Alert archive / Nevada / Flash Flood Warnings in 2007

Flash Flood Warning 9, NWS Reno, NV

July 16, 2007Mineral County, Nevada

NWS Reno, NV issued this flash flood warning at Jul 16, 2007, 3:45 PM PDT for Mineral County, Nevada. It took effect at Jul 16, 2007, 3:52 PM PDT. 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 counties it named.

The facts

Issued
Jul 16, 2007, 3:45 PM PDT (22:45 UTC)
In effect from
Jul 16, 2007, 3:52 PM PDT
Expired
Jul 16, 2007, 6:30 PM PDT
In force
3 hr
Issued by
NWS Reno, NV
Area
Whole counties

County Mineral County, NV

The radar

The Reno radar (KRGX), 162 km from the middle of the area, began a volume at 22:48 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, 10.8 hours before the alert went out and 116 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 2007-07-16Temperature 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 2007-07-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
3078 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
63 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 162252
FFWREV
NVC021-170130-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RENO NV
345 PM PDT MON JUL 16 2007

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

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

* UNTIL 630 PM PDT

* AT 345 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
THUNDERSTORMS DEVELOPING REPEATEDLY ALONG THE STEEP SLOPES OF THE 
WASSUK RANGE JUST WEST OF WALKER LAKE. RADAR HAS ESTIMATED THAT 
BETWEEN 1 TO 1.5 INCHES OF RAIN HAS FALLEN SINCE 230 PM PDT IN THE 
AREA JUST WEST OF US HIGHWAY 95. STRONG THUNDERSTORMS WITH 
ADDITIONAL HEAVY RAINFALL ARE EXPECTED TO CONTINUE IN THIS AREA.

WALKER LAKE...ALONG WITH THE WALKER LAKE STATE RECREATION AREA ARE 
IN THIS FLASH FLOOD WARNING. SECTIONS OF US HIGHWAY 95 ARE ALSO IN 
THIS WARNING.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO 
CROSS WATER COVERED BRIDGES...DIPS...OR LOW WATER CROSSINGS. NEVER 
TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO 
ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

LAT...LON 3843 11889 3855 11873 3878 11872 3887 11888

$$
CS
2 follow-up statements
000 
WGUS75 KREV 162349
FFSREV

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RENO NV
442 PM PDT MON JUL 16 2007

NVC021-170130-
MINERAL NV-
446 PM PDT MON JUL 16 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM PDT FOR WEST
CENTRAL MINERAL COUNTY...

AT 445 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR ESTIMATED 
RAINFALL AMOUNTS OVER AN INCH IN STEEP TERRAIN WEST OF HIGHWAY 95 
NEAR WALKER LAKE. ALTHOUGH THE RAIN HAS DIMINISHED IN THIS 
AREA...THE POTENTIAL FOR LOCAL FLOODING AND RUNOFF ONTO HIGHWAY 95 
WEST OF WALKER LAKE WILL CONTINUE THROUGH EARLY THIS EVENING.

WALKER LAKE...ALONG WITH THE WALKER LAKE STATE RECREATION AREA 
ARE IN THIS FLASH FLOOD WARNING.

IN HILLY TERRAIN THERE ARE NUMEROUS LOW WATER CROSSINGS WHICH ARE 
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS 
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF 
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

LAT...LON 3843 11889 3855 11873 3878 11872 3887 11888

$$
MJD
000 
WGUS75 KREV 170123
FFSREV

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE RENO NV
621 PM PDT MON JUL 16 2007

NVC021-170141-
MINERAL NV-
621 PM PDT MON JUL 16 2007

...THE FLASH FLOOD WARNING WILL EXPIRE AT 630 PM PDT FOR WEST CENTRAL
MINERAL COUNTY...

ISOLATED SHOWERS AND THUNDERSTORMS WILL MOVE ACROSS PORTIONS OF 
WESTERN MINERAL COUNTY THROUGH THIS EVENING...BUT THE THREAT OF 
FLASH FLOODING HAS DIMINISHED. NO FLOODING WAS REPORTED ALONG 
HIGHWAY 95 NEAR WALKER LAKE. 

LAT...LON 3843 11889 3855 11873 3878 11872 3887 11888

$$
MJD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 7:06 AM PDTFire Weather WatchREVWashoe8 hr
Jul 16, 2:58 PM PDTFire Weather WatchREV24 hr
Jul 16, 2:58 PM PDTRed Flag WarningREVWashoe30 hr
Jul 16, 4:19 PM PDTSevere Thunderstorm WarningREVLyon41 min
Jul 16, 4:36 PM PDTSevere Thunderstorm WarningREVLyon, Mineral39 min
Jul 16, 4:47 PM PDTFlash Flood WarningREVLyon2 hr

Nearby

Flash Flood Warnings in Nevada, 2007Every flash flood warning in 2007

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.