Alert archive / California / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 3, NWS San Diego, CA
NWS San Diego, CA issued this severe thunderstorm warning at Jul 6, 2011, 1:15 PM PDT for San Bernardino County, California. It was in force for 45 min. 1 report 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 6, 2011, 1:15 PM PDT (20:15 UTC)
- Expired
- Jul 6, 2011, 2:00 PM PDT
- In force
- 45 min
- Issued by
- NWS San Diego, CA
- Area
- Storm-based polygon
County San Bernardino County, CA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 6, 1:30 PM PDT | TSTM WND DMG | 1 Sw Phelan, CA | LARGE BRANCHES DOWN FROM A MIMOSA TREE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Edwards AFB, CA (KEDW), launched 12:00Z, 8.3 hours before the alert went out and 48 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
- 26 J/kg
- Mixed-layer CIN
- -273 J/kg
- Mixed-layer LCL
- 2088 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 17 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
891
WUUS56 KSGX 062015
SVRSGX
CAC071-062100-
/O.NEW.KSGX.SV.W.0003.110706T2015Z-110706T2100Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SAN DIEGO CA
115 PM PDT WED JUL 6 2011
THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WEST CENTRAL SAN BERNARDINO COUNTY IN SOUTHERN CALIFORNIA...
* UNTIL 200 PM PDT
* AT 112 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 OVER
EXTREME WEST CENTRAL SAN BERNARDINO COUNTY...OR 8 MILES NORTH OF
WRIGHTWOOD...AND MOVING EAST AT 5 MPH. FLASH FLOODING IS ALSO
POSSIBLE FROM THIS THUNDERSTORM.
* THE SEVERE THUNDERSTORM WILL BE NEAR...
RURAL WESTERN SAN BERNARDINO COUNTY AT 130 PM PDT
&&
LAT...LON 3452 11741 3437 11766 3438 11766 3461 11768
3466 11763
TIME...MOT...LOC 2014Z 251DEG 5KT 3447 11761
$$
TARDY2 follow-up statements
649
WWUS56 KSGX 062037
SVSSGX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
137 PM PDT WED JUL 6 2011
CAC071-062100-
/O.CON.KSGX.SV.W.0003.000000T0000Z-110706T2100Z/
SAN BERNARDINO CA-
137 PM PDT WED JUL 6 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM PDT
FOR WEST CENTRAL SAN BERNARDINO COUNTY...
AT 128 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED 7 MILES NORTH OF PHELAN...OR 11 MILES NORTH OF WRIGHTWOOD...
MOVING NORTH AT 5 TO 10 MPH.
THIS THUNDERSTORM WILL PRODUCT 1 TO 1.5 INCHES OF RAINFALL AND HAS
THE POTENTIAL FOR FLASH FLOODING NEAR PHELAN.
THE SEVERE THUNDERSTORM WILL BE NEAR...
RURAL WESTERN SAN BERNARDINO COUNTY AT 150 PM PDT
LAT...LON 3452 11741 3437 11766 3438 11766 3461 11768
3466 11763
TIME...MOT...LOC 2036Z 195DEG 13KT 3455 11761
$$
TARDY981
WWUS56 KSGX 062105
SVSSGX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN DIEGO CA
205 PM PDT WED JUL 6 2011
CAC071-062113-
/O.EXP.KSGX.SV.W.0003.000000T0000Z-110706T2100Z/
SAN BERNARDINO CA-
205 PM PDT WED JUL 6 2011
...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL SAN BERNARDINO
COUNTY HAS EXPIRED...
A STRONG THUNDERSTORM REMAINS JUST NORTHWEST PHELAN.
HEAVY RAIN WILL CONTINUE TO CAUSE FLASH FLOODING...AND A FLASH
FLOOD WARNING REMAINS IN EFFECT.
LAT...LON 3452 11741 3437 11766 3438 11766 3461 11768
3466 11763
TIME...MOT...LOC 2037Z 195DEG 13KT 3455 11761
$$
TARDYThe office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 5:12 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 48 min |
| 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, 1:31 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.