Alert archive / Nevada / Flash Flood Warnings in 2014
Flash Flood Warning 72, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 3, 2014, 9:51 PM PDT for Clark County, Nevada. It was in force for 3 hr. 1 report 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
- Aug 3, 2014, 9:51 PM PDT (04:51 UTC)
- Expired
- Aug 4, 2014, 12:45 AM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Clark County, NV
The radar
The Las Vegas radar (KESX), 51 km from the middle of the area, began a volume at 04:51 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 |
|---|---|---|---|
| Aug 3, 11:00 PM PDT | FLASH FLOOD | 4 Se Las Vegas Bay, NV | NATIONAL PARKS SERIVICE REPORTS DEBRIS OVER LAKESHORE DRIVE FROM FLASH FLOODING LAST NIGHT. TIME ESTIMATED FROM RADAR. |
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 00:00Z, 4.9 hours before the alert went out and 93 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1593 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 2 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
396
WGUS55 KVEF 040451
FFWVEF
NVC003-040745-
/O.NEW.KVEF.FF.W.0072.140804T0451Z-140804T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
951 PM PDT SUN AUG 3 2014
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL CLARK COUNTY IN SOUTHERN NEVADA...
* UNTIL 1245 AM PDT/1245 AM MST/
* AT 940 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM 11
MILES SOUTHEAST OF ECHO BAY TO 8 MILES SOUTH OF RAILROAD PASS...OR
ALONG A LINE EXTENDING FROM 24 MILES SOUTHEAST OF OVERTON TO 10
MILES SOUTHWEST OF BOULDER CITY. THE STORMS PRODUCING FLASH
FLOODING WERE NEARLY STATIONARY.
* LOCATIONS IMPACTED INCLUDE...HENDERSON...BOULDER CITY...LAKE
MEAD...VALLEY OF FIRE...OVERTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED ON ROADS...IN NORMALLY DRY WASHES AND LOW
LYING AREAS. NEVER TRY TO CROSS A FLOODED ROAD OR ENTER A FLOOD
CHANNEL. TURN AROUND...DONT DROWN!
REPORT FLOODING TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA
FACEBOOK OR TWITTER.
REPORT FLOODING TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA
FACEBOOK OR TWITTER.
&&
LAT...LON 3602 11424 3615 11441 3613 11444 3613 11450
3615 11451 3613 11462 3615 11463 3610 11474
3594 11474 3587 11466 3585 11471 3572 11470
3589 11505 3621 11505 3667 11433 3618 11408
$$
JH2 follow-up statements
693
WGUS75 KVEF 040535
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1035 PM PDT SUN AUG 3 2014
NVC003-040745-
/O.CON.KVEF.FF.W.0072.000000T0000Z-140804T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK NV-
1035 PM PDT SUN AUG 3 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1245 AM PDT/1245 AM
MST/ FOR CENTRAL CLARK COUNTY...
AT 1028 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING OVER THE WARNED
AREA. THE HEAVIEST RAIN WAS FROM FRENCHMAN MOUNTAIN TO OVERTON BEACH
MOVING NORTHWEST. ANOTHER AREA OF HEAVY RAIN WAS MOVING INTO THE
AREA FROM THE SOUTH.
LOCATIONS IMPACTED INCLUDE...
BOULDER CITY...LAS VEGAS BAY...HENDERSON...LAKE LAS VEGAS...SAM BOYD
STADIUM...OVERTON...ECHO BAY CAMPGROUND...BOULDER BEACH CAMPGROUND...
BOULDER BEACH...CALLVILLE BAY...CALLVILLE BAY CAMPGROUND...RAILROAD
PASS...OVERTON BEACH...VALLEY OF FIRE STATE PARK...VALLEY OF FIRE...
LAS VEGAS BAY CAMPGROUND AND EAST LAS VEGAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED ON ROADS...IN NORMALLY DRY WASHES AND LOW
LYING AREAS. NEVER TRY TO CROSS A FLOODED ROAD OR ENTER A FLOOD
CHANNEL. TURN AROUND...DONT DROWN!
REPORT FLOODING TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA
FACEBOOK OR TWITTER.
REPORT FLOODING TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA
FACEBOOK OR TWITTER.
&&
LAT...LON 3602 11424 3615 11441 3613 11444 3613 11450
3615 11451 3613 11462 3615 11463 3610 11474
3594 11474 3587 11466 3585 11471 3572 11470
3589 11505 3621 11505 3667 11433 3618 11408
$$
JH936
WGUS75 KVEF 040737
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1237 AM PDT MON AUG 4 2014
NVC003-040746-
/O.EXP.KVEF.FF.W.0072.000000T0000Z-140804T0745Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK NV-
1237 AM PDT MON AUG 4 2014
...THE FLASH FLOOD WARNING WILL EXPIRE AT 1245 AM PDT/1245 AM MST/
FOR CENTRAL CLARK COUNTY...
RAINFALL HAS ENDED OR DECREASED SIGNIFICANTLY OVER THE PAST HOUR AND
THERE IS NO LONGER AN IMMEDIATE THREAT OF FLASH FLOODING.
LAT...LON 3602 11424 3615 11441 3613 11444 3613 11450
3615 11451 3613 11462 3615 11463 3610 11474
3594 11474 3587 11466 3585 11471 3572 11470
3589 11505 3621 11505 3667 11433 3618 11408
$$
JHThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 5:32 PM PDT | Areal Flood Advisory | VEF | Clark | 3 hr |
| Aug 3, 6:08 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 3, 7:24 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 3, 8:02 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 3, 9:05 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 3, 11:06 PM PDT | Areal Flood Advisory | VEF | Clark | 3 hr |
| Aug 3, 11:17 PM PDT | Areal Flood Advisory | VEF | Clark | 3 hr |
| Aug 3, 11:31 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 3, 11:35 PM PDT | Flash Flood Warning | VEF | Clark, Lincoln | 3 hr |
| Aug 3, 11:45 PM PDT | Areal Flood Advisory | VEF | Nye | 3 hr |
| Aug 3, 11:58 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 4, 2:44 AM PDT | Areal Flood Advisory | VEF | Nye | 2 hr |
| Aug 4, 3:25 AM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 4, 4:58 AM PDT | Areal Flood Advisory | VEF | Clark | 3 hr |
| Aug 4, 12:06 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 4, 1:13 PM PDT | Areal Flood Advisory | VEF | Nye | 3 hr |
| Aug 4, 1:21 PM PDT | Areal Flood Advisory | VEF | Clark | 114 min |
| Aug 4, 1:47 PM PDT | Flash Flood Warning | VEF | Clark | 118 min |
| Aug 4, 2:16 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 4, 2:21 PM PDT | Flash Flood Warning | VEF | Nye | 114 min |
| Aug 4, 2:21 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 4, 2:28 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 4, 2:57 PM PDT | Areal Flood Advisory | VEF | Clark, Lincoln | 5 hr |
| Aug 4, 3:45 PM PDT | Flash Flood Warning | VEF | Esmeralda, Nye | 3 hr |
| Aug 4, 3:56 PM PDT | Flash Flood Warning | VEF | Lincoln | 3 hr |
| Aug 4, 4:16 PM PDT | Areal Flood Advisory | VEF | Clark, Nye | 3 hr |
Nearby
Flash Flood Warnings in Nevada, 2014Every flash flood warning in 2014
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.