Alert archive / Idaho / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 4, NWS Spokane, WA

June 8, 2016Benewah County, Latah County, Shoshone County, Idaho

NWS Spokane, WA issued this severe thunderstorm warning at Jun 8, 2016, 2:31 PM PDT for Benewah County, Latah County, Shoshone County, Idaho. It was in force for 44 min. 3 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, 2:31 PM PDT (21:31 UTC)
Expired
Jun 8, 2016, 3:15 PM PDT
In force
44 min
Issued by
NWS Spokane, WA
Area
Storm-based polygon

Counties Benewah County, ID, Latah County, ID, Shoshone County, ID

The radar

The Spokane radar (KOTX), 121 km from the middle of the area, began a volume at 21:34 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 0.254 Ne Moscow, ID.
Jun 8, 2:45 PM PDTHAIL 0.753 S Harvard, ID.
Jun 8, 3:10 PM PDTTSTM WND DMG6 Se Santa, IDSEVERAL 50 FOOT COTTONWOOD TREES BLOWN OVER ONTO HIGHWAY 3 BETWEEN FERNWOOD AND EMERALD CREEK. ALSO DIME SIZED 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

Spokane, WA (KOTX), launched 12:00Z, 9.5 hours before the alert went out and 87 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, Spokane, WA at 12:00Z on 2016-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 20 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, Spokane, WA at 12:00Z on 2016-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.19395878Sfc1 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
20 J/kg
Mixed-layer CIN
-336 J/kg
Mixed-layer LCL
2709 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
117 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

731 
WUUS56 KOTX 082131
SVROTX
IDC009-057-079-082215-
/O.NEW.KOTX.SV.W.0004.160608T2131Z-160608T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
231 PM PDT WED JUN 8 2016

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN BENEWAH COUNTY IN THE PANHANDLE OF IDAHO...
  CENTRAL LATAH COUNTY IN THE PANHANDLE OF IDAHO...
  SOUTHWESTERN SHOSHONE COUNTY IN THE PANHANDLE OF IDAHO...

* UNTIL 315 PM PDT

* AT 230 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH. THIS STORM WAS LOCATED NEAR TROY...OR 8 MILES NORTHEAST
  OF MOSCOW...AND MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TROY...DEARY...BOVILL...HARVARD...JOEL...SANTA...EMIDA...
  FERNWOOD...HELMER...CLARKIA AND ST. JOE.

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 4693 11633 4681 11633 4669 11692 4676 11698
      4740 11640 4694 11607
TIME...MOT...LOC 2130Z 220DEG 43KT 4679 11685 

$$

SB
2 follow-up statements
661 
WWUS56 KOTX 082143
SVSOTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
243 PM PDT WED JUN 8 2016

IDC009-057-079-082215-
/O.CON.KOTX.SV.W.0004.000000T0000Z-160608T2215Z/
BENEWAH ID-LATAH ID-SHOSHONE ID-
243 PM PDT WED JUN 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM PDT
FOR EASTERN BENEWAH...NORTHEASTERN LATAH AND SOUTHWESTERN SHOSHONE
COUNTIES...

AT 243 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING HALF DOLLAR SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED 9 MILES EAST OF POTLATCH...OR 18 MILES
NORTHEAST OF MOSCOW...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
FERNWOOD...CLARKIA...ST. JOE...HARVARD...SANTA AND EMIDA. 

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 4693 11633 4688 11635 4680 11679 4686 11686
      4740 11640 4694 11607
TIME...MOT...LOC 2143Z 220DEG 43KT 4691 11670 

$$

SB
883 
WWUS56 KOTX 082200
SVSOTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
300 PM PDT WED JUN 8 2016

IDC009-057-079-082215-
/O.CON.KOTX.SV.W.0004.000000T0000Z-160608T2215Z/
BENEWAH ID-LATAH ID-SHOSHONE ID-
300 PM PDT WED JUN 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 315 PM PDT
FOR EASTERN BENEWAH...NORTHEASTERN LATAH AND SOUTHWESTERN SHOSHONE
COUNTIES...

AT 300 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING HALF DOLLAR SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH. THIS STORM WAS LOCATED 15 MILES NORTH OF BOVILL...OR 17 MILES
SOUTH OF ST. MARIES...MOVING NORTHEAST AT 50 MPH.

LOCATIONS IMPACTED INCLUDE...
FERNWOOD...CLARKIA...ST. JOE AND SANTA. 

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 4698 11633 4694 11646 4696 11659 4701 11664
      4740 11640 4703 11613
TIME...MOT...LOC 2200Z 220DEG 43KT 4707 11651 

$$

SB

The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 8, 2:12 PM PDTSevere Thunderstorm WarningOTXLewis, Nez Perce33 min
Jun 8, 2:37 PM PDTSevere Thunderstorm WarningOTXNez Perce38 min
Jun 8, 3:06 PM PDTSevere Thunderstorm WarningOTXNez Perce24 min
Jun 8, 3:14 PM PDTSevere Thunderstorm WarningOTXShoshone46 min
Jun 8, 3:15 PM PDTSevere Thunderstorm WarningOTXLewis, Nez Perce31 min
Jun 8, 4:48 PM PDTSevere Thunderstorm WarningOTXBenewah, Latah, Nez Perce42 min

Nearby

Severe Thunderstorm Warnings in Idaho, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.