Alert archive / Nevada / Red Flag Warnings in 2006

Red Flag Warning 21, NWS Las Vegas, NV

September 18, 20064 counties in Nevada

NWS Las Vegas, NV issued this red flag warning at Sep 18, 2006, 3:16 PM PDT for 4 counties in Nevada. It took effect at Sep 19, 2006, 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
Sep 18, 2006, 3:16 PM PDT (22:16 UTC)
In effect from
Sep 19, 2006, 12:00 PM PDT
Expired
Sep 19, 2006, 8:00 PM PDT
In force
8 hr
Issued by
NWS Las Vegas, NV

Counties Clark County, NV, Esmeralda County, NV, Lincoln County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 215 km from the middle of the area, began a volume at 22:21 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

Mercury/Desert R, NV (KDRA), launched 12:00Z, 10.3 hours before the alert went out and 89 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, Mercury/Desert R, NV at 12:00Z on 2006-09-18Temperature 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, Mercury/Desert R, NV at 12:00Z on 2006-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
3836 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
2 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS85 KVEF 182216
RFWVEF

RED FLAG WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
316 PM PDT MON SEP 18 2006

NVZ460>462-190630-
/O.UPG.KVEF.FW.A.0015.060919T1900Z-060920T0200Z/
/O.NEW.KVEF.FW.W.0021.060919T1900Z-060920T0300Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
316 PM PDT MON SEP 18 2006

...RED FLAG WARNING IN EFFECT FROM 12 PM TO 8 PM PDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 12 PM TO 8 PM PDT TUESDAY. THIS
UPGRADES THE FIRE WEATHER WATCH.

A STRONG AREA OF LOW PRESSURE WILL ENTER THE PACIFIC NORTHWEST
TONIGHT AND MOVE ACROSS THE NORTHERN GREAT BASIN TUESDAY AND
TUESDAY NIGHT. SOUTH WINDS WILL INCREASE IN ADVANCE OF THE SYSTEM
TUESDAY AFTERNOON ACROSS CENTRAL NEVADA. SUSTAINED SOUTH WINDS
NEAR 20 MPH WITH GUSTS TO 35 MPH ARE EXPECTED. THE GUSTY WINDS
WILL COMBINE WITH CONTINUED DRY CONDITIONS AS RELATIVE HUMIDITY
VALUES LOWER TO LESS THAN 15 PERCENT DURING THE AFTERNOON AND
EARLY EVENING HOURS. RH RECOVERY ABOVE 15 PERCENT IS THEN EXPECTED
AFTER 8 PM.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE
EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

NVZ463>465-190630-
/O.NEW.KVEF.FW.W.0021.060919T1900Z-060920T0300Z/
SHEEP RANGE-SPRING MOUNTAINS-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
316 PM PDT MON SEP 18 2006

...RED FLAG WARNING IN EFFECT FROM 12 PM TO 8 PM PDT TUESDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 12 PM TO 8 PM PDT TUESDAY. 

A STRONG AREA OF LOW PRESSURE WILL ENTER THE PACIFIC NORTHWEST
TONIGHT AND MOVE ACROSS THE NORTHERN GREAT BASIN TUESDAY AND
TUESDAY NIGHT. SOUTH WINDS WILL INCREASE IN ADVANCE OF THE SYSTEM
TUESDAY AFTERNOON ACROSS CENTRAL AND SOUTHERN NEVADA. SUSTAINED
SOUTHERLY WINDS BETWEEN 15 AND 20 MPH WITH GUSTS TO 35 MPH ARE
EXPECTED. THE GUSTY WINDS WILL COMBINE WITH DRY CONDITIONS AS
RELATIVE HUMIDITY VALUES LOWER TO LESS THAN 15 PERCENT DURING THE
AFTERNOON AND EARLY EVENING HOURS. RH RECOVERY ABOVE 15 PERCENT IS
THEN EXPECTED AFTER 8 PM.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE
EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

AZZ102-190630-
/O.NEW.KVEF.FW.A.0016.060919T1900Z-060920T0300Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
316 PM MST MON SEP 18 2006

...FIRE WEATHER WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH
TUESDAY EVENING...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT FROM TUESDAY AFTERNOON THROUGH TUESDAY
EVENING. 

