Alert archive / Nevada / Red Flag Warnings in 2007
Red Flag Warning 9, NWS Las Vegas, NV
NWS Las Vegas, NV issued this red flag warning at May 11, 2007, 6:10 AM PDT for 4 counties in Nevada. It took effect at May 11, 2007, 10:00 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
- May 11, 2007, 6:10 AM PDT (13:10 UTC)
- In effect from
- May 11, 2007, 10:00 AM PDT
- Expired
- May 11, 2007, 7:00 PM PDT
- In force
- 9 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 13:07 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, 1.2 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 6260 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS85 KVEF 111310 RFWVEF RED FLAG WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 610 AM PDT FRI MAY 11 2007 ...RED FLAG WARNING IN EFFECT FOR SOUTHERN NEVADA FROM 10 AM THIS MORNING TO 7 PM PDT THIS EVENING DUE TO GUSTY WINDS AND SINGLE DIGIT RELATIVE HUMIDITY... ...FIRE WEATHER WATCH IN EFFECT FOR NORTHWEST ARIZONA AND LINCOLN COUNTY FROM SATURDAY MORNING THROUGH SATURDAY EVENING DUE TO GUSTY WINDS AND VERY LOW RELATIVE HUMIDITY... .VERY DRY CONDITIONS WILL PREVAIL ACROSS THE SOUTHERN GREAT BASIN AND MOJAVE DESERT TODAY THROUGH THE WEEKEND. RELATIVE HUMIDITY RECOVERY WILL BE POOR DURING THE OVERNIGHT HOURS WITH SINGLE DIGIT HUMIDITY READINGS AND GUSTY SOUTH WINDS DURING THE AFTERNOON AND EARLY EVENING HOURS. NVZ461-112300- /O.NEW.KVEF.FW.W.0009.070511T1700Z-070512T0200Z/ /O.NEW.KVEF.FW.A.0005.070512T1700Z-070513T0200Z/ LINCOLN COUNTY/ELY DISPATCH- 610 AM PDT FRI MAY 11 2007 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM PDT THIS EVENING DUE TO GUSTY WINDS AND VERY LOW RELATIVE HUMIDITY... ...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING DUE TO GUSTY WINDS AND VERY LOW RELATIVE HUMIDITY... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING FOR LINCOLN COUNTY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM PDT THIS EVENING. A FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH IS IN EFFECT FOR LINCOLN COUNTY FROM SATURDAY MORNING THROUGH SATURDAY EVENING. SINGLE DIGIT RELATIVE HUMIDITY READINGS WILL COMBINE WITH SOUTH WINDS BETWEEN 15 AND 25 MPH WITH GUSTS TO 35 MPH TO CREATE CRITICAL FIRE WEATHER CONDITIONS. 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. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ NVZ460-462>465-112300- /O.NEW.KVEF.FW.W.0009.070511T1700Z-070512T0200Z/ ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH-SHEEP RANGE- SPRING MOUNTAINS- CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH- 610 AM PDT FRI MAY 11 2007 ...RED FLAG WARNING IN EFFECT FROM 10 AM THIS MORNING TO 7 PM PDT THIS EVENING DUE TO GUSTY WINDS AND VERY LOW RELATIVE HUMIDITY... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING FOR ESMERALDA...NYE AND CLARK COUNTIES...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM PDT THIS EVENING. SINGLE DIGIT RELATIVE HUMIDITY READINGS WILL COMBINE WITH SOUTH WINDS BETWEEN 15 AND 25 MPH WITH GUSTS TO 35 MPH TO CREATE CRITICAL FIRE WEATHER CONDITIONS. STRONGEST WINDS WILL OCCUR IN ESMERALDA...NYE AND NORTHWEST CLARK COUNTY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. $$ AZZ102-112300- /O.NEW.KVEF.FW.A.0005.070512T1700Z-070513T0200Z/ NORTHWEST DESERTS/NORTHWEST PLATEAU- 610 AM MST FRI MAY 11 2007 ...FIRE WEATHER WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING FOR GUSTY WINDS AND VERY LOW RELATIVE HUMIDITY... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A FIRE WEATHER WATCH FOR NORTHWEST ARIZONA...WHICH IS IN EFFECT FROM SATURDAY MORNING THROUGH SATURDAY EVENING. SINGLE DIGIT RELATIVE HUMIDITY READINGS WILL COMBINE WITH SOUTH WINDS BETWEEN 15 AND 20 MPH WITH GUSTS TO 35 MPH TO CREATE CRITICAL FIRE WEATHER CONDITIONS SATURDAY. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ PIERCE
