Flash Flood Warning 41, NWS Tucson, AZ

Issued

Aug 24, 2015, 6:00 PM MST (01:00 UTC)

Expired

Aug 24, 2015, 9:00 PM MST

In force

3 hr

Issued by

NWS Tucson, AZ

Area

Storm-based polygon

Flood severity

None

County Santa Cruz County, AZ

The Tucson radar (KEMX), 65 km from the middle of the area, began a volume at 01:01 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.

357 
WGUS55 KTWC 250100
FFWTWC
AZC023-250400-
/O.NEW.KTWC.FF.W.0041.150825T0100Z-150825T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
600 PM MST MON AUG 24 2015

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL SANTA CRUZ COUNTY IN SOUTHEASTERN ARIZONA...

* UNTIL 900 PM MST
    
* AT 558 PM MST...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN OVER NOGALES. THE STORM IS NEARLY STATIONARY. UP TO ONE 
  INCH OF RAIN HAS ALREADY FALLEN WITH ADDITIONAL STORMS FORMING 
  JUST SOUTH OF THE AREA. FLASH FLOODING IS EXPECTED TO BEGIN 
  SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  NOGALES.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
NOGALES WASH...EPHRAIM WASH AND POTRERO CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS
WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.

&&

LAT...LON 3138 11099 3140 11088 3140 11087 3134 11088
      3133 11088 3133 11099

$$

MEYER

342 
WGUS75 KTWC 250201
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
701 PM MST MON AUG 24 2015

AZC023-250400-
/O.CON.KTWC.FF.W.0041.000000T0000Z-150825T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA CRUZ AZ-
701 PM MST MON AUG 24 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 900 PM MST FOR
SOUTH CENTRAL SANTA CRUZ COUNTY...

AT 658 PM MST...RAIN CONTINUED TO WEAKEN OVER NOGALES...HOWEVER 
ADDITIONAL STORMS WERE FORMING JUST SOUTH OF THE BORDER AND SLOWLY 
PUSHING NORTHWARD.  FLASH FLOODING REMAINS A CONCERN INTO THE EARLY 
EVENING HOURS WITH BETWEEN 1/2 AND 1 INCH OF ADDITIONAL RAINFALL 
POSSIBLE.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NOGALES.

THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...
NOGALES WASH...EPHRAIM WASH...AND POTRERO CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

&&

LAT...LON 3138 11099 3140 11088 3140 11087 3134 11088
      3133 11088 3133 11099

$$

MEYER

514 
WGUS75 KTWC 250325
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
825 PM MST MON AUG 24 2015

AZC023-250333-
/O.CAN.KTWC.FF.W.0041.000000T0000Z-150825T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA CRUZ AZ-
825 PM MST MON AUG 24 2015

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL SANTA CRUZ COUNTY IS
CANCELLED...

ONLY LIGHT TO MODERATE RAIN REMAINS OVER NOGALES...AND FLOW IN MOST 
WASHES IS STARTING TO DIMINISH...SO THE FLASH FLOOD WARNING HAS BEEN 
CANCELLED. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES.

LAT...LON 3138 11099 3140 11088 3140 11087 3134 11088
      3133 11088 3133 11099

$$

MEYER

Flash Flood Warnings in Arizona, 2015Every flash flood warning in 2015

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.