Alert archive / Washington / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 13, NWS Spokane, WA

July 1, 2008Spokane County, Washington; Kootenai County, Idaho

NWS Spokane, WA issued this severe thunderstorm warning at Jul 1, 2008, 7:24 PM PDT for Spokane County, Washington; Kootenai County, Idaho. It was in force for 76 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: Jul 1, 2008, 7:24 PM PDT (02:24 UTC)
Expired: Jul 1, 2008, 8:40 PM PDT
In force: 76 min
Issued by: NWS Spokane, WA
Area: Storm-based polygon

Counties Kootenai County, ID, Spokane County, WA

What was reported inside it

Time	Report	Where	Remark
Jul 1, 7:35 PM PDT	HAIL 0.88	5 Nw Post Falls, ID	WINDS ALSO GUSTED TO 40 MPH.
Jul 1, 7:37 PM PDT	HAIL 1	Newman Lake, WA	ALSO SAW A WIND GUST TO 44 MPH AND 1.00 OF RAIN IN ONE HOUR.
Jul 1, 8:00 PM PDT	TSTM WND DMG	6 Ne Colbert, WA	TREES DOWN NEAR MT. SPOKANE

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

The nearest sounding before it

Spokane, WA (KOTX), launched 00:00Z, 2.4 hours before the alert went out and 66 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: 166 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 2696 m above ground
0-6 km bulk shear: 8 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 10 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS56 KOTX 020225
SVROTX
IDC055-WAC063-020400-
/O.NEW.KOTX.SV.W.0013.080702T0224Z-080702T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SPOKANE WA
724 PM PDT TUE JUL 1 2008

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN SPOKANE COUNTY IN EASTERN WASHINGTON...
  THIS INCLUDES THE CITY OF SPOKANE...
  WESTERN KOOTENAI COUNTY IN THE PANHANDLE OF IDAHO...
  THIS INCLUDES THE CITIES OF...RATHDRUM...POST FALLS...COEUR
  DALENE...

* UNTIL 900 PM PDT

* AT 722 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
  HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM MEAD TO HAYDEN LAKE...OR ALONG
  A LINE EXTENDING FROM 11 MILES NORTHEAST OF SPOKANE TO COEUR
  DALENE...AND MOVING SOUTHEAST AT 8 MPH.

* SEVERE THUNDERSTORMS WILL BE NEAR...
  HAUSER BY 735 PM PDT...
  NEWMAN LAKE BY 745 PM PDT...
  TRENTWOOD BY 825 PM PDT...
  POST FALLS AND COEUR DALENE BY 840 PM PDT...
  GREEN ACRES BY 850 PM PDT...
  OTIS ORCHARDS AND LIBERTY LAKE BY 900 PM PDT...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT 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 NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 4804 11754 4788 11676 4750 11653 4751 11747
      4766 11759 4779 11753
TIME...MOT...LOC 0224Z 304DEG 7KT 4781 11730 4775 11676

$$

FRIES

4 follow-up statements

000 
WWUS56 KOTX 020248
SVSOTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
745 PM PDT TUE JUL 1 2008

IDC055-WAC063-020400-
/O.CON.KOTX.SV.W.0013.000000T0000Z-080702T0400Z/
KOOTENAI ID-SPOKANE WA-
745 PM PDT TUE JUL 1 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM PDT
FOR CENTRAL SPOKANE AND WESTERN KOOTENAI COUNTIES...

AT 742 PM PDT...TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE
THUNDERSTORMS CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND DAMAGING 
WINDS IN EXCESS OF 60 MPH.  WIND DAMAGE WAS REPORTED AROUND 
CHATTAROY...AND LARGE HAIL REPORTED NEAR HAUSER. THE FRONT EDGE OF 
THESE STORMS IS NOW LOCATED ALONG A LINE EXTENDING FROM MEAD TO 
TRENTWOOD TO POST FALLS...OR ALONG A LINE EXTENDING FROM SPOKANE TO 
10 MILES EAST OF SPOKANE TO POST FALLS...MOVING SOUTHEAST AT 8 MPH. 
A STRONG GUST FRONT ALSO PUSHES OUT AHEAD OF THE LINE OF STORMS 
ITSELF...AND IS CURRENTLY PUSHING INTO AIRWAY 
HEIGHTS...SPOKANE...AND VALLEYFORD AREAS.

SEVERE THUNDERSTORMS WILL BE NEAR...
  SPOKANE AND HUETTER BY 750 PM PDT...
  SPOKANE...HAYDEN...HUETTER AND GREEN ACRES BY 755 PM PDT...
  HAYDEN LAKE BY 800 PM PDT...
  DALTON GARDENS AND LIBERTY LAKE BY 805 PM PDT...
  COEUR DALENE BY 810 PM PDT...

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 NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

LAT...LON 4782 11674 4750 11653 4751 11747 4766 11759
      4779 11753 4797 11754
TIME...MOT...LOC 0245Z 304DEG 7KT 4773 11738 4767 11719
          4767 11690

$$

FRIES

000 
WWUS56 KOTX 020304
SVSOTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
803 PM PDT TUE JUL 1 2008

IDC055-WAC063-020400-
/O.CON.KOTX.SV.W.0013.000000T0000Z-080702T0400Z/
KOOTENAI ID-SPOKANE WA-
803 PM PDT TUE JUL 1 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM PDT
FOR EAST CENTRAL SPOKANE AND WESTERN KOOTENAI COUNTIES...

