Alert archive / Nevada / Red Flag Warnings in 2017
Red Flag Warning 23, NWS Las Vegas, NV
NWS Las Vegas, NV issued this red flag warning at Dec 18, 2017, 2:33 PM PST for Clark County, Lincoln County, Nye County, Nevada; Inyo County, San Bernardino County, Tulare County, California; Mohave County, Arizona. It took effect at Dec 19, 2017, 10:00 PM PST. It was in force for 40 hr. 24 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 18, 2017, 2:33 PM PST (22:33 UTC)
- In effect from
- Dec 19, 2017, 10:00 PM PST
- Expired
- Dec 21, 2017, 2:25 PM PST
- In force
- 40 hr
- Issued by
- NWS Las Vegas, NV
Counties Mohave County, AZ, Inyo County, CA, San Bernardino County, CA, Tulare County, CA, Clark County, NV, Lincoln County, NV, Nye County, NV
The radar
The Las Vegas radar (KESX), 135 km from the middle of the area, began a volume at 22:30 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 20, 4:54 AM PST | NON-TSTM WND GST 71 | 3 Se Round Valley, CA | |
| Dec 20, 1:26 PM PST | NON-TSTM WND GST 61 | 19 S Haiwee, CA | MESONET STATION FMRC1, RIDGECREST - FIVEMILE CANYON. |
| Dec 20, 1:52 PM PST | NON-TSTM WND GST 59 | 2 Ene Bishop, CA | ASOS STATION BIH, BISHOP AIRPORT. |
| Dec 20, 1:55 PM PST | NON-TSTM WND DMG | 1 E West Bishop, CA | ONE POWER POLE DOWN. A FEW 9 TO 10 INCH BRANCHES DOWN. TIME ESTIMATED. |
| Dec 20, 1:56 PM PST | NON-TSTM WND GST 58 | 3 Nnw Centennial Hills, NV | WIND MEASURED AT EARTH NETWORKS SITE. |
| Dec 20, 2:00 PM PST | DUST STORM | 3 N Lucerne Valley, CA | BLOWING DUST FROM A DRY LAKE BED PRODUCED NEAR ZERO VISIBILITY ALONG HIGHWAY 247. THE HIGHWAY WAS CLOSED AT 5 PM. |
| Dec 20, 2:01 PM PST | NON-TSTM WND GST 52 | 2 Wsw Lucerne Valley, CA | MESONET STATION F0119, LUCERNE VALLEY (1 SW). |
| Dec 20, 2:30 PM PST | NON-TSTM WND GST 60 | 2 Ne Sloan, NV | WIND MEASURED AT EARTH NETWORKS SITE. |
| Dec 20, 2:59 PM PST | NON-TSTM WND GST 61 | 1 Nw Mountain Springs, NV | MEASURED WIND GUST OF 61 MPH AT MOUNTAIN SPRINGS RAWS SITE. |
| Dec 20, 3:16 PM PST | NON-TSTM WND GST 55 | 8 Ese Wrightwood, CA | MESONET STATION MNCC1, MORMON ROCK. |
| Dec 20, 3:17 PM PST | NON-TSTM WND DMG | 1 S Dixon Lane-Meadow, CA | DISPATCH REPORTED A DOWNED TREE WHICH HAD GONE THROUGH A DRIVER'S WINDSHIELD. INJURIES UNKNOWN. |
| Dec 20, 3:34 PM PST | NON-TSTM WND GST 68 | 1 Ese Red Rock Canyon, NV | MEASURED WIND GUST OF 68 MPH AS RED ROCK RAWS SITE. |
| Dec 20, 3:38 PM PST | NON-TSTM WND GST 61 | 1 W Summerlin, NV | WIND GUST MEASURED AT EARTH NETWORKS SITE. |
| Dec 20, 3:45 PM PST | NON-TSTM WND GST 63 | 38 Nnw Mercury, NV | TEST SITE A12AF. ELEV 5315. |
| Dec 20, 3:45 PM PST | NON-TSTM WND GST 65 | 26 Ne Beatty, NV | TEST SITE A18AA. ELEV 5489FT. |
| Dec 20, 3:51 PM PST | NON-TSTM WND GST 64 | 25 Se Shoshone, CA | MESONET STATION HTSC1, TECOPA 14 SE. |
| Dec 20, 4:51 PM PST | NON-TSTM WND GST 110 | 13 Ese Big Bear City, CA | MESONET STATION BCNC1, BURNS CANYON. |
| Dec 20, 4:59 PM PST | NON-TSTM WND GST 67 | 1 Nw Mountain Springs, NV | |
| Dec 20, 5:05 PM PST | NON-TSTM WND GST 64 | 1 W Summerlin, NV | WIND GUST MEASURED AT EARTH NETWORKS SITE. |
| Dec 20, 6:15 PM PST | NON-TSTM WND GST 60 | North Las Vegas Airport, NV | ASOS STATION VGT, NORTH LAS VEGAS AIRPORT. |
| Dec 20, 7:25 PM PST | SNOW 0 | 1 W Panaca, NV | DANGEROUS WINTER TRAVEL CONDITIONS REPORTED BETWEEN MILE MARKER 65 AND 87 DUE TO SNOW-PACKED AND ICY ROADS AS WELL AS VISIBILITY LESS THAN 100FT DUE TO BLOWING SNOW. |
