Alert archive / Arizona / Flash Flood Warnings in 2005

Flash Flood Warning 73, NWS Tucson, AZ

August 22, 2005Pima County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 22, 2005, 3:04 PM MST for Pima County, Arizona. It was in force for 116 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 22, 2005, 3:04 PM MST (22:04 UTC)
Expired
Aug 22, 2005, 5:00 PM MST
In force
116 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), 41 km from the middle of the area, began a volume at 21:49 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.

What was reported inside it

TimeReportWhereRemark
Aug 22, 3:15 PM MSTFLASH FLOOD3 N Green Valley, AZSEVERAL STREETS FLOODED IN GREEN VALLEY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 10.1 hours before the alert went out and 37 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-pSkew-T log-p diagram, Tuscon, AZ at 12:00Z on 2005-08-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 47 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 12:00Z on 2005-08-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
47 J/kg
Mixed-layer CIN
-183 J/kg
Mixed-layer LCL
2651 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
42 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
WGUS55 KTWC 222209
FFWTWC
AZC019-230100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
304 PM MST MON AUG 22 2005

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 600 PM MST

* AT 258 PM MST...TRAINED WEATHER SPOTTERS REPORTED UP TO AN INCH OF 
RAIN IN THE PAST 45 MINUTES FROM THUNDERSTORMS OVER THE WARNED AREA. 
THE HEAVIEST RAINFALL HAS OCCURED FROM GREEN VALLEY NORTH TO 
SAHUARITA ALONG INTERSTATE 10 AND ALONG MISSION RD NEAR TWIN BUTTES.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

FLOODING OF SMALL STREAMS...NORMALLY DRY WASHES...AND FLOOD-PRONE 
ROADWAYS IS EXPECTED. DO NOT DRIVE INTO FLOODED AREAS. SLOW DOWN AND 
ALLOW EXTRA STOPPING DISTANCE.

NEVER DRIVE INTO A FLOODED ROADWAY. MOST FLOOD DEATHS ARE ASSOCIATED
WITH VEHICLES.

LAT...LON 3174 11128 3175 11073 3204 11074 3204 11127

$$

WEATHER.GOV/TUCSON
2 follow-up statements
000 
WGUS75 KTWC 222323
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
422 PM MST MON AUG 22 2005

AZC019-230100-
PIMA AZ-
422 PM MST MON AUG 22 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 600 PM MST FOR EAST CENTRAL
PIMA COUNTY...

AT 400 PM MST...TRAINED WEATHER SPOTTERS REPORTED SEVERAL ROADWAYS 
IN THE GREEN VALLEY AREA WITH UP TO A FOOT OF WATER FLOWING OVER 
THEM. WASHES WERE REPORTED TO BE FLOWING HIGH. RAINFALL AMOUNTS 
UPWARDS TO 2.00 INCHES WERE ALSO REPORTED FROM STORMS THAT HAD 
PASSED OVER THE WARNED AREA.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GREEN VALLEY 
AND SAHUARITA.

FLOODING IS OCCURRING. MOST FLOOD RELATED DEATHS OCCUR IN 
AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED ROADWAYS.

LAT...LON 3174 11128 3175 11073 3204 11074 3204 11127

$$

SCHAFFNER

WEATHER.GOV/TUCSON
000 
WGUS75 KTWC 230055
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
555 PM MST MON AUG 22 2005

AZC019-230103-
PIMA AZ-
555 PM MST MON AUG 22 2005

...THE FLASH FLOOD WARNING FOR EAST CENTRAL PIMA COUNTY IS
CANCELLED...

RAINFALL HAS ENDED OVER THE GREATER GREEN VALLEY AREA. AS A 
RESULT...THE FLASH FLOOD WARNING FOR EAST CENTRAL PIMA COUNTY HAS 
BEEN ALLOWED TO EXPIRE. SINCE SOME WASHES AND ROADWAY DIPS MAY STILL 
HAVE WATER IN THEM...MOTORISTS SHOULD CAUTION WHILE DRIVING...NEVER 
DRIVE AROUND BARRICADES OR THROUGH A FLOWING WASH.

LAT...LON 3174 11128 3175 11073 3204 11074 3204 11127

$$

SCHAFFNER

WEATHER.GOV/TUCSON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 22, 2:26 PM MSTSevere Thunderstorm WarningTWCCochise64 min
Aug 22, 2:30 PM MSTSevere Thunderstorm WarningTWCPima60 min
Aug 22, 3:21 PM MSTSevere Thunderstorm WarningTWCCochise39 min
Aug 22, 3:36 PM MSTSevere Thunderstorm WarningTWCPima, Santa Cruz32 min
Aug 22, 4:03 PM MSTSevere Thunderstorm WarningTWCCochise31 min
Aug 22, 4:26 PM MSTSevere Thunderstorm WarningTWCCochise34 min
Aug 22, 4:29 PM MSTFlash Flood WarningTWCCochise, Santa Cruz61 min

Nearby

Flash Flood Warnings in Arizona, 2005Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.