Alert archive / Nevada / Red Flag Warnings in 2016
Red Flag Warning 7, NWS Las Vegas, NV
NWS Las Vegas, NV issued this red flag warning at Sep 12, 2016, 5:18 AM PDT for Clark County, Lincoln County, Nye County, Nevada; Mohave County, Arizona. It took effect at Sep 13, 2016, 11:00 AM PDT. It was in force for 12 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 12, 2016, 5:18 AM PDT (12:18 UTC)
- In effect from
- Sep 13, 2016, 11:00 AM PDT
- Expired
- Sep 13, 2016, 11:00 PM PDT
- In force
- 12 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 12:17 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, 0.3 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3218 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -114 m²/s²
- 0-3 km storm-relative helicity
- -143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
994 WWUS85 KVEF 121218 CCA RFWVEF URGENT - FIRE WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE LAS VEGAS NV 518 AM PDT MON SEP 12 2016 .A POTENT AREA OF LOW PRESSURE MOVING INTO THE REGION WILL BRING GUSTY WINDS ALONG WITH LOW RELATIVE HUMIDITIES TO PARTS OF THE AREA TUESDAY. THIS WILL LEAD TO DANGEROUS FIRE WEATHER ACROSS SOUTHERN NEVADA AND THE COLORADO RIVER VALLEY. AZZ101-NVZ461>466-122345- /O.UPG.KVEF.FW.A.0003.160913T1800Z-160914T0600Z/ /O.NEW.KVEF.FW.W.0007.160913T1800Z-160914T0600Z/ LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LINCOLN COUNTY/ELY DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH-SHEEP RANGE- SPRING MOUNTAINS- CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH- LAKE MEAD NRA/COLORADO RIVER-NV SIDE- 518 AM PDT MON SEP 12 2016 /518 AM MST MON SEP 12 2016/ ...RED FLAG WARNING IN EFFECT FROM 11 AM PDT /11 AM MST/ TO 11 PM PDT /11 PM MST/ TUESDAY FOR STRONG WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 11 AM PDT /11 AM MST/ TO 11 PM PDT /11 PM MST/ TUESDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * TIMING...WINDS WILL INCREASE TUESDAY MORNING...PEAK TUESDAY AFTERNOON...THEN BEGIN DECREASING TUESDAY NIGHT. * WIND...SOUTH TO SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 TO 45 MPH. * HUMIDITY...10 TO 15 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. && $$ WEATHER.GOV/LASVEGAS
4 follow-up statements
994 WWUS85 KVEF 122107 RFWVEF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 207 PM PDT MON SEP 12 2016 .A POTENT AREA OF LOW PRESSURE MOVING INTO THE REGION WILL BRING GUSTY WINDS ALONG WITH LOW RELATIVE HUMIDITIES TO PARTS OF THE AREA TUESDAY. THIS WILL LEAD TO DANGEROUS FIRE WEATHER ACROSS SOUTHERN NEVADA AND THE COLORADO RIVER VALLEY. AZZ101-NVZ461>466-131815- /O.CON.KVEF.FW.W.0007.160913T1800Z-160914T0600Z/ LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LINCOLN COUNTY/ELY DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH-SHEEP RANGE- SPRING MOUNTAINS- CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH- LAKE MEAD NRA/COLORADO RIVER-NV SIDE- 207 PM PDT MON SEP 12 2016 /207 PM MST MON SEP 12 2016/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ TO 11 PM PDT /11 PM MST/ TUESDAY FOR STRONG WINDS AND LOW HUMIDITY... * TIMING...WINDS WILL INCREASE TUESDAY MORNING...PEAK TUESDAY AFTERNOON...THEN BEGIN DECREASING TUESDAY NIGHT. * WIND...SOUTH TO SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 TO 45 MPH. * HUMIDITY...10 TO 15 PERCENT IN THE MIDSLOPES AND VALLEYS. 15 TO 20 PERCENT IN THE UPPER ELEVATIONS. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND MAY EXHIBIT EXTREME FIRE BEHAVIOR. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WEATHER.GOV/LASVEGAS
