERN PORTIONS OF 
THE CITY OF TUCSON...THE CATALINA MOUNTAINS...ORO VALLEY...THEN 
AREAS NEAR PICTURE ROCKS AND SILVERBELL. 

AUTOMATED RAIN GAGES REPORTED:

1.85 INCHES AT LA CHOLLA AND MOORE ROAD IN ORO VALLEY.
1.18 INCHES AT SABINO CREEK AND 0.91 INCHES ALONG CATALINA HIGHWAY 
ON THE CATALINA MOUNTAINS.
0.83 INCHES AT RILLITO AND DODGE BOUVELARD.
0.87 INCHES AT BEVERLY AVE AND HAWTHORNE.
0.76 INCHES AT THE NWS OFFICE ON THE UNIVERSITY OF ARIZONA CAMPUS.

SIGNIFICANT FLOODING IS LIKELY OVER MUCH OF THE NORTHERN TUCSON 
METRO AREA...ESPECIALLY NEAR SABINO CANYON AND VENTANA CANYON. 
WASHES WILL HAVE SEVERAL FEET OF FLOWING WATER. NUMEROUS REPORTS OF 
FLOODED CITY STREETS HAVE BEEN RECEIVED OVER CENTRAL AND NORTHERN 
TUCSON.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS THROUGH NORMALLY DRY 
WASHES...ROADWAY DIPS AND OTHER LOW LYING AREAS FILLED WITH RUNNING 
WATER OF UNKNOWN DEPTH. DO NOT DRIVE AROUND BARRICADES. NEVER TRY TO 
CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. .

LAT...LON 3211 11201 3218 11050 3250 11052 3247 11200

$$

WEATHER.GOV/TUCSON

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 8, 7:38 PM MST	Flash Flood Warning	TWC	Graham	37 min
Aug 8, 9:16 PM MST	Flash Flood Warning	TWC	Cochise
Aug 9, 1:55 PM MST	Flash Flood Warning	TWC	Pima	2 hr
Aug 9, 4:08 PM MST	Flash Flood Warning	TWC	Pima, Santa Cruz	37 min

Nearby

Flash Flood Warnings in Arizona, 2005 Every flash flood warning in 2005

Sources

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.