Alert archive / Idaho / Tornado Warnings in 2009
Tornado Warning 1, NWS Spokane, WA
NWS Spokane, WA issued this tornado warning at Jul 28, 2009, 3:31 PM PDT for Bonner County, Idaho; Pend Oreille County, Washington. 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
- Jul 28, 2009, 3:31 PM PDT (22:31 UTC)
- Expired
- Jul 28, 2009, 4:15 PM PDT
- In force
- 44 min
- Issued by
- NWS Spokane, WA
- Area
- Storm-based polygon
Counties Bonner County, ID, Pend Oreille County, WA
The radar
The Spokane radar (KOTX), 86 km from the middle of the area, began a volume at 22:33 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 28, 3:35 PM PDT | HAIL 1 | 4 Wsw Coolin, ID | |
| Jul 28, 4:15 PM PDT | TSTM WND DMG | W Newport, WA | REPORTS OF TREES DOWN ACROSS VARIOUS PORTIONS OF THE TOWN. |
| Jul 28, 4:20 PM PDT | TSTM WND DMG | Newport, WA | MANY TREES TOTALLY UPROOTED. TREES FALLEN ON HOMES. DAMAGE TO UNITED CHURCH OF CHRIST IN TOWN. |
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 12:00Z, 10.5 hours before the alert went out and 82 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.
- Mixed-layer CAPE
- 261 J/kg
- Mixed-layer CIN
- -220 J/kg
- Mixed-layer LCL
- 1288 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
354 WFUS56 KOTX 282231 TOROTX IDC017-WAC051-282315- /O.NEW.KOTX.TO.W.0001.090728T2231Z-090728T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SPOKANE WA 331 PM PDT TUE JUL 28 2009 THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A * TORNADO WARNING FOR... EAST CENTRAL PEND OREILLE COUNTY IN NORTHEAST WASHINGTON... THIS INCLUDES THE CITY OF NEWPORT... WEST CENTRAL BONNER COUNTY IN THE PANHANDLE OF IDAHO... * UNTIL 415 PM PDT * AT 330 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 6 MILES WEST OF COOLIN...OR 22 MILES NORTH OF NEWPORT...MOVING SOUTH AT 25 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SOUTH SKOOKUM LAKE CAMPGROUND...BEAD LAKE CAMPGROUND...PRIEST RIVER AND OLDTOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY. IF YOU ARE IN THE PATH OF THIS DANGEROUS STORM...MOVE INDOORS AND TO THE LOWEST LEVEL OF THE BUILDING. STAY AWAY FROM WINDOWS. IF DRIVING...DO NOT SEEK SHELTER UNDER A HIGHWAY OVERPASS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 4812 11684 4822 11732 4859 11708 4857 11681 TIME...MOT...LOC 2231Z 007DEG 20KT 4849 11697 $$ FRIES
3 follow-up statements
000 WWUS56 KOTX 282245 SVSOTX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SPOKANE WA 345 PM PDT TUE JUL 28 2009 IDC017-WAC051-282315- /O.CON.KOTX.TO.W.0001.000000T0000Z-090728T2315Z/ BONNER ID-PEND OREILLE WA- 345 PM PDT TUE JUL 28 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM PDT FOR SOUTHEASTERN PEND OREILLE AND WEST CENTRAL BONNER COUNTIES... AT 343 PM PDT...LOCAL LAW ENFORCEMENT REPORTED TREES DOWN ON HIGHWAY 57 IN PRIEST LAKE RANGER DISTRICT. THIS MAY HAVE BEEN CAUSED BY A TORNADO OR SEVERE STRAIGHT LINE WINDS. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO PRIEST RIVER AND OLDTOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING NICKEL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS. THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 4848 11702 4844 11682 4812 11684 4821 11728 TIME...MOT...LOC 2244Z 007DEG 20KT 4842 11698 $$ FRIES
000 WWUS56 KOTX 282255 SVSOTX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SPOKANE WA 355 PM PDT TUE JUL 28 2009 IDC017-WAC051-282315- /O.CON.KOTX.TO.W.0001.000000T0000Z-090728T2315Z/ BONNER ID-PEND OREILLE WA- 355 PM PDT TUE JUL 28 2009 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM PDT FOR SOUTHEASTERN PEND OREILLE AND WEST CENTRAL BONNER COUNTIES... AT 351 PM PDT...THE KALISPELL TRIBE REPORTED SOUTHWEST OF COOLIN HAIL TO THE SIZE OF QUARTERS. THIS STORM WAS LOCATED 11 MILES NORTH OF PRIEST RIVER...OR 12 MILES NORTH OF NEWPORT...MOVING SOUTH AT 25 MPH. IN ADDITION...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE THE POSSIBILITY OF A TORNADO WITH THIS STORM. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO OLDTOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. && LAT...LON 4843 11702 4840 11682 4812 11684 4819 11720 TIME...MOT...LOC 2254Z 002DEG 22KT 4833 11698 $$ FRIES
000 WWUS56 KOTX 282312 SVSOTX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE SPOKANE WA 412 PM PDT TUE JUL 28 2009 IDC017-WAC051-282321- /O.EXP.KOTX.TO.W.0001.000000T0000Z-090728T2315Z/ BONNER ID-PEND OREILLE WA- 412 PM PDT TUE JUL 28 2009 ...THE TORNADO WARNING FOR SOUTHEASTERN PEND OREILLE AND WEST CENTRAL BONNER COUNTIES WILL EXPIRE AT 415 PM PDT... THE THUNDERSTORM HAS MOVED SOUTH OF THE WARNED AREA. A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM FOR NORTHEASTERN SPOKANE COUNTY...NORTHWESTERN KOOTENAI COUNTY...SOUTHEASTERN PEND OREILLE COUNTY...AND SOUTHWESTERN BONNER COUNTY. LAT...LON 4843 11702 4840 11682 4812 11684 4819 11720 TIME...MOT...LOC 2311Z 006DEG 18KT 4824 11700 $$ FRIES
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 10:41 PM PDT | Special Weather Statement | OTX | Bonner | 49 min |
| Jul 27, 11:12 PM PDT | Special Weather Statement | OTX | Bonner | 33 min |
| Jul 28, 2:57 PM PDT | Special Weather Statement | OTX | Boundary | 48 min |
| Jul 28, 3:22 PM PDT | Severe Thunderstorm Warning | OTX | Bonner | 53 min |
| Jul 28, 4:10 PM PDT | Severe Thunderstorm Warning | OTX | Bonner, Kootenai | 25 min |
| Jul 28, 3:58 PM PDT | Special Weather Statement | OTX | Ferry | 62 min |
| Jul 28, 4:01 PM PDT | Special Weather Statement | OTX | Lincoln | 59 min |
| Jul 28, 4:48 PM PDT | Special Weather Statement | OTX | Pend Oreille | 42 min |
| Jul 28, 4:54 PM PDT | Special Weather Statement | OTX | Ferry | 51 min |
Nearby
Tornado Warnings in Idaho, 2009Tornado Warnings in Washington, 2009Every tornado warning in 2009Tornadoes in 2009
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.