Alert archive / Arizona / Flash Flood Warnings in 2005

Flash Flood Warning 8, NWS Tucson, AZ

July 23, 2005Pima County, Arizona

NWS Tucson, AZ issued this flash flood warning at Jul 23, 2005, 2:11 PM MST for Pima County, Arizona. It was in force for 64 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: Jul 23, 2005, 2:11 PM MST (21:11 UTC)
Expired: Jul 23, 2005, 3:15 PM MST
In force: 64 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), 36 km from the middle of the area, began a volume at 21:13 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

Time	Report	Where	Remark
Jul 23, 3:00 PM MST	FLASH FLOOD	17 Se Tucson, AZ	STREET FLOODING IN RITA RANCH SUBDIVISION

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, 9.2 hours before the alert went out and 18 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: 1136 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 1115 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 75 m²/s²
0-3 km storm-relative helicity: 156 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 232119
FFWTWC
AZC019-232315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
211 PM MST SAT JUL 23 2005

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN PIMA COUNTY IN SOUTH CENTRAL ARIZONA

* UNTIL 415 PM MST

* AT 210 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  AN AREA OF STRONG THUNDERSTORMS GENERATING EXTREMELY HEAVY RAINFALL
  NEAR VAIL AND NORTHWARD IN AND AROUND THE RINCONS...REDINGTON PASS
  AND CATALINAS. RAINFALL AMOUNTS BETWEEN 1 AND 2 INCHES ARE EXPECTED
  WITH THESE STORMS.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VAIL 
  CATALINA...SABINO CANYON AND REDINGTON PASS.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
STREAMS AND WASHES...SOME UNDERPASSES...AND OTHER LOW LYING AREAS.

LAT...LON 3204 11085 3193 11047 3251 11047 3252 11095

$$

WEATHER.GOV/TUCSON

1 follow-up statement

000 
WGUS75 KTWC 232202
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
251 PM MST SAT JUL 23 2005

AZC019-232315-
PIMA AZ-
251 PM MST SAT JUL 23 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 415 PM MST FOR NORTHEASTERN
PIMA COUNTY...

AT 250 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE AREAS OF MODERATE TO HEAVY RAINFALL FROM THUNDERSTORMS IN 
EASTERN PIMA COUNTY. THE STRONGEST STORMS WERE FROM EASTERN TUCSON 
THROUGH THE RINCON MOUNTAINS. ONE GAGE NEAR CATALINA REPORTED 1.22 
INCHES OVER THE PAST 2 HOURS WITH RADAR RAINFALL ESTIMATES BETWEEN 1 
AND 2 INCHES JUST NORTH OF VAIL...IN THE FOOTHILLS OF THE RINCONS 
AND JUST NORTH OF SABINO CANYON IN THE CATALINAS.

ADDITIONAL RAINFALL AMOUNTS UP TO 1/2 OF AN INCH THROUGH PORTIONS OF 
EASTERN AND NORTHEASTERN PIMA COUNTY WILL CONTRIBUTE TO THE RUNOFF 
INTO THE LATE AFTERNOON HOURS.

EXPECT HEAVY FLOW AND FLOODING OF SOME NORMALLY DRY STREAMBEDS AND 
WASHES...AS WELL AS SOME UNDERPASSES. DO NOT DRIVE INTO FLOODED 
AREAS.

LAT...LON 3204 11085 3193 11047 3251 11047 3252 11095

$$

WEATHER.GOV/TUCSON

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 23, 1:03 PM MST	Severe Thunderstorm Warning	TWC	Cochise	29 min
Jul 23, 2:11 PM MST	Severe Thunderstorm Warning	TWC	Pima	50 min
Jul 23, 3:09 PM MST	Severe Thunderstorm Warning	TWC	Pima	36 min
Jul 23, 3:26 PM MST	Severe Thunderstorm Warning	TWC	Pima	28 min
Jul 23, 3:29 PM MST	Severe Thunderstorm Warning	TWC	Pima	27 min
Jul 23, 3:45 PM MST	Severe Thunderstorm Warning	TWC	Pima	32 min
Jul 23, 4:11 PM MST	Severe Thunderstorm Warning	TWC	Pinal	64 min
Jul 23, 4:59 PM MST	Flash Flood Warning	TWC	Santa Cruz	61 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.