Alert archive / Nevada / Flash Flood Watches in 2015

Flash Flood Watch 2, NWS Elko, NV

July 3, 20155 counties in Nevada

NWS Elko, NV issued this flash flood watch at Jul 3, 2015, 10:55 AM PDT for 5 counties in Nevada. It took effect at Jul 4, 2015, 11:00 AM PDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Jul 3, 2015, 10:55 AM PDT (17:55 UTC)
In effect from: Jul 4, 2015, 11:00 AM PDT
Expired: Jul 4, 2015, 7:36 PM PDT
In force: 9 hr
Issued by: NWS Elko, NV
Flood severity: None

Counties Elko County, NV, Eureka County, NV, Lander County, NV, Nye County, NV, White Pine County, NV

The radar

The Elko radar (KLRX), 133 km from the middle of the area, began a volume at 17:54 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

Reno, NV (KREV), launched 12:00Z, 5.9 hours before the alert went out and 188 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: 3 J/kg
Mixed-layer CIN: -288 J/kg
Mixed-layer LCL: 1858 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 45 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Elko, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 3, 1:33 PM PDT	Special Weather Statement	LKN		57 min
Jul 3, 1:46 PM PDT	Areal Flood Advisory	LKN	Elko, Humboldt	3 hr
Jul 3, 3:05 PM PDT	Special Weather Statement	LKN		55 min
Jul 3, 3:39 PM PDT	Areal Flood Advisory	LKN	Elko	3 hr
Jul 3, 4:51 PM PDT	Areal Flood Advisory	LKN	Humboldt	3 hr
Jul 3, 4:54 PM PDT	Areal Flood Advisory	LKN	Eureka, Lander	3 hr

Nearby

Flash Flood Watches in Nevada, 2015 Every flash flood watch in 2015

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.