Alert archive / California / Flash Flood Warnings in 2016
Flash Flood Warning 4, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at Jan 5, 2016, 4:11 PM PST for San Diego County, California. It was in force for 3 hr. 9 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
- Jan 5, 2016, 4:11 PM PST (00:11 UTC)
- Expired
- Jan 5, 2016, 7:15 PM PST
- In force
- 3 hr
- Issued by
- NWS San Diego, CA
- Area
- Storm-based polygon
- Flood severity
- None
County San Diego County, CA
The radar
The San Diego radar (KNKX), 27 km from the middle of the area, began a volume at 00:14 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 |
|---|---|---|---|
| Jan 5, 4:23 PM PST | FLASH FLOOD | 3 N San Diego, CA | SOUTHBOUND 163 OFFRAMP TO FRIARS ROAD. LANE #1 COMPLETELY FLOODED. |
| Jan 5, 4:23 PM PST | FLASH FLOOD | 3 N San Diego, CA | SOUTHBOUND 163 OFFRAMP TO FRIARS ROAD. LANE #1 COMPLETELY FLOODED. 18 HIGH WATER RESCUE REPORTED JAN 5. |
| Jan 5, 4:25 PM PST | FLOOD | 8 N San Diego, CA | SAN DIEGO POLICE DEPT CLOSES CONVOY AT RONSON ROAD. CARS UNDER WATER. |
| Jan 5, 4:25 PM PST | FLASH FLOOD | 8 N San Diego, CA | SAN DIEGO POLICE DEPT CLOSES CONVOY AT RONSON ROAD. CARS UNDER WATER. |
| Jan 5, 4:35 PM PST | FLASH FLOOD | 4 N San Diego, CA | INTERSECTION OF FRAZEE ROAD AND MURRAY CANYON ROAD IN MISSION VALLEY FLOODED. WATER LEVEL WAS UP TO THE TOP OF THE TIRES OF SEVERAL CARS IN A PARKING LOT ON THE SOUTHWEST CORNER OF THE INTERSECTION. |
| Jan 5, 4:40 PM PST | FLASH FLOOD | 7 N San Diego, CA | BALBOA AVENUE FLOODED BETWEEN MERCURY STREET AND CONVOY STREET LEAVES MANY CARS TRAPPED IN RISING WATER. |
| Jan 5, 4:45 PM PST | FLASH FLOOD | 4 Wnw Lemon Grove, CA | FLOODWATERS ROSE TO THE CEILING OF SEVERAL APARTMENTS AND HOMES BUILT BELOW GRADE ON 48TH STREET IN CITY HEIGHTS. RESIDENTS HAD TO EVACUATE QUICKLY IN ORDER TO ESCAPE INJURY. ONE DOG PERISHED. ABOUT 10-12 PEOPLE HAVE BEEN DISPLACED FROM THEIR RESIDENCES. |
| Jan 5, 5:00 PM PST | FLASH FLOOD | 2 Sse Poway, CA | 2 FEET OF WATER FLOWING OVER SYCAMORE CANYON ROAD AT GARDEN ROAD. |
| Jan 5, 7:15 PM PST | FLOOD | 4 Nnw San Diego, CA | THE USGS RIVER GAUGE ON THE SAN DIEGO RIVER AT FASHION VALLEY ROSE ABOVE FLOOD STAGE BETWEEN 1915-1930 PST. THE RIVER REMAINED ABOVE FLOOD STAGE UNTIL 2130 PST THAT EVENING. THE BASIN RECEIVED 2 INCHES OF RAINFALL BETWEEN 2200 PST ON THE 4TH THROUGH 0020 PST O |
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 16 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
- 210 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 467 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 215 m²/s²
- 0-3 km storm-relative helicity
- 216 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
The text
As transmitted.
714
WGUS56 KSGX 060011
FFWSGX
CAC073-060315-
/O.NEW.KSGX.FF.W.0004.160106T0011Z-160106T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
411 PM PST TUE JAN 5 2016
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL SAN DIEGO COUNTY IN SOUTHWESTERN CALIFORNIA...
