Alert archive / California / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 3, NWS Hanford, CA
NWS Hanford, CA issued this severe thunderstorm warning at Jun 30, 2021, 3:18 PM PDT for Fresno County, Madera County, California. It was in force for 27 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, 3:18 PM PDT (22:18 UTC)
- Expired
- Jun 30, 2021, 3:45 PM PDT
- In force
- 27 min
- Issued by
- NWS Hanford, CA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Fresno County, CA, Madera County, CA
The radar
The San Joaquin Valley radar (KHNX), 133 km from the middle of the area, began a volume at 22:18 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, 10.3 hours before the alert went out and 251 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.
575 WUUS56 KHNX 302218 SVRHNX CAC019-039-302245- /O.NEW.KHNX.SV.W.0003.210630T2218Z-210630T2245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service San Joaquin Valley CA 318 PM PDT Wed Jun 30 2021 The National Weather Service in Hanford CA has issued a * Severe Thunderstorm Warning for... East central Madera County in central California... North central Fresno County in central California... * Until 345 PM PDT. * At 318 PM PDT, a severe thunderstorm was located 18 miles east of Yosemite South Entrance, moving south at 10 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Clover Meadow Wilderness Office, Graveyard Meadow and Minarets. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3755 11936 3753 11919 3737 11918 3741 11944 TIME...MOT...LOC 2218Z 011DEG 8KT 3749 11930 HAIL...0.75IN WIND...60MPH $$ ab
1 follow-up statement
069
WWUS56 KHNX 302245
SVSHNX
Severe Weather Statement
National Weather Service San Joaquin Valley CA
345 PM PDT Wed Jun 30 2021
CAC019-039-302255-
/O.EXP.KHNX.SV.W.0003.000000T0000Z-210630T2245Z/
Madera CA-Fresno CA-
345 PM PDT Wed Jun 30 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MADERA AND NORTH
CENTRAL FRESNO COUNTIES HAS EXPIRED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire. However gusty
winds are still possible with this thunderstorm.
LAT...LON 3755 11936 3753 11919 3737 11918 3741 11944
TIME...MOT...LOC 2245Z 011DEG 8KT 3745 11931
$$
abThe 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, 3:21 PM PDT | Special Weather Statement | HNX | 39 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
Severe Thunderstorm Warnings in California, 2021Every 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.