Alert archive / Washington / Tornado Warnings in 2000

Tornado Warning 2, NWS Pendleton, OR

May 15, 2000Yakima County, Washington

NWS Pendleton, OR issued this tornado warning at May 15, 2000, 5:52 PM PDT for Yakima County, Washington. It was in force for 33 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
May 15, 2000, 5:52 PM PDT (00:52 UTC)
Expired
May 15, 2000, 6:25 PM PDT
In force
33 min
Issued by
NWS Pendleton, OR
Area
Whole counties

County Yakima County, WA

The radar

The Pendleton radar (KPDT), 169 km from the middle of the area, began a volume at 00:54 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

Salem/Mcnary, OR (KSLE), launched 00:00Z, 0.9 hours before the alert went out and 245 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-pSkew-T log-p diagram, Salem/Mcnary, OR at 00:00Z on 2000-05-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Salem/Mcnary, OR at 00:00Z on 2000-05-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -17 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1579 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
-17 m²/s²
0-3 km storm-relative helicity
78 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 
WFUS56 KPDT 160053
TORPDT
WAC077-160125-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTED
NATIONAL WEATHER SERVICE PENDLETON OR
552 PM PDT MON MAY 15 2000

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A

* TORNADO WARNING FOR...
  CENTRAL AND NORTH CENTRAL YAKIMA COUNTY IN SOUTH CENTRAL
  WASHINGTON
  
* UNTIL 625 PM PDT

* AT 550 PM PDT... LAW ENFORCEMENT REPORTED A TORNADO 12 MILES
SOUTHEAST OF YAKIMA OR IN THE VICINITY OF ZILLAH...
MOVING SOUTHWEST  AT 15 MPH.

* SOME LOCATIONS IN THE PATH OF THIS TORNADO FROM 550 PM PDT TO
625 PM PDT ARE...
WAPATO                       AROUND 558 PM PDT
HARRAH                       AROUND 620 PM PDT

A TORNADO IS ON THE GR*OUND! GO TO THE BASEMENT! IF A BASEMENT IS
NOT AVAILABLE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR!

DI/MJB


&

The office that day

Everything else NWS Pendleton, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 15, 5:47 PM PDTTornado WarningPDTYakima33 min
May 15, 6:51 PM PDTSevere Thunderstorm WarningPDTFranklin34 min
May 15, 7:24 PM PDTSevere Thunderstorm WarningPDTBenton, Franklin36 min

Nearby

Tornado Warnings in Washington, 2000Every tornado warning in 2000Tornadoes in 2000

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.