Alert archive / Washington / Heat Advisories in 2014

Heat Advisory 1, NWS Spokane, WA

July 14, 201410 counties in Washington; Lewis County, Nez Perce County, Idaho

NWS Spokane, WA issued this heat advisory at Jul 14, 2014, 3:12 PM PDT for 10 counties in Washington; Lewis County, Nez Perce County, Idaho. It took effect at Jul 15, 2014, 1:00 PM PDT. It was in force for 31 hr.

The area

The counties it named.

The facts

Issued: Jul 14, 2014, 3:12 PM PDT (22:12 UTC)
In effect from: Jul 15, 2014, 1:00 PM PDT
Expired: Jul 16, 2014, 8:00 PM PDT
In force: 31 hr
Issued by: NWS Spokane, WA

Counties 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, Whitman County, WA

The radar

The Spokane radar (KOTX), 78 km from the middle of the area, began a volume at 22:14 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, 10.2 hours before the alert went out and 155 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: 2 J/kg
Mixed-layer CIN: -317 J/kg
Mixed-layer LCL: 2984 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 29 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Spokane, WA wrote its last area forecast discussion before this heat advisory went out at Jul 14, 2:43 PM PDT, 29 minutes earlier.

Area forecast discussion, Jul 14, 2:43 PM PDT, 29 minutes before

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Hazardous weather outlook, Jul 14, 9:39 AM PDT, 5 hours 33 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 14, 3:33 PM PDT	Fire Weather Watch	OTX		24 hr
Jul 14, 3:41 PM PDT	Areal Flood Advisory	OTX	Grant	4 hr
Jul 14, 4:26 PM PDT	Severe Thunderstorm Warning	OTX	Lincoln, Spokane	38 min
Jul 14, 4:39 PM PDT	Areal Flood Advisory	OTX	Lincoln, Spokane	3 hr
Jul 14, 4:54 PM PDT	Special Weather Statement	OTX	Spokane	51 min
Jul 14, 4:38 PM PDT	Areal Flood Advisory	OTX	Kootenai, Shoshone	3 hr

Nearby

Heat Advisories in Washington, 2014 Heat Advisories in Idaho, 2014 Every heat advisory in 2014

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.