A STRONG AREA OF LOW PRESSURE WILL ENTER THE PACIFIC
NORTHWEST TONIGHT AND MOVE ACROSS THE NORTHERN GREAT BASIN TUESDAY
AND TUESDAY NIGHT. SOUTH WINDS WILL INCREASE IN ADVANCE OF THE
SYSTEM TUESDAY AFTERNOON ACROSS NORTHWEST ARIZONA. SUSTAINED
SOUTHERLY WINDS OF 15 AND 20 MPH WITH GUSTS TO 35 MPH ARE
POSSIBLE. THE GUSTY WINDS AND DRY CONDITIONS COULD CREATE
HAZARDOUS FIRE WEATHER CONDITIONS.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

$$
4 follow-up statements
000 
WWUS85 KVEF 190441
RFWVEF

RED FLAG WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
941 PM PDT MON SEP 18 2006

NVZ460>465-191400-
/O.CON.KVEF.FW.W.0021.060919T1900Z-060920T0300Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
SHEEP RANGE-SPRING MOUNTAINS-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
941 PM PDT MON SEP 18 2006

...RED FLAG WARNING REMAINS IN EFFECT FROM 12 PM TO 8 PM PDT
TUESDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...

A STRONG AREA OF LOW PRESSURE ENTERING THE PACIFIC NORTHWEST TONIGHT
WILL MOVE ACROSS THE NORTHERN GREAT BASIN TUESDAY AND TUESDAY
NIGHT. SOUTH WINDS WILL INCREASE IN ADVANCE OF THE SYSTEM TUESDAY
AFTERNOON ACROSS CENTRAL NEVADA. SUSTAINED SOUTH WINDS NEAR 20 MPH
WITH GUSTS TO 35 MPH ARE EXPECTED. THE GUSTY WINDS WILL COMBINE
WITH CONTINUED DRY CONDITIONS AS RELATIVE HUMIDITY VALUES LOWER TO
LESS THAN 15 PERCENT DURING THE AFTERNOON AND EARLY EVENING HOURS.
RH RECOVERY ABOVE 15 PERCENT IS THEN EXPECTED AFTER 8 PM.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE
EXPLOSIVE FIRE GROWTH POTENTIAL.

$$

AZZ102-191400-
/O.CON.KVEF.FW.A.0016.060919T1900Z-060920T0300Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
941 PM MST MON SEP 18 2006

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH TUESDAY EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...

A STRONG AREA OF LOW PRESSURE ENTERING THE PACIFIC NORTHWEST TONIGHT
WILL MOVE ACROSS THE NORTHERN GREAT BASIN TUESDAY AND TUESDAY
NIGHT. SOUTH WINDS WILL INCREASE IN ADVANCE OF THE SYSTEM TUESDAY
AFTERNOON ACROSS NORTHWEST ARIZONA. SUSTAINED SOUTHERLY WINDS OF
15 AND 20 MPH WITH GUSTS TO 35 MPH ARE POSSIBLE. THE GUSTY WINDS
AND DRY CONDITIONS COULD CREATE HAZARDOUS FIRE WEATHER CONDITIONS.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG
WARNINGS.

$$
000 
WWUS85 KVEF 191223
RFWVEF

RED FLAG WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
523 AM PDT TUE SEP 19 2006

AZZ102-191330-
/O.CAN.KVEF.FW.A.0016.060919T1900Z-060920T0300Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-
523 AM MST TUE SEP 19 2006

...FIRE WEATHER WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELED THE FIRE
WEATHER WATCH. 

ALTHOUGH SOUTHWEST WINDS WILL INCREASE THIS AFTERNOON...WIDESPREAD
WIND SPEEDS SUSTAINED AT 20 MPH OR GREAT WITH GUSTS TO 35 MPH OR
GREATER ARE NOT EXPECTED. HOWEVER...MINIMUM RELATIVE HUMIDITIES
WILL CONTINUE TO BE BELOW 15 PERCENT THIS AFTERNOON AND LOCAL
GUSTY WINDS MAY STILL CREATE HAZARDOUS FIRE BEHAVIOR IF STARTED.


$$

NVZ460>465-200030-
/O.CON.KVEF.FW.W.0021.060919T1900Z-060920T0300Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
SHEEP RANGE-SPRING MOUNTAINS-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
523 AM PDT TUE SEP 19 2006

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 8 PM PDT
THIS EVENING FOR LOW RELATIVE HUMIDITY AND STRONG WINDS...

