Alert archive / Nevada / Flash Flood Warnings in 2015

Flash Flood Warning 13, NWS Reno, NV

July 5, 2015Mineral County, Nevada

NWS Reno, NV issued this flash flood warning at Jul 5, 2015, 2:14 PM PDT for Mineral County, Nevada. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 5, 2015, 2:14 PM PDT (21:14 UTC)
Expired
Jul 5, 2015, 5:15 PM PDT
In force
3 hr
Issued by
NWS Reno, NV
Area
Storm-based polygon
Flood severity
None

County Mineral County, NV

The radar

The Reno radar (KRGX), 209 km from the middle of the area, began a volume at 21:14 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, 9.2 hours before the alert went out and 167 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 2015-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Reno, NV at 12:00Z on 2015-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 square meters per square second.1939Sfc1 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
1425 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
26 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

942 
WGUS55 KREV 052114
FFWREV
NVC021-060015-
/O.NEW.KREV.FF.W.0013.150705T2114Z-150706T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RENO NV
214 PM PDT SUN JUL 5 2015

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTH CENTRAL MINERAL COUNTY IN WESTERN NEVADA...

* UNTIL 515 PM PDT
    
* AT 212 PM PDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING 
  HEAVY RAIN JUST NORTH OF MT MONTGOMERY MOVING EAST AT LESS THAN 5 
  MPH. FLASH FLOODING IS LIKELY IN DRY WASHES...WHICH MAY CAUSE A 
  DEBRIS FLOW OVER HIGHWAY 360.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  MOUNT MONTGOMERY...HIGHWAY 360.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. A FEW INCHES OF FAST FLOWING WATER IS
POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD.

&&

LAT...LON 3815 11829 3796 11829 3796 11850 3815 11851

$$

BRONG
2 follow-up statements
335 
WGUS75 KREV 052140
FFSREV

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RENO NV
240 PM PDT SUN JUL 5 2015

NVC021-060015-
/O.CON.KREV.FF.W.0013.000000T0000Z-150706T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MINERAL NV-
240 PM PDT SUN JUL 5 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM PDT FOR
SOUTH CENTRAL MINERAL COUNTY...

AT 235 PM PDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING 
HEAVY RAIN JUST NORTH OF MT MONTGOMERY IS NEARING THE JUNCTION OF 
HIGHWAYS 6 AND 360.
 
FLASH FLOODING IS LIKELY IN AND NEAR DRY WASHES...WHICH MAY CAUSE 
MUD AND DEBRIS FLOWS OVER HIGHWAY 6 AND 360.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... 
MOUNT MONTGOMERY...HIGHWAY 6 NEAR MONTGOMERY PASS AND HIGHWAY 360.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE 
INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE 
USUALLY DEEPER THAN THEY APPEAR. A FEW INCHES OF FAST FLOWING WATER 
IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD.

&&

LAT...LON 3815 11829 3796 11829 3796 11850 3815 11851

$$

BRONG
102 
WGUS75 KREV 052300
FFSREV

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RENO NV
400 PM PDT SUN JUL 5 2015

NVC021-052307-
/O.CAN.KREV.FF.W.0013.000000T0000Z-150706T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MINERAL NV-
400 PM PDT SUN JUL 5 2015

...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL MINERAL COUNTY IS
CANCELLED...

RAINFALL HAS ENDED AT MONTGOMERY PASS NEAR THE JUNCTION OF HIGHWAYS 6 
AND 360. HOWEVER...MUD...ROCKS AND DEBRIS MAY STILL COVER A PORTION 
OF THESE ROADS. TRAVELERS SHOULD USE CAUTION. 

LAT...LON 3815 11829 3796 11829 3796 11850 3815 11851

$$

BRONG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 3:26 PM PDTFlash Flood WarningREVLyon, Mineral3 hr
Jul 5, 3:55 PM PDTSpecial Weather StatementREVLyon, Mineral20 min
Jul 5, 4:17 PM PDTSevere Thunderstorm WarningREVLyon, Mineral43 min
Jul 5, 4:59 PM PDTSevere Thunderstorm WarningREVMineral26 min

Nearby

Flash Flood Warnings in Nevada, 2015Every flash flood warning 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.