| Dec 20, 7:25 PM PST | SNOW 0 | 1 W Panaca, NV | DANGEROUS WINTER TRAVEL CONDITIONS REPORTED BETWEEN MILE MARKER 65 AND 87 ON HIGHWAY 93 DUE TO SNOW-PACKED AND ICY ROADS AS WELL AS VISIBILITY LESS THAN 100FT DUE TO BLOWING SNOW. |
| Dec 20, 7:48 PM PST | DUST STORM | 19 Ene Big Bear City, CA | CHP REPORTS SANDSTORM ON HIGHWAY 247 BETWEEN LUCERNE VALLEY AND YUCCA VALLEY WITH NEAR VISIBILITY. |
| Dec 21, 10:15 AM PST | NON-TSTM WND GST 58 | 2 Nw Running Springs, CA | MESONET STATION HHPC1, RUNNING SPRINGS (2 NW). |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Las Vegas, NV (KVEF), launched 12:00Z, 10.6 hours before the alert went out and 49 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
- 2648 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 123 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
614 WWUS85 KVEF 182233 RFWVEF URGENT - FIRE WEATHER MESSAGE National Weather Service Las Vegas NV 233 PM PST Mon Dec 18 2017 CAZ226-191130- /O.NEW.KVEF.FW.W.0023.171220T0600Z-171221T0300Z/ Owens Valley/Southern Inyo Forest- 233 PM PST Mon Dec 18 2017 .Strong winds will overspread western Inyo County, especially the higher elevations of the Sierra, Tuesday night and Wednesday as a storm system approaches from the north. Although minimum relative humidities will stay well above 15 percent, fuels are critically dry. Extreme fire behavior has been observed in the past with high winds and extremely dry fuels despite humidities around 30 percent. ...RED FLAG WARNING IN EFFECT FROM 10 PM TUESDAY TO 7 PM PST WEDNESDAY FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONE 226... The National Weather Service in Las Vegas has issued a Red Flag Warning, which is in effect from 10 PM Tuesday to 7 PM PST Wednesday. * AFFECTED AREA...In California...Fire weather zone 226. * TIMING...Tuesday night and Wednesday. * WIND...West to southwest winds 40 to 50 mph with gusts of 60 to 70 mph at the higher elevations. * HUMIDITY...Minimum afternoon humidity 30 to 35 percent at the higher elevations, and 20 to 25 percent at the lower elevations. * 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. && $$ Morgan weather.gov/lasvegas
8 follow-up statements
587 WWUS85 KVEF 191124 RFWVEF URGENT - FIRE WEATHER MESSAGE National Weather Service Las Vegas NV 324 AM PST Tue Dec 19 2017 .Strong winds will overspread western Inyo County, especially the higher elevations of the Sierra, Tuesday night and Wednesday as a storm system approaches from the north. Although minimum relative humidities will stay well above 15 percent, fuels are critically dry. Extreme fire behavior has been observed in the past with high winds and extremely dry fuels despite humidities around 30 percent. CAZ226-191930- /O.CON.KVEF.FW.W.0023.171220T0600Z-171221T0300Z/ Owens Valley/Southern Inyo Forest- 324 AM PST Tue Dec 19 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 PM PST WEDNESDAY FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONE 226... The National Weather Service in Las Vegas has issued a Red Flag Warning, which is in effect from 10 PM Tuesday to 7 PM PST Wednesday. * AFFECTED AREA...In California...Fire weather zone 226. * TIMING...Tonight through Wednesday evening. * WIND...West to southwest winds 40 to 50 mph with gusts of 60 to 70 mph at the higher elevations. * HUMIDITY...Minimum afternoon humidity 30 to 35 percent at the higher elevations, and 20 to 25 percent at the lower elevations. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ weather.gov/lasvegas
