Alert archive / California / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 13, NWS Sacramento, CA
NWS Sacramento, CA issued this severe thunderstorm warning at Oct 2, 2016, 4:28 PM PDT for Butte County, Glenn County, Tehama County, California. It was in force for 47 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Oct 2, 2016, 4:28 PM PDT (23:28 UTC)
- Expired
- Oct 2, 2016, 5:15 PM PDT
- In force
- 47 min
- Issued by
- NWS Sacramento, CA
- Area
- Storm-based polygon
Counties Butte County, CA, Glenn County, CA, Tehama County, CA
The radar
The Beale AFB radar (KBBX), 35 km from the middle of the area, began a volume at 23:32 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 2, 4:48 PM PDT | HAIL 1 | Chico, CA | |
| Oct 2, 4:48 PM PDT | HAIL 1 | Chico, CA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Oakland, CA (KOAK), launched 12:00Z, 11.5 hours before the alert went out and 228 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 937 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- -49 m²/s²
- 0-3 km storm-relative helicity
- -25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
998 WUUS56 KSTO 022328 SVRSTO CAC007-021-103-030015- /O.NEW.KSTO.SV.W.0013.161002T2328Z-161003T0015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SACRAMENTO CA 428 PM PDT SUN OCT 2 2016 THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN GLENN COUNTY IN CENTRAL CALIFORNIA... SOUTH CENTRAL TEHAMA COUNTY IN NORTHERN CALIFORNIA... WEST CENTRAL BUTTE COUNTY IN NORTHERN CALIFORNIA... * UNTIL 515 PM PDT * AT 425 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL AND GUSTY OUTFLOW WINDS. THIS STORM WAS LOCATED NEAR NORD...AND MOVING EAST AT 30 MPH TOWARDS CHICO. * LOCATIONS IMPACTED INCLUDE... CHICO...PARADISE...DE SABLA POWERHOUSE...FOREST RANCH...RICHARDSON SPRINGS...NORD...MAGALIA...DURHAM AND HAMILTON CITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. && LAT...LON 3972 12203 3991 12204 3991 12163 3956 12153 TIME...MOT...LOC 2325Z 285DEG 33KT 3982 12191 $$ JHM
2 follow-up statements
706 WWUS56 KSTO 022346 SVSSTO SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SACRAMENTO CA 446 PM PDT SUN OCT 2 2016 CAC007-021-103-030015- /O.CON.KSTO.SV.W.0013.000000T0000Z-161003T0015Z/ GLENN CA-TEHAMA CA-BUTTE CA- 446 PM PDT SUN OCT 2 2016 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM PDT FOR NORTHEASTERN GLENN...SOUTH CENTRAL TEHAMA AND WEST CENTRAL BUTTE COUNTIES... AT 440 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE OR LARGER HAIL. THIS STORM WAS LOCATED NEAR CHICO... MOVING EAST-SOUTHEAST AT 20 MPH. RESIDENTS SHOULD PREPARE FOR LARGE HAIL AND HEAVY DOWNPOURS. LOCATIONS POSSIBLY IMPACTED INCLUDE... CHICO...PARADISE...DE SABLA POWERHOUSE...FOREST RANCH...RICHARDSON SPRINGS...NORD...MAGALIA...DURHAM AND HAMILTON CITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. && LAT...LON 3972 12203 3991 12204 3991 12163 3956 12153 TIME...MOT...LOC 2340Z 285DEG 33KT 3978 12174 $$ JHM
693
WWUS56 KSTO 030018
SVSSTO
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
518 PM PDT SUN OCT 2 2016
CAC007-021-103-030027-
/O.EXP.KSTO.SV.W.0013.000000T0000Z-161003T0015Z/
GLENN CA-TEHAMA CA-BUTTE CA-
518 PM PDT SUN OCT 2 2016
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GLENN...SOUTH
CENTRAL TEHAMA AND WEST CENTRAL BUTTE 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 SMALL HAIL
AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM AS IT MOVES
EAST-SOUTHEAST TOWARDS BUTTE...BIG BEND AND OROVILLE DAM.
LAT...LON 3972 12203 3991 12204 3991 12163 3956 12153
TIME...MOT...LOC 0012Z 285DEG 33KT 3978 12174
$$
JHMThe office that day
Everything else NWS Sacramento, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 2, 1:17 PM PDT | Special Weather Statement | STO | Sutter | 58 min |
| Oct 2, 1:50 PM PDT | Special Weather Statement | STO | Tehama | 55 min |
| Oct 2, 2:41 PM PDT | Severe Thunderstorm Warning | STO | Shasta, Tehama | 64 min |
| Oct 2, 2:52 PM PDT | Special Weather Statement | STO | Sacramento | 38 min |
| Oct 2, 2:59 PM PDT | Severe Thunderstorm Warning | STO | El Dorado, Placer, Sacramento | 46 min |
| Oct 2, 3:33 PM PDT | Special Weather Statement | STO | Tehama | 42 min |
| Oct 2, 4:16 PM PDT | Special Weather Statement | STO | Butte | 44 min |
Nearby
Severe Thunderstorm Warnings in California, 2016Every severe thunderstorm warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.