Alert archive / Arizona / Flash Flood Warnings in 2005

Flash Flood Warning 71, NWS Tucson, AZ

August 16, 2005Cochise County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 16, 2005, 6:32 PM MST for Cochise County, Arizona. It was in force for 28 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 16, 2005, 6:32 PM MST (01:32 UTC)
Expired
Aug 16, 2005, 7:00 PM MST
In force
28 min
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text

County Cochise County, AZ

The radar

The Tucson radar (KEMX), 68 km from the middle of the area, began a volume at 01:31 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, 1.5 hours before the alert went out and 94 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 2005-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 596 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 2005-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.193958Sfc1 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
596 J/kg
Mixed-layer CIN
-17 J/kg
Mixed-layer LCL
2417 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

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

000 
WGUS55 KTWC 170137
FFWTWC
AZC003-170300-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
632 PM MST TUE AUG 16 2005

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL COCHISE COUNTY IN SOUTHEAST ARIZONA

* UNTIL 800 PM MST

* AT 625 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A STRONG THUNDERSTORM CAPABLE OF PRODUCING FLASH FLOODING 6 MILES 
  SOUTH OF COCHISE...AND 6 MILES WEST OF PEARCE SUNSITES...MOVING 
  NORTHEAST AT 5 MPH. 

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO COCHISE.

WEATHER RADAR ESTIMATED BETWEEN 1.00 AND 1.50 INCHES OF RAIN FELL IN 
AN AREA BOUNDED BY THE DRAGOON MOUNTAINS AND HIGHWAY 191...JUST TO THE 
NORTH OF PEARCE SUNSITES.  

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 3193 10996 3198 10982 3213 10985 3209 11001

$$

WEATHER.GOV/TUCSON
2 follow-up statements
000 
WGUS75 KTWC 170233
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
728 PM MST TUE AUG 16 2005

AZC003-170300-
COCHISE AZ-
728 PM MST TUE AUG 16 2005

...A FLASH FLOOD WARNING CONTINUES UNTIL 800 PM MST FOR CENTRAL
COCHISE COUNTY...

AT 725 PM MST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH 
FLOODING WAS OCCURRING ALONG ROADWAYS BOUNDED BY AN AREA BETWEEN THE 
DRAGOON MOUNTAINS AND HIGHWAY 191...JUST NORTH OF PEARCE SUNSITES TO 
COCHISE. WEATHER SERVICE DOPPLER RADAR INDICATED THAT THIS AREA HAD 
RECEIVED BETWEEN 1.00 AND 2.00 INCHES OF RAINFALL.

ALTHOUGH THE STRONG THUNDERSTORMS HAVE DISSIPATED OVER THE WARNED 
AREA...RAINFALL RUNOFF WILL CONTINUE TO FILL INTO NORMALLY DRY 
WASHES...ROADWAY DIPS AND OTHER LOW LYING AREAS THROUGH 800 PM MST. 

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. 
DO NOT DRIVE AROUND BARRICADES. 

LAT...LON 3193 10996 3198 10982 3213 10985 3209 11001

$$

WEATHER.GOV/TUCSON
000 
WGUS75 KTWC 170258
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
758 PM MST TUE AUG 16 2005

AZC003-170308-
COCHISE AZ-
758 PM MST TUE AUG 16 2005

...THE FLASH FLOOD WARNING FOR CENTRAL COCHISE COUNTY EXPIRES AT 800
PM MST...

THE STRONG THUNDERSTORMS THAT PRODUCED BETWEEN 1.00 AND 2.00 INCHES 
OF RAINFALL OVER AN AREA BOUNDED BY THE DRAGOON MOUNTAINS AND 
HIGHWAY 191...JUST NORTH OF PEARCE SUNSITES TO COCHISE...HAVE 
DISSIPATED AND THE THREAT FOR FLASH FLOODING HAS SUBSIDED. 
THEREFORE...THE FLASH FLOOD WARNING HAS BEEN ALLOWED TO EXPIRE AT 
800 PM MST. 

HOWEVER...SIGNIFICANT PONDING OF WATER ON ROADWAYS...ROADWAY DIPS 
AND OTHER LOW LYING AREAS WILL CONTINUE THROUGH 900 PM.  

MOTORISTS SHOULD NEVER ATTEMPT TO CROSS THROUGH AREAS WHERE RUNNING 
WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW 
THE CAR TO CROSS SAFELY. NEVER ATTEMPT TO DRIVE AROUND BARRICADES.

LAT...LON 3193 10996 3198 10982 3213 10985 3209 11001

$$

WEATHER.GOV/TUCSON

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.