Flash Flood Warning 89, NWS Tucson, AZ

Issued

Aug 6, 2021, 3:10 PM MST (22:10 UTC)

Expired

Aug 6, 2021, 6:15 PM MST

In force

3 hr

Issued by

NWS Tucson, AZ

Area

Storm-based polygon

Damage threat

Considerable

Flood severity

None

County Santa Cruz County, AZ

The Tucson radar (KEMX), 66 km from the middle of the area, began a volume at 22:10 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.

931 
WGUS55 KTWC 062210
FFWTWC
AZC023-070115-
/O.NEW.KTWC.FF.W.0089.210806T2210Z-210807T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tucson AZ
310 PM MST Fri Aug 6 2021

The National Weather Service in Tucson has issued a

* Flash Flood Warning for...
  South Central Santa Cruz County in southeastern Arizona...

* Until 615 PM MST.

* At 310 PM MST, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. 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...
  Pena Blanca Lake.

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. 
Washes, streams, and rivers can become raging killer currents in a 
matter of minutes, even from distant rainfall.

&&

LAT...LON 3146 11104 3142 11097 3134 11103 3140 11112
      3146 11110

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

$$

GZ

186 
WGUS75 KTWC 062327
FFSTWC

Flash Flood Statement
National Weather Service Tucson AZ
427 PM MST Fri Aug 6 2021

AZC023-070115-
/O.CON.KTWC.FF.W.0089.000000T0000Z-210807T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Santa Cruz AZ-
427 PM MST Fri Aug 6 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM MST THIS 
EVENING FOR SOUTH CENTRAL SANTA CRUZ COUNTY...

At 427 PM MST, Doppler radar indicated that thunderstorms earlier 
had produced very heavy rainfall, with between 2 and 3 inches of 
rain occurring in the warning area.

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...
  Pena Blanca Lake.

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. 
Washes, streams, and rivers can become raging killer currents in a 
matter of minutes, even from distant rainfall.

&&

LAT...LON 3146 11104 3142 11097 3134 11103 3140 11112
      3146 11110

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

$$

GZ

029 
WGUS75 KTWC 070113
FFSTWC

Flash Flood Statement
National Weather Service Tucson AZ
613 PM MST Fri Aug 6 2021

AZC023-070123-
/O.EXP.KTWC.FF.W.0089.000000T0000Z-210807T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Santa Cruz AZ-
613 PM MST Fri Aug 6 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 615 PM MST THIS EVENING FOR 
SOUTH CENTRAL SANTA CRUZ COUNTY...

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

LAT...LON 3146 11104 3142 11097 3134 11103 3140 11112
      3146 11110

$$

GZ

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.