Alert archive / Nevada / Red Flag Warnings in 2018

Red Flag Warning 4, NWS Reno, NV

June 24, 2018Washoe County, Nevada; Lassen County, California

NWS Reno, NV issued this red flag warning at Jun 24, 2018, 10:39 AM PDT for Washoe County, Nevada; Lassen County, California. It took effect at Jun 25, 2018, 2:00 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
Jun 24, 2018, 10:39 AM PDT (17:39 UTC)
In effect from
Jun 25, 2018, 2:00 PM PDT
Expired
Jun 25, 2018, 10:00 PM PDT
In force
8 hr
Issued by
NWS Reno, NV

Counties Lassen County, CA, Washoe County, NV

The radar

The Reno radar (KRGX), 116 km from the middle of the area, began a volume at 17:43 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, 5.7 hours before the alert went out and 205 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 2018-06-24Temperature 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 2018-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -37 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3059 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
-37 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

016 
WWUS85 KREV 241739
RFWREV

URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
1039 AM PDT Sun Jun 24 2018

NVZ453-250545-
/O.UPG.KREV.FW.A.0003.180625T2100Z-180626T0600Z/
/O.NEW.KREV.FW.W.0004.180625T2100Z-180626T0500Z/
West Central Nevada Basin and Range-
1039 AM PDT Sun Jun 24 2018

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 10 PM PDT MONDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL NEVADA BASIN AND
RANGE...

The National Weather Service in Reno has issued a Red Flag
Warning for gusty winds and low humidity, which is in effect from
2 PM to 10 PM PDT Monday. The Fire Weather Watch is no longer in
effect.

* AFFECTED AREA...Fire Zone 453 West Central Nevada Basin and 
  Range.

* Winds...West-southwest 15 to 20 mph with gusts up to 40 mph. 
  The strongest gusts are likely north and west of Interstate 80.

* Humidity...5 to 10 percent.

* Duration...6 to 9 hours.

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity before first 
  responders can contain them.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.

&&

$$

CAZ278-NVZ458-250545-
/O.NEW.KREV.FW.W.0004.180625T2100Z-180626T0300Z/
Eastern Lassen County-Northern Washoe County-
1039 AM PDT Sun Jun 24 2018

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 8 PM PDT MONDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR EXTREME NORTHEASTERN CALIFORNIA
AND NORTHWESTERN NEVADA...

The National Weather Service in Reno has issued a Red Flag
Warning for gusty winds and low humidity, which is in effect from
2 PM to 8 PM PDT Monday.

* AFFECTED AREA...Fire Zone 278 Eastern Lassen County and Fire 
  Zone 458 Northern Washoe County.

* Winds...West-southwest 15 to 20 mph with gusts up to 40 mph. 

* Humidity...Around 10 percent.

* Duration...4 to 6 hours. 

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity before first 
  responders can contain them.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.

&&

$$

NVZ450-250545-
/O.NEW.KREV.FW.W.0004.180625T2100Z-180626T0500Z/
Western Nevada Sierra Front-
1039 AM PDT Sun Jun 24 2018

...RED FLAG WARNING IN EFFECT FROM 2 PM TO 10 PM PDT MONDAY FOR
GUSTY WINDS AND LOW HUMIDITY FOR THE WESTERN NEVADA SIERRA 
FRONT...

The National Weather Service in Reno has issued a Red Flag
Warning for gusty winds and low humidity, which is in effect from
2 PM to 10 PM PDT Monday.

* AFFECTED AREA...Fire Zone 450 Western Nevada Sierra Front mainly
  below 5500 feet.

* Winds...West-southwest 15 to 20 mph with gusts up to 35 mph. 

* Humidity...10-15%.

* Duration...4 to 8 hours. 

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity before first 
  responders can contain them.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.

&&

$$

http://weather.gov/reno
5 follow-up statements
522 
WWUS85 KREV 242154
RFWREV

URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
254 PM PDT Sun Jun 24 2018

CAZ278-NVZ458-251500-
/O.CON.KREV.FW.W.0004.180625T2100Z-180626T0300Z/
Eastern Lassen County-Northern Washoe County-
254 PM PDT Sun Jun 24 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 8 PM PDT
MONDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR EXTREME NORTHEASTERN
CALIFORNIA AND NORTHWESTERN NEVADA...

* AFFECTED AREA...Fire Zone 278 Eastern Lassen County and Fire 
  Zone 458 Northern Washoe County.

* Winds...West-southwest 15 to 20 mph with gusts up to 40 mph.

* Humidity...Around 10 percent.

* Duration...4 to 6 hours.

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity before first 
  responders can contain them.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.

&&

$$

NVZ450-453-251500-
/O.CON.KREV.FW.W.0004.180625T2100Z-180626T0500Z/
Western Nevada Sierra Front-West Central Nevada Basin and Range-
254 PM PDT Sun Jun 24 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM TO 10 PM PDT
MONDAY FOR GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL
NEVADA BASIN AND RANGE...

* AFFECTED AREA...Fire Zone 450 Western Nevada Sierra Front and 
  Fire Zone 453 West Central Nevada Basin and Range.

* Winds...West-southwest 15 to 20 mph with gusts up to 40 mph. The
  strongest gusts are likely north of Interstate 80.

* Humidity...5 to 13 percent.

* Duration...6 to 9 hours.

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity before first 
  responders can contain them.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.

