Flash Flood Warning 39, NWS Tucson, AZ

Issued

Aug 20, 2012, 5:59 PM MST (00:59 UTC)

Expired

Aug 20, 2012, 8:00 PM MST

In force

2 hr

Issued by

NWS Tucson, AZ

Area

Storm-based polygon

Flood severity

None

County Pima County, AZ

The Tucson radar (KEMX), 101 km from the middle of the area, began a volume at 01:00 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.

700 
WGUS55 KTWC 210059
FFWTWC
AZC019-210300-
/O.NEW.KTWC.FF.W.0039.120821T0059Z-120821T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
559 PM MST MON AUG 20 2012

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

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

* UNTIL 800 PM MST

* AT 546 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  VERY HEAVY RAIN FROM A CLUSTER OF SHOWERS AND THUNDERSTORMS THAT   
  ARE MAINLY EAST OF HIGHWAY 19 BETWEEN SELLS AND SAN MIGUEL. IN     
  ADDITION...HEAVY RAIN IS ALSO OCCURRING WEST OF HIGHWAY 286        
  SOUTHWEST OF THREE POINTS...AS WELL AS NEAR THE JUNCTION OF        
  HIGHWAY 286 AND ARIVACA ROAD. RADAR RAINFALL ESTIMATES INDICATE    
  AMOUNTS IN EXCESS OF 2 INCHES ARE POSSIBLE IN BOTH OF THESE AREAS. 
  SOME OF THE WASHES AFFECTED BY THESE STORMS INCLUDE VAMORI         
  WASH...CHUTUM VAYA WASH AS WELL AS ALTAR WASH JUST TO NAME A       
  FEW.   

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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 3182 11196 3201 11179 3214 11162 3215 11144
      3194 11136 3144 11141 3164 11203

$$

MOLLERE

674 
WGUS75 KTWC 210130
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
630 PM MST MON AUG 20 2012

AZC019-210300-
/O.CON.KTWC.FF.W.0039.000000T0000Z-120821T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIMA AZ-
630 PM MST MON AUG 20 2012

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM MST FOR SOUTH
CENTRAL PIMA COUNTY...

AT 619 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A CLUSTER OF THUNDERSTORMS PRODUCING FLASH FLOODING ALONG 
HIGHWAY 19 BETWEEN SELLS AND SAN MIGUEL IN THE TOHONO O'ODHAM 
NATION. REPORTS FROM OFFICIALS INDICATE A SWIFT WATER RESCUE 
OCCURRED ALONG HIGHWAY 19 AS A MOTORIST ATTEMPTED TO CROSS THE 
ROADWAY. 

OTHER AREAS OF CONCERN ARE BETWEEN SANTA ROSA RANCH AND SAN PEDRO 
WHICH ARE WEST OF THREE POINTS. RADAR IS ESTIMATING RAINFALL AMOUNTS 
IN EXCESS OF 2 INCHES.  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

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 3182 11196 3201 11179 3214 11162 3215 11144
      3194 11136 3144 11141 3164 11203

$$

MOLLERE

654 
WGUS75 KTWC 210257
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
757 PM MST MON AUG 20 2012

AZC019-210308-
/O.EXP.KTWC.FF.W.0039.000000T0000Z-120821T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIMA AZ-
757 PM MST MON AUG 20 2012

...THE FLASH FLOOD WARNING WILL EXPIRE AT 800 PM MST FOR SOUTH
CENTRAL PIMA COUNTY...

LAT...LON 3182 11196 3201 11179 3214 11162 3215 11144
      3194 11136 3144 11141 3164 11203

$$

MOLLERE

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.