Alert archive / California / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 4, NWS Hanford, CA

October 25, 2021Kern County, Kings County, Tulare County, California

NWS Hanford, CA issued this severe thunderstorm warning at Oct 25, 2021, 4:04 PM PDT for Kern County, Kings County, Tulare County, California. It was in force for 26 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: Oct 25, 2021, 4:04 PM PDT (23:04 UTC)
Expired: Oct 25, 2021, 4:30 PM PDT
In force: 26 min
Issued by: NWS Hanford, CA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Kern County, CA, Kings County, CA, Tulare County, CA

The radar

The San Joaquin Valley radar (KHNX), 68 km from the middle of the area, began a volume at 23:07 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

Vandenberg AFB, CA (KVBG), launched 12:00Z, 11.1 hours before the alert went out and 136 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 511 m above ground
0-6 km bulk shear: 87 kt
0-1 km storm-relative helicity: 424 m²/s²
0-3 km storm-relative helicity: 537 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

207 
WUUS56 KHNX 252304
SVRHNX
CAC029-031-107-252330-
/O.NEW.KHNX.SV.W.0004.211025T2304Z-211025T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service San Joaquin Valley CA
404 PM PDT Mon Oct 25 2021

The National Weather Service in Hanford CA has issued a

* Severe Thunderstorm Warning for...
  Northwestern Kern County in central California...
  Southeastern Kings County in central California...
  Southwestern Tulare County in central California...

* Until 430 PM PDT.

* At 404 PM PDT, a severe thunderstorm was located 16 miles northwest
  of Wasco, or 22 miles west of Delano, moving southeast at 30 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Wasco and Lost Hills. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3577 11973 3592 11961 3559 11929 3547 11965
TIME...MOT...LOC 2304Z 329DEG 25KT 3569 11964 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Andersen

1 follow-up statement

195 
WWUS56 KHNX 252330
SVSHNX

Severe Weather Statement
National Weather Service San Joaquin Valley CA
430 PM PDT Mon Oct 25 2021

CAC029-031-107-252338-
/O.EXP.KHNX.SV.W.0004.000000T0000Z-211025T2330Z/
Kern CA-Kings CA-Tulare CA-
430 PM PDT Mon Oct 25 2021

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN KERN...
SOUTHEASTERN KINGS AND SOUTHWESTERN TULARE COUNTIES WILL EXPIRE AT
430 PM PDT...
    
The severe thunderstorm which prompted the warning has moved 
southward out of the warned area. Therefore, the warning will be 
allowed to expire.

Remember, a Tornado Warning still remains in effect for West Central 
Kern County until 445 PM PDT.

LAT...LON 3577 11973 3592 11961 3559 11929 3547 11965
TIME...MOT...LOC 2328Z 329DEG 25KT 3558 11956 

$$

Andersen

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 24, 11:40 PM PDT	Areal Flood Warning	HNX	Fresno, Madera, Mariposa, Tuolumne	14 hr
Oct 24, 11:46 PM PDT	Areal Flood Advisory	HNX	Fresno, Madera, Mariposa, Merced, Tuolumne	6 hr
Oct 25, 2:14 AM PDT	Areal Flood Advisory	HNX	Fresno, Kern, Kings, Madera, Tulare	16 hr
Oct 25, 2:35 AM PDT	Areal Flood Warning	HNX	Fresno, Tulare	12 hr
Oct 25, 3:23 AM PDT	Flash Flood Warning	HNX	Fresno	4 hr
Oct 25, 4:02 AM PDT	Flash Flood Warning Considerable damage threat	HNX	Fresno, Madera	12 hr
Oct 25, 5:52 AM PDT	Areal Flood Advisory	HNX	Fresno, Madera, Mariposa, Merced, Tuolumne	6 hr
Oct 25, 1:05 PM PDT	Special Weather Statement	HNX	Fresno, Madera	40 min
Oct 25, 1:45 PM PDT	Special Weather Statement	HNX	Fresno	45 min
Oct 25, 2:52 PM PDT	Special Weather Statement	HNX	Kings	38 min
Oct 25, 3:15 PM PDT	Special Weather Statement	HNX	Kings	45 min
Oct 25, 3:22 PM PDT	Special Weather Statement	HNX	Kings	38 min
Oct 25, 3:39 PM PDT	Areal Flood Advisory	HNX	Kern, Tulare	2 hr
Oct 25, 3:48 PM PDT	Special Weather Statement	HNX	Kings	42 min
Oct 25, 3:51 PM PDT	Special Weather Statement	HNX	Fresno	39 min
Oct 25, 4:15 PM PDT	Tornado Warning	HNX	Kern	30 min
Oct 25, 4:42 PM PDT	Severe Thunderstorm Warning	HNX	Kern	48 min

Nearby

Severe Thunderstorm Warnings in California, 2021 Every severe thunderstorm warning in 2021

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.