Flash Flood Warning 70, NWS Tucson, AZ

Issued

Sep 7, 2012, 1:08 PM MST (20:08 UTC)

Expired

Sep 7, 2012, 3:00 PM MST

In force

112 min

Issued by

NWS Tucson, AZ

Area

Storm-based polygon

Flood severity

None

County Cochise County, AZ

The Tucson radar (KEMX), 134 km from the middle of the area, began a volume at 20:08 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.

592 
WGUS55 KTWC 072008
FFWTWC
AZC003-072200-
/O.NEW.KTWC.FF.W.0070.120907T2008Z-120907T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
108 PM MST FRI SEP 7 2012

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

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

* UNTIL 300 PM MST

* AT 1258 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM A THUNDERSTORM OVER THE HORSESHOE 2 BURN SCAR
  AREA. OVER ONE INCH OR RAIN WAS INDICATED BY RADAR NEAR THE
  HEADWATERS OF CAVE CREEK AND ALSO ALONG ITS SOUTH FORK.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A SHORT PERIOD OF MODERATE RAINFALL ON A BURNED WATERSHED CAN LEAD TO
FLASH FLOODS. SEEK HIGHER GROUND IMMEDIATELY...BUT IF IT IS UNSAFE TO
EVACUATE DUE TO FLASH FLOODING...HEAVY RAIN...OR POOR VISIBILITY THE
BEST ACTION MAY BE TO SHELTER IN PLACE IN A STURDY STRUCTURE. THE
FORCE OF RUSHING WATER AND DEBRIS CAN DAMAGE OR DESTROY CULVERTS...
BRIDGES...ROADWAYS...AND BUILDINGS. REMEMBER NEVER TO DRIVE THROUGH
RAPIDLY FLOWING WATER...YOU MAY BE SWEPT AWAY.

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.

&&

LAT...LON 3204 10930 3205 10905 3172 10905 3172 10933

$$

KD

643 
WGUS75 KTWC 072104
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
204 PM MST FRI SEP 7 2012

AZC003-072200-
/O.CON.KTWC.FF.W.0070.000000T0000Z-120907T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COCHISE AZ-
204 PM MST FRI SEP 7 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 PM MST/400 PM
MDT/ FOR EAST CENTRAL COCHISE COUNTY...

AT 150 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THE 
STRONGEST PORTIONS OF THE THUNDERSTORMS HAVE MOVE EAST INTO NEW 
MEXICO.  THE HIGHEST PRECIPITATION AMOUNTS...OF OVER AN INCH PER 
HOUR...HAVE FALLEN ON THE EASTERN SLOPES OF THE CHIRICAHUA 
MOUNTAINS...SOUTH OF PORTAL AND WEST OF RODEO N.M.  THIS RAIN FALL 
WILL TAKE ANOTHER HOUR TO FULLY DRAIN OUT OF THE MOUNTAINS...HENCE 
THIS FLASH FLOOD WARNING REMAINS IN EFFECT.

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO THE AREA 
AROUND AND SOUTH OF PORTAL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3204 10930 3205 10905 3172 10905 3172 10933

$$

438 
WGUS75 KTWC 072154
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
254 PM MST FRI SEP 7 2012

AZC003-072201-
/O.EXP.KTWC.FF.W.0070.000000T0000Z-120907T2200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COCHISE AZ-
254 PM MST FRI SEP 7 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 300 PM MST FOR
EAST CENTRAL COCHISE COUNTY...

RADAR INDICATED THAT THE HEAVIEST RAIN HAD ENDED IN THE WARNED
AREA. RADAR RAINFALL ESTIMATES TOTALED 1 TO 2 INCHES UPSTREAM
FROM PORTAL. SOME RUNOFF INTO CAVE CREEK WILL CONTINUE BUT
THE PEAK FLOW SHOULD HAVE ALREADY OCCURRED.

A FLASH FLOOD WATCH CONTINUES ACROSS MUCH OF SOUTHERN ARIZONA
UNTIL 10 PM.

TO REPORT FLASH FLOODING CONTACT LOCAL LAW ENFORCEMENT AND ASK
THEM RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE.

LAT...LON 3204 10930 3205 10905 3172 10905 3172 10933

$$

KD

Flash Flood Warnings in Arizona, 2012Every flash flood warning in 2012

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.