* UNTIL 715 PM PST
* AT 408 PM PST...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING WILL BE LIKELY
FOR ALL TRIBUTARIES ALONG THE SAN DIEGO RIVER. RAINFALL RATES
OF 0.50 TO 1.00 INCHES PER HOUR ARE OCCURRING WITHIN THIS AREA OF HEAVY RAIN.
URBAN AND FLASH FLOODING WILL AFFECT AREAS SURROUNDING DOWNTOWN SAN DIEGO.
* SOME LOCATIONS THAT WILL LIKELY EXPERIENCE FLOODING INCLUDE...
CHULA VISTA...EL CAJON...NATIONAL CITY...LA MESA...POWAY...IMPERIAL
BEACH...RAMONA...CORONADO...ALPINE AND NORTH PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3260 11714 3259 11711 3260 11710 3263 11713
3263 11714 3264 11714 3267 11717 3268 11717
3266 11714 3269 11714 3270 11718 3270 11716
3286 11724 3307 11678 3277 11658 3254 11712
$$
TARDY3 follow-up statements
179
WGUS76 KSGX 060109
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
509 PM PST TUE JAN 5 2016
CAC073-060315-
/O.CON.KSGX.FF.W.0004.000000T0000Z-160106T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN DIEGO CA-
509 PM PST TUE JAN 5 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM PST FOR
SOUTH CENTRAL SAN DIEGO COUNTY...
AT 505 PM PST...DOPPLER RADAR INDICATED AN AREA OF HEAVY RAIN CONTINUING
ACROSS LAKESIDE AND EL CAJON. THIS HAS CAUSED RAPID RISES TO THE SAN DIEGO
RIVER AND FLASH FLOODING OF STREETS AND TRIBUTARIES. RAINFALL OF 1 INCH WITHIN
AN HOUR HAS CAUSED THIS FLOODING. IN THE PAST 3 HOURS RAINFALL OF 1.5 TO 2.0
INCHES HAS OCCURRED IN THE WARNED AREAS. ADDITIONAL FLASH FLOODING WILL
CONTINUE. WHEN FLOODED TURN AROUND DONT DROWN.
SOME LOCATIONS THAT WILL LIKELY EXPERIENCE FLOODING INCLUDE...
CHULA VISTA...EL CAJON...NATIONAL CITY...LA MESA...POWAY...IMPERIAL
BEACH...RAMONA...CORONADO...ALPINE AND NORTH PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3260 11714 3259 11711 3260 11710 3263 11713
3263 11714 3264 11714 3267 11717 3268 11717
3266 11714 3269 11714 3270 11718 3270 11716
3286 11724 3307 11678 3277 11658 3254 11712
$$
TARDY840
WGUS76 KSGX 060136
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
536 PM PST TUE JAN 5 2016
CAC073-060315-
/O.CON.KSGX.FF.W.0004.000000T0000Z-160106T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN DIEGO CA-
536 PM PST TUE JAN 5 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM PST FOR
SOUTH CENTRAL SAN DIEGO COUNTY...
AT 532 PM PST...DOPPLER RADAR INDICATED HEAVY RAIN IS EXITING THE WARNED
AREA. NUMEROUS REPORTS OF FLOODED ROADWAYS AND VEHICLES STALLED IN 1 TO 2
FEET OF WATER BETWEEN KEARNY MESA AND MISSION VALLEY. 1 TO 2 INCHES OF RAIN
OCCURRED IN LESS THAN 3 HOURS AND THE RUNOFF HAS BROUGHT THE SAN DIEGO RIVER OVER
9 FEET. RUNOFF WILL CONTINUE THE NEXT HOUR AND THE FLASH FLOOD WARNING
REMAINS IN EFFECT. LOW LYING AREAS WILL REMAIN FLOODED. WHEN FLOODED TURN
AROUND DONT DROWN.
SOME LOCATIONS THAT WILL LIKELY EXPERIENCE FLOODING INCLUDE...
