Alert archive / California / Flash Flood Warnings in 2016
Flash Flood Warning 26, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 1, 2016, 3:36 AM PDT for San Bernardino County, California. 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
- Jul 1, 2016, 3:36 AM PDT (10:36 UTC)
- Expired
- Jul 1, 2016, 6:30 AM 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), 78 km from the middle of the area, began a volume at 10:37 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 1, 5:13 AM PDT | FLASH FLOOD | 17 Nw Needles, CA | CALIFORNIA HIGHWAY PATROL REPORTED ROADWAY FLOODING WITH VEHICLES STOPPED AT MILE MARKER 70 ON HIGHWAY 95. . |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Yuma Prvg Ground, AZ (K1Y7), launched 00:00Z, 10.6 hours before the alert went out and 303 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
- 423 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 2290 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
605 WGUS55 KVEF 011036 FFWVEF CAC071-011330- /O.NEW.KVEF.FF.W.0026.160701T1036Z-160701T1330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 336 AM PDT FRI JUL 1 2016 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHEASTERN SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA... * UNTIL 630 AM PDT * AT 335 AM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS MUCH OF THE MOJAVE NATIONAL PRESERVE. THESE STORMS ARE MOVING SOUTHEAST, AND FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... KELSO...CIMA...MITCHELL CAVERNS... BLACK CANYON EQUESTRIAN CAMPGROUND... HOLE IN THE WALL CAMPGROUND AND MID HILLS CAMPGROUND. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. MOVE TO HIGHER GROUND. && LAT...LON 3547 11525 3496 11589 3464 11567 3500 11465 $$ MORGAN
3 follow-up statements
476 WGUS75 KVEF 011150 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 450 AM PDT FRI JUL 1 2016 CAC071-011330- /O.CON.KVEF.FF.W.0026.000000T0000Z-160701T1330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SAN BERNARDINO CA- 450 AM PDT FRI JUL 1 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM PDT FOR EAST CENTRAL SAN BERNARDINO COUNTY... AT 448 AM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS ACCELERATING SOUTHEASTWARD ACROSS INTERSTATE 40. SINCE THE STORMS WERE MOVING FASTER, THE THREAT OF FLASH FLOODING OVER THE MOJAVE NATIONAL PRESERVE WILL BE DECREASING. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. && LAT...LON 3464 11567 3477 11572 3527 11504 3500 11465 $$ MORGAN
270 WGUS75 KVEF 011229 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 529 AM PDT FRI JUL 1 2016 CAC071-011330- /O.CON.KVEF.FF.W.0026.000000T0000Z-160701T1330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SAN BERNARDINO CA- 529 AM PDT FRI JUL 1 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM PDT FOR EAST CENTRAL SAN BERNARDINO COUNTY... AT 527 AM PDT...DOPPLER RADAR INDICATED THAT RAIN HAD DECREASED OVER MOST OF THE MOJAVE NATIONAL PRESERVE. JUST TO THE EAST, FLASH FLOODING WAS OCCURRING ON HIGHWAY 95 NEAR MILE MARKER 70 A FEW MILES SOUTH OF THE NEVADA STATE LINE. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. && LAT...LON 3492 11490 3501 11496 3518 11494 3500 11465 $$ MORGAN
171 WGUS75 KVEF 011321 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 621 AM PDT FRI JUL 1 2016 CAC071-011330- /O.EXP.KVEF.FF.W.0026.000000T0000Z-160701T1330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SAN BERNARDINO CA- 621 AM PDT FRI JUL 1 2016 ...THE FLASH FLOOD WARNING FOR EAST CENTRAL SAN BERNARDINO COUNTY WILL EXPIRE AT 630 AM PDT... RAIN WAS ENDING OVER HIGHWAY 95 BETWEEN INTERSTATE 40 AND THE NEVADA STATE LINE. FLOODING WAS STILL LINGERING ON HIGHWAY 95, SO PLEASE CONTINUE TO HEED ANY ROAD CLOSURES. LAT...LON 3492 11490 3501 11496 3518 11494 3500 11465 $$ MORGAN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 5:48 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 42 min |
| Jun 30, 5:54 PM PDT | Flash Flood Warning | VEF | San Bernardino | 6 hr |
| Jun 30, 6:26 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 34 min |
| Jun 30, 6:59 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 31 min |
| Jun 30, 10:32 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jun 30, 10:56 PM PDT | Severe Thunderstorm Warning | VEF | Inyo | 64 min |
| Jun 30, 11:08 PM PDT | Flash Flood Warning | VEF | Inyo | 4 hr |
| Jun 30, 11:49 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
| Jul 1, 1:41 AM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 1, 2:06 AM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 1, 3:12 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 63 min |
| Jul 1, 3:25 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Jul 1, 4:05 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 55 min |
| Jul 1, 4:24 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Jul 1, 4:59 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 61 min |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.