Alert archive / Idaho / Red Flag Warnings in 2019

Red Flag Warning 3, NWS Boise, ID

July 22, 2019Owyhee County, Twin Falls County, Idaho

NWS Boise, ID issued this red flag warning at Jul 22, 2019, 8:26 AM MDT for Owyhee County, Twin Falls County, Idaho. It took effect at Jul 22, 2019, 4:00 PM MDT. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 22, 2019, 8:26 AM MDT (14:26 UTC)
In effect from
Jul 22, 2019, 4:00 PM MDT
Expired
Jul 23, 2019, 12:00 AM MDT
In force
8 hr
Issued by
NWS Boise, ID

Counties Owyhee County, ID, Twin Falls County, ID

The radar

The Boise radar (KCBX), 132 km from the middle of the area, began a volume at 14:26 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

Salt Lake City I, UT (KSLC), launched 12:00Z, 2.4 hours before the alert went out and 348 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, Salt Lake City I, UT at 12:00Z on 2019-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 joules per kilogram.LCLLFCEL10008507005003002001001 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, Salt Lake City I, UT at 12:00Z on 2019-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 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
10 J/kg
Mixed-layer CIN
-528 J/kg
Mixed-layer LCL
3485 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
43 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Boise, ID issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 21, 11:00 PM MDTSpecial Weather StatementBOI45 min
Jul 22, 1:28 PM MDTRed Flag WarningBOIAda, Adams, Boise, Canyon, Elmore, Gem and 9 more35 hr
Jul 22, 5:16 PM MDTSpecial Weather StatementBOIGooding29 min
Jul 22, 5:44 PM MDTSpecial Weather StatementBOIGooding31 min
Jul 21, 10:29 PM MDTSpecial Weather StatementBOIHarney31 min

Nearby

Red Flag Warnings in Idaho, 2019Every red flag warning in 2019

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.