Flash Flood Warning 39, NWS Phoenix, AZ

Issued

Jul 15, 2021, 3:02 PM MST (22:02 UTC)

Expired

Jul 15, 2021, 7:00 PM MST

In force

4 hr

Issued by

NWS Phoenix, AZ

Area

Storm-based polygon

Damage threat

Considerable

Flood severity

None

County Maricopa County, AZ

The Phoenix radar (KIWA), 78 km from the middle of the area, began a volume at 22:03 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

529 
WGUS55 KPSR 152202
FFWPSR
AZC013-160200-
/O.NEW.KPSR.FF.W.0039.210715T2202Z-210716T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Phoenix AZ
302 PM MST Thu Jul 15 2021

The National Weather Service in Phoenix has issued a

* Flash Flood Warning for...
  Maricopa County in south central Arizona...

* Until 700 PM MST.

* At 302 PM MST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 and 1.5 inches of 
  rain have fallen. Additional rainfall amounts of 0.5 to 1.5 inches 
  are possible in the warned area. Flash flooding is ongoing or 
  expected to begin shortly.

  HAZARD...Life threatening flash flooding. Thunderstorms
           producing flash flooding.

  SOURCE...Radar.

  IMPACT...Life threatening flash flooding of creeks and streams,
           urban areas, highways, streets and underpasses.

* Some locations that will experience flash flooding include...
  Glendale, Surprise, Goodyear, El Mirage, Waddell, Sun City West, 
  Litchfield Park, Surprise Stadium, Luke AFB and Beardsley.

This includes the following highways...
	AZ Route 303 between mile markers 107 and 116.
	US Highway 60 between mile markers 136 and 144.

This includes the following streams and drainages...
  Agua Fria River, Trilby Wash and Beardsley Canal.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3370 11247 3372 11236 3361 11232 3350 11233
      3349 11245 3360 11248

FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

SDB

312 
WGUS75 KPSR 152304
FFSPSR

Flash Flood Statement
National Weather Service Phoenix AZ
404 PM MST Thu Jul 15 2021

AZC013-160200-
/O.CON.KPSR.FF.W.0039.000000T0000Z-210716T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Maricopa AZ-
404 PM MST Thu Jul 15 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING 
FOR MARICOPA COUNTY...

At 404 PM MST, social media showed flash flooding occurring in 
Surprise, Waddell, and Fennemore areas. Between 1 and 2 inches of 
rain have fallen in the warned area. Additional rainfall amounts of 
0.5 to 1 inch are possible in the warned area. Flash flooding is 
already occurring.

HAZARD...Life threatening flash flooding. Thunderstorms producing
         flash flooding.

SOURCE...Public reported.

IMPACT...Life threatening flash flooding of creeks and streams,
         urban areas, highways, streets and underpasses.

Some locations that will experience flash flooding include...
  Glendale, Surprise, Goodyear, El Mirage, Waddell, Sun City West, 
  Litchfield Park, Surprise Stadium, Luke AFB and Beardsley.

This includes the following highways...
	AZ Route 303 between mile markers 107 and 116.
	US Highway 60 between mile markers 136 and 144.

This includes the following streams and drainages...
  Agua Fria River, Trilby Wash and Beardsley Canal.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

&&

LAT...LON 3370 11247 3372 11236 3361 11232 3350 11233
      3349 11245 3360 11248

FLASH FLOOD...OBSERVED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE

$$

SDB

884 
WGUS75 KPSR 160156 RRA
FFSPSR

Flash Flood Statement
National Weather Service Phoenix AZ
656 PM MST Thu Jul 15 2021

AZC013-160206-
/O.EXP.KPSR.FF.W.0039.000000T0000Z-210716T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Maricopa AZ-
656 PM MST Thu Jul 15 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 7 PM MST THIS EVENING FOR 
MARICOPA COUNTY...

The heavy rain has ended. Flooding is no longer expected to pose a 
threat. Please continue to heed remaining road closures.

LAT...LON 3370 11247 3372 11236 3361 11232 3350 11233
      3349 11245 3360 11248

$$

SDB

Flash Flood Warnings in Arizona, 2021Every flash flood warning in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.