Alert archive / California / Flash Flood Warnings in 2016
Flash Flood Warning 12, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at Jul 1, 2016, 5:11 PM PDT for San Bernardino County, California. It was in force for 3 hr. 2 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
- Jul 1, 2016, 5:11 PM PDT (00:11 UTC)
- Expired
- Jul 1, 2016, 8:15 PM PDT
- In force
- 3 hr
- Issued by
- NWS San Diego, CA
- Area
- Storm-based polygon
- Flood severity
- None
County San Bernardino County, CA
The radar
The Edwards AFB radar (KEYX), 55 km from the middle of the area, began a volume at 00:13 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, 6:15 PM PDT | FLASH FLOOD | 5 Ssw Helendale, CA | FLASH FLOODING ON HIGHWAY 66 AT BRYMAN ROAD SOUTH OF HELENDALE. COUNTY HAS SHUT DOWN THE ROAD. |
| Jul 1, 6:31 PM PDT | FLASH FLOOD | 4 Ssw Helendale, CA | FLASH FLOODING ON HIGHWAY 66 AT TURNER ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
San Diego, CA (KNKX), launched 00:00Z, 0.2 hours before the alert went out and 207 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
- 1387 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -8 m²/s²
- 0-3 km storm-relative helicity
- -34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
798
WGUS56 KSGX 020011
FFWSGX
CAC071-020315-
/O.NEW.KSGX.FF.W.0012.160702T0011Z-160702T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
511 PM PDT FRI JUL 1 2016
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA...
* UNTIL 815 PM PDT
* AT 509 PM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING WILL LIKELY BEGIN
SHORTLY.
* SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
VICTORVILLE...I-15 BETWEEN VICTORVILLE AND BARSTOW...
APPLE VALLEY...ADELANTO...EL MIRAGE...
HWY 247 BETWEEN LUCERNE VALLEY AND BARSTOW...AND HELENDALE
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3477 11692 3446 11734 3447 11757 3466 11755
3481 11744
$$
ALBRIGHT3 follow-up statements
389
WGUS76 KSGX 020110
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
610 PM PDT FRI JUL 1 2016
CAC071-020315-
/O.CON.KSGX.FF.W.0012.000000T0000Z-160702T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
610 PM PDT FRI JUL 1 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM PDT FOR SAN
BERNARDINO COUNTY...
AT 608 PM PDT...THUNDERSTORMS CONTINUED TO PRODUCE HEAVY RAIN ACROSS
THE WARNED AREA. DOPPLER RADAR ESTIMATED RAINFALL TOTALS OF UP TO 3
INCHES WITHIN THE WARNED AREA WITH ADDITIONAL HEAVY RAINFALL LIKELY.
FLASH FLOODING IS LIKELY ONGOING AND IS EXPECTED TO CONTINUE
THOUGH 815 PM.
SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE...
HELENDALE...HIGHWAY 66...I-15 BETWEEN VICTORVILLE AND BARSTOW...
HIGHWAY 395...SHADOW MOUNTAIN ROAD...AND HELENDALE ROAD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3477 11692 3446 11734 3447 11757 3466 11755
3481 11744
$$
ALBRIGHT811
WGUS76 KSGX 020149
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
649 PM PDT FRI JUL 1 2016
CAC071-020315-
/O.CON.KSGX.FF.W.0012.000000T0000Z-160702T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
649 PM PDT FRI JUL 1 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 815 PM PDT FOR SAN
BERNARDINO COUNTY...
AT 646 PM PDT..THUNDERSTORMS HAD ENDED WITHIN THE WARNED AREA.
HOWEVER...DOPPLER RADAR ESTIMATED RAINFALL TOTALS OF UP TO 3 INCHES
SOUTH OF HELENDALE...WITH SIGNIFICANT FLOODING ONGOING ALONG HIGHWAY
66. FLOODING WILL LIKELY CONTINUE THROUGH 815 PM DUE TO CONTINUED
RUNOFF.
SOME LOCATIONS THAT WILL LIKELY EXPERIENCE CONTINUED FLOODING
INCLUDE...HIGHWAY 66...HELENDALE...BRYMAN...LA DELTA...
AND SILVER MOUNTAIN ROAD.
LAT...LON 3477 11692 3446 11734 3447 11757 3466 11755
3481 11744
$$
ALBRIGHT753
WGUS76 KSGX 020252
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
752 PM PDT FRI JUL 1 2016
CAC071-020259-
/O.CAN.KSGX.FF.W.0012.000000T0000Z-160702T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO CA-
752 PM PDT FRI JUL 1 2016
...THE FLASH FLOOD WARNING FOR SAN BERNARDINO COUNTY IS CANCELLED...
RAINFALL HAS ENDED AND RUNOFF IS DISSIPATING. THEREFORE FLOODING IS NO
LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY
REMAINING ROAD CLOSURES.
LAT...LON 3477 11692 3446 11734 3447 11757 3466 11755
3481 11744
$$
ALBRIGHTThe office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 5:09 PM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 51 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.