Alert archive / Oregon / Flash Flood Warnings in 2024

Flash Flood Warning 2, NWS Boise, ID

July 24, 2024Baker County, Malheur County, Oregon

NWS Boise, ID issued this flash flood warning at Jul 24, 2024, 6:52 PM PDT for Baker County, Malheur County, Oregon. It was in force for 4 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 24, 2024, 6:52 PM PDT (01:52 UTC)
Expired: Jul 24, 2024, 10:30 PM PDT
In force: 4 hr
Issued by: NWS Boise, ID
Area: Storm-based polygon
Damage threat: Considerable
Flood severity: None

Counties Baker County, OR, Malheur County, OR

The radar

The Boise radar (KCBX), 125 km from the middle of the area, began a volume at 01:52 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 forecasters said that day

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

NWS Boise, ID wrote its last area forecast discussion before this flash flood warning went out at Jul 24, 1:01 PM PDT, 5 hours 51 minutes earlier.

Area forecast discussion, Jul 24, 1:01 PM PDT, 5 hours 51 minutes before

Area Forecast Discussion
National Weather Service Boise ID
201 PM MDT Wed Jul 24 2024

.SHORT TERM...Tonight through Friday night...The upper level
pattern will go through an adjustment through the end of the
week with a trough of low pressure pushing through the northern
Rockies. This trough will suppress the ridge to the south
providing a respite from the excessive heat. Temperatures will
remain near average Thursday/Friday. The trough, and its
associated cold front will combine with mid/upper level moisture
to generate thunderstorms across eastern Oregon and southwest
Idaho this afternoon/evening. The atmospheric profile supports
strong to severe thunderstorms, with gusty winds the main
threat. Strong storms that develop may produce heavy rain, small
hail, and wind gusts of 40-70 mph (10-20% chance of winds over
50 mph). Blowing dust may also be an issue in/around the
storms. Storms will be active through 10pm MDT. A drying trend
is expected the rest of the period, except for additional
thunderstorms for south central Idaho Thursday afternoon.

.LONG TERM...Saturday through Wednesday...Weak troughiness is
expected to linger through the weekend, with a reinforcing low
anticipated for Tuesday. The upper level ridge is expected to
rebound northward Wednesday with the potential for excessive
heat.

&&

.AVIATION...Low VFR/MVFR visibility from smoke in eastern
Oregon and southwest Idaho. Scattered to numerous thunderstorms with
MVFR rain, small hail, frequent lightning and wind gusts as high as
45-60 kt developing this afternoon. Surface winds outside of storms:
SW to NW 5-15 kt. Gusts to 60 kt in storms, and variable gusty
winds with outflows. Winds aloft at 10kft MSL: S-W 15-30 kt.
High density altitude due to heat.

KBOI...A 50 percent chance of strong to severe thunderstorms hitting
terminal between 23Z/Wed and 04Z/Thu. Storms capable of MVFR rain,
small hail, frequent lightning, and gusts as high as 45-60 kt.
Outflow winds away from storms also possible, with variable gusts
over 40 mph. Surface winds outside of storms: West winds gusting to
25 kt this afternoon, becoming southeast at 10kt early Thursday.
High density altitude due to heat.

&&

.BOI WATCHES/WARNINGS/ADVISORIES...
ID...Red Flag Warning until midnight MDT tonight
     IDZ400>403-420-421-423-424-426.
     Red Flag Warning from noon Thursday to midnight MDT Thursday
     night IDZ423-424-426.
     Excessive Heat Warning until 9 PM MDT this evening
     IDZ012-014-033.
     Heat Advisory until 9 PM MDT this evening IDZ015-016-029-030.
OR...Red Flag Warning until midnight MDT /11 PM PDT/ tonight
     ORZ636-637-646.
     Excessive Heat Warning until 9 PM MDT /8 PM PDT/ this evening
     ORZ063-064.
     Heat Advisory until 8 PM PDT this evening ORZ061-062.
     Flash Flood Watch until 10 PM MDT /9 PM PDT/ this evening
     ORZ061>064.

&&

www.weather.gov/Boise

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SHORT TERM...MC
LONG TERM....MC
AVIATION.....JR

In the hours before

Special weather statement, Jul 24, 4:03 PM PDT, 2 hours 49 minutes before

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Local storm report, Jul 24, 4:54 PM PDT, 1 hour 58 minutes before

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Special weather statement, Jul 24, 4:59 PM PDT, 1 hour 53 minutes before

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Special weather statement, Jul 24, 5:39 PM PDT, 1 hour 13 minutes before

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Special weather statement, Jul 24, 5:51 PM PDT, 1 hour 1 minute before

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Special weather statement, Jul 24, 6:28 PM PDT, 24 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 24, 5:51 PM PDT	Special Weather Statement	BOI		39 min
Jul 24, 6:28 PM PDT	Special Weather Statement	BOI	Washington	62 min
Jul 24, 6:59 PM PDT	Special Weather Statement	BOI		61 min
Jul 25, 1:51 PM PDT	Special Weather Statement	BOI	Twin Falls	39 min
Jul 25, 2:15 PM PDT	Special Weather Statement	BOI	Ada	45 min
Jul 25, 2:31 PM PDT	Special Weather Statement	BOI	Gooding	44 min
Jul 25, 2:39 PM PDT	Special Weather Statement	BOI	Twin Falls	51 min
Jul 25, 2:49 PM PDT	Special Weather Statement	BOI	Jerome	41 min
Jul 25, 3:03 PM PDT	Special Weather Statement	BOI	Elmore	42 min
Jul 25, 3:31 PM PDT	Special Weather Statement	BOI	Jerome	44 min
Jul 25, 3:35 PM PDT	Special Weather Statement	BOI	Gooding	40 min
Jul 25, 3:43 PM PDT	Special Weather Statement	BOI	Owyhee	47 min
Jul 25, 3:59 PM PDT	Special Weather Statement	BOI	Elmore	46 min
Jul 25, 4:08 PM PDT	Special Weather Statement	BOI	Gooding	37 min
Jul 24, 5:39 PM PDT	Special Weather Statement	BOI	Baker	36 min
Jul 24, 6:22 PM PDT	Flash Flood Warning Considerable damage threat	BOI	Malheur	4 hr
Jul 24, 8:03 PM PDT	Flash Flood Warning Considerable damage threat	BOI	Baker, Malheur	3 hr
Jul 24, 10:27 PM PDT	Special Weather Statement	BOI	Malheur	48 min

Nearby

Flash Flood Warnings in Oregon, 2024 Every flash flood warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.