Alert archive / Oregon / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 2, NWS Boise, ID

June 3, 2021Harney County, Oregon

NWS Boise, ID issued this severe thunderstorm warning at Jun 3, 2021, 3:00 PM PDT for Harney County, Oregon. It was in force for 45 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 3, 2021, 3:00 PM PDT (22:00 UTC)
Expired: Jun 3, 2021, 3:45 PM PDT
In force: 45 min
Issued by: NWS Boise, ID
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Harney County, OR

The radar

The Boise radar (KCBX), 235 km from the middle of the area, began a volume at 22:01 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

Boise Airport, ID (KBOI), launched 12:00Z, 10.0 hours before the alert went out and 240 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3029 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -13 m²/s²
0-3 km storm-relative helicity: -15 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

509 
WUUS55 KBOI 032200
SVRBOI
ORC025-032245-
/O.NEW.KBOI.SV.W.0002.210603T2200Z-210603T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Boise ID
300 PM PDT Thu Jun 3 2021

The National Weather Service in Boise has issued a

* Severe Thunderstorm Warning for...
  Central Harney County in southeastern Oregon...

* Until 345 PM PDT..

* At 259 PM PDT, a severe thunderstorm was located near Butler Hill,
  or 55 miles south of Burns, moving north at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* This severe thunderstorm will be near...
  Frenchglen and Walls Lake Reservoir around 310 PM PDT.
  Baca Lake around 330 PM PDT.
  Buena Vista Field Station around 340 PM PDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

When safe to do so, please relay storm reports to the National
Weather Service in Boise via local law enforcement, or National
Weather Service Boise Facebook and Twitter accounts.

&&

LAT...LON 4268 11896 4272 11920 4318 11915 4312 11878
TIME...MOT...LOC 2159Z 191DEG 23KT 4278 11907 

HAIL...1.00IN
WIND...60MPH
 
$$

DG

1 follow-up statement

933 
WWUS55 KBOI 032236
SVSBOI

Severe Weather Statement
National Weather Service Boise ID
336 PM PDT Thu Jun 3 2021

ORC025-032246-
/O.EXP.KBOI.SV.W.0002.000000T0000Z-210603T2245Z/
Harney OR-
336 PM PDT Thu Jun 3 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL HARNEY COUNTY WILL
EXPIRE AT 345 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.

When safe to do so, please relay storm reports to the National
Weather Service in Boise via local law enforcement, or National
Weather Service Boise Facebook and Twitter accounts.

LAT...LON 4268 11896 4272 11920 4318 11915 4312 11878
TIME...MOT...LOC 2236Z 191DEG 23KT 4299 11901 

$$

DG

The office that day

Everything else NWS Boise, ID issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 3, 7:00 AM PDT	Red Flag Warning	BOI		13 hr
Jun 3, 3:49 PM PDT	Severe Thunderstorm Warning	BOI	Harney	26 min
Jun 3, 4:06 PM PDT	Severe Thunderstorm Warning	BOI	Harney	24 min

Nearby

Severe Thunderstorm Warnings in Oregon, 2021 Every severe thunderstorm warning in 2021

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.