AT 801 PM PDT...TRAINED WEATHER SPOTTERS AND BROADCAST MEDIA HAVE 
REPORTED A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL 
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS 
HAVE A HISTORY OF DOWNING TREES IN SEVERAL LOCATIONS ACROSS NORTHERN 
SPOKANE COUNTY. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING 
FROM VALLEYFORD TO 8 MILES SOUTH OF HUETTER TO HAYDEN LAKE...OR 
ALONG A LINE EXTENDING FROM 15 MILES SOUTHEAST OF SPOKANE TO 9 MILES 
SOUTH OF POST FALLS TO 6 MILES NORTHEAST OF COEUR DALENE...MOVING 
SOUTHEAST AT 8 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  FERNAN LAKE VILLAGE BY 825 PM PDT...
  BEAUTY CREEK CAMPGROUND AND WOLF CREEK CAMPGROUND BY 900 PM PDT...

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.
WHILE NOT IMMEDIATELY LIKELY...A TORNADO MAY STILL DEVELOP. IF A
TORNADO IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A
STURDY STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS

LAT...LON 4750 11665 4751 11731 4771 11747 4779 11735
      4784 11706 4782 11674 4766 11664 4765 11662
      4763 11662 4750 11653
TIME...MOT...LOC 0303Z 304DEG 7KT 4751 11719 4759 11690
          4777 11672

$$

FRIES

000 
WWUS56 KOTX 020328
SVSOTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
827 PM PDT TUE JUL 1 2008

WAC063-020337-
/O.CAN.KOTX.SV.W.0013.000000T0000Z-080702T0400Z/
SPOKANE WA-
827 PM PDT TUE JUL 1 2008

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SPOKANE COUNTY IS
CANCELLED...

THE PORTION OF THE LINE OF THUNDERSTORMS OVER SPOKANE COUNTY HAS 
WEAKENED BELOW SEVERE LIMITS. GUSTY WINDS AND HEAVY RAIN ARE STILL 
POSSIBLE...BUT WIDESPREAD SEVERE THUNDERSTORM CONDITIONS HAVE ENDED 
OVER SPOKANE COUNTY WITH THIS LINE OF THUNDERSTORMS.  MORE 
THUNDERSTORMS ARE STILL POSSIBLE LATER THIS EVENING.

LAT...LON 4751 11703 4784 11703 4784 11699 4783 11698
      4783 11694 4782 11674 4766 11664 4765 11662
      4763 11662 4750 11653
TIME...MOT...LOC 0327Z 304DEG 7KT 4752 11678 4773 11675

$$

IDC055-020400-
/O.CON.KOTX.SV.W.0013.000000T0000Z-080702T0400Z/
KOOTENAI ID-
827 PM PDT TUE JUL 1 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 PM PDT
FOR WESTERN KOOTENAI COUNTY...

AT 826 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING NICKEL 
SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS 
WERE LOCATED ALONG A LINE EXTENDING FROM 8 MILES SOUTHWEST OF BEAUTY 
CREEK CAMPGROUND TO DALTON GARDENS...OR ALONG A LINE EXTENDING FROM 
12 MILES SOUTH OF COEUR DALENE TO COEUR DALENE...MOVING SOUTHEAST 
AT 8 MPH.

SEVERE THUNDERSTORMS WILL BE NEAR...
  BEAUTY CREEK CAMPGROUND AND WOLF CREEK CAMPGROUND BY 900 PM PDT...

THIS STORM HAS A HISTORY OF PRODUCING DESTRUCTIVE WINDS AND LARGE
DAMAGING HAIL. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY
AWAY FROM WINDOWS

LAT...LON 4751 11703 4784 11703 4784 11699 4783 11698
      4783 11694 4782 11674 4766 11664 4765 11662
      4763 11662 4750 11653
TIME...MOT...LOC 0327Z 304DEG 7KT 4752 11678 4773 11675

$$

FRIES

000 
WWUS56 KOTX 020340
SVSOTX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPOKANE WA
840 PM PDT TUE JUL 1 2008

IDC055-020350-
/O.CAN.KOTX.SV.W.0013.000000T0000Z-080702T0400Z/
KOOTENAI ID-
840 PM PDT TUE JUL 1 2008

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN KOOTENAI COUNTY IS
CANCELLED...

THE THUNDERSTORM HAS WEAKENED AND IS NO LONGER CAPABLE OF PRODUCING 
SEVERE WEATHER. ADDITIONAL THUNDERSTORMS ARE STILL POSSIBLE LATER 
THIS EVENING.

LAT...LON 4751 11703 4784 11703 4784 11699 4783 11698
      4783 11694 4782 11674 4766 11664 4765 11662
      4763 11662 4750 11653
TIME...MOT...LOC 0340Z 304DEG 7KT 4751 11675 4772 11672

$$

FRIES

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 5:32 PM PDT	Severe Thunderstorm Warning	OTX	Pend Oreille, Spokane	43 min
Jul 1, 6:03 PM PDT	Severe Thunderstorm Warning	OTX	Douglas	42 min
Jul 1, 6:11 PM PDT	Severe Thunderstorm Warning	OTX	Pend Oreille, Spokane, Stevens	64 min
Jul 1, 6:45 PM PDT	Severe Thunderstorm Warning	OTX	Douglas, Grant, Lincoln, Okanogan	45 min
Jul 1, 6:48 PM PDT	Severe Thunderstorm Warning	OTX	Pend Oreille, Spokane	42 min
Jul 1, 6:55 PM PDT	Severe Thunderstorm Warning	OTX	Ferry, Lincoln, Stevens	65 min
Jul 1, 7:29 PM PDT	Severe Thunderstorm Warning	OTX	Douglas, Grant, Lincoln	61 min
Jul 2, 2:46 PM PDT	Fire Weather Watch	OTX		16 hr

Nearby

Severe Thunderstorm Warnings in Washington, 2008 Severe Thunderstorm Warnings in Idaho, 2008 Every severe thunderstorm warning in 2008

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.