Alert archive / Oregon / Flash Flood Watches in 2016

Flash Flood Watch 3, NWS Boise, ID

May 14, 2016Baker County, Oregon

NWS Boise, ID issued this flash flood watch at May 14, 2016, 10:03 AM PDT for Baker County, Oregon. It took effect at May 14, 2016, 5:00 PM PDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued: May 14, 2016, 10:03 AM PDT (17:03 UTC)
In effect from: May 14, 2016, 5:00 PM PDT
Expired: May 14, 2016, 10:08 PM PDT
In force: 5 hr
Issued by: NWS Boise, ID
Flood severity: None

County Baker County, OR

The radar

The Pendleton radar (KPDT), 143 km from the middle of the area, began a volume at 17:04 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

Boise Airport, ID (KBOI), launched 12:00Z, 5.1 hours before the alert went out and 173 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2801 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 91 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 flash flood watch 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 watch went out at May 14, 8:05 AM PDT, 1 hour 58 minutes earlier.

Area forecast discussion, May 14, 8:05 AM PDT, 1 hour 58 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
May 14, 10:19 AM PDT	Flood Watch	BOI	Adams, Gem, Valley, Washington	12 hr
May 14, 3:32 PM PDT	Special Weather Statement	BOI	Twin Falls	58 min
May 14, 4:26 PM PDT	Flash Flood Warning	BOI	Baker, Malheur	3 hr
May 14, 4:56 PM PDT	Flash Flood Warning	BOI	Baker	3 hr

Nearby

Flash Flood Watches in Oregon, 2016 Every flash flood watch in 2016

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.