Alert archive / Washington / Heat Advisories in 2021

Heat Advisory 2, NWS Spokane, WA

July 2, 20219 counties in Washington; Kootenai County, Lewis County, Nez Perce County, Idaho

NWS Spokane, WA issued this heat advisory at Jul 2, 2021, 1:44 AM PDT for 9 counties in Washington; Kootenai County, Lewis County, Nez Perce County, Idaho. It was in force for 41 hr.

The area

The counties it named.

The facts

Issued
Jul 2, 2021, 1:44 AM PDT (08:44 UTC)
Expired
Jul 3, 2021, 7:00 PM PDT
In force
41 hr
Issued by
NWS Spokane, WA

Counties Kootenai County, ID, Lewis County, ID, Nez Perce County, ID, Adams County, WA, Asotin County, WA, Chelan County, WA, Douglas County, WA, Garfield County, WA, Grant County, WA, Lincoln County, WA, Okanogan County, WA, Spokane County, WA

The radar

The Spokane radar (KOTX), 69 km from the middle of the area, began a volume at 08:48 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 00:00Z, 8.7 hours before the alert went out and 147 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 00:00Z on 2021-07-02Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 00:00Z on 2021-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 square meters per square second.1939Sfc1 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
3093 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
-2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

320 
WWUS76 KOTX 020844
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
144 AM PDT Fri Jul 2 2021

IDZ002-026-027-WAZ032-034>036-041-043-030845-
/O.CAN.KOTX.EH.W.0001.000000T0000Z-210705T0200Z/
/O.NEW.KOTX.HT.Y.0002.210702T0844Z-210704T0200Z/
Coeur d'Alene Area-Lewiston Area-Lewis and Southern Nez Perce
Counties-Lower Garfield and Asotin Counties-Moses Lake Area-Upper
Columbia Basin-Spokane Area-Wenatchee Area-Okanogan Valley-
Including the cities of Quincy, Pomeroy, Nezperce, Cheney,
Hayden, Nespelem, Ephrata, Odessa, Winchester, Worley, Othello,
Brewster, Wenatchee, Peck, Moses Lake, Rockford, Cashmere, Coulee
City, Spokane, Wilbur, Bridgeport, Coeur d'Alene, Craigmont,
Omak, Okanogan, Lapwai, Culdesac, Lewiston, Davenport, Entiat,
Grand Coulee, Clarkston, Post Falls, Gifford, Kamiah, Oroville,
Chelan, and Ritzville
144 AM PDT Fri Jul 2 2021

...HEAT ADVISORY IN EFFECT UNTIL 7 PM PDT SATURDAY...
...EXCESSIVE HEAT WARNING IS CANCELLED...

* WHAT...Hot temperatures with highs in the mid 90s to near 100.  
  Lows in the mid 50s to upper 60s.

* WHERE...Quincy, Pomeroy, Nezperce, Cheney, Hayden, Nespelem, 
  Ephrata, Odessa, Winchester, Worley, Othello, Brewster, Wenatchee, 
  Peck, Moses Lake, Rockford, Cashmere, Coulee City, Spokane, 
  Wilbur, Bridgeport, Coeur d'Alene, Craigmont, Omak, Okanogan, 
  Lapwai, Culdesac, Lewiston, Davenport, Entiat, Grand Coulee, 
  Clarkston, Post Falls, Gifford, Kamiah, Oroville, Chelan, and 
  Ritzville.

* WHEN...Until 7 PM PDT Saturday.

* IMPACTS...Hot temperatures may cause heat illnesses. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out of 
the sun, and check up on relatives and neighbors.

&&

$$

IDZ001-003-004-WAZ031-033-037-038-042-044-020945-
/O.CAN.KOTX.EH.W.0001.000000T0000Z-210705T0200Z/
Northern Panhandle-Idaho Palouse-Central Panhandle Mountains-
Northeast Blue Mountains-Washington Palouse-Northeast Mountains-
Okanogan Highlands-East Slopes Northern Cascades-Waterville
Plateau-
Including the cities of Colfax, Chewelah, Wallace, Osburn,
Waterville, Rathdrum, Republic, Eastport, St Maries, Moscow,
Bonners Ferry, Kellogg, Mansfield, Stehekin, Uniontown, Mullan,
Oakesdale, Kettle Falls, Rosalia, Sandpoint, Wauconda, Tekoa,
Leavenworth, La Crosse, Newport, Mazama, Conconully, Priest
River, Potlatch, Winthrop, Plummer, Anatone, Genesee, Peola,
Twisp, Deer Park, Inchelium, Pullman, Colville, and Pinehurst
144 AM PDT Fri Jul 2 2021

...EXCESSIVE HEAT WARNING IS CANCELLED...

Forecast temperatures have decreased with lows mainly in the 50s and 
highs in the 90s through the weekend.  While temperatures will still 
be well above normal excessive heat is no longer expected.

$$

JW
3 follow-up statements
018 
WWUS76 KOTX 021651
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
951 AM PDT Fri Jul 2 2021

IDZ002-026-027-WAZ032-034>036-041-043-031400-
/O.CON.KOTX.HT.Y.0002.000000T0000Z-210704T0200Z/
Coeur d'Alene Area-Lewiston Area-Lewis and Southern Nez Perce
Counties-Lower Garfield and Asotin Counties-Moses Lake Area-Upper
Columbia Basin-Spokane Area-Wenatchee Area-Okanogan Valley-
Including the cities of Quincy, Pomeroy, Nezperce, Cheney,
Hayden, Nespelem, Ephrata, Odessa, Winchester, Worley, Othello,
Brewster, Wenatchee, Peck, Moses Lake, Rockford, Cashmere, Coulee
City, Spokane, Wilbur, Bridgeport, Coeur d'Alene, Craigmont,
Omak, Okanogan, Lapwai, Culdesac, Lewiston, Davenport, Entiat,
Grand Coulee, Clarkston, Post Falls, Gifford, Kamiah, Oroville,
Chelan, and Ritzville
951 AM PDT Fri Jul 2 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM PDT SATURDAY...

