Flash Flood Warning 4, NWS Sacramento, CA

Issued

Jan 12, 1998, 2:16 PM PST (22:16 UTC)

Expired

Jan 12, 1998, 3:30 PM PST

In force

74 min

Issued by

NWS Sacramento, CA

Area

Whole counties

Counties Calaveras County, CA, Stanislaus County, CA

The Sacramento radar (KDAX), 105 km from the middle of the area, began a volume at 22:15 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.

000 
TTAA00 KSAC 122226
FFWSAC
CAC017-005-009-057-061-091-099-122330-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SACRAMENTO CA
216 PM PST MON JAN 12 1998

THE NATIONAL WEATHER SERVICE IN SACRAMENTO CA HAS ISSUED A FLASH
FLOOD WARNING EFFECTIVE UNTIL 330 PM PST FOR PEOPLE IN THE FOLLOWING
LOCATIONS...

IN NORTHERN CALIFORNIA

...WESTERN SIERRA
...WESTERN NEVADA COUNTY
...CENTRAL PLACER COUNTY
...WESTERN EL DORADO COUNTY

IN CENTRAL CALIFORNIA

  ...WESTERN AMADOR COUNTY
  ...WESTERN CALAVERAS COUNTY
  ...NORTHEASTERN STANISLAUS COUNTY

A BAND OF INTENSE RAIN IS MOVING INTO THE FOOTHILLS OF THE SIERRA
FROM WESTERN NEVADA THROUGH NORTHEASTERN STANISLAUS COUNTIES. 
RAINFALL RATES OF MORE THAN ONE-HALF INCHES PER HOUR ARE EXPECTED
WITH THE BAND.  STREAMS ALREADY SWOLLEN FROM PAST RAINS ARE EXPECTED
TO OVERFLOW IN MANY AREAS WITH MUDSLIDES POSSIBLE.

THIS BAND WILL MOVE THROUGH THE AREA QUICKLY. 

MORSE

NWS Sacramento, CA wrote its last area forecast discussion before this flash flood warning went out at Jan 12, 9:00 AM PST, 5 hours 16 minutes earlier.

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SACRAMENTO CA
900 AM PST MON JAN 12 1998

NO UPDATES PLANNED ATTM. INITIAL BAND OF PCPN AHEAD OF MAIN FRONT HAS
PUSHED INTO CENTRAL SAC VALLEY WITH MODERATE RAIN INTO SAC AND
FOOTHILLS. A BRIEF BREAK WILL BE SEEN THIS MORNING BEFORE THE MAIN
BAND ASSOCIATED WITH THE COLD FRONT MOVES THROUGH LATE THIS MORNING
AND AFTERNOON. PCPN ASSOCIATED WITH THIS JUST MOVING ONSHORE...BEING
PICKED UP BY KDAX OFF SFO. HEAVIEST AMOUNTS AGAIN TO BE IN FOOTHILLS
AND SIERRA WHERE 24 HOUR TOTALS FOR SUNDAY IN THE PLUS 2 INCH RANGE.
THE COLD FRONT TO BE THROUGH AREA BY 00Z THIS AFTERNOON. ANOTHER 1 TO
3 INCHES PROBABLE TODAY...HEAVIEST IN THE FEATHER BASIN.  WINTER
STORM WARNING CONTINUE IN SIERRA AND NORTHERN MOUNTAIN THROUGH THIS
EVENING WITH SNOW LEVELS DROPPING TODAY. RIGHT NOW RUNNING ABOVE 6000
FEET WITH BLU RECEIVING HEAVY RAIN PAST 2 HOURS. SNOW LEVELS DOWN TO
5000 FEET OR LOWER NORTH TONIGHT.

NEXT SYSTEM IN THE SERIES TO BEGIN TO AFFECT CWA TUESDAY
NIGHT...FOCUSING HEAVIER AMOUNTS A BIT FURTHER NORTH. TE.

.STO...WSW...WINTER STORM WARNING...MONDAY AND MONDAY NIGHT...
             ...ELEVATIONS ABOVE 5000 FEET FOR THE MOUNTAINS OF
             SHASTA COUNTY AND THE INTERIOR COASTAL RANGE FROM TEHAMA
             COUNTY TO NORTHERN LAKE COUNTY..ZNS 13 14 63
             ...ELEVATIONS ABOVE 5000 FEET FOR THE SIERRA NEVADA FROM
             LASSEN PARK SOUTH TO YOSEMITE NATIONAL PARK...ZNS 68 69

    ...FLS...URBAN AND SMALL STREAM FLOOD ADVISORY TODAY AND THIS
             EVENING...SACRAMENTO AND NORTHERN SAN JOAQUIN VALLEYS
             AND NORTHERN INTERIOR CALIFORNIA MOUNTAINS BELOW 5000
             FEET...ZNS 13 THRU 19..63..64..66..67

Flash Flood Warnings in California, 1998Every flash flood warning in 1998

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.