787 WWUS85 KVEF 191832 RFWVEF URGENT - FIRE WEATHER MESSAGE National Weather Service Las Vegas NV 1032 AM PST Tue Dec 19 2017 .Strong winds will overspread the area late tonight through Thursday. Strong winds will develop overnight tonight across Inyo County, especially the higher elevations of the Sierra tonight and Wednesday and then spread across the remainder of the area Wednesday and Thursday. Although minimum relative humidities in some areas will stay above 15 percent, fuels are critically dry. Extreme fire behavior has been observed in the past with high winds and extremely dry fuels despite humidities around 20 to 30 percent. There will be some improving overnight humidity recoveries, but gusty winds will continue through Thursday afternoon. AZZ101-CAZ229-NVZ463-464-466-200600- /O.EXB.KVEF.FW.W.0023.171220T2100Z-171221T2300Z/ Lake Mead NRA/Colorado River-AZ side-Lower Colorado River Valley- Sheep Range-Spring Mountains-Lake Mead NRA/Colorado River-NV side- 1032 AM PST Tue Dec 19 2017 /1132 AM MST Tue Dec 19 2017/ ...RED FLAG WARNING IN EFFECT FROM 1 PM PST /2 PM MST/ WEDNESDAY TO 3 PM PST /4 PM MST/ THURSDAY FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONES 101, 229, 463, 464, AND 466... The National Weather Service in Las Vegas has issued a Red Flag Warning, which is in effect from 1 PM PST /2 PM MST/ Wednesday to 3 PM PST /4 PM MST/ Thursday. * AFFECTED AREA...In California...Fire weather zone 229. In Arizona...Fire weather zone 101. In Nevada...Fire Weather Zones 463...464...and 466. * TIMING...Early Wednesday afternoon through late Thursday afternoon. * WIND...West to southwest winds 40 to 50 mph with gusts of 60 to 70 mph at the higher elevations. * HUMIDITY...Minimum afternoon humidity 25 to 30 percent at the higher elevations, and 15 to 20 percent at the lower elevations. Some improvement in overnight maximum humidity values. * 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. && $$ CAZ226-200600- /O.CON.KVEF.FW.W.0023.171220T0600Z-171221T0300Z/ Owens Valley/Southern Inyo Forest- 1032 AM PST Tue Dec 19 2017 ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 7 PM PST WEDNESDAY FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONE 226... * AFFECTED AREA...In California...Fire weather zone 226. * TIMING...Tonight through Wednesday evening. * WIND...West to southwest winds 40 to 50 mph with gusts of 60 to 70 mph at the higher elevations. * HUMIDITY...Minimum afternoon humidity 30 to 35 percent at the higher elevations, and 20 to 25 percent at the lower elevations. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ weather.gov/lasvegas
420 WWUS85 KVEF 200534 RFWVEF URGENT - FIRE WEATHER MESSAGE National Weather Service Las Vegas NV 934 PM PST Tue Dec 19 2017 .Strong winds will overspread the area late tonight through Thursday. Strong winds will develop overnight tonight across Inyo County, especially the higher elevations of the Sierra tonight and Wednesday and then spread across the remainder of the area Wednesday and Thursday. Although minimum relative humidities in some areas will stay above 15 percent, fuels are critically dry. Extreme fire behavior has been observed in the past with high winds and extremely dry fuels despite humidities around 20 to 30 percent. There will be some improving overnight humidity recoveries, but gusty winds will continue through Thursday afternoon. CAZ226-201300- /O.CON.KVEF.FW.W.0023.171220T0600Z-171221T0300Z/ Owens Valley/Southern