Alert archive / California / Flash Flood Warnings in 2015
Flash Flood Warning 3, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at May 14, 2015, 8:27 PM PDT for San Diego County, California. It was in force for 2 hr. 7 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
- May 14, 2015, 8:27 PM PDT (03:27 UTC)
- Expired
- May 14, 2015, 10:30 PM PDT
- In force
- 2 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), 24 km from the middle of the area, began a volume at 03:31 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 |
|---|---|---|---|
| May 14, 8:51 PM PDT | HEAVY RAIN 1.3 | 2 Nw San Diego, CA | SAN LINDBERGH FIELD REPORTED 1.30 INCHES OF RAIN FROM 8 TO 9 PM. 1.57 IN THE 6 HOUR PERIOD. |
| May 14, 8:51 PM PDT | HEAVY RAIN 1.3 | 2 Nw San Diego, CA | SAN LINDBERGH FIELD REPORTED 1.30 INCHES OF RAIN FROM 8 TO 9 PM. 1.57 IN THE 6 HOUR PERIOD. 0.71 INCHES IN 9 MINUTES IS NEAR 1/100 RETURN INTERVAL. |
| May 14, 9:00 PM PDT | FLASH FLOOD | 2 Nnw San Diego, CA | SEVERAL HOMES FLOODED. SOME RESIDENT EVACUATIONS UNDERWAY. GARAGE AND MINOR HOME DAMAGE REPORTED. |
| May 14, 9:00 PM PDT | FLASH FLOOD | 4 Nw San Diego, CA | REPORTS OF SD FIRE AND POLICE RESPONDING TO MULTIPLE (6 INCIDENTS) WATER RESCUES |
| May 14, 9:00 PM PDT | FLASH FLOOD | 4 Nw San Diego, CA | REPORTS OF SD FIRE AND POLICE RESPONDING TO MULTIPLE WATER RESCUES |
| May 14, 9:15 PM PDT | FLOOD | 2 Nnw San Diego, CA | SEVERAL HOMES FLOODED. SOME RESIDENT EVACUATIONS UNDERWAY. |
| May 14, 10:00 PM PDT | FLASH FLOOD | 3 Nne San Diego, CA | PUBLIC REPORTED FLOODING ON EL CAJON BLVD IN THE NORTH PARK NEIGHBORHOOD OF SAN DIEGO. BASED ON PHOTOS...WATER APPEARS TO BE AROUND 6 TO 8 INCHES DEEP. |
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, 3.5 hours before the alert went out and 8 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
- 74 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
050
WGUS56 KSGX 150327
FFWSGX
CAC073-150530-
/O.NEW.KSGX.FF.W.0003.150515T0327Z-150515T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
827 PM PDT THU MAY 14 2015
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN SAN DIEGO COUNTY IN SOUTHWESTERN CALIFORNIA...
* UNTIL 1030 PM PDT
* AT 826 PM PDT...GAUGE REPORTS INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EL CAJON...LA MESA...CORONADO...LINDA VISTA...TIERRASANTA...
DOWNTOWN SAN DIEGO...MISSION VALLEY...HILLCREST...NORTH PARK...
MIDWAY DISTRICT INCLUDING LINDBERGH FIELD...MISSION BEACH...POINT
LOMA...SANTEE...LEMON GROVE...COLLEGE EAST...KEARNY MESA...LAKE
MURRAY...SCRIPPS RANCH...POINT LOMA HEIGHTS AND QUALCOMM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3278 11725 3292 11706 3281 11692 3268 11713
3271 11716 3269 11717 3268 11715 3268 11716
3269 11723 3272 11721 3270 11717 3273 11718
3273 11722 3267 11724 3268 11724
$$
JJT2 follow-up statements
603
WGUS76 KSGX 150347
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
847 PM PDT THU MAY 14 2015
CAC073-150530-
/O.CON.KSGX.FF.W.0003.000000T0000Z-150515T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN DIEGO CA-
847 PM PDT THU MAY 14 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1030 PM PDT FOR
SOUTHWESTERN SAN DIEGO COUNTY...
AT 842 PM PDT...DOPPLER RADAR INDICATED TRAINING THUNDERSTORMS
PRODUCING HEAVY RAIN ACROSS PORTIONS OF THE WARNED AREA. OVER ONE
INCH OF RAIN HAS ALREADY FALLEN IN A SHORT PERIOD OF TIME...AND
FLASH FLOODING IS LIKELY IN LOW-LYING AREAS SHORTLY.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
EL CAJON...LA MESA...CORONADO...LINDA VISTA...TIERRASANTA...DOWNTOWN
SAN DIEGO...MISSION VALLEY...HILLCREST...NORTH PARK...MIDWAY DISTRICT
INCLUDING LINDBERGH FIELD...MISSION BEACH...POINT LOMA...SANTEE...
LEMON GROVE...COLLEGE EAST...KEARNY MESA...LAKE MURRAY...SCRIPPS
RANCH...POINT LOMA HEIGHTS AND QUALCOMM.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
&&
LAT...LON 3278 11725 3292 11706 3281 11692 3268 11713
3271 11716 3269 11717 3268 11715 3268 11716
3269 11723 3272 11721 3270 11717 3273 11718
3273 11722 3267 11724 3268 11724
$$
JJT046
WGUS76 KSGX 150523
FFSSGX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
1023 PM PDT THU MAY 14 2015
CAC073-150532-
/O.EXP.KSGX.FF.W.0003.000000T0000Z-150515T0530Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN DIEGO CA-
1023 PM PDT THU MAY 14 2015
...THE FLASH FLOOD WARNING FOR SOUTHWESTERN SAN DIEGO COUNTY WILL
EXPIRE AT 1030 PM PDT...
THE HEAVY RAIN HAS ENDED OVER SOUTHWESTERN SAN DIEGO
COUNTY...INCLUDING THE CITY OF SAN DIEGO...AND FLOODING
WILL CONTINUE TO SUBSIDE.
LAT...LON 3278 11725 3292 11706 3281 11692 3268 11713
3271 11716 3269 11717 3268 11715 3268 11716
3269 11723 3272 11721 3270 11717 3273 11718
3273 11722 3267 11724 3268 11724
$$
MAXWELLThe office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 14, 7:56 PM PDT | Areal Flood Advisory | SGX | Riverside, San Diego | 6 hr |
| May 15, 12:02 AM PDT | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino | 3 hr |
| May 15, 7:41 AM PDT | Areal Flood Advisory | SGX | San Diego | 7 hr |
| May 15, 8:00 AM PDT | Areal Flood Advisory | SGX | San Diego | 3 hr |
| May 15, 10:59 AM PDT | Areal Flood Advisory | SGX | Orange, Riverside, San Diego | 3 hr |
Nearby
Flash Flood Warnings in California, 2015Every flash flood warning in 2015
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.