Alert archive / California / Flash Flood Warnings in 2016
Flash Flood Warning 79, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 4, 2016, 3:25 PM PDT for 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
- Aug 4, 2016, 3:25 PM PDT (22:25 UTC)
- Expired
- Aug 4, 2016, 6:30 PM PDT
- In force
- 3 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County San Bernardino County, CA
The radar
The Las Vegas radar (KESX), 169 km from the middle of the area, began a volume at 22:26 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
San Diego, CA (KNKX), launched 12:00Z, 10.4 hours before the alert went out and 224 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1135 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 10 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
492
WGUS55 KVEF 042225
FFWVEF
CAC071-050130-
/O.NEW.KVEF.FF.W.0079.160804T2225Z-160805T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
325 PM PDT THU AUG 4 2016
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA...
* UNTIL 630 PM PDT
* AT 324 PM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA...ESPECIALLY ALONG AMBOY ROAD
SOUTH OF AMBOY. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AMBOY...AMBOY ROAD...STATE ROUTE 62 EAST OF TWENTYNINE PALMS.
LAT...LON 3411 11549 3447 11617 3460 11604 3460 11542
3408 11508 3407 11532
$$
WOLCOTT2 follow-up statements
367
WGUS75 KVEF 050006
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
506 PM PDT THU AUG 4 2016
CAC071-050130-
/O.CON.KVEF.FF.W.0079.000000T0000Z-160805T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
506 PM PDT THU AUG 4 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM PDT FOR
SOUTH CENTRAL SAN BERNARDINO COUNTY...
AT 504 PM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN WERE ENDING ACROSS THE WARNED AREA. FLASH FLOODING IS
LIKELY ONGOING IN THE AREA.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
AMBOY. AMBOY ROAD BETWEEN STATE ROUTE 62 AND AMBOY. AS WELL AS STATE
ROUTE 62 BETWEEN MILE MARKERS 69 AND 92.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3411 11549 3447 11617 3460 11604 3460 11542
3408 11508 3407 11532
$$
WOLCOTT796
WGUS75 KVEF 050124
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
624 PM PDT THU AUG 4 2016
CAC071-050134-
/O.EXP.KVEF.FF.W.0079.000000T0000Z-160805T0130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
624 PM PDT THU AUG 4 2016
...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL SAN BERNARDINO COUNTY
WILL EXPIRE AT 630 PM PDT...
THE HEAVY RAIN HAS ENDED OVER CENTRAL SAN BERNARDINO COUNTY.
FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO
HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 3411 11549 3447 11617 3460 11604 3460 11542
3408 11508 3407 11532
$$
WOLCOTTThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 6:20 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 3, 8:40 PM PDT | Flash Flood Warning | VEF | San Bernardino | 6 hr |
| Aug 4, 12:37 AM PDT | Flash Flood Warning | VEF | San Bernardino | 113 min |
| Aug 4, 2:24 AM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Aug 4, 1:49 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 4, 4:39 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 5 hr |
| Aug 4, 4:42 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
Nearby
Flash Flood Warnings in California, 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.