Alert archive / Nevada / Red Flag Warnings in 2010
Red Flag Warning 15, NWS Las Vegas, NV
NWS Las Vegas, NV issued this red flag warning at Aug 27, 2010, 10:05 AM PDT for 4 counties in Nevada; San Bernardino County, California; Mohave County, Arizona. It took effect at Aug 28, 2010, 11:00 AM PDT. It was in force for 10 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 27, 2010, 10:05 AM PDT (17:05 UTC)
- In effect from
- Aug 28, 2010, 11:00 AM PDT
- Expired
- Aug 28, 2010, 9:00 PM PDT
- In force
- 10 hr
- Issued by
- NWS Las Vegas, NV
Counties Mohave County, AZ, San Bernardino County, CA, Clark County, NV, Esmeralda County, NV, Lincoln County, NV, Nye County, NV
The radar
The Las Vegas radar (KESX), 131 km from the middle of the area, began a volume at 17:07 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
Edwards AFB, CA (KEDW), launched 12:00Z, 5.1 hours before the alert went out and 279 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
- 2884 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Las Vegas, NV wrote its last area forecast discussion before this red flag warning went out at Aug 27, 9:58 AM PDT, 7 minutes earlier.
Area forecast discussion, Aug 27, 9:58 AM PDT, 7 minutes before
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</html>Hazardous weather outlook, Aug 27, 5:19 AM PDT, 4 hours 46 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAS VEGAS NV 519 AM PDT FRI AUG 27 2010 NVZ014>020-022-280330- ESMERALDA AND CENTRAL NYE COUNTY-LINCOLN COUNTY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- SHEEP RANGE-SPRING MOUNTAINS-LAS VEGAS VALLEY- SOUTHERN CLARK COUNTY- 519 AM PDT FRI AUG 27 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN NEVADA. .DAY ONE...TODAY AND TONIGHT ISOLATED MAINLY AFTERNOON AND EVENING THUNDERSTORMS ARE EXPECTED OVER LINCOLN AND CLARK COUNTIES. THESE THUNDERSTORMS MAY PRODUCE LOCALLY HEAVY RAINFALL AND GUSTY WINDS. IN ADDITION...DRIER AIR MOVING INTO ESMERALDA AND CENTRAL NYE COUNTIES WILL COMBINE WITH LOCAL GUSTY WINDS TO PRODUCE FIRE WEATHER CONCERNS AND A RED FLAG WARNING IS IN EFFECT FOR THIS AREA FROM NOON TODAY THROUGH 8 PM THIS EVENING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THUNDERSTORM POTENTIAL SHOULD BE PUSHED TO THE EAST OF THE AREA BY SATURDAY HOWEVER GUSTY WINDS AND DRY CONDITIONS WILL COMBINE TO CREATE THE POTENTIAL FOR FIRE WEATHER CONCERNS AND A FIRE WEATHER WATCH IS IN EFFECT FOR SOUTHERN NEVADA ON SATURDAY. GUSTY WINDS AND COOLER TEMPERATURES ARE THEN LOOKED FOR ON SUNDAY AND MONDAY BEFORE MOISTURE BEGINS TO RETURN TO THE AREA BY THE MIDDLE OF NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER, SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. AZZ001>003-036-CAZ527-NVZ021-280330- NORTHWEST PLATEAU-LOWER COLORADO RIVER VALLEY-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-SAN BERNARDINO COUNTY- UPPER COLORADO RIVER VALLEY- 519 AM PDT FRI AUG 27 2010 /519 AM MST FRI AUG 27 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN NEVADA. .DAY ONE...TODAY AND TONIGHT SCATTERED MAINLY AFTERNOON AND EVENING THUNDERSTORMS WITH THE POTENTIAL FOR LOCALLY HEAVY RAINFALL AND GUSTY WINDS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY ISOLATED AFTERNOON THUNDERSTORMS MAINLY ALONG THE EASTER BORDER ON SATURDAY HOWEVER THE MAIN CONCERN WILL BE GUSTY WINDS TO POSSIBLY OVER 40 MPH. GUSTY WINDS LOOKED FOR AGAIN ON SUNDAY ALONG WITH COOLER TEMPERATURES. THE COOLER TEMPERATURES WILL CONTINUE INTO MONDAY BEFORE WARMING THROUGH THE MIDDLE OF THE WEEK. MOISTURE WILL RETURN TO THE AREA ONCE AGAIN DURING THE MIDDLE OF THE WEEK FOR ISOLATED TO SCATTERED AFTERNOON AND EVENING THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER, SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. CAZ519>526-280330- EASTERN SIERRA SLOPES-OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY- DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT- EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN- 519 AM PDT FRI AUG 27 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CALIFORNIA. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY GUSTY WINDS ARE EXPECTED ON SATURDAY WITH LOCAL AREAS POSSIBLY REACHING WIND ADVISORY CRITERIA. NO HAZARDOUS WEATHER EXPECTED SUNDAY THROUGH TUESDAY. MOISTURE MAY BEGIN TO CREEP BACK INTO THE EASTERN PORTION OF THE MOJAVE DESERT WEDNESDAY AND THURSDAY FOR ISOLATED AFTERNOON AND EVENING THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER, SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 5:15 PM PDT | Areal Flood Advisory | VEF | Esmeralda, Nye | 59 min |
| Aug 27, 3:16 PM PDT | Wind Advisory | VEF | Clark, Esmeralda, Lincoln, Nye | 30 hr |
| Aug 26, 5:11 PM PDT | Flash Flood Warning | VEF | San Bernardino | 2 hr |
| Aug 26, 5:29 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Aug 26, 5:43 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 2 hr |
| Aug 26, 8:08 PM PDT | Flash Flood Warning | VEF | San Bernardino | 82 min |
| Aug 26, 9:39 PM PDT | Areal Flood Advisory | VEF | San Bernardino | 3 hr |
| Aug 26, 5:55 PM PDT | Flash Flood Warning | VEF | Mohave | 110 min |
| Aug 27, 4:22 PM PDT | Areal Flood Advisory | VEF | 113 min |
Nearby
Red Flag Warnings in Nevada, 2010Red Flag Warnings in California, 2010Red Flag Warnings in Arizona, 2010Every red flag warning in 2010
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.