* WHAT...Hot temperatures with highs in the mid 90s to near 100.  
  Lows in the mid 50s to upper 60s.

* WHERE...Quincy, Pomeroy, Nezperce, Cheney, Hayden, Nespelem, 
  Ephrata, Odessa, Winchester, Worley, Othello, Brewster, Wenatchee, 
  Peck, Moses Lake, Rockford, Cashmere, Coulee City, Spokane, 
  Wilbur, Bridgeport, Coeur d'Alene, Craigmont, Omak, Okanogan, 
  Lapwai, Culdesac, Lewiston, Davenport, Entiat, Grand Coulee, 
  Clarkston, Post Falls, Gifford, Kamiah, Oroville, Chelan, and 
  Ritzville.

* WHEN...Until 7 PM PDT Saturday.

* IMPACTS...Hot temperatures may cause heat illnesses. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned area, stay out of 
the sun, and check up on relatives and neighbors that may be 
sensitive to the heat.

&&

$$

CD
289 
WWUS76 KOTX 031154
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
454 AM PDT Sat Jul 3 2021

IDZ002-026-027-WAZ032-034>036-041-043-040200-
/O.CON.KOTX.HT.Y.0002.000000T0000Z-210704T0200Z/
Coeur d'Alene Area-Lewiston Area-Lewis and Southern Nez Perce
Counties-Lower Garfield and Asotin Counties-Moses Lake Area-Upper
Columbia Basin-Spokane Area-Wenatchee Area-Okanogan Valley-
Including the cities of Quincy, Pomeroy, Nezperce, Cheney,
Hayden, Nespelem, Ephrata, Odessa, Winchester, Worley, Othello,
Brewster, Wenatchee, Peck, Moses Lake, Rockford, Cashmere, Coulee
City, Spokane, Wilbur, Bridgeport, Coeur d'Alene, Craigmont,
Omak, Okanogan, Lapwai, Culdesac, Lewiston, Davenport, Entiat,
Grand Coulee, Clarkston, Post Falls, Gifford, Kamiah, Oroville,
Chelan, and Ritzville
454 AM PDT Sat Jul 3 2021

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING...

* WHAT...Hot temperatures with highs in the mid 90s to near 100.  

* WHERE...Quincy, Pomeroy, Nezperce, Cheney, Hayden, Nespelem, 
  Ephrata, Odessa, Winchester, Worley, Othello, Brewster, Wenatchee, 
  Peck, Moses Lake, Rockford, Cashmere, Coulee City, Spokane, 
  Wilbur, Bridgeport, Coeur d'Alene, Craigmont, Omak, Okanogan, 
  Lapwai, Culdesac, Lewiston, Davenport, Entiat, Grand Coulee, 
  Clarkston, Post Falls, Gifford, Kamiah, Oroville, Chelan, and 
  Ritzville.

* WHEN...Until 7 PM PDT this evening.

* IMPACTS...Hot temperatures may cause heat illnesses. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned area, stay out of 
the sun, and check up on relatives and neighbors that may be 
sensitive to the heat.

&&

$$

JW
591 
WWUS76 KOTX 040159
NPWOTX

URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
659 PM PDT Sat Jul 3 2021

IDZ002-026-027-WAZ032-034>036-041-043-040300-
/O.EXP.KOTX.HT.Y.0002.000000T0000Z-210704T0200Z/
Coeur d'Alene Area-Lewiston Area-Lewis and Southern Nez Perce
Counties-Lower Garfield and Asotin Counties-Moses Lake Area-Upper
Columbia Basin-Spokane Area-Wenatchee Area-Okanogan Valley-
Including the cities of Quincy, Pomeroy, Nezperce, Cheney,
Hayden, Nespelem, Ephrata, Odessa, Winchester, Worley, Othello,
Brewster, Wenatchee, Peck, Moses Lake, Rockford, Cashmere, Coulee
City, Spokane, Wilbur, Bridgeport, Coeur d'Alene, Craigmont,
Omak, Okanogan, Lapwai, Culdesac, Lewiston, Davenport, Entiat,
Grand Coulee, Clarkston, Post Falls, Gifford, Kamiah, Oroville,
Chelan, and Ritzville
659 PM PDT Sat Jul 3 2021

...HEAT ADVISORY WILL EXPIRE AT 7 PM PDT THIS EVENING...

The Heat Advisory for the Spokane, Coeur d'Alene, Lewiston, Moses 
Lake, Wenatchee, Grand Coulee, and Omak areas will be allowed to 
expire this evening. Temperatures will continue to be in the 90s to 
near 100 through the weekend into early next week, but won't be as 
dangerously hot as they were earlier this week.

$$

GKOCH

Nearby

Heat Advisories in Washington, 2021Heat Advisories in Idaho, 2021Every heat advisory 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.