Alert archive / Oregon / Tornado Warnings in 2016

Tornado Warning 3, NWS Pendleton, OR

June 8, 2016Umatilla County, Union County, Oregon

NWS Pendleton, OR issued this tornado warning at Jun 8, 2016, 2:35 PM PDT for Umatilla County, Union County, Oregon. It was in force for 40 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 8, 2016, 2:35 PM PDT (21:35 UTC)
Expired
Jun 8, 2016, 3:15 PM PDT
In force
40 min
Issued by
NWS Pendleton, OR
Area
Storm-based polygon

Counties Umatilla County, OR, Union County, OR

The radar

The Pendleton radar (KPDT), 63 km from the middle of the area, began a volume at 21:36 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 was reported inside it

TimeReportWhereRemark
Jun 8, 2:45 PM PDTHAIL 11 Ne Ukiah, ORQUARTER SIZE HAIL
Jun 8, 2:45 PM PDTHAIL 1Ene Ukiah, ORQUARTER SIZE HAIL

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 8, 2:07 PM PDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Boise Airport, ID (KBOI), launched 12:00Z, 9.6 hours before the alert went out and 283 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, Boise Airport, ID at 12:00Z on 2016-06-08Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Boise Airport, ID at 12:00Z on 2016-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.193958Sfc1 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
2706 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

731 
WFUS56 KPDT 082135
TORPDT
ORC059-061-082215-
/O.NEW.KPDT.TO.W.0003.160608T2135Z-160608T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE PENDLETON OR
235 PM PDT WED JUN 8 2016

THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A

* TORNADO WARNING FOR...
  WEST CENTRAL UNION COUNTY IN NORTHEASTERN OREGON...
  SOUTH CENTRAL UMATILLA COUNTY IN NORTHEASTERN OREGON...

* UNTIL 315 PM PDT
    
* AT 234 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED 8
  MILES NORTHWEST OF DALE...OR 30 MILES SOUTHEAST OF HEPPNER...AND
  MOVING NORTHEAST AT 30 MPH.

 IN ADDITION THIS STORM HAS A HISTORY OF PRODUCING GOLF BALL SIZE
 HAIL AND WINDS IN EXCESS OF 60 MPH.

* LOCATIONS IMPACTED INCLUDE...
  UKIAH AND LEHMAN HOT SPRINGS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4508 11916 4509 11914 4516 11915 4546 11884
      4524 11845 4499 11895 4500 11916
TIME...MOT...LOC 2134Z 220DEG 27KT 4506 11910 

$$
MJM
2 follow-up statements
085 
WWUS56 KPDT 082152
SVSPDT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENDLETON OR
252 PM PDT WED JUN 8 2016

ORC059-061-082215-
/O.CON.KPDT.TO.W.0003.000000T0000Z-160608T2215Z/
UNION OR-UMATILLA OR-
252 PM PDT WED JUN 8 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 315 PM PDT FOR WEST
CENTRAL UNION AND SOUTH CENTRAL UMATILLA COUNTIES...
    
AT 251 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED OVER UKIAH...
OR 31 MILES SOUTHEAST OF HEPPNER...MOVING NORTHEAST AT 30 MPH.

IN ADDITION THIS STORM HAS A HISTORY OF PRODUCING GOLF BALL SIZE
HAIL AND WIND GUSTS IN EXCESS OF 60 MPH.

LOCATIONS IMPACTED INCLUDE...
UKIAH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 4513 11900 4519 11912 4546 11884 4524 11845
      4509 11889
TIME...MOT...LOC 2151Z 220DEG 27KT 4516 11898 

$$

MJM
873 
WWUS56 KPDT 082213
SVSPDT

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PENDLETON OR
313 PM PDT WED JUN 8 2016

ORC059-061-082222-
/O.EXP.KPDT.TO.W.0003.000000T0000Z-160608T2215Z/
UNION OR-UMATILLA OR-
313 PM PDT WED JUN 8 2016

...THE TORNADO WARNING FOR WEST CENTRAL UNION AND SOUTH CENTRAL
UMATILLA COUNTIES WILL EXPIRE AT 315 PM PDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE. HOWEVER GUSTY WINDS ARE STILL POSSIBLE WITH THIS
THUNDERSTORM.

LAT...LON 4513 11900 4519 11912 4546 11884 4524 11845
      4509 11889
TIME...MOT...LOC 2206Z 220DEG 27KT 4516 11898 

$$

MJM

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 8, 12:58 PM PDTSpecial Weather StatementPDTWheeler32 min
Jun 8, 1:27 PM PDTSevere Thunderstorm WarningPDTGrant, Wheeler48 min
Jun 8, 1:49 PM PDTSpecial Weather StatementPDTWallowa26 min
Jun 8, 1:54 PM PDTTornado WarningPDTGrant, Morrow, Umatilla51 min

Nearby

Tornado Warnings in Oregon, 2016Every tornado warning in 2016Tornadoes in 2016

Sources

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