Alert archive / Nevada / Flash Flood Watches in 2014

Flash Flood Watch 5, NWS Reno, NV

July 29, 20147 counties in Nevada; Mono County, California

NWS Reno, NV issued this flash flood watch at Jul 29, 2014, 12:28 PM PDT for 7 counties in Nevada; Mono County, California. It took effect at Jul 30, 2014, 12:00 PM PDT. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jul 29, 2014, 12:28 PM PDT (19:28 UTC)
In effect from
Jul 30, 2014, 12:00 PM PDT
Expired
Jul 30, 2014, 5:32 PM PDT
In force
6 hr
Issued by
NWS Reno, NV
Flood severity
None

Counties Mono County, CA, Churchill County, NV, Douglas County, NV, Lyon County, NV, Mineral County, NV, Pershing County, NV, Storey County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 62 km from the middle of the area, began a volume at 19:30 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, 7.5 hours before the alert went out and 75 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, Reno, NV at 12:00Z on 2014-07-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Reno, NV at 12:00Z on 2014-07-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2879 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
137 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 5:33 PM PDTSpecial Weather StatementREVStorey42 min
Jul 28, 6:04 PM PDTSpecial Weather StatementREVStorey41 min
Jul 28, 6:36 PM PDTAreal Flood AdvisoryREVWashoe114 min
Jul 29, 4:36 PM PDTSpecial Weather StatementREVPershing114 min
Jul 29, 4:41 PM PDTSpecial Weather StatementREVPershing2 hr
Jul 29, 1:52 PM PDTSpecial Weather StatementREVAlpine, Mono83 min
Jul 29, 4:56 PM PDTSpecial Weather StatementREVAlpine64 min

Nearby

Flash Flood Watches in Nevada, 2014Flash Flood Watches in California, 2014Every flash flood watch 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.