Alert archive / California / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 2, NWS San Diego, CA
NWS San Diego, CA issued this severe thunderstorm warning at Jul 5, 2011, 5:12 PM PDT for San Diego County, California. It was in force for 48 min. 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 5, 2011, 5:12 PM PDT (00:12 UTC)
- Expired
- Jul 5, 2011, 6:00 PM PDT
- In force
- 48 min
- Issued by
- NWS San Diego, CA
- Area
- Storm-based polygon
County San Diego County, CA
The radar
The San Diego radar (KNKX), 72 km from the middle of the area, began a volume at 00:12 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, 0.2 hours before the alert went out and 84 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
- 1564 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 73 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
703
WUUS56 KSGX 060012
SVRSGX
CAC073-060100-
/O.NEW.KSGX.SV.W.0002.110706T0012Z-110706T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
512 PM PDT TUE JUL 5 2011
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN SAN DIEGO COUNTY IN SOUTHWEST CALIFORNIA...
* UNTIL 600 PM PDT
* AT 505 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 17
MILES SOUTHEAST OF MOUNT LAGUNA...OR 5 MILES NORTH OF
BOULEVARD...AND MOVING NORTHWEST AT 15 MPH. OTHER SEVERE
THUNDERSTORMS OVER EXTREME NORTHERN BAJA CALIFORNIA ARE EXPECTED
TO MOVE NORTHWEST TOWARDS TIERRA DEL SOL AND CAMPO.
* THE SEVERE THUNDERSTORMS WILL BE NEAR...
MOUNT LAGUNA...CAMPO AND PINE VALLEY BY 600 PM PDT...
&&
LAT...LON 3289 11668 3293 11630 3266 11609 3262 11610
3261 11611 3260 11620 3261 11623 3260 11626
3258 11650
TIME...MOT...LOC 0010Z 129DEG 13KT 3268 11626
$$
MAXWELL2 follow-up statements
595
WWUS56 KSGX 060017
SVSSGX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
517 PM PDT TUE JUL 5 2011
CAC073-060100-
/O.CON.KSGX.SV.W.0002.000000T0000Z-110706T0100Z/
SAN DIEGO CA-
517 PM PDT TUE JUL 5 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM PDT
FOR SOUTHEASTERN SAN DIEGO COUNTY...
AT 515 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR BOULEVARD...OR 5 MILES NORTH OF BOULEVARD...MOVING
NORTHWEST AT 15 MPH. THIS STORM WILL IMPACT INTERSTATE 8 BETWEEN
LIVE OAK SPRINGS AND JACUMBA THROUGH 545 PM AND BETWEEN LIVE OAK
SPRINGS AND PINE VALLEY BETWEEN 530 PM AND 600 PM.
OTHER STORMS OVER EXTREME NORTHERN BAJA CALIFORNIA WILL MOVE
NORTHWEST AT 15 MPH TOWARDS TIERRA DEL SOL BY 530 PM AND CAMPO BY
600 PM. THIS WILL IMPACT HIGHWAY 94 FROM CAMPO EAST TO INTERSTATE 8.
THE SEVERE THUNDERSTORM WILL BE NEAR...
LIVE OAK SPRINGS BY 525 PM PDT...
TIERRA DEL SOL BY 530 PM PDT...
8 MILES NORTHEAST OF MORENA VILLAGE BY 555 PM PDT...
PINE VALLEY AND MOUNT LAGUNA AND CAMPO BY 600 PM PDT...
LAT...LON 3289 11668 3293 11630 3266 11609 3262 11610
3261 11611 3260 11620 3261 11623 3260 11626
3258 11650
TIME...MOT...LOC 0014Z 129DEG 13KT 3267 11629
$$
MAXWELL282
WWUS56 KSGX 060056
SVSSGX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
556 PM PDT TUE JUL 5 2011
CAC073-060105-
/O.EXP.KSGX.SV.W.0002.000000T0000Z-110706T0100Z/
SAN DIEGO CA-
556 PM PDT TUE JUL 5 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SAN DIEGO COUNTY
WILL EXPIRE AT 600 PM PDT...
THUNDERSTORMS CONTINUED OVER SOUTHEASTERN SAN DIEGO COUNTY...BUT
THEY HAD WEAKENED SINCE 530 PM. PEA SIZED HAIL AND LOCAL WIND GUSTS
TO 50 MPH WILL BE POSSIBLE AS THE THUNDERSTORMS MOVE INTO POTRERO
AND PINE VALLEY SHORTLY AFTER 600 PM.
LAT...LON 3289 11668 3293 11630 3266 11609 3262 11610
3261 11611 3260 11620 3261 11623 3260 11626
3258 11650
TIME...MOT...LOC 0055Z 129DEG 13KT 3275 11644
$$
MAXWELLThe office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 12:14 PM PDT | Special Weather Statement | SGX | San Diego | 61 min |
| Jul 6, 12:52 PM PDT | Flash Flood Warning | SGX | San Bernardino | 100 min |
| Jul 6, 12:55 PM PDT | Flash Flood Warning | SGX | San Diego | 50 min |
| Jul 6, 1:01 PM PDT | Flash Flood Watch | SGX | Riverside, San Bernardino, San Diego | 7 hr |
| Jul 6, 1:15 PM PDT | Severe Thunderstorm Warning | SGX | San Bernardino | 45 min |
| Jul 6, 1:31 PM PDT | Flash Flood Warning | SGX | Riverside, San Diego | 59 min |
| Jul 6, 1:48 PM PDT | Flash Flood Warning | SGX | San Bernardino | 87 min |
| Jul 6, 2:48 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 42 min |
| Jul 6, 2:56 PM PDT | Areal Flood Advisory | SGX | Riverside, San Bernardino | 2 hr |
| Jul 6, 4:00 PM PDT | Areal Flood Advisory | SGX | Riverside, San Bernardino | 90 min |
| Jul 6, 4:27 PM PDT | Special Weather Statement | SGX | San Diego | 63 min |
Nearby
Severe Thunderstorm Warnings in California, 2011Every severe thunderstorm warning in 2011
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.