Flash Flood Warning 36, NWS Phoenix, AZ

Issued

Jul 14, 2021, 6:23 PM MST (01:23 UTC)

Expired

Jul 14, 2021, 10:30 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), 130 km from the middle of the area, began a volume at 01:24 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.

417 
WGUS55 KPSR 150123
FFWPSR
AZC013-150530-
/O.NEW.KPSR.FF.W.0036.210715T0123Z-210715T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Phoenix AZ
623 PM MST Wed Jul 14 2021

The National Weather Service in Phoenix has issued a

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

* Until 1030 PM MST.

* At 623 PM MST, Doppler radar indicated thunderstorms producing 
  heavy rain along State Route 85 between Ajo and Gila Bend. Between 
  1 and 2 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...
  mainly rural areas of Maricopa County

This includes the following highways...
	AZ Route 85 between mile markers 11 and 20.

This includes the following streams and drainages...
  Tenmile Wash and Midway Wash.

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.

Remain alert for flooding even in locations not receiving rain. 
Arroyos, streams, and rivers can become raging killer currents in a 
matter of minutes, even from distant rainfall.

&&

LAT...LON 3251 11292 3262 11297 3275 11300 3282 11293
      3282 11283 3281 11277 3271 11269 3260 11261
      3251 11267 3251 11270 3251 11282 3251 11290

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

$$

SDB

237 
WGUS75 KPSR 150246
FFSPSR

Flash Flood Statement
National Weather Service Phoenix AZ
746 PM MST Wed Jul 14 2021

AZC013-150530-
/O.CON.KPSR.FF.W.0036.000000T0000Z-210715T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Maricopa AZ-
746 PM MST Wed Jul 14 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM MST THIS 
EVENING FOR MARICOPA COUNTY...

At 746 PM MST, Doppler radar indicated thunderstorms producing heavy 
rain along State Route 85 between Ajo and Gila Bend. Between 1 and 
2.5 inches of rain have fallen. Additional rainfall amounts of 0.25 
to 0.75 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...
  mainly rural areas of Maricopa County

This includes the following highways...
	AZ Route 85 between mile markers 11 and 20.

This includes the following streams and drainages...
  Tenmile Wash and Midway Wash.

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.

Remain alert for flooding even in locations not receiving rain. 
Arroyos, streams, and rivers can become raging killer currents in a 
matter of minutes, even from distant rainfall.

&&

LAT...LON 3251 11292 3262 11297 3275 11300 3282 11293
      3282 11283 3281 11277 3271 11269 3260 11261
      3251 11267 3251 11270 3251 11282 3251 11290

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

$$

SDB

010 
WGUS75 KPSR 150528
FFSPSR

Flash Flood Statement
National Weather Service Phoenix AZ
1028 PM MST Wed Jul 14 2021

AZC013-150538-
/O.EXP.KPSR.FF.W.0036.000000T0000Z-210715T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Maricopa AZ-
1028 PM MST Wed Jul 14 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 1030 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 3251 11292 3262 11297 3275 11300 3282 11293
      3282 11283 3281 11277 3271 11269 3260 11261
      3251 11267 3251 11270 3251 11282 3251 11290

$$

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.