Alert archive / Nevada / Red Flag Warnings in 2016

Red Flag Warning 5, NWS Las Vegas, NV

July 17, 2016Clark County, Lincoln County, Nye County, Nevada; Mohave County, Arizona

NWS Las Vegas, NV issued this red flag warning at Jul 17, 2016, 3:11 AM PDT for Clark County, Lincoln County, Nye County, Nevada; Mohave County, Arizona. It took effect at Jul 17, 2016, 11:00 AM PDT. It was in force for 9 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 17, 2016, 3:11 AM PDT (10:11 UTC)
In effect from
Jul 17, 2016, 11:00 AM PDT
Expired
Jul 17, 2016, 8:00 PM PDT
In force
9 hr
Issued by
NWS Las Vegas, NV

Counties Mohave County, AZ, Clark County, NV, Lincoln County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 134 km from the middle of the area, began a volume at 10:14 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

Las Vegas, NV (KVEF), launched 00:00Z, 10.2 hours before the alert went out and 74 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, Las Vegas, NV at 00:00Z on 2016-07-17Temperature 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, Las Vegas, NV at 00:00Z on 2016-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 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
5416 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

996 
WWUS85 KVEF 171011
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
311 AM PDT SUN JUL 17 2016

.HOT AND DRY CONDITIONS WILL COMBINE WITH BREEZY WINDS TO BRING
CRITICAL FIRE WEATHER CONDITIONS TO NORTHWEST ARIZONA AND SOUTHEAST
NEVADA TODAY.

AZZ101-NVZ461-463>466-180300-
/O.NEW.KVEF.FW.W.0005.160717T1800Z-160718T0300Z/
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LINCOLN COUNTY/ELY DISPATCH-
SHEEP RANGE-SPRING MOUNTAINS-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
311 AM PDT SUN JUL 17 2016 /311 AM MST SUN JUL 17 2016/

...RED FLAG WARNING IN EFFECT FROM 11 AM PDT /11 AM MST/ THIS
MORNING TO 8 PM PDT /8 PM MST/ THIS EVENING FOR WINDS AND LOW
RELATIVE HUMIDITY FOR FIRE WEATHER ZONES101...461...463...464...
465 AND 466...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM PDT /11 AM MST/ THIS
MORNING TO 8 PM PDT /8 PM MST/ THIS EVENING. 

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 101. IN
  NEVADA...FIRE WEATHER ZONES 461...463...464...465 AND 466.

* TIMING....WINDS WILL INCREASE LATE THIS MORNING...PEAK DURING THE
  AFTERNOON AND DECREASE THIS EVENING.

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS 30 TO 40 MPH.

* HUMIDITY...5 TO 10 PERCENT.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND
  MAY EXHIBIT EXTREME FIRE BEHAVIOR. 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.

&&

$$

AZZ102-180300-
/O.NEW.KVEF.FW.W.0005.160717T1800Z-160718T0300Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
311 AM MST SUN JUL 17 2016

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST
THIS EVENING FOR WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER
ZONE 102...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST
THIS EVENING. 

* AFFECTED AREA...IN ARIZONA...FIRE WEATHER ZONE 102. MAINLY THE
  ARIZONA STRIP IN MOHAVE COUNTY.

* TIMING....WINDS WILL INCREASE LATE THIS MORNING...PEAK DURING THE
  AFTERNOON AND DECREASE THIS EVENING.

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS 30 TO 40 MPH.

* HUMIDITY...10 TO 15 PERCENT.

* THUNDERSTORMS...THERE WILL BE A SLIGHT CHANCE OF ISOLATED
  THUNDERSTORMS WITH DRY LIGHTNING OVER NORTHERN MOHAVE COUNTY
  THIS AFTERNOON.

* IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND
  MAY EXHIBIT EXTREME FIRE BEHAVIOR. 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.

&&

$$

WOLCOTT
1 follow-up statement
261 
WWUS85 KVEF 180246
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
746 PM PDT SUN JUL 17 2016

AZZ101-NVZ461-463>466-180400-
/O.EXP.KVEF.FW.W.0005.000000T0000Z-160718T0300Z/
LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LINCOLN COUNTY/ELY DISPATCH-
SHEEP RANGE-SPRING MOUNTAINS-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
746 PM PDT SUN JUL 17 2016 /746 PM MST SUN JUL 17 2016/

...RED FLAG WARNING WILL EXPIRE AT 8 PM THIS EVENING FOR WINDS AND
LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONES ARIZONA FIRE WEATHER
ZONE 101 AND NEVADA FIRE WEATHER ZONES 461...463...464...465 AND
466...

WIND GUSTS WERE GRADUALLY DECREASING ACROSS MUCH OF SOUTHEAST
NEVADA AND WILL DROP TO BETWEEN 15 AND 25 MPH THROUGH THE EVENING.


$$

AZZ102-180400-
/O.EXP.KVEF.FW.W.0005.000000T0000Z-160718T0300Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
746 PM MST SUN JUL 17 2016

...RED FLAG WARNING WILL EXPIRE AT 8 PM MST THIS EVENING FOR
WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 102...

WIND GUSTS WERE GRADUALLY DECREASING ACROSS NORTHWEST ARIZONA AND
WILL DROP TO BETWEEN 15 AND 25 MPH THROUGH THE EVENING.

$$


HTTP://WEATHER.GOV/LASVEGAS

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 17, 3:11 AM PDTLake Wind AdvisoryVEF17 hr

Nearby

Red Flag Warnings in Nevada, 2016Red Flag Warnings in Arizona, 2016Every red flag warning in 2016

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.