Alert archive / Arizona / Flash Flood Warnings in 2005

Flash Flood Warning 3, NWS Tucson, AZ

May 28, 2005Graham County, Arizona

NWS Tucson, AZ issued this flash flood warning at May 28, 2005, 4:23 PM MST for Graham County, Arizona. It was in force for 7 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: May 28, 2005, 4:23 PM MST (23:23 UTC)
Expired: May 28, 2005, 4:30 PM MST
In force: 7 min
Issued by: NWS Tucson, AZ
Area: Counties, with a storm outline in the text

County Graham County, AZ

The radar

The Tucson radar (KEMX), 118 km from the middle of the area, began a volume at 23:24 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, 11.4 hours before the alert went out and 118 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1748 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -30 m²/s²
0-3 km storm-relative helicity: 14 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 282327
FFWTWC
AZC009-290030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
423 PM MST SAT MAY 28 2005

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL GRAHAM COUNTY IN ARIZONA

* UNTIL 530 PM MST

* AT 415 PM MST...A STREAM GAGE INDICATED THAT FLASH FLOODING FROM A 
  THUNDERSTORM THAT PRODUCED AROUND ONE INCH OF RAIN IN LESS THAN 20 
  MINUTES FELL IN JACOBSON CANYON IN THE PINALENO MOUNTAINS.

* THE STORM PRODUCING FLASH FLOODING HAS MOVED SOUTH OF THE AREA     
  HOWEVER FLASH FLOODING IN STREAM AND WASHES NEAR HIGHWAY 366 WILL 
  CONTINUE.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

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 3275 10978 3265 10993 3257 10979 3269 10970

$$

WEATHER.GOV/TUCSON

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 6:37 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	43 min
May 27, 7:33 PM MST	Severe Thunderstorm Warning	TWC	Pinal	49 min
May 28, 4:37 PM MST	Severe Thunderstorm Warning	TWC	Pima	53 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.