&&

$$

http://weather.gov/reno
432 
WWUS85 KREV 251121
RFWREV

URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
421 AM PDT Mon Jun 25 2018

CAZ278-NVZ458-260000-
/O.CON.KREV.FW.W.0004.180625T2100Z-180626T0300Z/
Eastern Lassen County-Northern Washoe County-
421 AM PDT Mon Jun 25 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR
EXTREME NORTHEASTERN CALIFORNIA AND NORTHWESTERN NEVADA...

* AFFECTED AREA...Fire Zone 278 Eastern Lassen County and Fire 
  Zone 458 Northern Washoe County.

* Winds...West-southwest 15 to 25 mph with gusts to 40 mph.

* Humidity...8 to 14 percent.

* Duration...4 to 6 hours.

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity before first 
  responders can contain them.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.

&&

$$

NVZ450-453-260000-
/O.CON.KREV.FW.W.0004.180625T2100Z-180626T0500Z/
Western Nevada Sierra Front-West Central Nevada Basin and Range-
421 AM PDT Mon Jun 25 2018

...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO
10 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE
WEST CENTRAL NEVADA BASIN AND RANGE...

* AFFECTED AREA...Fire Zone 450 Western Nevada Sierra Front and 
  Fire Zone 453 West Central Nevada Basin and Range.

* Winds...West-southwest 15 to 20 mph with gusts 35 to 40 mph. 
  The strongest gusts are likely north of Interstate 80.

* Humidity...5 to 14 percent.

* Duration...6 to 9 hours.

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity before first 
  responders can contain them.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.

&&

$$

http://weather.gov/reno
483 
WWUS85 KREV 252311
RFWREV

URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
411 PM PDT Mon Jun 25 2018

CAZ278-NVZ458-260300-
/O.CON.KREV.FW.W.0004.000000T0000Z-180626T0300Z/
Eastern Lassen County-Northern Washoe County-
411 PM PDT Mon Jun 25 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING
FOR GUSTY WINDS AND LOW HUMIDITY FOR EXTREME NORTHEASTERN
CALIFORNIA AND NORTHWESTERN NEVADA...

* AFFECTED AREA...Fire Zone 278 Eastern Lassen County and Fire 
  Zone 458 Northern Washoe County.

* Winds...West-southwest 15 to 25 mph with gusts to 40 mph.

* Humidity...8 to 14 percent.

* Duration...4 to 6 hours.

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity before first 
  responders can contain them.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.

&&

$$

NVZ450-453-260500-
/O.CON.KREV.FW.W.0004.000000T0000Z-180626T0500Z/
Western Nevada Sierra Front-West Central Nevada Basin and Range-
411 PM PDT Mon Jun 25 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL
NEVADA BASIN AND RANGE...

* AFFECTED AREA...Fire Zone 450 Western Nevada Sierra Front and 
  Fire Zone 453 West Central Nevada Basin and Range.

* Winds...West-southwest 15 to 20 mph with gusts 35 to 40 mph. 
  The strongest gusts are likely north of Interstate 80.

* Humidity...5 to 14 percent.

* Duration...6 to 9 hours.

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity before first 
  responders can contain them.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.

&&

$$

http://weather.gov/reno
220 
WWUS85 KREV 260254
RFWREV

URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
754 PM PDT Mon Jun 25 2018

CAZ278-NVZ458-260400-
/O.EXP.KREV.FW.W.0004.000000T0000Z-180626T0300Z/
Eastern Lassen County-Northern Washoe County-
754 PM PDT Mon Jun 25 2018

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR EXTREME NORTHEASTERN CALIFORNIA
AND NORTHWESTERN NEVADA...

Winds are beginning to weaken with humidity starting to increase
this evening.

$$

NVZ450-453-260500-
/O.CON.KREV.FW.W.0004.000000T0000Z-180626T0500Z/
Western Nevada Sierra Front-West Central Nevada Basin and Range-
754 PM PDT Mon Jun 25 2018

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL
NEVADA BASIN AND RANGE...

* AFFECTED AREA...Fire Zone 450 Western Nevada Sierra Front and 
  Fire Zone 453 West Central Nevada Basin and Range.

* Winds...West-southwest 15 to 20 mph with gusts 35 to 40 mph. 
  The strongest gusts are likely north of Interstate 80.

* Humidity...5 to 14 percent.

* Duration...6 to 9 hours.

* Impacts...The combination of gusty winds and low humidity can 
  cause fire to rapidly grow in size and intensity before first 
  responders can contain them.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outdoor activities that can cause a spark near dry
vegetation, such as yard work, target shooting, or campfires.
Follow local fire restrictions. Check weather.gov/reno for
updates and livingwithfire.info for preparedness tips.

&&

$$

http://weather.gov/reno
790 
WWUS85 KREV 260438
RFWREV

URGENT - FIRE WEATHER MESSAGE
National Weather Service Reno NV
938 PM PDT Mon Jun 25 2018

NVZ450-453-260545-
/O.EXP.KREV.FW.W.0004.000000T0000Z-180626T0500Z/
Western Nevada Sierra Front-West Central Nevada Basin and Range-
938 PM PDT Mon Jun 25 2018

...RED FLAG WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING FOR
GUSTY WINDS AND LOW HUMIDITY FOR THE WEST CENTRAL NEVADA BASIN
AND RANGE...

Winds are beginning to weaken with humidity increasing this 
evening.

$$

http://weather.gov/reno

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 4:22 AM PDTFire Weather WatchREV6 hr
Jun 24, 2:35 PM PDTLake Wind AdvisoryREVChurchill, Douglas, Lyon, Pershing, Storey, Washoe31 hr

Nearby

Red Flag Warnings in Nevada, 2018Red Flag Warnings in California, 2018Every red flag warning in 2018

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.