CHULA VISTA...EL CAJON...NATIONAL CITY...LA MESA...POWAY...IMPERIAL
BEACH...RAMONA...CORONADO...ALPINE AND NORTH PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3260 11714 3259 11711 3260 11710 3263 11713
3263 11714 3264 11714 3267 11717 3268 11717
3266 11714 3269 11714 3270 11718 3270 11716
3286 11724 3307 11678 3277 11658 3254 11712
$$
TARDY919
WGUS76 KSGX 060321
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
721 PM PST TUE JAN 5 2016
CAC073-060328-
/O.EXP.KSGX.FF.W.0004.000000T0000Z-160106T0315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN DIEGO CA-
721 PM PST TUE JAN 5 2016
...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL SAN DIEGO COUNTY HAS
EXPIRED...
THE HEAVY RAIN HAS ENDED...AND FLOOD WATERS WILL CONTINUE TO
GRADUALLY RECEDE. THE SAN DIEGO RIVER WILL REMAIN HIGH THROUGH
MID-EVENING WITH A PEAK RIVER STAGE AROUND 11 FEET AT FASHION
VALLEY...JUST BELOW THE FLOOD STAGE OF 11.3 FEET. THIS MEANS THAT
AVENIDA DEL RIO...CAMINO DEL ESTE AND FASHION VALLEY ROAD WILL BE
FLOODED TONIGHT.
LAT...LON 3260 11714 3259 11711 3260 11710 3263 11713
3263 11714 3264 11714 3267 11717 3268 11717
3266 11714 3269 11714 3270 11718 3270 11716
3286 11724 3307 11678 3277 11658 3254 11712
$$
MAXWELLThe office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 5, 6:46 PM PST | Areal Flood Advisory | SGX | Riverside, San Diego | 4 hr |
| Jan 5, 8:28 PM PST | River Flood Warning | SGX | San Diego | 9 hr |
| Jan 6, 4:05 AM PST | Wind Advisory | SGX | Orange, San Diego | 14 hr |
| Jan 6, 4:28 AM PST | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 32 hr |
| Jan 6, 10:36 AM PST | Beach Hazards Statement | SGX | Orange, San Diego | 15 hr |
| Jan 6, 10:36 AM PST | High Surf Warning | SGX | Orange, San Diego | 59 hr |
| Jan 6, 12:00 PM PST | River Flood Warning | SGX | San Diego | 29 hr |
| Jan 6, 12:10 PM PST | Flash Flood Warning | SGX | Orange | 5 hr |
| Jan 6, 12:35 PM PST | Special Marine Warning | SGX | 55 min | |
| Jan 6, 12:40 PM PST | Areal Flood Warning | SGX | Orange, Riverside, San Bernardino | 6 hr |
| Jan 6, 12:45 PM PST | Special Marine Warning | SGX | 45 min | |
| Jan 6, 12:46 PM PST | Severe Thunderstorm Warning | SGX | Orange, Riverside, San Bernardino | 44 min |
| Jan 6, 1:04 PM PST | Severe Thunderstorm Warning | SGX | Orange, Riverside, San Diego | 56 min |
| Jan 6, 1:23 PM PST | Special Marine Warning | SGX | 37 min | |
| Jan 6, 1:30 PM PST | Special Marine Warning | SGX | 45 min | |
| Jan 6, 1:34 PM PST | Flash Flood Warning | SGX | Orange, Riverside, San Bernardino, San Diego | 3 hr |
| Jan 6, 1:50 PM PST | Special Marine Warning | SGX | 40 min | |
| Jan 6, 2:09 PM PST | Special Marine Warning | SGX | 96 min | |
| Jan 6, 2:23 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 52 min |
| Jan 6, 2:45 PM PST | Special Marine Warning | SGX | 60 min | |
| Jan 6, 2:54 PM PST | Tornado Warning | SGX | San Diego | 20 min |
| Jan 6, 2:56 PM PST | Tornado Warning | SGX | San Diego | 19 min |
| Jan 6, 3:12 PM PST | Flash Flood Warning | SGX | San Diego | 3 hr |
| Jan 6, 3:19 PM PST | Severe Thunderstorm Warning | SGX | San Diego | 43 min |
| Jan 6, 3:50 PM PST | Special Marine Warning | SGX | 85 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.