Alert archive / California / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 9, NWS Sacramento, CA

March 4, 2009Glenn County, California

NWS Sacramento, CA issued this severe thunderstorm warning at Mar 4, 2009, 3:13 PM PST for Glenn County, California. It was in force for 47 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: Mar 4, 2009, 3:13 PM PST (23:13 UTC)
Expired: Mar 4, 2009, 4:00 PM PST
In force: 47 min
Issued by: NWS Sacramento, CA
Area: Storm-based polygon

County Glenn County, CA

The radar

The Beale AFB radar (KBBX), 66 km from the middle of the area, began a volume at 23:13 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 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 Mar 4, 9:30 AM PST, 5 hours 43 minutes earlier.

Area forecast discussion, Mar 4, 9:30 AM PST, 5 hours 43 minutes before

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Hazardous weather outlook, Mar 4, 5:45 AM PST, 9 hours 28 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SACRAMENTO CA
545 AM PST WED MAR 4 2009

CAZ013>019-063-064-066>069-051500-
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-
545 AM PST WED MAR 4 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA.

.DAY ONE...TODAY

PERIODS OF HEAVY SNOW WILL CONTINUE THIS MORNING ACROSS THE NORTHERN
SIERRA NEVADA AND EXTREME SOUTHERN CASCADE RANGE...ESPECIALLY TO THE
SOUTH OF INTERSTATE 80. THE SNOW IS EXPECTED TO TAPER OFF TO
OCCASIONAL SHOWERS BY LATE MORNING. IN THE VALLEY...ISOLATED TO
SCATTERED THUNDERSTORMS WILL OCCUR AGAIN THIS AFTERNOON WITH LARGE
AMOUNTS OF SMALL HAIL EXPECTED TO BE THE PRIMARY THREAT FROM ANY
STRONGER STORMS THAT DEVELOP.

* WINTER STORM WARNING.......SEE WWUS46 KSTO - WSWSTO FOR DETAILS *

.DAYS TWO THROUGH SEVEN... THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.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

In the hours before

Special weather statement, Mar 4, 11:30 AM PST, 3 hours 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SACRAMENTO CA
1130 AM PST WED MAR 04 2009

CAZ013>019-063-064-066>069-050300-
1130 AM PST WED MAR 04 2009

...RAIN AND SNOWFALL TOTALS THROUGHOUT INTERIOR NORTHERN CALIFORNIA
FROM SATURDAY FEB 24 THROUGH MONDAY MARCH 4...

A TROUGH OF LOW PRESSURE DEVELOPED OFF OF THE CALIFORNIA COAST THIS
WEEKEND...SENDING A SERIES OF SYSTEMS ACROSS NORTHERN CALIFORNIA
STARTING SATURDAY NIGHT AND CONTINUING THROUGH THIS MORNING.  THESE
SYSTEMS STARTED OUT ON THE WARM SIDE...WITH SNOW LEVELS PRIMARILY
RANGING ABOVE 6000 AND 7000 FEET.  COLDER AIR FINALLY MOVED INTO THE
REGION MONDAY NIGHT AND TUESDAY...WITH SNOW LEVELS FALLING TO
BETWEEN 2500 AND 3000 FEET BY TUESDAY EVENING.  THEREFORE...THE
MAJORITY OF THE PRECIPITATION FELL AS RAIN.  THE FOLLOWING ARE STORM
TOTALS AND LIQUID EQUIVALENTS FROM THESE STORMS...AND FINAL SNOW
DEPTHS REPORTED AT SOME OF THE RECORDING SITES.

...RAIN TOTALS FROM THE ASOS AND COOP OBSERVERS...

SHASTA DAM...........(EL 1075)......4.60
REDDING..............(EL 502).......0.94
RED BLUFF............(EL 349).......1.02
CHICO................(EL 238).......1.77
OROVILLE.............(EL 192).......1.94
PARADISE.............(EL 1750)......3.88
MARYSVILLE...........(EL 62)........1.85
KONOCTI..............(EL 2163)......4.88
SACRAMENTO...........(EL 25)........1.75
SACRAMENTO EXECUTIVE.(EL 21)........1.90
SACRAMENTO INTERNATIONAL.(EL 25)....2.08
VACAVILLE............(EL 113).......1.87
STOCKTON.............(EL 27)........0.52
MODESTO..............(EL 97)........0.45
GRASS VALLEY.........(EL 2500)......4.79
SUTTER HILL..........(EL 1300)......2.82
SAN ANDREAS..........(EL 1100)......2.41
SONORA...............(EL 1750)......4.36

...LIQUID EQUIVALENT TOTALS SINCE SATURDAY EVENING AND SNOW DEPTH
FROM THE ASOS AND COOP OBSERVERS...

