Alert archive / California / Severe Thunderstorm Warnings in 2006
Severe Thunderstorm Warning 22, NWS Sacramento, CA
NWS Sacramento, CA issued this severe thunderstorm warning at Apr 14, 2006, 3:37 PM PDT for Stanislaus County, California. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 14, 2006, 3:37 PM PDT (22:37 UTC)
- Expired
- Apr 14, 2006, 4:15 PM PDT
- In force
- 38 min
- Issued by
- NWS Sacramento, CA
- Area
- Counties, with a storm outline in the text
County Stanislaus County, CA
The radar
The San Francisco radar (KMUX), 91 km from the middle of the area, began a volume at 22:39 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, 10.6 hours before the alert went out and 318 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
- 900 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Sacramento, CA wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 14, 9:00 AM PDT, 6 hours 37 minutes earlier.
Area forecast discussion, Apr 14, 9:00 AM PDT, 6 hours 37 minutes before
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</html>Hazardous weather outlook, Apr 14, 7:00 AM PDT, 8 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SACRAMENTO CA 700 AM PDT FRI APR 14 2006 CAZ013>019-063-064-066>069-151400- SHASTA LAKE AREA/NORTHERN SHASTA COUNTY- BURNEY BASIN/EASTERN SHASTA COUNTY-NORTHERN SACRAMENTO VALLEY- CENTRAL SACRAMENTO VALLEY-SOUTHERN SACRAMENTO VALLEY- CARQUINEZ STRAIT AND DELTA-NORTHERN SAN JOAQUIN VALLEY- MOUNTAINS SOUTHWESTERN SHASTA TO NORTHERN LAKE COUNTIES- CLEAR LAKE/SOUTHERN LAKE COUNTY-MOTHERLODE- EAST FOOTHILLS/NORTH SACRAMENTO VALLEY- WESTERN PLUMAS COUNTY/LASSEN PARK-WEST SLOPE NORTHERN SIERRA NEVADA- 700 AM PDT FRI APR 14 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA. .DAY ONE...TODAY RUNOFF FROM RAINS EARLIER THIS WEEK COMBINED WITH RELEASES FROM AREA DAMS HAS BROUGHT THE SACRAMENTO AND SAN JOAQUIN RIVER SYSTEMS TO FLOOD STAGE AT SEVERAL LOCATIONS...OTHERWISE NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. * FLOOD WATCH..................SEE WGUS66 KSTO - FFASTO FOR DETAILS * * RIVER FLOOD STATEMENT........SEE WGUS86 KSTO - FLSUSA FOR DETAILS * * RIVER FLOOD STATEMENT........SEE WGUS86 KSTO - FLSLSC FOR DETAILS * * RIVER FLOOD STATEMENT........SEE WGUS86 KSTO - FLSLSJ FOR DETAILS * .DAYS TWO THROUGH SEVEN... SATURDAY THROUGH THURSDAY A COLD PACIFIC FRONTAL SYSTEM WILL BE MOVING INTO NORTHERN CALIFORNIA SATURDAY AFTERNOON AND MOVING THROUGH THE NORTH STATE SATURDAY NIGHT AND SUNDAY. THIS SYSTEM WILL BRING MODERATE RAIN AND MOUNTAIN SNOWFALL WITH RELATIVELY LOW SNOW LEVELS. DRIER WEATHER IS EXPECTED MONDAY THROUGH THURSDAY. ALSO...RIVER LEVELS WILL REMAIN HIGH. * FLOOD WATCH................SEE WGUS66 KSTO - FFASTO FOR DETAILS * * WINTER STORM WATCH.........SEE WWUS46 KSTO - WSWSTO FOR DETAILS * .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS TO THEIR LOCAL NATIONAL WEATHER SERVICE OFFICE. THE LATEST WEATHER INFORMATION IS AVAILABLE ON THE INTERNET AT (LOWER CASE): HTTP://WWW.WRH.NOAA.GOV/STO
The office that day
Everything else NWS Sacramento, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 4:49 AM PDT | Winter Storm Watch | STO | 18 hr | |
| Apr 14, 3:37 PM PDT | Severe Thunderstorm Warning | STO | Stanislaus | 38 min |
| Apr 14, 4:44 PM PDT | Severe Thunderstorm Warning | STO | Amador, Calaveras | 51 min |
Nearby
Severe Thunderstorm Warnings in California, 2006Every severe thunderstorm warning in 2006
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.