Alert archive / Idaho / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 13, NWS Spokane, WA

August 7, 2016Bonner County, Idaho; Pend Oreille County, Washington

NWS Spokane, WA issued this severe thunderstorm warning at Aug 7, 2016, 12:32 PM PDT for Bonner County, Idaho; Pend Oreille County, Washington. It was in force for 31 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
Aug 7, 2016, 12:32 PM PDT (19:32 UTC)
Expired
Aug 7, 2016, 1:03 PM PDT
In force
31 min
Issued by
NWS Spokane, WA
Area
Storm-based polygon

Counties Bonner County, ID, Pend Oreille County, WA

The radar

The Spokane radar (KOTX), 136 km from the middle of the area, began a volume at 19:35 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

Spokane, WA (KOTX), launched 12:00Z, 7.5 hours before the alert went out and 134 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 2016-08-07Temperature 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, Spokane, WA at 12:00Z on 2016-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 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
2967 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

537 
WUUS56 KOTX 071932
SVROTX
IDC017-WAC051-072015-
/O.NEW.KOTX.SV.W.0013.160807T1932Z-160807T2015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
1232 PM PDT SUN AUG 7 2016

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BONNER COUNTY IN THE PANHANDLE OF IDAHO...
  NORTHEASTERN PEND OREILLE COUNTY IN NORTHEASTERN WASHINGTON...

* UNTIL 115 PM PDT

* AT 1232 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 NEAR NORDMAN...OR 30 MILES
  WEST OF BONNERS FERRY...AND MOVING NORTHWEST AT 20 MPH.

* THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHWESTERN BONNER AND NORTHEASTERN PEND OREILLE COUNTIES.

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.

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE
HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...
IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY
LIGHTNING.

&&

LAT...LON 4895 11703 4893 11702 4885 11703 4885 11699
      4868 11692 4866 11696 4880 11718
TIME...MOT...LOC 1932Z 151DEG 17KT 4872 11699 

$$

SB
1 follow-up statement
243 
WWUS56 KOTX 072003
SVSOTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
103 PM PDT SUN AUG 7 2016

IDC017-WAC051-072011-
/O.CAN.KOTX.SV.W.0013.000000T0000Z-160807T2015Z/
BONNER ID-PEND OREILLE WA-
103 PM PDT SUN AUG 7 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BONNER AND
NORTHEASTERN PEND OREILLE COUNTIES IS CANCELLED...
                
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 HAS BEEN CANCELLED. HOWEVER VERY HEAVY RAIN IS
STILL LIKELY WITH THIS THUNDERSTORM ACROSS NORTHEASTERN PEND
OREILLE...NORTHWEST BONNER COUNTY...AND WESTERN BOUNDARY COUNTY.

LAT...LON 4895 11703 4893 11702 4885 11703 4885 11699
      4868 11692 4866 11696 4880 11718
TIME...MOT...LOC 1958Z 151DEG 17KT 4884 11709 

$$

SB

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 1:30 PM PDTAreal Flood AdvisoryOTXBonner, Boundary3 hr
Aug 7, 12:16 PM PDTSpecial Weather StatementOTXPend Oreille44 min

Nearby

Severe Thunderstorm Warnings in Idaho, 2016Severe Thunderstorm Warnings in Washington, 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.