Alert archive / Washington / Severe Thunderstorm Warnings in 1996

Severe Thunderstorm Warning 2, NWS Seattle, WA

September 3, 1996Kitsap County, Washington

NWS Seattle, WA issued this severe thunderstorm warning at Sep 3, 1996, 5:11 PM PDT for Kitsap County, Washington. It was in force for 49 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: Sep 3, 1996, 5:11 PM PDT (00:11 UTC)
Expired: Sep 3, 1996, 6:00 PM PDT
In force: 49 min
Issued by: NWS Seattle, WA
Area: Whole counties

County Kitsap County, WA

The radar

The Seattle radar (KATX), 63 km from the middle of the area, began a volume at 00:14 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

Quillayute State, WA (KUIL), launched 00:00Z, 0.2 hours before the alert went out and 142 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 42 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 959 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSEA 040014
SVRSEA
WAC035-040100-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SEATTLE WA
511 PM PDT TUE SEP 3 1996
 
THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  600 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATION...
 
IN WESTERN WASHINGTON
 
   ...CENTRAL KITSAP COUNTY...
 
DOPPLER RADAR AT 510 PM SHOWS A THUNDERSTORM 5 MILES NORTHWEST OF
BREMERTON. THE STORM IS NEARLY STATIONARY. HEAVY RAIN...LARGE HAIL AND
DAMAGING WINDS ARE POSSIBLE WITH THIS STORM.
 
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.
 
FELTON

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.

In the hours before

Special weather statement, Sep 3, 3:39 PM PDT, 1 hour 32 minutes before

WAZ004-005-041200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SEATTLE WA
330 PM PDT TUE SEP 3 1996

...COOLER WEATHER WITH LOWERING SNOW LEVELS IN THE MOUNTAINS TONIGHT
AND WEDNESDAY...

A FALL LIKE WEATHER SYSTEM HAS MOVED INTO THE CASCADES THIS AFTERNOON
AND COOL...UNSTABLE AIR BEHIND IT WILL MOVE INLAND OVER THE STATE
TONIGHT AND WEDNESDAY.

THE MODERATE TO LOCALLY HEAVY RAINFALL ASSOCIATED WITH A PACIFIC COLD
FRONT OVER WESTERN WASHINGTON THIS MORNING HAS TAPERED OFF TO
OCCASIONAL SHOWERS AND EVEN ISOLATED THUNDERSTORMS DURING THE LATE
AFTERNOON.

COOLER AIR ALOFT BEHIND THE WEATHER FRONT WILL MOVE INTO WASHINGTON
STATE TONIGHT AND DROP SNOW LEVELS TO AROUND 5500 FEET IN THE
CASCADES AND OLYMPICS THROUGH WEDNESDAY.

MOUNTAIN CLIMBERS AND HIKERS IN THE WASHINGTON CASCADES AND OLYMPICS
SHOULD BE PREPARED FOR COLD WEATHER AS WELL AS POSSIBLE LIGHT SNOW
ACCUMULATIONS AT ELEVATIONS ABOVE ABOUT 5500 FEET TONIGHT AND
WEDNESDAY.

END/ART

Local storm report, Sep 3, 4:34 PM PDT, 37 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
530 PM PDT FRI AUG 2 1996

TIME(PST) CITY LOCATION       STATE     EVENT/SPOTTER/REMARKS
          COUNTY

530 PM    LAKE MARGARET        WA       HEAVY RAINFALL/KING 4
          KING                          .75 INCHES IN 30 MINUTES
                                        2 INCES IN 24 HOURS

Local storm report, Sep 3, 4:36 PM PDT, 35 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SEATTLE WA
430 PM PDT TUE SEP 3 1996

TIME(PST) CITY LOCATION       STATE     EVENT/SPOTTER/REMARKS
          COUNTY

425 PM    CLOVER DALE          WA       THUNDERSTORM/KITSAP 1H
          KITSAP                        THUNDERSTORM WITH HEAVY
                                        RAIN OVERHEAD.

Nearby

Severe Thunderstorm Warnings in Washington, 1996 Every severe thunderstorm warning in 1996

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.