Flash Flood Warning 107, NWS Salt Lake City, UT

Issued

Aug 18, 2021, 1:05 PM MDT (19:05 UTC)

Expired

Aug 18, 2021, 4:15 PM MDT

In force

3 hr

Issued by

NWS Salt Lake City, UT

Area

Storm-based polygon

Damage threat

Considerable

Flood severity

None

County Wayne County, UT

The Cedar City radar (KICX), 157 km from the middle of the area, began a volume at 19:08 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.

634 
WGUS55 KSLC 181905
FFWSLC
UTC055-182215-
/O.NEW.KSLC.FF.W.0107.210818T1905Z-210818T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Salt Lake City UT
105 PM MDT Wed Aug 18 2021

The National Weather Service in Salt Lake City has issued a

* Flash Flood Warning for...
  Southwestern Wayne County in southern Utah...

* Until 415 PM MDT.

* At 105 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across 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...
  Capitol Reef National Park, Torrey, Teasdale and Fruita.

Drainages impacted Sulphur Creek, Spring Canyon, Cohab Canyon and 
Grand Wash.  This also includes portions of the scenic drive.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

Flooding is occurring or is imminent. It is important to know where 
you are relative to streams, rivers, or creeks which can become 
killers in heavy rains. Campers and hikers should avoid streams or 
creeks.

&&

LAT...LON 3831 11111 3823 11128 3817 11137 3829 11150
      3842 11143

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

$$

CRK

848 
WGUS75 KSLC 182206
FFSSLC

Flash Flood Statement
National Weather Service Salt Lake City UT
406 PM MDT Wed Aug 18 2021

UTC055-182216-
/O.EXP.KSLC.FF.W.0107.000000T0000Z-210818T2215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Wayne UT-
406 PM MDT Wed Aug 18 2021

...FLASH FLOOD WARNING WILL EXPIRE AT 415 PM MDT THIS AFTERNOON FOR 
SOUTHWESTERN WAYNE COUNTY...

The heavy rain has ended. 

A Flash Flood Watch remains in effect until 600 AM MDT Thursday for 
portions of central Utah, northern Utah and southern Utah.

LAT...LON 3831 11111 3823 11128 3817 11137 3829 11150
      3842 11143

$$

CRK

Flash Flood Warnings in Utah, 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.