Alert archive / Nevada / Red Flag Warnings in 2016

Red Flag Warning 10, NWS Las Vegas, NV

October 13, 2016San Bernardino County, California; Clark County, Lincoln County, Nevada

NWS Las Vegas, NV issued this red flag warning at Oct 13, 2016, 2:15 PM PDT for San Bernardino County, California; Clark County, Lincoln County, Nevada. It took effect at Oct 14, 2016, 12:00 PM PDT. It was in force for 31 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
Oct 13, 2016, 2:15 PM PDT (21:15 UTC)
In effect from
Oct 14, 2016, 12:00 PM PDT
Expired
Oct 15, 2016, 7:05 PM PDT
In force
31 hr
Issued by
NWS Las Vegas, NV

Counties San Bernardino County, CA, Clark County, NV, Lincoln County, NV

The radar

The Las Vegas radar (KESX), 72 km from the middle of the area, began a volume at 21:14 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 12:00Z, 9.3 hours before the alert went out and 23 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 12:00Z on 2016-10-13Temperature 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 12:00Z on 2016-10-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -18 square meters per square second.19395878Sfc1 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
3405 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
-18 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

766 
WWUS85 KVEF 132115
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
215 PM PDT THU OCT 13 2016

.WINDS ARE EXPECTED TO INCREASE ACROSS THE MOJAVE DESERT AND FAR
SOUTHERN NEVADA FRIDAY AFTERNOON AND EARLY EVENING. COMBINED WITH
LOW RELATIVE HUMIDITIES...CRITICAL FIRE WEATHER CONDITIONS ARE
ANTICIPATED.

CAZ228-NVZ465-466-140515-
/O.UPG.KVEF.FW.A.0006.161014T1800Z-161015T0600Z/
/O.NEW.KVEF.FW.W.0010.161014T1900Z-161015T0400Z/
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
215 PM PDT THU OCT 13 2016

...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM PDT FRIDAY FOR GUSTY
WINDS AND LOW RELATIVE HUMIDITY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG
WARNING FOR CA ZONE 228 AND NV ZONES 465 AND 466...WHICH IS IN
EFFECT FROM NOON TO 9 PM PDT FRIDAY. THIS REPLACES THE FIRE WEATHER
WATCH WHICH HAD BEEN IN EFFECT.

* TIMING...FROM NOON FRIDAY THROUGH FRIDAY EVENING.

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 35 MPH.

* MINIMUM HUMIDITY...10 TO 15 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.

&&

$$

MORGAN

WEATHER.GOV/LASVEGAS
7 follow-up statements
834 
WWUS85 KVEF 140456
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
956 PM PDT THU OCT 13 2016

.WINDS ARE EXPECTED TO INCREASE ACROSS THE MOJAVE DESERT AND FAR
SOUTHERN NEVADA FRIDAY AFTERNOON AND EARLY EVENING. COMBINED WITH
LOW RELATIVE HUMIDITIES...CRITICAL FIRE WEATHER CONDITIONS ARE
ANTICIPATED.

CAZ228-NVZ465-466-141400-
/O.CON.KVEF.FW.W.0010.161014T1900Z-161015T0400Z/
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
956 PM PDT THU OCT 13 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM PDT
FRIDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...

* TIMING...FROM NOON FRIDAY THROUGH FRIDAY EVENING.

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 35 MPH.

* MINIMUM HUMIDITY...10 TO 15 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
709 
WWUS85 KVEF 141151
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
451 AM PDT FRI OCT 14 2016

.WINDS ARE EXPECTED TO INCREASE ACROSS THE MOJAVE DESERT AND FAR
SOUTHERN NEVADA THIS AFTERNOON AND EARLY EVENING. COMBINED WITH LOW
RELATIVE HUMIDITIES...CRITICAL FIRE WEATHER CONDITIONS ARE
ANTICIPATED.

CAZ228-NVZ465-466-150400-
/O.CON.KVEF.FW.W.0010.161014T1900Z-161015T0400Z/
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
451 AM PDT FRI OCT 14 2016

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM PDT
THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...

* TIMING...FROM NOON TODAY THROUGH FRIDAY EVENING.

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 35 MPH.

* MINIMUM HUMIDITY...10 TO 15 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
311 
WWUS85 KVEF 141838
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1138 AM PDT FRI OCT 14 2016

.WINDS ARE INCREASING ACROSS THE MOJAVE DESERT AND FAR SOUTHERN
NEVADA. COMBINED WITH LOW RELATIVE HUMIDITIES...CRITICAL FIRE
WEATHER CONDITIONS ARE ANTICIPATED. THESE CONDITIONS WILL PERSIST
THROUGH TOMORROW IN SOUTHERN NEVADA...BUT HUMIDITIES WILL RISE IN
SOUTHEAST CALIFORNIA AND LESSEN THE FIRE DANGER THERE.

NVZ465-466-150400-
/O.EXT.KVEF.FW.W.0010.161014T1900Z-161016T0400Z/
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
1138 AM PDT FRI OCT 14 2016

...RED FLAG WARNING NOW IN EFFECT UNTIL 9 PM PDT SATURDAY FOR
STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONES 465 AND 466...

