Alert archive / California / Special Weather Statements in 2021
Special Weather Statement, NWS Hanford, CA
NWS Hanford, CA issued this special weather statement at Jun 30, 2021, 3:21 PM PDT. It was in force for 39 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
- Jun 30, 2021, 3:21 PM PDT (22:21 UTC)
- Expired
- Jun 30, 2021, 4:00 PM PDT
- In force
- 39 min
- Issued by
- NWS Hanford, CA
The radar
The San Joaquin Valley radar (KHNX), 125 km from the middle of the area, began a volume at 22:22 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
Reno, NV (KREV), launched 12:00Z, 10.4 hours before the alert went out and 258 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
- 49 J/kg
- Mixed-layer CIN
- -261 J/kg
- Mixed-layer LCL
- 2522 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -82 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
539 WWUS86 KHNX 302221 SPSHNX Special Weather Statement National Weather Service San Joaquin Valley CA 321 PM PDT Wed Jun 30 2021 CAZ192-193-302300- Central Sierra CA-North Kings River CA- 321 PM PDT Wed Jun 30 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL FRESNO COUNTY UNTIL 400 PM PDT... At 321 PM PDT, Doppler radar was tracking a strong thunderstorm 21 miles south of Mammouth Mountain, or 22 miles southwest of Mammoth Lakes, moving south at 10 mph. Penny size hail and wind gusts of 50 to 55 mph will be possible with this storm. Locations impacted include... Kaiser Point and Mount Tom. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 3744 11917 3741 11901 3726 11907 3730 11927 TIME...MOT...LOC 2221Z 011DEG 8KT 3736 11914 $$ ab
The office that day
Everything else NWS Hanford, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 30, 2:27 PM PDT | Special Weather Statement | HNX | Madera | 33 min |
| Jun 30, 2:51 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Madera | 24 min |
| Jun 30, 3:18 PM PDT | Severe Thunderstorm Warning | HNX | Fresno, Madera | 27 min |
| Jun 30, 3:23 PM PDT | Special Weather Statement | HNX | Mariposa | 52 min |
| Jun 30, 3:42 PM PDT | Areal Flood Advisory | HNX | Madera, Mariposa, Tuolumne | 2 hr |
| Jun 30, 3:51 PM PDT | Special Weather Statement | HNX | Madera | 24 min |
| Jun 30, 3:52 PM PDT | Special Weather Statement | HNX | Madera | 23 min |
Nearby
Special Weather Statements in California, 2021Every special weather statement 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.