Alert archive / Nevada / Red Flag Warnings in 2009
Red Flag Warning 13, NWS Las Vegas, NV
NWS Las Vegas, NV issued this red flag warning at Aug 14, 2009, 4:30 AM PDT for Esmeralda County, Lincoln County, Nye County, Nevada. It took effect at Aug 14, 2009, 12:00 PM PDT. It was in force for 7 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
- Aug 14, 2009, 4:30 AM PDT (11:30 UTC)
- In effect from
- Aug 14, 2009, 12:00 PM PDT
- Expired
- Aug 14, 2009, 6:40 PM PDT
- In force
- 7 hr
- Issued by
- NWS Las Vegas, NV
Counties Esmeralda County, NV, Lincoln County, NV, Nye County, NV
The nearest sounding before it
Mercury/Desert R, NV (KDRA), launched 00:00Z, 11.5 hours before the alert went out and 137 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
- 5247 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 31 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 141130 RFWVEF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 430 AM PDT FRI AUG 14 2009 .A LOW PRESSURE SYSTEM MOVING INTO THE NORTHERN GREAT BASIN WILL BRING A COLD FRONT INTO CENTRAL NEVADA TONIGHT. GUSTY WINDS WILL DEVELOP AHEAD OF THE FRONT ACROSS SOUTH CENTRAL AND SOUTHEAST NEVADA THIS AFTERNOON...CREATING CRITICAL FIRE WEATHER CONDITIONS. NVZ461-462-150300- /O.NEW.KVEF.FW.W.0013.090814T1900Z-090815T0300Z/ LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH- 430 AM PDT FRI AUG 14 2009 ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 8 PM PDT THIS EVENING DUE TO GUSTY SOUTHWEST WINDS AND LOW RELATIVE HUMIDITY... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING FOR THE CENTRAL NYE COUNTY DESERTS AND LINCOLN COUNTY DUE TO GUSTY SOUTHWEST WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TODAY TO 8 PM PDT THIS EVENING. SOUTHWEST WINDS WILL INCREASE LATE THIS MORNING AND EARLY THIS AFTERNOON. GUSTS BETWEEN 35 AND 45 MPH CAN BE EXPECTED ACROSS THE WARNING AREA THIS AFTERNOON THROUGH EARLY THIS EVENING BEFORE WINDS BEGIN TO ABATE AROUND SUNSET. THE STRONG WIND GUSTS WILL COMBINE WITH RELATIVE HUMIDITY VALUES BETWEEN 8 AND 14 PERCENT TO CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 EXTREME FIRE GROWTH POTENTIAL. && $$ JA
2 follow-up statements
000 WWUS85 KVEF 141614 RFWVEF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 914 AM PDT FRI AUG 14 2009 .A LOW PRESSURE SYSTEM MOVING INTO THE NORTHERN GREAT BASIN WILL BRING A COLD FRONT INTO CENTRAL NEVADA TONIGHT. GUSTY WINDS WILL DEVELOP AHEAD OF THE FRONT ACROSS SOUTH CENTRAL NEVADA THIS AFTERNOON...CREATING CRITICAL FIRE WEATHER CONDITIONS. NVZ460-150300- /O.EXA.KVEF.FW.W.0013.090814T1900Z-090815T0300Z/ ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH- 914 AM PDT FRI AUG 14 2009 ...RED FLAG WARNING IN EFFECT UNTIL 8 PM PDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR ESMERALDA AND CENTRAL NYE COUNTY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY. SOUTHWEST WIND GUSTS BETWEEN 35 AND 40 MPH CAN BE EXPECTED ACROSS THE AREA THIS AFTERNOON THROUGH EARLY THIS EVENING BEFORE WINDS BEGIN TO ABATE AROUND SUNSET. THE STRONG WIND GUSTS WILL COMBINE WITH RELATIVE HUMIDITY VALUES BETWEEN 8 AND 14 PERCENT TO CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE GROWTH POTENTIAL. && $$ NVZ461-462-150300- /O.CON.KVEF.FW.W.0013.090814T1900Z-090815T0300Z/ LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH- 914 AM PDT FRI AUG 14 2009 ...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 FOR SOUTHERN NYE AND MUCH OF LINCOLN COUNTY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY. SOUTHWEST WIND GUSTS BETWEEN 35 AND 45 MPH CAN BE EXPECTED ACROSS THE AREA THIS AFTERNOON THROUGH EARLY THIS EVENING BEFORE WINDS BEGIN TO ABATE AROUND SUNSET. THE STRONG WIND GUSTS WILL COMBINE WITH RELATIVE HUMIDITY VALUES BETWEEN 8 AND 14 PERCENT TO CREATE CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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 EXTREME FIRE GROWTH POTENTIAL. && $$
000 WWUS85 KVEF 150140 RFWVEF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 640 PM PDT FRI AUG 14 2009 NVZ460>462-150245- /O.CAN.KVEF.FW.W.0013.000000T0000Z-090815T0300Z/ ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH- LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH- 640 PM PDT FRI AUG 14 2009 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE RED FLAG WARNING. SUSTAINED WIND SPEEDS AND WIND GUSTS HAVE FALLEN BELOW RED FLAG CRITERIA WITHIN THE RED FLAG WARNING TODAY. WIND SPEEDS WILL GRADUALLY DECREASE OVERNIGHT WHILE HUMIDITY VALUES RECOVER ABOVE 15 PERCENT. THEREFORE...THE RED FLAG WARNING THAT WAS POSTED UNTIL 8 PM HAS BEEN CANCELLED. $$ PIERCE
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 4:09 AM PDT | Wind Advisory | VEF | Esmeralda, Lincoln, Nye | 18 hr |
Nearby
Red Flag Warnings in Nevada, 2009Every red flag warning in 2009
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.