Inyo Forest- 934 PM PST Tue Dec 19 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PST WEDNESDAY FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONE 226... * AFFECTED AREA...In California...Fire weather zone 226. * TIMING...Tonight through Wednesday evening. * WIND...West to southwest winds 40 to 50 mph with gusts of 60 to 70 mph at the higher elevations. * HUMIDITY...Minimum afternoon humidity 30 to 35 percent at the higher elevations, and 20 to 25 percent at the lower elevations. * 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. && $$ AZZ101-CAZ229-NVZ463-464-466-201300- /O.CON.KVEF.FW.W.0023.171220T2100Z-171221T2300Z/ Lake Mead NRA/Colorado River-AZ side-Lower Colorado River Valley- Sheep Range-Spring Mountains-Lake Mead NRA/Colorado River-NV side- 934 PM PST Tue Dec 19 2017 /1034 PM MST Tue Dec 19 2017/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM PST /2 PM MST/ WEDNESDAY TO 3 PM PST /4 PM MST/ THURSDAY FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONES 101, 229, 463, 464, AND 466... * AFFECTED AREA...In California...Fire weather zone 229. In Arizona...Fire weather zone 101. In Nevada...Fire Weather Zones 463...464...and 466. * TIMING...Early Wednesday afternoon through late Thursday afternoon. * WIND...West to southwest gusts 35 to 50 mph turning to the north Wednesday night with similar gusts. * HUMIDITY...Minimum afternoon humidity 25 to 30 percent at the higher elevations, and 15 to 20 percent at the lower elevations. Some improvement in overnight maximum humidity values. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ weather.gov/lasvegas
220 WWUS85 KVEF 200537 CCA RFWVEF URGENT - FIRE WEATHER MESSAGE...CORRECTED National Weather Service Las Vegas NV 937 PM PST Tue Dec 19 2017 .Strong winds will overspread the area late tonight through Thursday. Strong winds will develop overnight tonight across Inyo County, especially the higher elevations of the Sierra tonight and Wednesday and then spread across the remainder of the area Wednesday and Thursday. Although minimum relative humidities in some areas will stay above 15 percent, fuels are critically dry. Extreme fire behavior has been observed in the past with high winds and extremely dry fuels despite humidities around 20 to 30 percent. There will be some improving overnight humidity recoveries, but gusty winds will continue through Thursday afternoon. CAZ226-201300- /O.CON.KVEF.FW.W.0023.171220T0600Z-171221T0300Z/ Owens Valley/Southern Inyo Forest- 937 PM PST Tue Dec 19 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PST WEDNESDAY FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONE 226... * AFFECTED AREA...In California...Fire weather zone 226. * TIMING...Tonight through Wednesday evening. * WIND...West to southwest winds 40 to 50 mph with gusts of 60 to 70 mph at the higher elevations. * HUMIDITY...Minimum afternoon humidity 30 to 35 percent at the higher elevations, and 20 to 25 percent at the lower elevations. * 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. && $$ AZZ101-CAZ229-NVZ463-464-466-201300- /O.COR.KVEF.FW.W.0023.171220T2100Z-171221T2300Z/ Lake Mead NRA/Colorado River-AZ side-Lower Colorado River Valley- Sheep Range-Spring Mountains-Lake Mead NRA/Colorado River-NV side- 937 PM PST Tue Dec 19 2017 /1037 PM MST Tue Dec 19 2017/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM PST /2 PM MST/ WEDNESDAY TO 3 PM PST /4 PM MST/ THURSDAY FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONES 101, 229, 463, 464, AND 466... * AFFECTED AREA...In California...Fire weather zone 229. In Arizona...Fire weather zone 101. In Nevada...Fire Weather Zones 463...464...and 466. * TIMING...Early Wednesday afternoon through late Thursday afternoon. * WIND...West to southwest gusts 35 to 50 mph turning to the north Wednesday night with similar gusts. Isolated gusts 60 to 70 mph in the high elevations of the Spring Mountains. * HUMIDITY...Minimum afternoon humidity 25 to 30 percent at the higher elevations, and 15 to 20 percent at the lower elevations. Some improvement in overnight maximum humidity values. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ weather.gov/lasvegas
643 WWUS85 KVEF 201204 RFWVEF URGENT - FIRE WEATHER MESSAGE National Weather Service Las Vegas NV 404 AM PST Wed Dec 20 2017 .Strong winds are expected across Inyo County, especially the higher elevations of the Sierra today and then spread across the remainder of the area this afternoon through Thursday. Although minimum relative humidities in some areas will stay above 15 percent, fuels are critically dry. Extreme fire behavior has been observed in the past with high winds and extremely dry fuels despite humidities around 20 to 30 percent. There will be some improvement in humidity recoveries tonight, but gusty winds will continue through Thursday afternoon. CAZ226-210300- /O.CON.KVEF.FW.W.0023.000000T0000Z-171221T0300Z/ Owens Valley/Southern Inyo Forest- 404 AM PST Wed Dec 20 2017 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PST THIS EVENING FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONE 226... * AFFECTED AREA...In California...Fire weather zone 226. * TIMING...through this evening. * WIND...West to southwest winds 40 to 50 mph with gusts of 60 to 70 mph at the higher elevations. Winds shifting to the north this afternoon and becoming more focused in the Owen Valley. Wind speeds this afternoon 30 to 40 mph. * HUMIDITY...Minimum afternoon humidity 30 to 35 percent at the higher elevations, and 20 to 25 percent at the lower elevations. * 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. && $$ AZZ101-CAZ229-NVZ463-464-466-210300- /O.CON.KVEF.FW.W.0023.171220T2100Z-171221T2300Z/ Lake Mead NRA/Colorado River-AZ side-Lower Colorado River Valley- Sheep Range-Spring Mountains-Lake Mead NRA/Colorado River-NV side- 404 AM PST Wed Dec 20 2017 /504 AM MST Wed Dec 20 2017/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM PST /2 PM MST/ THIS AFTERNOON TO 3 PM PST /4 PM MST/ THURSDAY FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONES 101, 229, 463, 464, AND 466... * AFFECTED AREA...In California...Fire weather zone 229. In Arizona...Fire weather zone 101. In Nevada...Fire Weather Zones 463...464...and 466. * TIMING...Early this afternoon through late Thursday afternoon. * WIND...West to southwest gusts 35 to 50 mph turning to the north this evening with similar gusts. Isolated gusts 60 to 70 mph in the high elevations of the Spring Mountains. * HUMIDITY...Minimum afternoon humidity 25 to 30 percent at the higher elevations, and 15 to 20 percent at the lower elevations. Some improvement in overnight maximum humidity values. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ weather.gov/lasvegas