2 follow-up statements
000 WWUS85 KVEF 112156 RFWVEF RED FLAG WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 256 PM PDT FRI MAY 11 2007 ...RED FLAG WARNING REMAINS IN EFFECT FOR SOUTHERN NEVADA FROM UNTIL 7 PM PDT THIS EVENING DUE TO GUSTY WINDS AND SINGLE DIGIT RELATIVE HUMIDITY... ...FIRE WEATHER WATCH IN EFFECT FOR NORTHWEST ARIZONA AND LINCOLN COUNTY NEVADA SATURDAY AFTERNOON THROUGH SATURDAY EVENING AND SUNDAY AFTERNOON THROUGH SUNDAY EVENING DUE TO GUSTY WINDS AND VERY LOW RELATIVE HUMIDITY... .VERY DRY CONDITIONS WILL PREVAIL ACROSS THE SOUTHERN GREAT BASIN AND MOJAVE DESERT TODAY THROUGH THE WEEKEND. RELATIVE HUMIDITY RECOVERY WILL BE POOR DURING THE OVERNIGHT HOURS WITH SINGLE DIGIT HUMIDITY READINGS AND GUSTY SOUTH WINDS DURING THE AFTERNOON AND EARLY EVENING HOURS. NVZ461-121400- /O.NEW.KVEF.FW.A.0006.070513T1900Z-070514T0200Z/ /O.EXT.KVEF.FW.A.0005.070512T1900Z-070513T0200Z/ /O.CON.KVEF.FW.W.0009.000000T0000Z-070512T0200Z/ LINCOLN COUNTY/ELY DISPATCH- 256 PM PDT FRI MAY 11 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING... ...FIRE WEATHER WATCH NOW IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING... ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A FIRE WEATHER WATCH FOR LINCOLN COUNTY NEVADA...WHICH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING AND SUNDAY AFTERNOON THROUGH SUNDAY EVENING. A RED FLAG WARNING REMAINS IN EFFECT FOR LINCOLN COUNTY UNTIL 7 PM PDT THIS EVENING. SINGLE DIGIT RELATIVE HUMIDITY READINGS AND SOUTH WINDS BETWEEN 15 AND 25 MPH WITH GUSTS OVER 35 MPH WILL CONTINUE TO CREATE CRITICAL FIRE WEATHER CONDITIONS THROUGH EARLY THIS EVENING. WIND GUSTS WILL DECREASE SIGNIFICANTLY AFTER 7 PM AND GENERALLY TRANSITION TO DIURNAL CIRCULATIONS AFTER MIDNIGHT. RELATIVE HUMIDITY RECOVERY WILL BE POOR WITH VALUES HOLDING BELOW 25 PERCENT. GUSTY SOUTH WINDS AND SINGLE DIGIT RELATIVE HUMIDITY CONDITIONS ARE EXPECTED TO PERSIST EACH AFTERNOON AND EVENING THROUGH SUNDAY WITH GUSTS APPROACHING 35 MPH. 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. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ NVZ460-462>465-120200- /O.CON.KVEF.FW.W.0009.000000T0000Z-070512T0200Z/ ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH-SHEEP RANGE- SPRING MOUNTAINS- CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH- 256 PM PDT FRI MAY 11 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR ESMERALDA...CENTRAL AND SOUTHERN NYE...AND NORTHWEST CLARK COUNTY. SINGLE DIGIT RELATIVE HUMIDITY READINGS COMBINED WITH SOUTH WINDS BETWEEN 15 AND 25 MPH WITH GUSTS TO 35 MPH WILL CREATE CRITICAL FIRE WEATHER CONDITIONS THROUGH EARLY EVENING. STRONGEST WINDS WILL OCCUR IN ESMERALDA...NYE AND NORTHWEST CLARK COUNTY. WIND GUSTS WILL DIMINISH SIGNIFICANTLY AFTER 7 PM BUT RELATIVE HUMIDITY VALUES WILL GENERALLY REMAIN BELOW 25 PERCENT OVERNIGHT. $$ AZZ102-121400- /O.NEW.KVEF.FW.A.0006.070513T1900Z-070514T0200Z/ /O.EXT.KVEF.FW.A.0005.070512T1900Z-070513T0200Z/ NORTHWEST DESERTS/NORTHWEST PLATEAU- 256 PM MST FRI MAY 11 2007 ...FIRE WEATHER WATCH NOW IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING... ...FIRE WEATHER WATCH IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A FIRE WEATHER WATCH FOR THE NORTHWEST PLATEAU AND NORTHWEST DESERTS OF ARIZONA...WHICH IS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING AND SUNDAY AFTERNOON THROUGH SUNDAY EVENING. SINGLE DIGIT RELATIVE HUMIDITY READINGS WILL COMBINE WITH SOUTH WINDS BETWEEN 15 AND 20 MPH AND GUSTS TO AROUND 35 MPH TO CREATE CRITICAL FIRE WEATHER CONDITIONS EACH AFTERNOON AND EVENING THROUGH SUNDAY. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ JGA
000 WWUS85 KVEF 120218 RFWVEF RED FLAG WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 718 PM PDT FRI MAY 11 2007 ...RED FLAG WARNING FOR SOUTHERN NEVADA HAS EXPIRED... ...FIRE WEATHER WATCH IN EFFECT FOR NORTHWEST ARIZONA AND LINCOLN COUNTY NEVADA SATURDAY AFTERNOON THROUGH SATURDAY EVENING AND SUNDAY AFTERNOON THROUGH SUNDAY EVENING DUE TO GUSTY WINDS AND VERY LOW RELATIVE HUMIDITY... .VERY DRY CONDITIONS WILL PREVAIL ACROSS THE SOUTHERN GREAT BASIN AND MOJAVE DESERT TODAY THROUGH THE WEEKEND. RELATIVE HUMIDITY RECOVERY WILL BE POOR DURING THE OVERNIGHT HOURS WITH SINGLE DIGIT HUMIDITY READINGS AND GUSTY SOUTH WINDS DURING THE AFTERNOON AND EARLY EVENING HOURS. NVZ461-121030- /O.EXP.KVEF.FW.W.0009.000000T0000Z-070512T0200Z/ /O.CON.KVEF.FW.A.0005.070512T1900Z-070513T0200Z/ /O.CON.KVEF.FW.A.0006.070513T1900Z-070514T0200Z/ LINCOLN COUNTY/ELY DISPATCH- 718 PM PDT FRI MAY 11 2007 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING... ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING IS NO LONGER IN EFFECT. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. SINGLE DIGIT RELATIVE HUMIDITY READINGS AND SOUTH WINDS BETWEEN 15 AND 25 MPH WITH GUSTS OVER 35 MPH WILL RETURN SATURDAY AND SUNDAY AND WILL CREATE CRITICAL FIRE WEATHER CONDITIONS FROM NOON TO 7 PM EACH DAY. THE NIGHT TIME RELATIVE HUMIDITY RECOVERIES WILL BE POOR WITH VALUES HOLDING BELOW 25 PERCENT. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ NVZ460-462>465-120330- /O.EXP.KVEF.FW.W.0009.000000T0000Z-070512T0200Z/ ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH-SHEEP RANGE- SPRING MOUNTAINS- CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH- 718 PM PDT FRI MAY 11 2007 ...RED FLAG WARNING HAS EXPIRED... THE RED FLAG WARNING IS NO LONGER IN EFFECT. WIND SPEEDS HAVE DROPPED BELOW CRITICAL VALUES EXCEPT IN A FEW LOCATIONS THAT FUNNELING/CHANNELING OCCURS AND THESE AREAS WILL SOME SUBSIDE AS WELL. $$ AZZ102-121030- /O.CON.KVEF.FW.A.0005.070512T1900Z-070513T0200Z/ /O.CON.KVEF.FW.A.0006.070513T1900Z-070514T0200Z/ NORTHWEST DESERTS/NORTHWEST PLATEAU- 718 PM MST FRI MAY 11 2007 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING... A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SATURDAY AFTERNOON THROUGH SATURDAY EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING. SINGLE DIGIT RELATIVE HUMIDITY READINGS WILL COMBINE WITH SOUTH WINDS BETWEEN 15 AND 20 MPH AND GUSTS TO AROUND 35 MPH TO CREATE CRITICAL FIRE WEATHER CONDITIONS SATURDAY AND SUNDAY FROM AROUND NOON TO 7 PM EACH DAY. THE NIGHT TIME RELATIVE HUMIDITY RECOVERIES WILL BE POOR WITH VALUES HOLDING BELOW 25 PERCENT. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 6:10 AM PDT | Fire Weather Watch | VEF | Lincoln | 21 hr |
| May 11, 2:56 PM PDT | Fire Weather Watch | VEF | Lincoln | 36 hr |
Nearby
Red Flag Warnings in Nevada, 2007Every red flag warning in 2007
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.