Alert archive / Arizona / Flash Flood Warnings in 2005

Flash Flood Warning 41, NWS Tucson, AZ

August 6, 2005Pima County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 6, 2005, 6:20 PM MST for Pima County, Arizona. It was in force for . 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 6, 2005, 6:20 PM MST (01:20 UTC)
Expired
Aug 6, 2005, 6:15 PM MST
In force
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text

County Pima County, AZ

The radar

The Tucson radar (KEMX), 43 km from the middle of the area, began a volume at 01:20 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 00:00Z, 1.3 hours before the alert went out and 3 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 00:00Z on 2005-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 261 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2005-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
261 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
2910 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
42 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 070121
FFWTWC
AZC019-070215-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
620 PM MST SAT AUG 6 2005

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN PIMA COUNTY IN SOUTH CENTRAL ARIZONA
  THIS INCLUDES THE CITIES OF...TUCSON...ORO VALLEY...GREEN VALLEY

* UNTIL 715 PM MST

* AT 611 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  A LINE OF THUNDERSTORMS WITH HEAVY RAIN MOVING ACROSS THE TUCSON 
  METRO AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SOUTH
  TUCSON...SAGUARO NATIONAL PARK EAST...SABINO CANYON...MOUNT
  LEMMON/SUMMERHAVEN...DAVIS-MONTHAN AIR FORCE BASE...CATALINA STATE
  PARK AND CATALINA FOOTHILLS.

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.

LAT...LON 3249 11109 3176 11108 3176 11061 3249 11068

$$

WEATHER.GOV/TUCSON
2 follow-up statements
000 
WGUS75 KTWC 070135
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
632 PM MST SAT AUG 6 2005

AZC019-070215-
PIMA AZ-
632 PM MST SAT AUG 6 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 715 PM MST FOR EASTERN PIMA
COUNTY...

AT 628 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF THUNDERSTORMS PRODUCING HEAVY RAIN EXTENDING FROM 
JUST SOUTH OF ORO VALLEY...ACROSS CENTRAL AND WESTERN PARTS OF THE 
CITY OF TUCSON AND FURTHER SOUTH NEAR SAHUARITA AND GREEN VALLEY. 
MOVEMENT OF THE STORMS IS TO THE WEST AROUND 10 MPH.

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. DO NOT DRIVE
INTO FLOODED AREAS OR AROUND BARRICADES. IF THE ROAD AHEAD IS
FLOODED...TURN AROUND DONT DROWN.

LAT...LON 3249 11109 3176 11108 3176 11061 3249 11068

$$

WEATHER.GOV/TUCSON
000 
WGUS75 KTWC 070156
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
653 PM MST SAT AUG 6 2005

AZC019-070215-
PIMA AZ-
653 PM MST SAT AUG 6 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 715 PM MST FOR EASTERN PIMA
COUNTY...

AT 645 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF THUNDERSTORMS PRODUCING HEAVY RAIN. THIS LINE OF 
STORMS EXTENDS FROM JUST SOUTH OF ORO VALLEY...ACROSS CENTRAL AND 
WESTERN PARTS OF THE CITY OF TUCSON AND FURTHER SOUTH NEAR SAHUARITA 
AND GREEN VALLEY. MOVEMENT OF THE STORMS IS TO THE WEST AROUND 10 
MPH. DOPPLER RADAR HAS INDICATED RAINFALL RATES OF ONE INCH AN HOUR 
WITH THE HEAVIEST RAIN ALONG AJO WAY JUST WEST OF THE CROSSING.

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. DO NOT DRIVE
INTO FLOODED AREAS OR AROUND BARRICADES. IF THE ROAD AHEAD IS
FLOODED...TURN AROUND DONT DROWN.

LAT...LON 3249 11109 3176 11108 3176 11061 3249 11068

$$

WEATHER.GOV/TUCSON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 6, 7:13 PM MSTFlash Flood WarningTWCPima2 min
Aug 6, 8:17 PM MSTFlash Flood WarningTWCPima58 min
Aug 7, 2:01 PM MSTFlash Flood WarningTWCPima59 min
Aug 7, 3:01 PM MSTSevere Thunderstorm WarningTWCPima29 min
Aug 7, 3:30 PM MSTFlash Flood WarningTWCPima60 min
Aug 7, 3:52 PM MSTFlash Flood WarningTWCPima53 min
Aug 7, 4:28 PM MSTFlash Flood WarningTWCGraham62 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.