Alert archive / Nevada / Flash Flood Watches in 2021

Flash Flood Watch 2, NWS Elko, NV

July 19, 20214 counties in Nevada

NWS Elko, NV issued this flash flood watch at Jul 19, 2021, 7:58 PM PDT for 4 counties in Nevada. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jul 19, 2021, 7:58 PM PDT (02:58 UTC)
Expired
Jul 19, 2021, 11:00 PM PDT
In force
3 hr
Issued by
NWS Elko, NV
Flood severity
None

Counties Eureka County, NV, Lander County, NV, Nye County, NV, White Pine County, NV

The radar

The Elko radar (KLRX), 164 km from the middle of the area, began a volume at 03:01 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 00:00Z, 3.0 hours before the alert went out and 176 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 00:00Z on 2021-07-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 115 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2021-07-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 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
115 J/kg
Mixed-layer CIN
-110 J/kg
Mixed-layer LCL
2216 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
209 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

145 
WGUS65 KLKN 200258
FFALKN

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Elko NV
758 PM PDT Mon Jul 19 2021

NVZ035-037-040-041-200600-
/O.EXP.KLKN.FF.A.0001.000000T0000Z-210720T0300Z/
/O.NEW.KLKN.FF.A.0002.210720T0300Z-210720T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
White Pine County-Southern Lander County and Southern Eureka County-
Northwestern Nye County-Northeastern Nye County-
Including the cities of Garden Pass, Eureka Airport, Blue Eagle 
Ranch, Preston, Diamond Valley, Ely Airport, Cherry Creek, Tonopah, 
Ely, Duckwater, Hickison Summit, McGill, Lund, Round Mountain, 
Eureka, Ruth, Manhattan, Grass Valley, and Pinto Summit
758 PM PDT Mon Jul 19 2021

...FLASH FLOOD WATCH IN EFFECT UNTIL 11 PM PDT THIS EVENING...
...FLASH FLOOD WATCH WILL EXPIRE AT 8 PM PDT THIS EVENING...

The National Weather Service in Elko has issued a

* Flash Flood Watch for portions of eastern Nevada, north central 
  Nevada and south central Nevada, including the following areas, in 
  eastern Nevada, White Pine County. In north central Nevada, 
  Southern Lander County and Southern Eureka County. In south 
  central Nevada, Northeastern Nye County and Northwestern Nye 
  County.

* Until 11 PM PDT this evening.

* Portions of eastern Nevada, north central Nevada and south central 
  Nevada including

* Flash flooding is possible into the late evening hours as showers 
  and thunderstorms continue across portions of central NV.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

The Flash Flood Watch for portions of eastern Nevada, north central 
Nevada and south central Nevada, including the following areas, in 
eastern Nevada, White Pine County. In north central Nevada, Southern 
Lander County and Southern Eureka County. In south central Nevada, 
Northeastern Nye County and Northwestern Nye County will expire at 8 
PM PDT this evening.

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

$$

96
1 follow-up statement
065 
WGUS65 KLKN 200600
FFALKN

Flood Watch
National Weather Service Elko NV
1100 PM PDT Mon Jul 19 2021

NVZ035-037-040-041-200700-
/O.EXP.KLKN.FF.A.0002.000000T0000Z-210720T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
White Pine County-Southern Lander County and Southern Eureka County-
Northwestern Nye County-Northeastern Nye County-
Including the cities of Garden Pass, Eureka Airport, Blue Eagle 
Ranch, Preston, Diamond Valley, Ely Airport, Cherry Creek, Tonopah, 
Ely, Duckwater, Hickison Summit, McGill, Lund, Round Mountain, 
Eureka, Ruth, Manhattan, Grass Valley, and Pinto Summit
1100 PM PDT Mon Jul 19 2021

...FLASH FLOOD WATCH WILL EXPIRE AT 11 PM PDT THIS EVENING...

The Flash Flood Watch for portions of eastern Nevada, north central 
Nevada and south central Nevada, including the following areas, in 
eastern Nevada, White Pine County. In north central Nevada, Southern 
Lander County and Southern Eureka County. In south central Nevada, 
Northeastern Nye County and Northwestern Nye County will expire at 
11 PM PDT this evening.

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

$$

85

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 5:47 PM PDTAreal Flood AdvisoryLKNLander3 hr
Jul 19, 6:19 PM PDTSpecial Weather StatementLKN41 min
Jul 19, 6:28 PM PDTSpecial Weather StatementLKN47 min
Jul 19, 6:59 PM PDTSpecial Weather StatementLKN46 min
Jul 19, 7:39 PM PDTAreal Flood AdvisoryLKNEsmeralda, Nye111 min

Nearby

Flash Flood Watches in Nevada, 2021Every flash flood watch in 2021

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.