BURNEY...............(EL 3158)......2.91 INCHES....T
QUINCY...............(EL 3408)......6.79 INCHES....7 INCHES
CHESTER..............(EL 4525)......4.14 INCHES....13 INCHES
MINERAL..............(EL 4875)......8.11 INCHES....18 INCHES
BLUE CANYON..........(EL 5280)......4.87 INCHES....60 INCHES

...RAIN TOTALS FROM THE COCORAHS AND SPOTTER OBSERVERS SINCE
SATURDAY EVENING...

STOCKTON 2.1NW.............(EL 7)...........0.92
STOCKTON 3.3SE.............(EL 23)..........0.87
SACRAMENTO 2.0SE...........(EL 34)..........2.05
STOCKTON 5.8NNE............(EL 35)..........1.15
TRACY 2.1W.................(EL 37)..........0.37
LODI 1.0NNW................(EL 43)..........1.28
CARMICHAEL 0.9S............(EL 108).........1.71
CARMICHAEL 1.4W............(EL 109).........1.94
CARMICHAEL 0.9NE...........(EL 130).........1.75
FOLSOM 2.4SW...............(EL 194).........1.92
FOLSOM 1.2SSE..............(EL 362).........2.09
COTTONWOOD 0.5NNE..........(EL 452).........1.06
LAKE OF THE PINES 4.7NWN...(EL 1510)........3.24
LAKE OF THE PINES 1.3NNW...(EL 1528)........3.60
LAKE OF THE PINES 1.0WSW...(EL 1576)........3.11
SIMS.......................(EL 1650).......13.84
ALTA SIERRA 2.3WSW.........(EL 1677)........4.09
SONORA 0.4W................(EL 1771)........4.09
ALTA SIERRA 1.3S...........(EL 2154)........3.51
ALTA SIERRA 0.4WSW.........(EL 2303)........3.75
GRASS VALLEY 2.4S..........(EL 2331)........4.10
GRASS VALLEY 0.6NNW........(EL 2661)........5.00
PACIFIC HOUSE..............(EL 3450)........7.46
SHINGLETOWN 5.3ENE.........(EL 3964)........3.86
KINGVALE 1.3WSW............(EL 6035)........8.51...SNOW...96 INCHES

...SKI AREAS...   SNOWFALL    LAST 24 HOURS    STORM TOTAL

SIERRA AT TAHOE.............36 TO 48 INCHES...53 INCHES
BOREAL......................34 TO 40 INCHES...57 TO 64 INCHES
KIRKWOOD....................43 TO 48 INCHES...53 TO 64 INCHES
SUGAR BOWL..................25 TO 37 INCHES...49 TO 68 INCHES

PALMER

Special weather statement, Mar 4, 11:30 AM PST, 3 hours 43 minutes before

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE SACRAMENTO CA
1130 AM PST WED MAR 04 2009

CAZ013>019-063-064-066>069-050300-
1130 AM PST WED MAR 04 2009

...RAIN AND SNOWFALL TOTALS THROUGHOUT INTERIOR NORTHERN CALIFORNIA
FROM SATURDAY FEBRUARY 28 THROUGH WEDNESDAY MARCH 4...

A TROUGH OF LOW PRESSURE DEVELOPED OFF OF THE CALIFORNIA COAST THIS
WEEKEND...SENDING A SERIES OF SYSTEMS ACROSS NORTHERN CALIFORNIA
STARTING SATURDAY NIGHT AND CONTINUING THROUGH THIS MORNING.  THESE
SYSTEMS STARTED OUT ON THE WARM SIDE...WITH SNOW LEVELS PRIMARILY
RANGING ABOVE 6000 AND 7000 FEET.  COLDER AIR FINALLY MOVED INTO THE
REGION MONDAY NIGHT AND TUESDAY...WITH SNOW LEVELS FALLING TO
BETWEEN 2500 AND 3000 FEET BY TUESDAY EVENING.  THEREFORE...THE
MAJORITY OF THE PRECIPITATION FELL AS RAIN.  THE FOLLOWING ARE STORM
TOTALS AND LIQUID EQUIVALENTS FROM THESE STORMS...AND FINAL SNOW
DEPTHS REPORTED AT SOME OF THE RECORDING SITES.

...RAIN TOTALS FROM THE ASOS AND COOP OBSERVERS...