639 WWUS85 KVEF 210257 RFWVEF URGENT - FIRE WEATHER MESSAGE National Weather Service Las Vegas NV 657 PM PST Wed Dec 20 2017 CAZ226-210400- /O.EXP.KVEF.FW.W.0023.000000T0000Z-171221T0300Z/ Owens Valley/Southern Inyo Forest- 657 PM PST Wed Dec 20 2017 ...RED FLAG WARNING WILL EXPIRE AT 7 PM PST THIS EVENING FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONE 226... Good RH recovery and decreasing winds will allow the warning in the Owens Valley and Southern Inyo Forest to expire at 7 PM as scheduled. However...gusty north winds are expected to continue overnight into Thursday. $$ AZZ101-CAZ229-NVZ463-464-466-211500- /O.CON.KVEF.FW.W.0023.000000T0000Z-171221T2300Z/ Lake Mead NRA/Colorado River-AZ side-Lower Colorado River Valley- Sheep Range-Spring Mountains-Lake Mead NRA/Colorado River-NV side- 657 PM PST Wed Dec 20 2017 /757 PM MST Wed Dec 20 2017/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PST /4 PM MST/ THURSDAY FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONES 101, 229, 463, 464, AND 466... * AFFECTED AREA...In California...Fire weather zone 229. In Arizona...Fire weather zone 101. In Nevada...Fire Weather Zones 463...464...and 466. * TIMING...Tonight through late Thursday afternoon. * WIND...West to southwest gusts 35 to 50 mph turning to the north behind a cold front. * HUMIDITY...Some improvement in overnight maximum humidity values. * IMPACTS...Any fires that develop will likely spread rapidly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior. && $$ weather.gov/lasvegas
904 WWUS85 KVEF 211208 RFWVEF URGENT - FIRE WEATHER MESSAGE National Weather Service Las Vegas NV 408 AM PST Thu Dec 21 2017 AZZ101-CAZ229-NVZ463-464-466-212300- /O.CON.KVEF.FW.W.0023.000000T0000Z-171221T2300Z/ Lake Mead NRA/Colorado River-AZ side-Lower Colorado River Valley- Sheep Range-Spring Mountains-Lake Mead NRA/Colorado River-NV side- 408 AM PST Thu Dec 21 2017 /508 AM MST Thu Dec 21 2017/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 3 PM PST /4 PM MST/ THIS AFTERNOON FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONES 101, 229, 463, 464, AND 466... * AFFECTED AREA...In California...Fire weather zone 229. In Arizona...Fire weather zone 101. In Nevada...Fire Weather Zones 463...464...and 466. * TIMING...through late this afternoon. * WIND...Northwest to North wind 15 to 25 mph with gust around 40 mph. * HUMIDITY...Colorado River Valley 10 to 20 percent. Spring Mountains and Sheep Range 20 to 30 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. && $$ weather.gov/lasvegas
765 WWUS85 KVEF 212225 RFWVEF URGENT - FIRE WEATHER MESSAGE National Weather Service Las Vegas NV 225 PM PST Thu Dec 21 2017 AZZ101-CAZ229-NVZ463-464-466-212330- /O.CAN.KVEF.FW.W.0023.000000T0000Z-171221T2300Z/ Lake Mead NRA/Colorado River-AZ side-Lower Colorado River Valley- Sheep Range-Spring Mountains-Lake Mead NRA/Colorado River-NV side- 225 PM PST Thu Dec 21 2017 /325 PM MST Thu Dec 21 2017/ ...RED FLAG WARNING IS CANCELLED FOR STRONG WINDS AND LOW RH FOR FIRE WEATHER ZONES 101, 229, 463, 464, AND 466... The National Weather Service in Las Vegas has cancelled the Red Flag Warning. Winds have trended down over the last several hours and will continue to trend down. Cool, dry air will keep minimum relative humidities below 15 percent through at least Sunday. $$ weather.gov/lasvegas
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 18, 2:25 PM PST | Wind Advisory | VEF | Clark, Esmeralda, Lincoln, Nye | 72 hr |
Nearby
Red Flag Warnings in Nevada, 2017Red Flag Warnings in California, 2017Red Flag Warnings in Arizona, 2017Every red flag warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.