Alert archive / Oregon / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 13, NWS Medford, OR

June 7, 2016Lake County, Oregon

NWS Medford, OR issued this severe thunderstorm warning at Jun 7, 2016, 8:56 PM PDT for Lake County, Oregon. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 7, 2016, 8:56 PM PDT (03:56 UTC)
Expired
Jun 7, 2016, 9:30 PM PDT
In force
34 min
Issued by
NWS Medford, OR
Area
Storm-based polygon

County Lake County, OR

The radar

The Medford radar (KMAX), 219 km from the middle of the area, began a volume at 03:57 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

Medford/Jackson, OR (KMFR), launched 00:00Z, 3.9 hours before the alert went out and 206 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, Medford/Jackson, OR at 00:00Z on 2016-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1189 joules per kilogram.LCLLFCEL10008507005003002001001 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, Medford/Jackson, OR at 00:00Z on 2016-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
1189 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
2603 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.9

Open this sounding in Storm Lab

The text

As transmitted.

371 
WUUS56 KMFR 080356
SVRMFR
ORC037-080430-
/O.NEW.KMFR.SV.W.0013.160608T0356Z-160608T0430Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEDFORD OR
856 PM PDT TUE JUN 7 2016

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL LAKE COUNTY IN SOUTH CENTRAL OREGON...

* UNTIL 930 PM PDT

* AT 855 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED
  OVER CRACK IN THE GROUND...OR 18 MILES EAST OF SILVER LAKE...AND
  MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CRACK IN THE GROUND AND CHRISTMAS VALLEY SAND DUNES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 4315 12074 4330 12086 4354 12044 4331 12025
TIME...MOT...LOC 0355Z 238DEG 26KT 4330 12064 

$$

CC
1 follow-up statement
573 
WWUS56 KMFR 080422
SVSMFR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEDFORD OR
922 PM PDT TUE JUN 7 2016

ORC037-080432-
/O.EXP.KMFR.SV.W.0013.000000T0000Z-160608T0430Z/
LAKE OR-
922 PM PDT TUE JUN 7 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL LAKE COUNTY WILL
EXPIRE AT 930 PM PDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4315 12074 4330 12086 4354 12044 4331 12025
TIME...MOT...LOC 0421Z 238DEG 26KT 4330 12064 

$$

CC

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 5:22 PM PDTSpecial Weather StatementMFRLake23 min
Jun 7, 7:22 PM PDTSpecial Weather StatementMFRLake23 min
Jun 7, 8:08 PM PDTSevere Thunderstorm WarningMFRLake37 min
Jun 7, 8:47 PM PDTSpecial Weather StatementMFR43 min

Nearby

Severe Thunderstorm Warnings in Oregon, 2016Every severe thunderstorm warning 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.