Alert archive / California / Flash Flood Warnings in 2016

Flash Flood Warning 1, NWS Reno, NV

July 2, 2016Mono County, California

NWS Reno, NV issued this flash flood warning at Jul 2, 2016, 4:08 PM PDT for Mono County, California. 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 2, 2016, 4:08 PM PDT (23:08 UTC)
Expired
Jul 2, 2016, 6:45 PM PDT
In force
3 hr
Issued by
NWS Reno, NV
Area
Storm-based polygon
Flood severity
None

County Mono County, CA

The radar

The San Joaquin Valley radar (KHNX), 191 km from the middle of the area, began a volume at 23:08 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, 11.1 hours before the alert went out and 194 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 2016-07-02Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 12:00Z on 2016-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
2993 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

931 
WGUS55 KREV 022308
FFWREV
CAC051-030145-
/O.NEW.KREV.FF.W.0001.160702T2308Z-160703T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RENO NV
408 PM PDT SAT JUL 2 2016

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONO COUNTY IN NORTHERN CALIFORNIA...

* UNTIL 645 PM PDT

* AT 344 PM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE THE MARINA FIRE BURN SCAR. FLASH FLOODING
  AND MUD SLIDES ARE EXPECTED TO BEGIN SHORTLY.

* FLASH FLOODING WILL REMAIN A THREAT ALONG 395 BETWEEN TIOGA LODGE
  AND LEE VINING. THE MUD SLIDE CAN CONSIST OF
  ROCK...MUD...VEGETATION AND OTHER LOOSE MATERIALS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE HEAVY RAINS WILL LIKELY TRIGGER ROCKSLIDES...MUDSLIDES AND
DEBRIS FLOWS IN STEEP TERRAIN...ESPECIALLY IN AND AROUND THESE AREAS.

THIS MAY IMPACT HIGHWAY 395. TRAVELERS ARE URGED TO USE EXTREME
CAUTION. THIS MAY CLOSE THE HIGHWAY FOR AN EXTENDED PERIOD OF TIME. 


&&

LAT...LON 3800 11913 3797 11912 3795 11915 3800 11916

$$

ZT
2 follow-up statements
279 
WGUS75 KREV 030004
FFSREV

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RENO NV
504 PM PDT SAT JUL 2 2016

CAC051-030145-
/O.CON.KREV.FF.W.0001.000000T0000Z-160703T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONO CA-
504 PM PDT SAT JUL 2 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM PDT FOR
MONO COUNTY...

AT 500 PM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. STORMS CONTINUE TO FORM IN THE
AREA AND FLASH FLOODING WILL REMAIN POSSIBLE ALONG HIGHWAY 395
BETWEEN TIOGA LODGE AND LEE VINING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...


FLASH FLOODING AND DEBRIS FLOWS NEAR RECENTLY BURNED AREAS ARE
EXTREMELY DANGEROUS AND CAN DESTROY STRUCTURES AND WASH OUT BRIDGES
AND ROADS. DEBRIS FLOWS OFTEN CONTAIN MASSIVE BOULDERS...BURNED TREES
AND LARGE AMOUNTS OF SEDIMENT AND ASH MOVING AT HIGH RATES OF SPEED.


&&

LAT...LON 3800 11913 3797 11912 3795 11915 3800 11916

$$

ZT
543 
WGUS75 KREV 030141
FFSREV

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RENO NV
641 PM PDT SAT JUL 2 2016

CAC051-030145-
/O.EXP.KREV.FF.W.0001.000000T0000Z-160703T0145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONO CA-
641 PM PDT SAT JUL 2 2016

...THE FLASH FLOOD WARNING FOR MONO COUNTY WILL EXPIRE AT 645 PM
PDT...

RAIN HAS DIMINISHED AROUND THE MARINA FIRE BURN SCAR AND LEE VINING
AREA. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT.

LAT...LON 3800 11913 3797 11912 3795 11915 3800 11916

$$

MJD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 11:30 AM PDTSpecial Weather StatementREVMono60 min

Nearby

Flash Flood Warnings in California, 2016Every flash flood warning 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.