793 WWUS85 KVEF 130919 RFWVEF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 219 AM PDT TUE SEP 13 2016 .A POTENT AREA OF LOW PRESSURE MOVING INTO THE REGION WILL BRING GUSTY WINDS ALONG WITH LOW RELATIVE HUMIDITIES TO PARTS OF THE AREA TODAY. THIS WILL LEAD TO DANGEROUS FIRE WEATHER ACROSS SOUTHERN NEVADA AND THE COLORADO RIVER VALLEY. NVZ463-464-131030- /O.CAN.KVEF.FW.W.0007.160913T1800Z-160914T0600Z/ SHEEP RANGE-SPRING MOUNTAINS- 219 AM PDT TUE SEP 13 2016 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELLED THE RED FLAG WARNING FOR THE SPRING MOUNTAINS AND SHEEP RANGE. WHILE GUSTY WINDS ARE STILL EXPECTED...RELATIVE HUMIDITY VALUES ARE NO LONGER EXPECTED TO MEET RED FLAG CRITERIA FOR THE SPRING MOUNTAINS OR SHEEP RANGE. THEREFORE THE RED FLAG WARNING HAS BEEN CANCELLED FOR THOSE AREAS. $$ AZZ101-NVZ461-462-465-466-131815- /O.CON.KVEF.FW.W.0007.160913T1800Z-160914T0600Z/ LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LINCOLN COUNTY/ELY DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH- CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH- LAKE MEAD NRA/COLORADO RIVER-NV SIDE- 219 AM PDT TUE SEP 13 2016 /219 AM MST TUE SEP 13 2016/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM PDT /11 AM MST/ THIS MORNING TO 11 PM PDT /11 PM MST/ THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY... * TIMING...WINDS WILL INCREASE TUESDAY MORNING...PEAK TUESDAY AFTERNOON...THEN BEGIN DECREASING TUESDAY NIGHT. * WIND...SOUTH TO SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 TO 45 MPH. * HUMIDITY...10 TO 15 PERCENT IN VALLEY LOCATIONS. 15 TO 20 PERCENT IN THE UPPER ELEVATIONS. * IMPACTS...ANY FIRES THAT DEVELOP WILL LIKELY SPREAD RAPIDLY AND MAY EXHIBIT EXTREME FIRE BEHAVIOR. OUTDOOR BURNING IS NOT RECOMMENDED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW....OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES CAN CONTRIBUTE TO EXTREME FIRE BEHAVIOR. && $$ WOLCOTT WEATHER.GOV/LASVEGAS
406 WWUS85 KVEF 131801 RFWVEF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 1101 AM PDT TUE SEP 13 2016 .A POTENT AREA OF LOW PRESSURE MOVING INTO THE REGION WILL BRING GUSTY WINDS ALONG WITH LOW RELATIVE HUMIDITIES TO PARTS OF THE AREA TODAY. THIS WILL LEAD TO DANGEROUS FIRE WEATHER ACROSS SOUTHERN NEVADA AND THE COLORADO RIVER VALLEY. AZZ101-NVZ461-462-465-466-140600- /O.CON.KVEF.FW.W.0007.000000T0000Z-160914T0600Z/ LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LINCOLN COUNTY/ELY DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH- CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH- LAKE MEAD NRA/COLORADO RIVER-NV SIDE- 1101 AM PDT TUE SEP 13 2016 /1101 AM MST TUE SEP 13 2016/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 11 PM PDT /11 PM MST/ THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY... * TIMING...WINDS WILL INCREASE TUESDAY MORNING...PEAK TUESDAY AFTERNOON...THEN BEGIN DECREASING TUESDAY NIGHT. * WIND...SOUTH TO SOUTHWEST 20 TO 25 MPH WITH GUSTS OF 35 TO 45 MPH. * HUMIDITY...10 TO 15 PERCENT IN VALLEY LOCATIONS. 15 TO20 PERCENT IN THE UPPER ELEVATIONS. * 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. && $$ WEATHER.GOV/LASVEGAS
428 WWUS85 KVEF 140545 RFWVEF URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE LAS VEGAS NV 1045 PM PDT TUE SEP 13 2016 AZZ101-NVZ461-462-465-466-140645- /O.EXP.KVEF.FW.W.0007.000000T0000Z-160914T0600Z/ LAKE MEAD NRA/COLORADO RIVER-AZ SIDE-LINCOLN COUNTY/ELY DISPATCH- NYE COUNTY DESERTS/LAS VEGAS DISPATCH- CLARK AND SW LINCOLN COUNTY DESERTS/LAS VEGAS DISPATCH- LAKE MEAD NRA/COLORADO RIVER-NV SIDE- 1045 PM PDT TUE SEP 13 2016 /1045 PM MST TUE SEP 13 2016/ ...RED FLAG WARNING WILL EXPIRE AT 11 PM PDT /11 PM MST/ THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY... WIND GUSTS HAVE DECREASED BELOW 30 MPH ACROSS ALL OF SOUTHERN NEVADA AND RELATIVE HUMIDITY VALUES RANGED FROM THE UPPER TEENS TO UPPER 20S WITH HIGHER VALUES IN THE MOUNTAINS ABOVE 6000 FEET. WINDS WILL GRADUALLY BECOME LIGHT OVERNIGHT AND MAXIMUM HUMIDITY VALUES FROM 30 TO 60 PERCENT CAN BE EXPECTED. $$ WEATHER.GOV/LASVEGAS
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 12, 3:05 AM PDT | Lake Wind Advisory | VEF | 18 hr | |
| Sep 12, 2:28 PM PDT | Wind Advisory | VEF | Clark, Lincoln, Nye | 30 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.