FIRE WEATHER ZONES INCLUDED IN THIS WARNING ARE:

NEVADA ZONES
460 - ESMERALDA AND NYE COUNTY DESERTS
461 - LINCOLN COUNTY
462 - NYE COUNTY DESERTS
463 - SHEEP RANGE
464 - SPRING MOUNTAINS
465 - CLARK AND SW LINCOLN COUNTY DESERTS
 
A STRONG LOW PRESSURE SYSTEM WILL MOVE ACROSS NORTHERN NEVADA THIS
AFTERNOON AND TONIGHT BEFORE SHIFTING TO THE EAST ON WEDNESDAY.
THIS SYSTEM WILL BE RESPONSIBLE FOR INCREASED SOUTH WINDS ACROSS
MUCH OF THE DISTRICT TODAY. SUSTAINED SOUTH WINDS NEAR 20 MPH
WITH GUSTS TO 35 MPH ARE EXPECTED CAN BE EXPECTED THIS AFTERNOON
OVER THE ZONES INCLUDED IN THIS WARNING. THESE GUSTY WINDS WILL COMBINE
WITH CONTINUED DRY CONDITIONS AS RELATIVE HUMIDITY VALUES LOWER TO
LESS THAN 15 PERCENT DURING THE AFTERNOON AND EARLY EVENING HOURS.
RH RECOVERY ABOVE 15 PERCENT IS THEN EXPECTED AFTER 8 PM.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE
EXPLOSIVE FIRE GROWTH POTENTIAL.

$$
000 
WWUS85 KVEF 192227
RFWVEF

RED FLAG WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
327 PM PDT TUE SEP 19 2006

NVZ460>465-200300-
/O.CON.KVEF.FW.W.0021.000000T0000Z-060920T0300Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
SHEEP RANGE-SPRING MOUNTAINS-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
327 PM PDT TUE SEP 19 2006

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING.

NEVADA ZONES 
460 - ESMERALDA AND NYE COUNTY DESERTS 
461 - LINCOLN COUNTY 
462 - NYE COUNTY DESERTS 
463 - SHEEP RANGE
464 - SPRING MOUNTAINS 
465 - CLARK AND SW LINCOLN COUNTY DESERTS

A STRONG LOW PRESSURE SYSTEM WILL CONTINUE ACROSS NORTHERN NEVADA
TONIGHT BEFORE SHIFTING TO THE EAST ON WEDNESDAY. SUSTAINED SOUTH
TO SOUTHWEST WINDS NEAR 20 MPH WITH GUSTS TO 35 MPH ARE EXPECTED
THROUGH THE EVENING OVER THE ZONES INCLUDED IN THIS WARNING.
THESE GUSTY WINDS WILL COMBINE WITH RELATIVE HUMIDITY VALUES
LOWER THAN 15 PERCENT THROUGH EARLY EVENING BEFORE RH RECOVERS ABOVE
15 PERCENT AFTER 8 PM.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE
EXPLOSIVE FIRE GROWTH POTENTIAL.

$$
000 
WWUS85 KVEF 200317
RFWVEF

RED FLAG WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
817 PM PDT TUE SEP 19 2006

NVZ460>465-200430-
/O.EXP.KVEF.FW.W.0021.000000T0000Z-060920T0300Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
SHEEP RANGE-SPRING MOUNTAINS-
CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH-
817 PM PDT TUE SEP 19 2006

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT FOR SOUTHERN NEVADA.
GUSTY SOUTHWEST WINDS WILL DIMINISH AND BECOME NORTHWEST AT 10 TO
20 MPH DURING THE LATE EVENING AND OVERNIGHT HOURS. RELATIVE
HUMIDITY VALUES WILL HAVE LIMITED RECOVERY BUT ARE EXPECTED TO
CLIMB AND REMAIN ABOVE 15 PERCENT.

$$

Nearby

Red Flag Warnings in Nevada, 2006Every red flag warning in 2006

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.