Alert archive / California / Tornado Warnings in 2024

Tornado Warning 2, NWS San Francisco Bay Area, CA

March 2, 2024Monterey County, California

NWS San Francisco Bay Area, CA issued this tornado warning at Mar 2, 2024, 6:18 PM PST for Monterey County, California. It was in force for 13 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: Mar 2, 2024, 6:18 PM PST (02:18 UTC)
Expired: Mar 2, 2024, 6:31 PM PST
In force: 13 min
Issued by: NWS San Francisco Bay Area, CA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Monterey County, CA

The radar

The San Francisco radar (KMUX), 37 km from the middle of the area, began a volume at 02:19 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

Oakland, CA (KOAK), launched 00:00Z, 2.3 hours before the alert went out and 107 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 36 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 936 m above ground
0-6 km bulk shear: 117 kt
0-1 km storm-relative helicity: 126 m²/s²
0-3 km storm-relative helicity: 199 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

609 
WFUS56 KMTR 030218
TORMTR
CAC053-030245-
/O.NEW.KMTR.TO.W.0002.240303T0218Z-240303T0245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service San Francisco CA
618 PM PST Sat Mar 2 2024

The National Weather Service in The San Francisco Bay Area has issued
a

* Tornado Warning for...
  Northwestern Monterey County in central California...

* Until 645 PM PST.

* At 618 PM PST, a severe thunderstorm capable of producing a tornado
  was located near Moss Landing, or near Watsonville, moving east at
  45 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.

* This dangerous storm will be near...
  Prunedale around 625 PM PST.

Other locations impacted by this tornadic thunderstorm include
Pajaro, Elkhorn, Las Lomas, and Aromas.

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 3678 12180 3681 12179 3682 12179 3684 12181
      3687 12180 3688 12179 3688 12177 3691 12175
      3691 12171 3692 12170 3691 12170 3690 12168
      3692 12166 3685 12163 3684 12160 3678 12153
      3677 12152
TIME...MOT...LOC 0218Z 259DEG 37KT 3684 12176 

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

$$

Flynn

1 follow-up statement

212 
WWUS56 KMTR 030231
SVSMTR

Severe Weather Statement
National Weather Service San Francisco CA
631 PM PST Sat Mar 2 2024

CAC053-030241-
/O.CAN.KMTR.TO.W.0002.000000T0000Z-240303T0245Z/
Monterey CA-
631 PM PST Sat Mar 2 2024

...THE TORNADO WARNING FOR NORTHWESTERN MONTEREY COUNTY IS
CANCELLED...

The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.

&&

LAT...LON 3678 12180 3681 12179 3682 12179 3684 12181
      3687 12180 3688 12179 3688 12177 3691 12175
      3691 12171 3692 12170 3691 12170 3690 12168
      3692 12166 3685 12163 3684 12160 3678 12153
      3677 12152
TIME...MOT...LOC 0229Z 259DEG 37KT 3687 12159 

$$

Flynn

The office that day

Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 2, 4:22 PM PST	Special Marine Warning	MTR		53 min
Mar 2, 4:24 PM PST	Special Weather Statement	MTR	San Benito	36 min
Mar 2, 4:36 PM PST	Areal Flood Advisory	MTR	Monterey, San Benito	3 hr
Mar 2, 5:01 PM PST	Special Marine Warning	MTR		59 min
Mar 2, 5:13 PM PST	Special Weather Statement	MTR	Santa Cruz	32 min
Mar 2, 5:30 PM PST	Special Marine Warning	MTR		60 min
Mar 2, 5:46 PM PST	Special Weather Statement	MTR	Santa Cruz	29 min
Mar 2, 6:07 PM PST	Areal Flood Advisory	MTR	Monterey, San Benito, Santa Clara, Santa Cruz	113 min
Mar 2, 6:14 PM PST	Tornado Warning	MTR	San Benito, Santa Cruz	19 min
Mar 2, 6:17 PM PST	Special Weather Statement	MTR	Santa Cruz	28 min
Mar 2, 6:29 PM PST	Tornado Warning	MTR	San Benito	31 min
Mar 2, 6:47 PM PST	Areal Flood Advisory	MTR	Monterey	3 hr
Mar 2, 6:54 PM PST	Special Weather Statement	MTR	San Benito	36 min
Mar 3, 2:13 AM PST	Frost Advisory	MTR	Marin, Napa, Sonoma	31 hr

Nearby

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