Alert archive / California / Flash Flood Warnings in 2016
Flash Flood Warning 112, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 26, 2016, 9:26 PM PDT for San Bernardino County, California; 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 26, 2016, 9:26 PM PDT (04:26 UTC)
- Expired
- Aug 27, 2016, 12:30 AM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
Counties San Bernardino County, CA, Clark County, NV
The radar
The Las Vegas radar (KESX), 52 km from the middle of the area, began a volume at 04:28 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 26, 10:58 PM PDT | FLASH FLOOD | 8 S Cal Nev Ari, NV | HIGHWAY 95 NEAR STATE HIGHWAY 163 CLOSED TO CLEAR FLOOD DEBRIS FROM ROADWAY. |
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, 4.4 hours before the alert went out and 140 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
- 5 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 3514 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 22 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
199
WGUS55 KVEF 270426
FFWVEF
CAC071-NVC003-270730-
/O.NEW.KVEF.FF.W.0112.160827T0426Z-160827T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
926 PM PDT FRI AUG 26 2016
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA...
SOUTH CENTRAL CLARK COUNTY IN SOUTHERN NEVADA...
* UNTIL 1230 AM PDT
* AT 925 PM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN NEAR AND WEST OF CAL-NEV-ARI. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY...ESPECIALLY ON US 95 NEAR THE NEVADA
AND CALIFORNIA STATE BORDER.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
LAUGHLIN AND CAL-NEV-ARI.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 3539 11473 3499 11472 3504 11488 3518 11506
3544 11507
$$
CMS3 follow-up statements
754
WGUS75 KVEF 270524
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1024 PM PDT FRI AUG 26 2016
CAC071-NVC003-270730-
/O.CON.KVEF.FF.W.0112.000000T0000Z-160827T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-CLARK NV-
1024 PM PDT FRI AUG 26 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM PDT FOR
EAST CENTRAL SAN BERNARDINO AND SOUTH CENTRAL CLARK COUNTIES...
AT 1023 PM PDT...DOPPLER RADAR INDICATED THAT THUNDERSTORMS HAD
MOVED AWAY FROM CAL-NEV-ARI. HOWEVER, VERY HEAVY RAIN FELL IN THE
AREA, SO FLASH FLOODING REMAINS LIKELY.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CAL-NEV-ARI.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 3539 11473 3499 11472 3504 11488 3518 11506
3544 11507
$$
MORGAN269
WGUS75 KVEF 270627
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1127 PM PDT FRI AUG 26 2016
CAC071-NVC003-270730-
/O.CON.KVEF.FF.W.0112.000000T0000Z-160827T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-CLARK NV-
1127 PM PDT FRI AUG 26 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 AM PDT FOR
EAST CENTRAL SAN BERNARDINO AND SOUTH CENTRAL CLARK COUNTIES...
THE NEVADA HIGHWAY PATROL REPORTED THAT HIGHWAY 95 WAS CLOSED DUE TO
FLASH FLOODING NEAR THE LAUGHLIN TURNOFF, OR STATE ROUTE 163.
THUNDERSTORMS WITH HEAVY RAIN ENDED OVER THE BETWEEN SEARCHLIGHT AND
CAL-NEV-ARI BEFORE 11 PM, HOWEVER FLASH FLOODING WILL CONTINUE TO
IMPACT HIGHWAY 95 BEFORE THE WATER GRADUALLY RECEDES.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
CAL-NEV-ARI AND SECTIONS OF HIGHWAY 95 EXTENDING INTO CALIFORNIA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 3539 11473 3499 11472 3504 11488 3518 11506
3544 11507
$$
JA511
WGUS75 KVEF 270727
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1227 AM PDT SAT AUG 27 2016
CAC071-NVC003-270733-
/O.EXP.KVEF.FF.W.0112.000000T0000Z-160827T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-CLARK NV-
1227 AM PDT SAT AUG 27 2016
...THE FLASH FLOOD WARNING FOR EAST CENTRAL SAN BERNARDINO AND SOUTH
CENTRAL CLARK COUNTIES WILL EXPIRE AT 1230 AM PDT...
THE HEAVY RAIN ENDED SHORTLY AFTER 11 PM OVER THE AREA EXTENDING
FROM CAL-NEV-ARI ALONG HIGHWAY 95 INTO CALIFORNIA. FLASH FLOODING IS
NO LONGER EXPECTED TO POSE A THREAT, BUT HIGHWAY 95 WILL REMAIN
CLOSED NEAR THE LAUGHLIN TURNOFF UNTIL DEBRIS IS CLEARED. PLEASE
CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 3539 11473 3499 11472 3504 11488 3518 11506
3544 11507
$$
JAThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 9:23 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 52 min |
| Aug 26, 9:40 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 35 min |
| Aug 26, 9:44 PM PDT | Flash Flood Warning | VEF | Inyo, San Bernardino | 3 hr |
| Aug 26, 10:01 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 26, 10:07 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 38 min |
| Aug 26, 10:35 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 26, 10:50 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 40 min |
| Aug 27, 5:06 AM PDT | Flash Flood Warning | VEF | San Bernardino | 4 hr |
| Aug 27, 4:04 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 26, 6:38 PM PDT | Flash Flood Warning | VEF | Clark | 3 hr |
| Aug 26, 7:37 PM PDT | Flash Flood Warning | VEF | Clark | 113 min |
| Aug 26, 8:40 PM PDT | Flash Flood Warning | VEF | Clark | 4 hr |
| Aug 26, 10:02 PM PDT | Severe Thunderstorm Warning | VEF | Clark | 22 min |
Nearby
Flash Flood Warnings in California, 2016Flash 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.