Flash Flood Warning 7, NWS Tucson, AZ

Issued

Jul 3, 2021, 12:28 PM MST (19:28 UTC)

Expired

Jul 3, 2021, 3:30 PM MST

In force

3 hr

Issued by

NWS Tucson, AZ

Area

Storm-based polygon

Damage threat

Considerable

Flood severity

None

Counties Cochise County, AZ, Pima County, AZ, Santa Cruz County, AZ

The Tucson radar (KEMX), 46 km from the middle of the area, began a volume at 19:31 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.

260 
WGUS55 KTWC 031928
FFWTWC
AZC003-019-023-032230-
/O.NEW.KTWC.FF.W.0007.210703T1928Z-210703T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Tucson AZ
1228 PM MST Sat Jul 3 2021

The National Weather Service in Tucson has issued a

* Flash Flood Warning for...
  Southwestern Cochise County in southeastern Arizona...
  Southeastern Pima County in southeastern Arizona...
  Northeastern Santa Cruz County in southeastern Arizona...

* Until 330 PM MST.

* At 1228 PM MST, Doppler radar and automated rain gauges indicated 
  thunderstorms producing heavy rain across the warned area. Between 
  1 and 2 inches of rain have fallen. Additional rainfall amounts of 
  1 to 2 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 and automated gauges.

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

* Some locations that will experience flash flooding include...
  Sierra Vista, Hereford, Whetstone, Huachuca City, Elgin, Fort 
  Huachuca, Ramsey Canyon Preserve, Charleston and Coronado National 
  Memorial.

This includes the following Flash Flood Prone Locations...
	Moson Rd from SR 90 and Hereford Rd.

This includes the following streams and drainages...
  Cienega Creek, Turkey Creek, Santa Cruz River, Mud Spring Canyon, 
  Slaughter House Wash, Babocomari River and San Pedro River.

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.

In hilly terrain there are hundreds of low water crossings which are 
potentially dangerous in heavy rain. Do not attempt to cross flooded 
roads. Find an alternate route.

&&

LAT...LON 3174 11059 3175 11045 3175 11043 3164 11018
      3157 11010 3147 11011 3138 11023 3138 11025
      3134 11030 3134 11031 3139 11033 3148 11041
      3158 11046 3159 11046 3158 11051 3152 11060
      3148 11062

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

$$

JM

266 
WGUS75 KTWC 031956
FFSTWC

Flash Flood Statement
National Weather Service Tucson AZ
1256 PM MST Sat Jul 3 2021

AZC003-019-023-032230-
/O.CON.KTWC.FF.W.0007.000000T0000Z-210703T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cochise AZ-Pima AZ-Santa Cruz AZ-
1256 PM MST Sat Jul 3 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM MST THIS 
AFTERNOON FOR SOUTHWESTERN COCHISE, SOUTHEASTERN PIMA AND 
NORTHEASTERN SANTA CRUZ COUNTIES...

At 1256 PM MST, trained weather spotters reported thunderstorms 
producing heavy rain across the warned area. Between 1 and 2 inches 
of rain have fallen. Additional rainfall amounts of 0.3 to 0.6 
inches are possible in the warned area. Flash flooding is already 
occurring on many roads and washes in the warned area.

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

SOURCE...Trained spotters reported.

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

Some locations that will experience flash flooding include...
  Sierra Vista, Hereford, Whetstone, Huachuca City, Elgin, Fort 
  Huachuca, Ramsey Canyon Preserve, Charleston and Coronado National 
  Memorial.

This includes the following Flash Flood Prone Locations...
	Moson Rd from SR 90 and Hereford Rd.

This includes the following streams and drainages...
  Cienega Creek, Turkey Creek, Santa Cruz River, Mud Spring Canyon, 
  Slaughter House Wash, Babocomari River and San Pedro River.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3174 11059 3175 11045 3175 11043 3164 11018
      3157 11010 3147 11011 3138 11023 3138 11025
      3134 11030 3134 11031 3139 11033 3148 11041
      3158 11046 3159 11046 3158 11051 3152 11060
      3148 11062

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

$$

JM

338 
WGUS75 KTWC 032229
FFSTWC

Flash Flood Statement
National Weather Service Tucson AZ
329 PM MST Sat Jul 3 2021

AZC003-019-023-032239-
/O.EXP.KTWC.FF.W.0007.000000T0000Z-210703T2230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cochise AZ-Pima AZ-Santa Cruz AZ-
329 PM MST Sat Jul 3 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 330 PM MST THIS AFTERNOON FOR 
SOUTHWESTERN COCHISE, SOUTHEASTERN PIMA AND NORTHEASTERN SANTA CRUZ 
COUNTIES...

The heavy rain has ended. Flash flooding is no longer expected to 
pose a threat. However minor flows in washes remain likely through 
the evening. Please continue to heed remaining road closures.

LAT...LON 3174 11059 3175 11045 3175 11043 3164 11018
      3157 11010 3147 11011 3138 11023 3138 11025
      3134 11030 3134 11031 3139 11033 3148 11041
      3158 11046 3159 11046 3158 11051 3152 11060
      3148 11062

$$

JM

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.