Alert archive / California / Flash Flood Warnings in 2018
Flash Flood Warning 7, NWS San Diego, CA
NWS San Diego, CA issued this flash flood warning at Jul 11, 2018, 5:06 PM PDT for San Diego County, California. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 11, 2018, 5:06 PM PDT (00:06 UTC)
- Expired
- Jul 11, 2018, 8:00 PM PDT
- 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), 78 km from the middle of the area, began a volume at 00:07 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.
The nearest sounding before it
San Diego, CA (KNKX), launched 00:00Z, 0.1 hours before the alert went out and 95 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
- 1584 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
671
WGUS56 KSGX 120006
FFWSGX
CAC073-120300-
/O.NEW.KSGX.FF.W.0007.180712T0006Z-180712T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service San Diego CA
506 PM PDT WED JUL 11 2018
The National Weather Service in San Diego has issued a
* Flash Flood Warning for...
Eastern San Diego County in southwestern California...
* Until 800 PM PDT
* At 505 PM PDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Flash flooding will likely begin
shortly.
* Some locations that will likely experience flooding include...
Hwy 78 Between Borrego Springs Rd And Ocotillo Wells, Hwy 78
Between S2 And Borrego Springs Rd, Borrego Springs, I-8 Between
Boulevard And Imperial County Line, I-8 Between Pine Valley And
Boulevard, Hwy S22 Between Borrego Springs And Imperial County
Line, Hwy S2 Vallecito Creek Rd, Ocotillo Wells, Hwy S2 Between
Canebrake And Imperial County Line, Hwy S2 Between Agua Caliente
And Canebrake, Fish Creek Wash, Boulevard, Hwy S2 Between Shelter
Valley And Agua Caliente, Canebrake, Ocotillo Wells Vehicular Rec
Area, Agua Caliente, Campo Indian Reservation, Live Oak Springs,
Manzanita Indian Reservation and La Posta Indian Reservation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3264 11639 3343 11634 3342 11609 3308 11608
3307 11610 3269 11611
$$
Small2 follow-up statements
239
WGUS76 KSGX 120108
FFSSGX
Flash Flood Statement
National Weather Service San Diego CA
608 PM PDT WED JUL 11 2018
CAC073-120300-
/O.CON.KSGX.FF.W.0007.000000T0000Z-180712T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Diego CA-
608 PM PDT WED JUL 11 2018
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM PDT FOR
EASTERN SAN DIEGO COUNTY...
At 603 PM PDT, Doppler radar indicated thunderstorms continuing to
produce heavy rain across the warned area. Flash flooding will
still be possible until 800 PM.
Some locations that will experience likely flooding include...
Hwy 78 Between Borrego Springs Rd And Ocotillo Wells, Hwy 78 Between
S2 And Borrego Springs Rd, Borrego Springs, I-8 Between Boulevard And
Imperial County Line, I-8 Between Pine Valley And Boulevard, Hwy S22
Between Borrego Springs And Imperial County Line, Hwy S2 Vallecito
Creek Rd, Ocotillo Wells, Hwy S2 Between Canebrake And Imperial
County Line, Hwy S2 Between Agua Caliente And Canebrake, Fish Creek
Wash, Boulevard, Hwy S2 Between Shelter Valley And Agua Caliente,
Canebrake, Ocotillo Wells Vehicular Rec Area, Agua Caliente, Campo
Indian Reservation, Live Oak Springs, Manzanita Indian Reservation
and La Posta Indian Reservation.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.
A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.
&&
LAT...LON 3264 11639 3343 11634 3342 11609 3308 11608
3307 11610 3269 11611
$$
Small278
WGUS76 KSGX 120300
FFSSGX
Flash Flood Statement
National Weather Service San Diego CA
800 PM PDT WED JUL 11 2018
CAC073-120310-
/O.EXP.KSGX.FF.W.0007.000000T0000Z-180712T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
San Diego CA-
800 PM PDT WED JUL 11 2018
...THE FLASH FLOOD WARNING FOR EASTERN SAN DIEGO COUNTY HAS
EXPIRED...
The heavy rain has ended. Flooding is no longer expected to pose a
threat. Please continue to heed any remaining road closures.
LAT...LON 3264 11639 3343 11634 3342 11609 3308 11608
3307 11610 3269 11611
$$The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 6:33 PM PDT | Flash Flood Warning | SGX | Riverside | 117 min |
| Jul 11, 6:40 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 65 min |
| Jul 12, 11:51 AM PDT | Flash Flood Warning | SGX | Riverside, San Bernardino | 3 hr |
| Jul 12, 12:29 PM PDT | Areal Flood Advisory | SGX | San Bernardino | 3 hr |
| Jul 12, 12:54 PM PDT | Flash Flood Warning | SGX | San Bernardino | 3 hr |
| Jul 12, 1:09 PM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 47 min |
| Jul 12, 1:36 PM PDT | Flash Flood Warning | SGX | San Diego | 2 hr |
| Jul 12, 1:53 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 67 min |
Nearby
Flash Flood Warnings in California, 2018Every flash flood warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.