Alert archive / Nevada / Flash Flood Warnings in 2016
Flash Flood Warning 73, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 4, 2016, 12:26 AM PDT for Clark County, Nevada. 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
- Aug 4, 2016, 12:26 AM PDT (07:26 UTC)
- Expired
- Aug 4, 2016, 3:30 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), 36 km from the middle of the area, began a volume at 07:29 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 00:00Z, 7.4 hours before the alert went out and 130 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
- 1079 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 2895 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -36 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
271
WGUS55 KVEF 040726
FFWVEF
NVC003-041030-
/O.NEW.KVEF.FF.W.0073.160804T0726Z-160804T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
1226 AM PDT THU AUG 4 2016
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL CLARK COUNTY IN SOUTHERN NEVADA...
* UNTIL 330 AM PDT
* AT 1226 AM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BULLHEAD CITY...LAUGHLIN...KATHERINE LANDING...SEARCHLIGHT...
CAL-NEV-ARI...BIG BEND REC AREA...NIPTON ROAD MILE MARKER 3...
COTTONWOOD COVE AND COTTONWOOD COVE CAMPGROUND.
LAT...LON 3548 11523 3570 11522 3570 11470 3569 11468
3565 11469 3561 11465 3558 11467 3553 11466
3549 11468 3536 11460 3520 11457 3513 11458
3510 11465 3507 11460 3503 11464 3501 11464
$$
JH3 follow-up statements
427
WGUS75 KVEF 040822
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
122 AM PDT THU AUG 4 2016
NVC003-041030-
/O.CON.KVEF.FF.W.0073.000000T0000Z-160804T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK NV-
122 AM PDT THU AUG 4 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM PDT FOR
SOUTH CENTRAL CLARK COUNTY...
AT 121 AM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN CONTINUING ACROSS SOUTHERN CLARK COUNTY. THE HEAVIEST
RAIN WAS FALLING OVER CAL-NEV-ARI AND JUST SOUTH OF NIPTON ROAD NEAR
THE CALIFORNIA STATE LINE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BULLHEAD CITY...LAUGHLIN...KATHERINE LANDING...SEARCHLIGHT...
CAL-NEV-ARI...BIG BEND REC AREA...NIPTON ROAD MILE MARKER 3...
COTTONWOOD COVE AND COTTONWOOD COVE CAMPGROUND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.
&&
LAT...LON 3548 11523 3570 11522 3570 11470 3569 11468
3565 11469 3561 11465 3558 11467 3553 11466
3549 11468 3536 11460 3520 11457 3513 11458
3510 11465 3507 11460 3503 11464 3501 11464
$$
MORGAN911
WGUS75 KVEF 040931
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
231 AM PDT THU AUG 4 2016
NVC003-041030-
/O.CON.KVEF.FF.W.0073.000000T0000Z-160804T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK NV-
231 AM PDT THU AUG 4 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 AM PDT FOR
SOUTH CENTRAL CLARK COUNTY...
AT 230 AM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS EXTREME SOUTHERN CLARK COUNTY. THE HEAVIEST RAIN
WAS FALLING OVER HIGHWAY 163.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BULLHEAD CITY...LAUGHLIN...KATHERINE LANDING...BIG BEND REC AREA AND
CAL-NEV-ARI.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO CROSS FLOODED
ROADS. FIND AN ALTERNATE ROUTE.
&&
LAT...LON 3536 11508 3536 11460 3520 11457 3513 11458
3510 11465 3507 11460 3503 11464 3501 11464
$$
MORGAN063
WGUS75 KVEF 041021
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
321 AM PDT THU AUG 4 2016
NVC003-041030-
/O.EXP.KVEF.FF.W.0073.000000T0000Z-160804T1030Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK NV-
321 AM PDT THU AUG 4 2016
...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL CLARK COUNTY WILL EXPIRE
AT 330 AM PDT...
ONLY LIGHT RAIN WAS STILL FALLING OVER FAR SOUTHERN CLARK COUNTY.
FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. VERY HEAVY RAIN
FELL EARLIER, SO PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 3536 11508 3536 11460 3520 11457 3513 11458
3510 11465 3507 11460 3503 11464 3501 11464
$$
MORGANThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 5:56 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 34 min |
| Aug 3, 6:04 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 26 min |
| Aug 3, 6:34 PM PDT | Areal Flood Advisory | VEF | Clark | 3 hr |
| Aug 3, 7:52 PM PDT | Flash Flood Warning | VEF | Clark, Lincoln | 3 hr |
| Aug 3, 9:13 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 62 min |
| Aug 3, 10:21 PM PDT | Areal Flood Advisory | VEF | Clark | 3 hr |
| Aug 3, 10:58 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 32 min |
| Aug 4, 2:55 AM PDT | Areal Flood Advisory | VEF | Clark | 2 hr |
Nearby
Flash Flood Warnings in Nevada, 2016Every flash flood warning in 2016
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.