* TIMING...THROUGH SATURDAY EVENING. HUMIDITIES WILL RISE ABOVE 15
  PERCENT OVERNIGHT...BUT CRITICAL CONDITIONS WILL RETURN BY LATE
  SATURDAY MORNING.

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 35 MPH.

* MINIMUM HUMIDITY...10 TO 15 PERCENT DURING THE DAY.

* 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.

&&

$$

CAZ228-150400-
/O.CON.KVEF.FW.W.0010.161014T1900Z-161015T0400Z/
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-
1138 AM PDT FRI OCT 14 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING
FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONE 228...

* TIMING...THROUGH THIS EVENING.

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 35 MPH.

* MINIMUM HUMIDITY...10 TO 15 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.

&&

$$

MORGAN

WEATHER.GOV/LASVEGAS
940 
WWUS85 KVEF 150339
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
839 PM PDT FRI OCT 14 2016

CAZ228-150445-
/O.EXP.KVEF.FW.W.0010.000000T0000Z-161015T0400Z/
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-
839 PM PDT FRI OCT 14 2016

...RED FLAG WARNING WILL EXPIRE AT 9 PM PDT THIS EVENING FOR
STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONE 228...

RELATIVE HUMIDITY VALUES ARE RISING ABOVE 15 PERCENT WHILE GUSTY
WINDS ABOVE 35 MPH ONLY LOCALLY OCCURRED. THE RED FLAG WARNING WILL
BE ALLOWED TO EXPIRE.

$$

NVZ465-466-151300-
/O.CON.KVEF.FW.W.0010.000000T0000Z-161016T0400Z/
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
839 PM PDT FRI OCT 14 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT SATURDAY FOR
STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONES 465 AND 466...

* TIMING...WINDS WILL SUBSIDE OVERNIGHT WHILE HUMIDITY VALUES
  RECOVER ABOVE 15 PERCENT. WINDS WILL INCREASE AGAIN SATURDAY
  AFTERNOON WHILE HUMIDITY VALUES LOWER BELOW 15 PERCENT.

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 35 MPH.

* MINIMUM HUMIDITY...10 TO 15 PERCENT DURING THE DAY.

* 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
784 
WWUS85 KVEF 151050
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
350 AM PDT SAT OCT 15 2016

.RED FLAG WARNING FOR NV ZONES 465 AND 466 THROUGH THIS EVENING.
WINDS EXPECTED TO BE A BIT STRONGER THAN YESTERDAY. RH VALUES WILL
BRIEFLY DIP BELOW 15 PERCENT IN MOST LOCATIONS IN THE WARNING
DURING THE AFTERNOON FOR ROUGHLY 3 TO 4 HOURS.

NVZ465-466-151900-
/O.CON.KVEF.FW.W.0010.000000T0000Z-161016T0400Z/
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
350 AM PDT SAT OCT 15 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING
FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONES 465 AND 466...

* TIMING...WINDS WILL INCREASE AGAIN THIS AFTERNOON WHILE HUMIDITY
  VALUES LOWER BELOW 15 PERCENT.

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 35 MPH.

* MINIMUM HUMIDITY...10 TO 15 PERCENT PRIMARILY DURING THE AFTERNOON
  HOURS. 

* 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
401 
WWUS85 KVEF 151811
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1111 AM PDT SAT OCT 15 2016

.RED FLAG WARNING FOR NV ZONES 465 AND 466 THROUGH THIS EVENING.
WINDS EXPECTED TO BE A BIT STRONGER THAN YESTERDAY. RH VALUES
WILL BRIEFLY DIP BELOW 15 PERCENT IN MOST LOCATIONS IN THE
WARNING DURING THE AFTERNOON FOR ROUGHLY 3 TO 4 HOURS.

NVZ465-466-160400-
/O.CON.KVEF.FW.W.0010.000000T0000Z-161016T0400Z/
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
1111 AM PDT SAT OCT 15 2016

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING
FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONES 465 AND 466...

* TIMING...WINDS WILL INCREASE AGAIN THIS AFTERNOON WHILE 
  HUMIDITY VALUES LOWER BELOW 15 PERCENT. 

* WIND...SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 35 MPH.

* MINIMUM HUMIDITY...10 TO 15 PERCENT PRIMARILY DURING THE
  AFTERNOON HOURS. 

* 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.

&&

$$

MORGAN

WEATHER.GOV/LASVEGAS
234 
WWUS85 KVEF 160205
RFWVEF

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
705 PM PDT SAT OCT 15 2016

NVZ465-466-160315-
/O.CAN.KVEF.FW.W.0010.000000T0000Z-161016T0400Z/
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
LAKE MEAD NRA/COLORADO RIVER-NV SIDE-
705 PM PDT SAT OCT 15 2016

...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS AND LOW RH FOR
FIRE WEATHER ZONES 465 AND 466...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE RED
FLAG WARNING. 

RELATIVE HUMIDITY READINGS HAVE STARTED TO RECOVER WELL ABOVE 15
PERCENT WHILE WIND SPEEDS HAVE WEAKENED FROM THEIR PEAK SPEEDS LATE
IN THE AFTERNOON.

$$

WEATHER.GOV/LASVEGAS

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 2:20 PM PDTWind AdvisoryVEFInyo34 hr

Nearby

Red Flag Warnings in Nevada, 2016Red Flag Warnings in California, 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.