Alert archive / Utah / Flash Flood Warnings in 2024

Flash Flood Warning 13, NWS Salt Lake City, UT

June 26, 2024Garfield County, Kane County, Utah

NWS Salt Lake City, UT issued this flash flood warning at Jun 26, 2024, 2:25 PM MDT for Garfield County, Kane County, Utah. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 26, 2024, 2:25 PM MDT (20:25 UTC)
Expired
Jun 26, 2024, 5:30 PM MDT
In force
3 hr
Issued by
NWS Salt Lake City, UT
Area
Storm-based polygon
Damage threat
Considerable
Flood severity
None

Counties Garfield County, UT, Kane County, UT

The radar

The Cedar City radar (KICX), 66 km from the middle of the area, began a volume at 20:27 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.

The nearest sounding before it

Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 8.4 hours before the alert went out and 261 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Flgstf/Belemont, AZ at 12:00Z on 2024-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 9 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 12:00Z on 2024-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
9 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
1357 m above ground
0-6 km bulk shear
6 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

369 
WGUS55 KSLC 262025
FFWSLC
UTC017-025-262330-
/O.NEW.KSLC.FF.W.0013.240626T2025Z-240626T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Salt Lake City UT
225 PM MDT Wed Jun 26 2024

The National Weather Service in Salt Lake City has issued a

* Flash Flood Warning for...
  Southern Garfield County in southern Utah...
  North Central Kane County in southern Utah...

* Until 530 PM MDT.

* At 225 PM MDT, Doppler radar indicated thunderstorms producing 
  heavy rain across areas of Bryce Canyon National Park downstream 
  into Tropic, Cannonville, and Kodachrome Basin State Park. Between 
  0.5 and 1.75 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 rivers, creeks,
           normally dry washes, and slot canyons.

* Some locations that will experience flash flooding include...
  Henrieville, Bryce Canyon National Park, Tropic, Cannonville, and 
  Kodachrome Basin State Park.

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 3757 11222 3765 11217 3768 11208 3764 11199
      3751 11194 3738 11208 3754 11218

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

$$

JAC
2 follow-up statements
263 
WGUS75 KSLC 262219
FFSSLC

Flash Flood Statement
National Weather Service Salt Lake City UT
419 PM MDT Wed Jun 26 2024

UTC017-025-262330-
/O.CON.KSLC.FF.W.0013.000000T0000Z-240626T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Garfield UT-Kane UT-
419 PM MDT Wed Jun 26 2024

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM MDT THIS 
AFTERNOON FOR SOUTHERN GARFIELD AND NORTH CENTRAL KANE COUNTIES...

At 419 PM MDT, Doppler radar indicated thunderstorms producing heavy 
rain across areas of Bryce Canyon National Park downstream into 
Tropic, Cannonville, and Kodachrome Basin State Park. Between 1.0 
and 2.50 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 rivers, creeks,
         normally dry washes, and slot canyons.

Some locations that will experience flash flooding include...
  Henrieville, Bryce Canyon National Park, Tropic, Cannonville, and 
  Kodachrome Basin State Park.

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 3757 11222 3765 11217 3768 11208 3764 11199
      3751 11194 3738 11208 3754 11218

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

$$

JAC
854 
WGUS75 KSLC 262339
FFSSLC

Flash Flood Statement
National Weather Service Salt Lake City UT
539 PM MDT Wed Jun 26 2024

UTC017-025-262349-
/O.EXP.KSLC.FF.W.0013.000000T0000Z-240626T2330Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Garfield UT-Kane UT-
539 PM MDT Wed Jun 26 2024

...FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHERN GARFIELD AND NORTH 
CENTRAL KANE COUNTIES...

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

&&

LAT...LON 3757 11222 3765 11217 3768 11208 3764 11199
      3751 11194 3738 11208 3754 11218

$$

JAC

The office that day

Everything else NWS Salt Lake City, UT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 26, 3:29 PM MDTFlash Flood Warning Considerable damage threatSLCGarfield, Kane3 hr
Jun 26, 3:57 PM MDTSpecial Weather StatementSLCJuab33 min
Jun 26, 4:14 PM MDTSevere Thunderstorm WarningSLCMillard46 min
Jun 26, 4:27 PM MDTFlash Flood Warning Considerable damage threatSLCKane, San Juan3 hr
Jun 26, 5:19 PM MDTSpecial Weather StatementSLCUtah26 min
Jun 26, 5:21 PM MDTSpecial Weather StatementSLCJuab39 min
Jun 26, 5:29 PM MDTSpecial Weather StatementSLC46 min
Jun 26, 5:52 PM MDTSpecial Weather StatementSLCBeaver53 min

Nearby

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

Sources

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.