SHASTA DAM...........(EL 1075)......4.60
REDDING..............(EL 502).......0.94
RED BLUFF............(EL 349).......1.02
CHICO................(EL 238).......1.77
OROVILLE.............(EL 192).......1.94
PARADISE.............(EL 1750)......3.88
MARYSVILLE...........(EL 62)........1.85
KONOCTI..............(EL 2163)......4.88
SACRAMENTO...........(EL 25)........1.75
SACRAMENTO EXECUTIVE.(EL 21)........1.90
SACRAMENTO INTERNATIONAL.(EL 25)....2.08
VACAVILLE............(EL 113).......1.87
STOCKTON.............(EL 27)........0.52
MODESTO..............(EL 97)........0.45
GRASS VALLEY.........(EL 2500)......4.79
SUTTER HILL..........(EL 1300)......2.82
SAN ANDREAS..........(EL 1100)......2.41
SONORA...............(EL 1750)......4.36

...LIQUID EQUIVALENT TOTALS SINCE SATURDAY EVENING AND SNOW DEPTH
FROM THE ASOS AND COOP OBSERVERS...

BURNEY...............(EL 3158)......2.91 INCHES....T
QUINCY...............(EL 3408)......6.79 INCHES....7 INCHES
CHESTER..............(EL 4525)......4.14 INCHES....13 INCHES
MINERAL..............(EL 4875)......8.11 INCHES....18 INCHES
BLUE CANYON..........(EL 5280)......4.87 INCHES....60 INCHES

...RAIN TOTALS FROM THE COCORAHS AND SPOTTER OBSERVERS SINCE
SATURDAY EVENING...

STOCKTON 2.1NW.............(EL 7)...........0.92
STOCKTON 3.3SE.............(EL 23)..........0.87
SACRAMENTO 2.0SE...........(EL 34)..........2.05
STOCKTON 5.8NNE............(EL 35)..........1.15
TRACY 2.1W.................(EL 37)..........0.37
LODI 1.0NNW................(EL 43)..........1.28
CARMICHAEL 0.9S............(EL 108).........1.71
CARMICHAEL 1.4W............(EL 109).........1.94
CARMICHAEL 0.9NE...........(EL 130).........1.75
FOLSOM 2.4SW...............(EL 194).........1.92
FOLSOM 1.2SSE..............(EL 362).........2.09
COTTONWOOD 0.5NNE..........(EL 452).........1.06
LAKE OF THE PINES 4.7NWN...(EL 1510)........3.24
LAKE OF THE PINES 1.3NNW...(EL 1528)........3.60
LAKE OF THE PINES 1.0WSW...(EL 1576)........3.11
SIMS.......................(EL 1650).......13.84
ALTA SIERRA 2.3WSW.........(EL 1677)........4.09
SONORA 0.4W................(EL 1771)........4.09
ALTA SIERRA 1.3S...........(EL 2154)........3.51
ALTA SIERRA 0.4WSW.........(EL 2303)........3.75
GRASS VALLEY 2.4S..........(EL 2331)........4.10
GRASS VALLEY 0.6NNW........(EL 2661)........5.00
PACIFIC HOUSE..............(EL 3450)........7.46
SHINGLETOWN 5.3ENE.........(EL 3964)........3.86
KINGVALE 1.3WSW............(EL 6035)........8.51...SNOW...96 INCHES

...SKI AREAS...   SNOWFALL    LAST 24 HOURS    STORM TOTAL

SIERRA AT TAHOE.............36 TO 48 INCHES...53 INCHES
BOREAL......................34 TO 40 INCHES...57 TO 64 INCHES
KIRKWOOD....................43 TO 48 INCHES...53 TO 64 INCHES
SUGAR BOWL..................25 TO 37 INCHES...49 TO 68 INCHES

PALMER

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 3, 5:34 PM PST	Severe Thunderstorm Warning	STO	Butte, Glenn, Tehama	26 min
Mar 4, 2:37 PM PST	Severe Thunderstorm Warning	STO	Shasta, Tehama	23 min
Mar 4, 2:44 PM PST	Severe Thunderstorm Warning	STO	Glenn	31 min
Mar 4, 2:59 PM PST	Severe Thunderstorm Warning	STO	Shasta, Tehama	31 min
Mar 4, 3:23 PM PST	Severe Thunderstorm Warning	STO	Shasta, Tehama	37 min
Mar 4, 3:59 PM PST	Severe Thunderstorm Warning	STO	Glenn	46 min

Nearby

Severe Thunderstorm Warnings in California, 2009 Every severe thunderstorm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.