Alert archive / California / Flash Flood Warnings in 2025

Flash Flood Warning 113, NWS Las Vegas, NV

October 10, 2025Clark County, Nevada; Inyo County, San Bernardino County, California

NWS Las Vegas, NV issued this flash flood warning at Oct 10, 2025, 4:44 PM PDT for Clark County, Nevada; Inyo County, San Bernardino County, California. 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: Oct 10, 2025, 4:44 PM PDT (23:44 UTC)
Expired: Oct 10, 2025, 7:45 PM PDT
In force: 3 hr
Issued by: NWS Las Vegas, NV
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties Inyo County, CA, San Bernardino County, CA, Clark County, NV

The radar

The Las Vegas radar (KESX), 67 km from the middle of the area, began a volume at 23:46 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

Las Vegas, NV (KVEF), launched 12:00Z, 11.7 hours before the alert went out and 65 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 10 J/kg
Mixed-layer CIN: -275 J/kg
Mixed-layer LCL: 1312 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: -3 m²/s²
0-3 km storm-relative helicity: 41 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

218 
WGUS55 KVEF 102344
FFWVEF
CAC027-071-NVC003-110245-
/O.NEW.KVEF.FF.W.0113.251010T2344Z-251011T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Las Vegas NV
444 PM PDT Fri Oct 10 2025

The National Weather Service in Las Vegas has issued a

* Flash Flood Warning for...
  Southeastern Inyo County in south central California...
  San Bernardino County in southern California...
  Southwestern Clark County in southern Nevada...

* Until 745 PM PDT.

* At 444 PM PDT, 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 low-water
           crossings, creeks, normally dry washes and roads.

* Some locations that will experience flash flooding include...
  Sandy Valley and Kingston Road. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3591 11555 3589 11549 3576 11559 3565 11564
      3566 11576 3577 11575 3585 11567

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

$$

AN

2 follow-up statements

496 
WGUS75 KVEF 110048
FFSVEF

Flash Flood Statement
National Weather Service Las Vegas NV
548 PM PDT Fri Oct 10 2025

CAC027-071-NVC003-110245-
/O.CON.KVEF.FF.W.0113.000000T0000Z-251011T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Inyo CA-San Bernardino CA-Clark NV-
548 PM PDT Fri Oct 10 2025

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 745 PM PDT THIS 
EVENING FOR SOUTHEASTERN INYO, SAN BERNARDINO AND SOUTHWESTERN CLARK 
COUNTIES...

At 548 PM PDT, 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 low-water crossings,
         creeks, normally dry washes and roads.

Some locations that will experience flash flooding include...
  Sandy Valley and Kingston Road. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Please report observed flooding to local emergency services or law 
enforcement and request they pass this information to the National 
Weather Service when you can do so safely.

&&

LAT...LON 3591 11555 3589 11549 3576 11559 3565 11564
      3566 11576 3577 11575 3585 11567

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

$$

AN

335 
WGUS75 KVEF 110241
FFSVEF

Flash Flood Statement
National Weather Service Las Vegas NV
741 PM PDT Fri Oct 10 2025

CAC027-071-NVC003-110251-
/O.EXP.KVEF.FF.W.0113.000000T0000Z-251011T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Inyo CA-San Bernardino CA-Clark NV-
741 PM PDT Fri Oct 10 2025

...FLASH FLOOD WARNING WILL EXPIRE AT 745 PM PDT THIS EVENING FOR 
SOUTHEASTERN INYO, SAN BERNARDINO AND SOUTHWESTERN CLARK COUNTIES...

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

A Flood Watch remains in effect until 1100 PM PDT Saturday for a 
portion of southern Nevada.

&&

LAT...LON 3591 11555 3589 11549 3576 11559 3565 11564
      3566 11576 3577 11575 3585 11567

$$

Planz

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 9, 5:16 PM PDT	Areal Flood Warning	VEF	Clark, Nye	3 min
Oct 9, 5:19 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Clark, Nye	3 hr
Oct 9, 8:12 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Clark, Lincoln, Nye	3 hr
Oct 9, 8:32 PM PDT	Areal Flood Advisory	VEF	Lincoln	3 hr
Oct 10, 2:13 PM PDT	Areal Flood Advisory	VEF	Clark	3 hr
Oct 10, 2:35 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Clark	5 hr
Oct 10, 3:17 PM PDT	Severe Thunderstorm Warning	VEF	Clark	43 min
Oct 10, 3:38 PM PDT	Areal Flood Advisory	VEF	Clark	5 hr
Oct 10, 3:56 PM PDT	Severe Thunderstorm Warning	VEF	Clark	49 min
Oct 10, 4:40 PM PDT	Areal Flood Advisory	VEF	Clark	3 hr
Oct 9, 7:09 PM PDT	Flash Flood Warning Considerable damage threat	VEF	Inyo	3 hr
Oct 10, 4:49 PM PDT	Areal Flood Advisory	VEF	San Bernardino	3 hr

Nearby

Flash Flood Warnings in California, 2025 Flash Flood Warnings in Nevada, 2025 Every flash flood warning in 2025

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.