Alert archive / Nevada / Flash Flood Warnings in 2008

Flash Flood Warning 2, NWS Reno, NV

January 5, 2008Lyon County, Nevada

NWS Reno, NV issued this flash flood warning at Jan 5, 2008, 4:58 AM PST for Lyon County, Nevada. It was in force for 5 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jan 5, 2008, 4:58 AM PST (12:58 UTC)
Expired
Jan 5, 2008, 10:15 AM PST
In force
5 hr
Issued by
NWS Reno, NV
Area
Storm-based polygon
Flood severity
None

County Lyon County, NV

The radar

The Reno radar (KRGX), 28 km from the middle of the area, began a volume at 13:00 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.

What was reported inside it

TimeReportWhereRemark
Jan 5, 5:46 AM PSTFLASH FLOODFernley, NVRENO NHP REPORTED A LEVEE BREAK ALONG THE TRUCKEE CANAL NEAR FARM DISTRICT ROAD AND RICCI ROAD IN FERNLEY. THEY REPORTED THAT APPROXIMATELY 200 HOMES WERE UNDER 3 FEET OF WATER.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 1.0 hours before the alert went out and 90 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 2008-01-05Temperature 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 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 2008-01-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 square meters per square second.1939587897117Sfc1 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
925 m above ground
0-6 km bulk shear
86 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
250 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.

000 
WGUS55 KREV 051303
FFWREV
NVC019-051600-
/O.NEW.KREV.FF.W.0002.080105T1258Z-080105T1600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RENO NV
458 AM PST SAT JAN 5 2008

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTH CENTRAL LYON COUNTY IN WESTERN NEVADA...

* UNTIL 800 AM PST

* AT 457 AM PST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH   
FLOODING FROM A BROKEN LEVEE OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FERNLEY

FLOOD WATER FROM A BROKEN LEVEE ALONG THE TRUCKEE CANAL WILL 
CONTINUE TO CAUSE FLOODING OF THE AREA AROUND FARM DISTRICT AND 
RICCI ROAD IN FERNLEY. RENO NHP REPORTED THAT APPROXIMATELY 200 
HOMES IN THE AREA ARE UNDER 3 FEET OF WATER. ADDITIONALLY...COUNTRY 
ROADS AND FARMLANDS ALONG THE BANKS OF THE TRUCKEE CANAL AND OTHER 
LOW LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING. IF YOU ARE 
IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS 
LIVING ALONG THE TRUCKEE CANAL AND NEARBY STREAMS AND CREEKS SHOULD 
TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT 
ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH 
BY FOOT OR BY AUTOMOBILE.

LAT...LON 3955 11933 3955 11931 3962 11927 3963 11920
      3964 11920 3967 11912 3941 11915 3941 11937
TIME...MOT...LOC 1258Z 180DEG 0KT 3958 11924

$$

OHARA
2 follow-up statements
000 
WGUS55 KREV 051355
FFWREV
NVC019-051615-
/O.EXT.KREV.FF.W.0002.000000T0000Z-080105T1615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RENO NV
555 AM PST SAT JAN 5 2008

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTH CENTRAL LYON COUNTY IN WESTERN NEVADA...

* UNTIL 800 AM PST

* AT 457 AM PST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH   
FLOODING FROM A BROKEN LEVEE OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FERNLEY

FLOOD WATER FROM A BROKEN LEVEE ALONG THE TRUCKEE CANAL WILL 
CONTINUE TO CAUSE FLOODING OF THE AREA AROUND FARM DISTRICT AND 
RICCI ROAD IN FERNLEY. RENO NHP REPORTED THAT APPROXIMATELY 200 
HOMES IN THE AREA ARE UNDER 3 FEET OF WATER. ADDITIONALLY...COUNTRY 
ROADS AND FARMLANDS ALONG THE BANKS OF THE TRUCKEE CANAL AND OTHER 
LOW LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING. IF YOU ARE 
IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS 
LIVING ALONG THE TRUCKEE CANAL AND NEARBY STREAMS AND CREEKS SHOULD 
TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT 
ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH 
BY FOOT OR BY AUTOMOBILE.

LAT...LON 3955 11933 3955 11931 3962 11927 3963 11920
      3964 11920 3967 11912 3941 11915 3941 11937
TIME...MOT...LOC 1258Z 180DEG 0KT 3958 11924

$$

OHARA
000 
WGUS55 KREV 051551
FFWREV
NVC019-051815-
/O.EXT.KREV.FF.W.0002.000000T0000Z-080105T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RENO NV
750 AM PST SAT JAN 5 2008

THE NATIONAL WEATHER SERVICE IN RENO HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  NORTH CENTRAL LYON COUNTY IN WESTERN NEVADA...

* UNTIL 1015 AM PST

* AT 740 AM PST...LOCAL LAW ENFORCEMENT OFFICIALS CONTINUED TO 
REPORT FLASH FLOODING FROM A BROKEN LEVEE OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FERNLEY

FLOOD WATER FROM A BROKEN LEVEE ALONG THE TRUCKEE CANAL WILL 
CONTINUE TO CAUSE FLOODING OF THE AREA AROUND FARM DISTRICT ROAD AND 
RICCI ROAD IN FERNLEY. LYON COUNTY SHERIFFS OFFICE HAS REPORTED THAT 
THE FLOODING HAS EXPANDED TO SHADOW MOUNTAIN DRIVE AND COTTONWOOD 
LANE. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF 
THE TRUCKEE CANAL AND OTHER LOW LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING. IF YOU ARE 
IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS 
LIVING ALONG THE TRUCKEE CANAL AND NEARBY STREAMS AND CREEKS SHOULD 
TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT 
ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH 
BY FOOT OR BY AUTOMOBILE.

LAT...LON 3955 11933 3955 11931 3962 11927 3963 11920
      3964 11920 3967 11912 3941 11915 3941 11937
TIME...MOT...LOC 1536Z 180DEG 0KT 3959 11923

$$

JHW

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 5, 3:17 AM PSTLake Wind AdvisoryREVChurchill, Lyon, Pershing, Washoe15 hr
Jan 5, 3:17 AM PSTWinter Storm WatchREVLyon, Mineral8 hr
Jan 5, 11:07 AM PSTSnow AdvisoryREVChurchill, Lyon, Pershing, Washoe17 hr

Nearby

Flash Flood Warnings in Nevada, 2008Every flash flood warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.