Alert archive / Nevada / Red Flag Warnings in 2017

Red Flag Warning 16, NWS Las Vegas, NV

July 1, 2017Esmeralda County, Nye County, Nevada

NWS Las Vegas, NV issued this red flag warning at Jul 1, 2017, 2:22 AM PDT for Esmeralda County, Nye County, Nevada. It took effect at Jul 1, 2017, 12:00 PM PDT. It was in force for 8 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 1, 2017, 2:22 AM PDT (09:22 UTC)
In effect from
Jul 1, 2017, 12:00 PM PDT
Expired
Jul 1, 2017, 8:00 PM PDT
In force
8 hr
Issued by
NWS Las Vegas, NV

Counties Esmeralda County, NV, Nye County, NV

The nearest sounding before it

Reno, NV (KREV), launched 00:00Z, 9.4 hours before the alert went out and 209 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 2017-07-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 30 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 2017-07-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 8 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
30 J/kg
Mixed-layer CIN
-270 J/kg
Mixed-layer LCL
3555 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
8 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

602 
WWUS85 KVEF 010922
RFWVEF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
222 AM PDT Sat Jul 1 2017

.A weak upper level impulse will pass through the region today 
creating breezy, southerly winds across Esmeralda and Nye 
counties.

NVZ460-462-012200-
/O.NEW.KVEF.FW.W.0016.170701T1900Z-170702T0300Z/
Esmeralda and Nye County Deserts/CNC Dispatch-
Nye County Deserts/Las Vegas Dispatch-
222 AM PDT Sat Jul 1 2017

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM PDT THIS
EVENING FOR NEVADA FIRE WEATHER ZONES 460 AND 462...

The National Weather Service in Las Vegas has issued a Red Flag
Warning, which is in effect from noon today to 8 PM PDT this
evening. 

* AFFECTED AREA...In Nevada...Fire weather zones 460 and 462.

* TIMING...this afternoon and evening.

* WIND...Southerly between 20-25 mph gusting 30-35 mph.

* HUMIDITY...Minimum humidity values between 5 to 10 percent.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$


weather.gov/lasvegas
2 follow-up statements
295 
WWUS85 KVEF 012109
RFWVEF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
209 PM PDT Sat Jul 1 2017

.A weak upper level impulse will pass through the region today
creating breezy, southerly winds across Esmeralda and Nye
counties.

NVZ460-462-020300-
/O.CON.KVEF.FW.W.0016.000000T0000Z-170702T0300Z/
Esmeralda and Nye County Deserts/CNC Dispatch-
Nye County Deserts/Las Vegas Dispatch-
209 PM PDT Sat Jul 1 2017

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR NEVADA FIRE WEATHER ZONES 460 AND 462...

* AFFECTED AREA...In Nevada...Fire weather zones 460 and 462.

* TIMING...this afternoon and evening.

* WIND...Southerly between 20-25 mph gusting 35-40 mph.

* HUMIDITY...Minimum humidity values between 5 to 10 percent.

* IMPACTS...any fires that develop will likely spread rapidly. 
  Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now....or will shortly. A combination of
strong winds...low relative humidity...and warm temperatures can
contribute to extreme fire behavior.

&&

$$


weather.gov/lasvegas
003 
WWUS85 KVEF 020258
RFWVEF

URGENT - FIRE WEATHER MESSAGE
National Weather Service Las Vegas NV
758 PM PDT Sat Jul 1 2017

NVZ460-462-020400-
/O.EXP.KVEF.FW.W.0016.000000T0000Z-170702T0300Z/
Esmeralda and Nye County Deserts/CNC Dispatch-
Nye County Deserts/Las Vegas Dispatch-
758 PM PDT Sat Jul 1 2017

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
NEVADA FIRE WEATHER ZONES 460 AND 462...

South wind gusts have generally decreased to between 20 and 30 
mph this evening and speeds will continue to diminish this evening
and abate after midnight. Relative humidity values will only
recover to between 20 and 25 percent.

$$


weather.gov/lasvegas

Nearby

Red Flag Warnings in Nevada, 2017Every red flag warning in 2017

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.