Alert archive / California / Tornado Warnings in 2024

Tornado Warning 2, NWS San Diego, CA

February 6, 2024San Diego County, California

NWS San Diego, CA issued this tornado warning at Feb 6, 2024, 12:00 PM PST for San Diego County, California. It was in force for 7 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
Feb 6, 2024, 12:00 PM PST (20:00 UTC)
Expired
Feb 6, 2024, 12:07 PM PST
In force
7 min
Issued by
NWS San Diego, CA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County San Diego County, CA

The radar

The San Diego radar (KNKX), 18 km from the middle of the area, began a volume at 20:05 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 12:00Z, 8.0 hours before the alert went out and 23 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.

Skew-T log-pSkew-T log-p diagram, San Diego, CA at 12:00Z on 2024-02-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, San Diego, CA at 12:00Z on 2024-02-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 13 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
630 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
13 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

228 
WFUS56 KSGX 062000
TORSGX
CAC073-062045-
/O.NEW.KSGX.TO.W.0002.240206T2000Z-240206T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service San Diego CA
1200 PM PST Tue Feb 6 2024

The National Weather Service in San Diego has issued a

* Tornado Warning for...
  South central San Diego County in southwestern California...

* Until 1245 PM PST.
    
* At 1200 PM PST, a severe thunderstorm capable of producing a
  tornado was located over El Cajon, moving northeast at 35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  El Cajon, La Mesa, Tierrasanta, Santee, Lemon Grove, Rancho San
  Diego, Spring Valley, Crest, Lakeside, La Presa, Lake Murray,
  Bonita, Winter Gardens, Harbison Canyon, Granite Hills, Bostonia,
  Casa De Oro-Mount Helix, Jamacha Lomita, and Flinn Springs.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3270 11697 3272 11705 3286 11702 3286 11680
TIME...MOT...LOC 2000Z 214DEG 30KT 3280 11697 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Adams
1 follow-up statement
554 
WWUS56 KSGX 062007 RRA
SVSSGX

Severe Weather Statement
National Weather Service San Diego CA
1207 PM PST Tue Feb 6 2024

CAC073-062017-
/O.CAN.KSGX.TO.W.0002.000000T0000Z-240206T2045Z/
San Diego CA-
1207 PM PST Tue Feb 6 2024

...THE TORNADO WARNING FOR SOUTH CENTRAL SAN DIEGO COUNTY IS
CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.

LAT...LON 3270 11697 3272 11705 3286 11702 3286 11680
TIME...MOT...LOC 2006Z 214DEG 30KT 3284 11694 

$$

EA

The office that day

Everything else NWS San Diego, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 5, 4:49 PM PSTAreal Flood AdvisorySGXSan Diego6 hr
Feb 5, 5:49 PM PSTAreal Flood AdvisorySGXRiverside, San Diego8 hr
Feb 5, 9:33 PM PSTFlash Flood WarningSGXOrange, Riverside, San Diego117 min
Feb 5, 11:35 PM PSTAreal Flood AdvisorySGXSan Diego8 hr
Feb 6, 2:06 AM PSTAreal Flood AdvisorySGXOrange, Riverside11 hr
Feb 6, 2:12 AM PSTAreal Flood AdvisorySGXRiverside, San Bernardino8 hr
Feb 6, 2:15 AM PSTAreal Flood AdvisorySGXSan Diego5 hr
Feb 6, 4:03 AM PSTWinter Weather AdvisorySGXSan Diego22 hr
Feb 6, 4:28 AM PSTRiver Flood WarningSGXSan Diego53 hr
Feb 6, 7:42 AM PSTFlash Flood Warning Considerable damage threatSGXOrange4 hr
Feb 6, 9:28 AM PSTAreal Flood AdvisorySGXSan Diego5 hr
Feb 6, 9:35 AM PSTAreal Flood AdvisorySGXSan Diego5 hr
Feb 6, 9:46 AM PSTAreal Flood AdvisorySGXRiverside, San Bernardino5 hr
Feb 6, 9:55 AM PSTFlash Flood Warning Considerable damage threatSGXOrange, Riverside, San Diego3 hr
Feb 6, 10:14 AM PSTSpecial Marine WarningSGX31 min
Feb 6, 11:02 AM PSTSpecial Marine WarningSGX28 min
Feb 6, 11:24 AM PSTSpecial Marine WarningSGX36 min
Feb 6, 11:30 AM PSTSpecial Weather StatementSGXSan Diego30 min
Feb 6, 11:40 AM PSTSpecial Weather StatementSGXSan Diego35 min
Feb 6, 11:44 AM PSTTornado WarningSGXSan Diego31 min
Feb 6, 12:19 PM PSTSpecial Weather StatementSGXSan Diego26 min
Feb 6, 12:25 PM PSTAreal Flood AdvisorySGXRiverside2 hr
Feb 6, 1:06 PM PSTSmall Craft AdvisorySGX45 hr
Feb 6, 3:52 PM PSTAreal Flood AdvisorySGXOrange, Riverside3 hr

Nearby

Tornado Warnings in California, 2024Every tornado warning in 2024Tornadoes in 2024

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.