Alert archive / California / Flash Flood Warnings in 2014
Flash Flood Warning 69, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Aug 3, 2014, 8:19 PM PDT for San Bernardino County, California. It was in force for 3 hr. 11 reports 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, 8:19 PM PDT (03:19 UTC)
- Expired
- Aug 3, 2014, 11:15 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 Edwards AFB radar (KEYX), 98 km from the middle of the area, began a volume at 03:21 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, 8:30 PM PDT | HEAVY RAIN 1 | 4 E Barstow, CA | *** 2 INJ *** TWO VEHICLES WERE INVOLVED A WEATHER-RELATED ACCIDENT DUE TO HEAVY RAIN. AT LEAST 2 PEOPLE HAD MINOR INJURIES. |
| Aug 3, 8:49 PM PDT | FLASH FLOOD | Sw Barstow, CA | SIGNIFICANT FLOODING OCCURING IN SOUTHWEST BARSTOW. ESTIMATED ONE TO TWO FEET OF WATER FLOWING IN CITY STREETS. EMERGENCY CREWS RESPONDING. |
| Aug 3, 8:50 PM PDT | FLASH FLOOD | 1 Ene Barstow, CA | AT LEAST 5 SWIFTWATER RESCUES TOOK PLACE IN AND AROUND BARSTOW. |
| Aug 3, 8:50 PM PDT | FLASH FLOOD | 1 Se Barstow, CA | AT LEAST 3 HOMES IN THE HEIGHTS SECTION OF BARSTOW HAD WATER AND MUD ENTER THEM CAUSING DAMAGE. |
| Aug 3, 8:50 PM PDT | FLASH FLOOD | 3 W Barstow, CA | A 20 INCH SEWER LINE WAS RUPTURED BY FLOODWATERS IN BARSTOW NEAR NATIONAL TRAILS HIGHWAY AND LENWOOD ROAD. THE ROADWAY WAS ALSO WASHED OUT. |
| Aug 3, 9:00 PM PDT | FLASH FLOOD | 2 Sw Barstow, CA | CA HIGHWAY PATROL REPORTS FLOODING ON LENWOOD ROAD NEAR THE ON-RAMP TO NB I-15. A VEHICLE IS STUCK IN THE FLOODING ON LENWOOD ROAD. WATER HAS SWEPT ROCKS ONTO THE ROAD. |
| Aug 3, 9:24 PM PDT | FLASH FLOOD | 4 N Daggett, CA | CA HIGHWAY PATROL REPORTS ROADWAY FLOODING AT THE INTERSECTION OF CALICO BLVD AND GHOST TOWN ROAD. A VEHICLE IS STUCK IN FLOODED INTERSECTION. |
| Aug 3, 9:30 PM PDT | FLASH FLOOD | 1 Nne Ludlow, CA | CHP REPORTS ROCKS AND DEBRIS ACROSS NATIONAL TRAILS HWY AND LUDLOW ROAD. THE ROAD WILL NEED TO BE CLEARED. EVENT TIME ESTIMATED. |
| Aug 3, 9:40 PM PDT | FLASH FLOOD | 1 Ssw Barstow, CA | CHP REPORTS FLOODING OVER HIGHVIEW AVE AND J ST. HALF OF ROAD IS GONE. |
| Aug 3, 9:45 PM PDT | FLASH FLOOD | 1 Ese Daggett (Clr11), CA | MINNEOLA ROAD WAS FLOODED AND CLOSED FROM MITCHELLS RANCH TO VALLEY CENTER. THE EVENT TIME IS AN ESTIMATE. |
| Aug 3, 9:50 PM PDT | FLASH FLOOD | 4 Ne Daggett, CA | CHP REPORTS FLOODING OVER ROAD AND BRIDGE AT INTERSECTION OF CALICO RD AND YERMO RD. |
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, 3.3 hours before the alert went out and 196 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.
468
WGUS55 KVEF 040319
FFWVEF
CAC071-040615-
/O.NEW.KVEF.FF.W.0069.140804T0319Z-140804T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
819 PM PDT SUN AUG 3 2014
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CENTRAL SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA...
* UNTIL 1115 PM PDT
* AT 811 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM A THUNDERSTORM NEAR BARSTOW. THE STORM
PRODUCING FLASH FLOODING WAS NEARLY STATIONARY.
* LOCATIONS IMPACTED INCLUDE...
BARSTOW...DAGGETT...BARSTOW-CALICO KOA CAMPGROUND...OWL CANYON
CAMPGROUND AND AFTON CANYON CAMPGROUND.
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.
&&
LAT...LON 3470 11645 3473 11643 3474 11644 3474 11655
3479 11716 3514 11714 3510 11615 3468 11615
$$
BP2 follow-up statements
998
WGUS75 KVEF 040353
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
853 PM PDT SUN AUG 3 2014
CAC071-040615-
/O.CON.KVEF.FF.W.0069.000000T0000Z-140804T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
853 PM PDT SUN AUG 3 2014
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 PM PDT FOR
CENTRAL SAN BERNARDINO COUNTY...
AT 844 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A THUNDERSTORM PRODUCING FLASH FLOODING OVER BARSTOW. A
TRAINED WEATHER SPOTTER IN BARSTOW ESTIMATED TWO FEET OF WATER
FLOWING IN SOME CITY STREETS. EMERGENCY CREWS ARE RESPONDING.
LOCATIONS IMPACTED INCLUDE...
BARSTOW...DAGGETT...NEWBERRY SPRINGS...BARSTOW-CALICO KOA
CAMPGROUND...OWL CANYON CAMPGROUND AND AFTON CANYON CAMPGROUND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED ON ROADS...IN NORMALLY DRY WASHES AND LOW
LYING AREAS. NEVER TRY TO CROSS A FLOODED ROAD OR ENTER A FLOOD
CHANNEL. TURN AROUND...DONT DROWN!
REPORT FLOODING TO THE LAS VEGAS NATIONAL WEATHER SERVICE VIA
FACEBOOK OR TWITTER.
&&
LAT...LON 3470 11645 3473 11643 3474 11644 3474 11655
3479 11716 3514 11714 3510 11615 3468 11615
$$
BP297
WGUS75 KVEF 040611
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
1111 PM PDT SUN AUG 3 2014
CAC071-040620-
/O.EXP.KVEF.FF.W.0069.000000T0000Z-140804T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
1111 PM PDT SUN AUG 3 2014
...THE FLASH FLOOD WARNING WILL EXPIRE AT 1115 PM PDT FOR CENTRAL SAN
BERNARDINO COUNTY...
THUNDERSTORMS WITH HEAVY RAIN FROM BARSTOW TO NEWBERRY SPRINGS HAS
WEAKENED. THE FLASH FLOOD WARNING WILL EXPIRE AT 1115 PM PDT.
LAT...LON 3470 11645 3473 11643 3474 11644 3474 11655
3479 11716 3514 11714 3510 11615 3468 11615
$$
BPThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 5:07 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 53 min |
| Aug 3, 5:32 PM PDT | Areal Flood Advisory | VEF | Inyo, San Bernardino | 3 hr |
| Aug 3, 7:13 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 4, 11:57 AM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 4, 12:12 PM PDT | Flash Flood Warning | VEF | Inyo | 3 hr |
Nearby
Flash Flood Warnings in California, 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.