Flash Flood Warning 21, NWS Salt Lake City, UT

Issued

Jun 27, 2024, 3:54 PM MDT (21:54 UTC)

Expired

Jun 27, 2024, 9:45 PM MDT

In force

6 hr

Issued by

NWS Salt Lake City, UT

Area

Storm-based polygon

Damage threat

Considerable

Flood severity

None

Counties Emery County, UT, Garfield County, UT, San Juan County, UT, Wayne County, UT

The Grand Junction radar (KGJX), 217 km from the middle of the area, began a volume at 21:58 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.

138 
WGUS55 KSLC 272154
FFWSLC
UTC015-017-037-055-280345-
/O.NEW.KSLC.FF.W.0021.240627T2154Z-240628T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Salt Lake City UT
354 PM MDT Thu Jun 27 2024

The National Weather Service in Salt Lake City has issued a

* Flash Flood Warning for...
  South Central Emery County in central Utah...
  San Juan County in southeastern Utah...
  Northeastern Garfield County in southern Utah...
  Eastern Wayne County in southern Utah...

* Until 945 PM MDT.

* At 354 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 0.5 and 1 inch of rain 
  has fallen in slot canyons in the 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 slot canyons,
           normally dry washes, creeks and streams, urban areas
           and highways.

* Some locations that will experience flash flooding include slot 
  canyon areas adjacent to SR-95 and SR-276 and the Dirty Devil 
  River from Hanksville downstream to the confluence of Lake Powell.

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. Slot 
Canyons, dry washes, streams, and rivers can become raging killer 
currents in a matter of minutes, even from distant rainfall.

&&

LAT...LON 3831 11057 3845 11054 3855 11056 3858 11058
      3861 11035 3852 11009 3836 11008 3809 11015
      3788 11037 3778 11061 3785 11065 3798 11072
      3809 11077 3827 11066

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

$$

ND

115 
WGUS75 KSLC 272335
FFSSLC

Flash Flood Statement
National Weather Service Salt Lake City UT
535 PM MDT Thu Jun 27 2024

UTC015-017-037-055-280345-
/O.CON.KSLC.FF.W.0021.000000T0000Z-240628T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Emery UT-Garfield UT-San Juan UT-Wayne UT-
535 PM MDT Thu Jun 27 2024

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 945 PM MDT THIS 
EVENING FOR SOUTH CENTRAL EMERY, SAN JUAN, NORTHEASTERN GARFIELD AND 
EASTERN WAYNE COUNTIES...

At 535 PM MDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Between 0.5 and 1 inch of rain has 
fallen in slot canyons in the 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 slot canyons,
         normally dry washes, creeks and streams, urban areas and
         highways.

Some locations that will experience flash flooding include slot 
canyon areas adjacent to SR 95 and SR 276 and the Dirty Devil River 
from Hanksville downstream to the confluence of Lake Powell.

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

&&

LAT...LON 3831 11057 3845 11054 3855 11056 3858 11058
      3861 11035 3852 11009 3836 11008 3809 11015
      3788 11037 3778 11061 3785 11065 3798 11072
      3809 11077 3827 11066

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

$$

ND

054 
WGUS75 KSLC 280337
FFSSLC

Flash Flood Statement
National Weather Service Salt Lake City UT
937 PM MDT Thu Jun 27 2024

UTC015-017-037-055-280347-
/O.EXP.KSLC.FF.W.0021.000000T0000Z-240628T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Emery UT-Garfield UT-San Juan UT-Wayne UT-
937 PM MDT Thu Jun 27 2024

...FLASH FLOOD WARNING WILL EXPIRE AT 945 PM MDT THIS EVENING FOR 
SOUTH CENTRAL EMERY, SAN JUAN, NORTHEASTERN GARFIELD AND EASTERN 
WAYNE COUNTIES...

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

&&

LAT...LON 3831 11057 3845 11054 3855 11056 3858 11058
      3861 11035 3852 11009 3836 11008 3809 11015
      3788 11037 3778 11061 3785 11065 3798 11072
      3809 11077 3827 11066

$$

LC

Flash Flood Warnings in Utah, 2024Every flash flood warning in 2024

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.