Alert archive / California / Flash Flood Warnings in 2021
Flash Flood Warning 76, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 26, 2021, 1:12 PM PDT for Inyo County, California. It was in force for 4 hr. 6 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 26, 2021, 1:12 PM PDT (20:12 UTC)
- Expired
- Jul 26, 2021, 5:15 PM PDT
- In force
- 4 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Flood severity
- None
County Inyo County, CA
The radar
The Edwards AFB radar (KEYX), 172 km from the middle of the area, began a volume at 20:11 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 26, 2:05 PM PDT | FLASH FLOOD | 3 N Furnace Creek, CA | 8 TO 10 INCHES OF MUD AND WATER ACROSS STATE ROUTE 190 AND COW CREEK ROAD. THE ROAD IS REPORTEDLY UNPASSABLE. |
| Jul 26, 2:05 PM PDT | FLASH FLOOD | 3 N Furnace Creek, CA | 8 TO 10 INCHES OF MUD AND WATER ACROSS STATE ROUTE 190 AND COW CREEK ROAD. THE ROAD IS REPORTEDLY UNPASSABLE. AT 1515 THE SAME SOURCE AND LOCATION REPORTED AN EXPOSED WATER MAIN WITH DAMAGE. THIS CEASED WATER FLOW TO NEARBY HOUSING. |
| Jul 26, 2:15 PM PDT | FLASH FLOOD | 3 Ne Death Valley Junct, CA | SHEETS OF WATER OVER THE ROADWAY REPORTED AT STATELINE ROAD WHICH IS ALSO CALLED BELLE VISTA ROAD ABOUT 5 MILES EAST OF DEATH VALLEY JUNCTION. LOCATION HAS BEEN ESTIMATED BASED BASED ON LOCATION OF THE WASH. |
| Jul 26, 2:20 PM PDT | FLASH FLOOD | 10 Nnw Furnace Creek, CA | DEATH VALLEY NPS REPORTED WATER FLOWING OVER THE ROADWAY AT FURNACE CREEK AND BEATTY CUTOFF. WATER IS ABOUT 1 TO 2 FEET DEEP. |
| Jul 26, 2:30 PM PDT | FLASH FLOOD | 5 Se Furnace Creek, CA | DELAYED REPORT - 20 MULE TEAM CANYON ROAD CLOSED DUE TO FLOODING. REPORTED BY DEATH VALLEY NP. |
| Jul 26, 3:00 PM PDT | FLASH FLOOD | 13 N Stovepipe Wells, CA | DELAYED REPORT - TITUS CANYON ROAD CLOSED DUE TO FLOODING. REPORTED BY DEATH VALLEY NP. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Las Vegas, NV (KVEF), launched 12:00Z, 8.2 hours before the alert went out and 139 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.
- Mixed-layer CAPE
- 467 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 1095 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
398
WGUS55 KVEF 262012
FFWVEF
CAC027-270015-
/O.NEW.KVEF.FF.W.0076.210726T2012Z-210727T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Las Vegas NV
112 PM PDT Mon Jul 26 2021
The National Weather Service in Las Vegas has issued a
* Flash Flood Warning for...
Central Inyo County in south central California...
* Until 515 PM PDT.
* At 112 PM PDT, Doppler radar indicated thunderstorms developing
across Death Valley National Park. Between 0.25 and 1 inch of rain
has fallen. Flash flooding is ongoing or expected to begin shortly
and will impact roadways leading to Death Valley Junction...
Furnace Creek...and Stovepipe Wells. Highway 190...127...Scottys
Castle Road...and other roadways in the park bounds will be
impacted.
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...
Stovepipe Wells, Furnace Creek, Texas Springs Campground, Mesquite
Springs Campground, Scottys Castle and Death Valley Junction.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3632 11631 3628 11641 3630 11699 3640 11732
3637 11754 3679 11765 3702 11756 3710 11735
3707 11730
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
CO2 follow-up statements
012
WGUS75 KVEF 262122
FFSVEF
Flash Flood Statement
National Weather Service Las Vegas NV
222 PM PDT Mon Jul 26 2021
CAC027-270015-
/O.CON.KVEF.FF.W.0076.000000T0000Z-210727T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Inyo CA-
222 PM PDT Mon Jul 26 2021
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM PDT THIS
AFTERNOON FOR CENTRAL INYO COUNTY...
At 222 PM PDT, Flash flooding continues across Death Valley National
Park. CHP reports highway 190 is flooded with 8 to 10 inches of mud
and water in the roadway making it unpassable at Cow Creek Road.
Continue to avoid low water crossings and local washes as flood
danger remains very high.
HAZARD...Life-threatening flash flooding. Thunderstorms producing
flash flooding.
SOURCE...Radar.
IMPACT...Life-threatening flash flooding of low-water crossings,
creeks, normally dry washes and roads.
Some locations that will experience flash flooding include...
Stovepipe Wells, Furnace Creek, Texas Springs Campground, Mesquite
Springs Campground, Scottys Castle and Death Valley Junction.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3632 11631 3628 11641 3630 11699 3640 11732
3637 11754 3679 11765 3702 11756 3710 11735
3707 11730
FLASH FLOOD...RADAR INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
$$
CO146
WGUS75 KVEF 270011
FFSVEF
Flash Flood Statement
National Weather Service Las Vegas NV
511 PM PDT Mon Jul 26 2021
CAC027-270021-
/O.EXP.KVEF.FF.W.0076.000000T0000Z-210727T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Inyo CA-
511 PM PDT Mon Jul 26 2021
...FLASH FLOOD WARNING WILL EXPIRE AT 515 PM PDT THIS AFTERNOON FOR
CENTRAL INYO COUNTY...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed remaining road closures.
A Flash Flood Watch remains in effect until 1100 PM PDT for portions
of southeast California and Nevada.
LAT...LON 3632 11631 3628 11641 3630 11699 3640 11732
3637 11754 3679 11765 3702 11756 3710 11735
3707 11730
$$
BKPThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 6:59 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 25, 9:55 PM PDT | Severe Thunderstorm Warning | VEF | Inyo, San Bernardino | 50 min |
| Jul 25, 11:13 PM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 3 hr |
| Jul 26, 7:59 AM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Jul 26, 8:12 AM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 26, 9:26 AM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Jul 26, 10:44 AM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 3 hr |
| Jul 26, 11:36 AM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 3 hr |
| Jul 26, 12:29 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jul 26, 12:51 PM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 3 hr |
Nearby
Flash Flood Warnings in California, 2021Every flash flood warning in 2021
Sources
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.