Alert archive / Nevada / Red Flag Warnings in 2011
Red Flag Warning 7, NWS Elko, NV
NWS Elko, NV issued this red flag warning at Aug 3, 2011, 3:04 PM PDT for Elko County, Nevada. It took effect at Aug 3, 2011, 5:00 PM PDT. It was in force for 27 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 3, 2011, 3:04 PM PDT (22:04 UTC)
- In effect from
- Aug 3, 2011, 5:00 PM PDT
- Expired
- Aug 4, 2011, 8:00 PM PDT
- In force
- 27 hr
- Issued by
- NWS Elko, NV
County Elko County, NV
The radar
The Elko radar (KLRX), 129 km from the middle of the area, began a volume at 22:08 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
Elko, NV (KLKN), launched 12:00Z, 10.1 hours before the alert went out and 102 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
- 154 J/kg
- Mixed-layer CIN
- -278 J/kg
- Mixed-layer LCL
- 1429 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
633 WWUS85 KLKN 032204 RFWLKN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ELKO NV 304 PM PDT WED AUG 3 2011 ...DRY THUNDERSTORMS AND GUSTY WINDS EXPECTED IN DIFFERENT PARTS OF NEVADA TONIGHT INTO THURSDAY... .A TROUGH OF LOW PRESSURE MOVING IN FROM THE PACIFIC WILL RESULT IN TWO AREAS OF CRITICAL FIRE WEATHER TONIGHT THROUGH THURSDAY. THE FIRST WILL BE AN AREA OF DRY THUNDERSTORMS WHICH IS EXPECTED TO DEVELOP ACROSS NORTHWESTERN NEVADA LATER THIS EVENING AND PERSIST INTO THURSDAY. THE SECOND IS A BAND OF GUSTY WINDS AND LOW HUMIDITY WHICH IS EXPECTED TO MOVE INTO EAST-CENTRAL NEVADA DURING THE DAY THURSDAY. NVZ467-468-041200- /O.NEW.KLKN.FW.W.0007.110804T0000Z-110805T0000Z/ CENTRAL AND WESTERN HUMBOLDT COUNTY- EASTERN HUMBOLDT COUNTY AND NORTHWESTERN ELKO COUNTY- 304 PM PDT WED AUG 3 2011 ...RED FLAG WARNING IN EFFECT FROM 5 PM WEDNESDAY THROUGH 5 PM PDT THURSDAY FOR DRY THUNDERSTORMS FOR FIRE WEATHER ZONES 467 AND 468... THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A RED FLAG WARNING FOR DRY THUNDERSTORMS...WHICH IS IN EFFECT FROM 5 PM WEDNESDAY UNTIL 5 PM PDT THURSDAY. THIS RED FLAG WARNING IS FOR THE FOLLOWING FIRE WEATHER ZONES: 467 - CENTRAL AND WESTERN HUMBOLDT COUNTY 468 - EASTERN HUMBOLDT COUNTY AND NORTHWESTERN ELKO COUNTY * THUNDERSTORMS...ISOLATED TO SCATTERED DRY THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS HUMBOLDT COUNTY LATER THIS EVENING...AND PERSIST TO SOME EXTENT THROUGH MUCH OF THE DAY THURSDAY. * OUTFLOW WINDS...GUSTY WINDS UP TO 35 MPH CAN BE EXPECTED AROUND THUNDERSTORMS. * IMPACTS...THE COMBINATION OF SCATTERED LIGHTNING STRIKES AND LITTLE TO NO RAIN WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS. 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ NVZ455-041200- /O.NEW.KLKN.FW.W.0007.110804T1800Z-110805T0300Z/ WHITE PINE COUNTY- 304 PM PDT WED AUG 3 2011 ...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM PDT THURSDAY FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 455... THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A RED FLAG WARNING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM 11 AM TO 8 PM PDT THURSDAY. THIS RED FLAG WARNING IS FOR THE FOLLOWING FIRE WEATHER ZONES: 455 - WHITE PINE COUNTY * WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...FALLING TO BETWEEN 9 AND 15 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS ON THURSDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ RCM
3 follow-up statements
018 WWUS85 KLKN 040844 RFWLKN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ELKO NV 144 AM PDT THU AUG 4 2011 ...DRY THUNDERSTORMS ACROSS NORTHERN NEVADA TODAY WITH GUSTY WINDS AND LOW RELATIVE HUMIDITY'S ACROSS WHITE PINE COUNTY... .A TROUGH OF LOW PRESSURE MOVING IN FROM THE PACIFIC WILL RESULT IN TWO AREAS OF CRITICAL FIRE WEATHER CONDITIONS TODAY. THE FIRST WILL BE AN AREA OF DRY THUNDERSTORMS WHICH WILL DEVELOP ACROSS NORTHERN NEVADA THIS MORNING AND CONTINUE INTO THE AFTERNOON HOURS. THE SECOND THREAT IS A BAND OF GUSTY WINDS AND LOW HUMIDITY WHICH WILL DEVELOP BY MIDDAY ACROSS WHITE PINE COUNTY. NVZ469-042045- /O.EXA.KLKN.FW.W.0007.000000T0000Z-110805T0000Z/ SOUTHWESTERN AND CENTRAL ELKO COUNTY- 144 AM PDT THU AUG 4 2011 ...RED FLAG WARNING IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS FOR FIRE WEATHER ZONE 469... THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A RED FLAG WARNING FOR DRY THUNDERSTORMS AND GUSTY OUTFLOW WINDS...WHICH IS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. THIS RED FLAG WARNING IS FOR THE FOLLOWING FIRE WEATHER ZONES: 469 - SOUTHWESTERN AND CENTRAL ELKO COUNTY * THUNDERSTORMS...ISOLATED DRY THUNDERSTORM COVERAGE OF UP TO 20 PERCENT IS EXPECTED EARLY THIS MORNING THROUGH MIDDAY. STORMS WILL BE CONFINED TO EXTREME NORTHERN NEVADA DURING THE AFTERNOON HOURS. * OUTFLOW WINDS...GUSTY WINDS UP TO 35 MPH CAN BE EXPECTED AROUND THUNDERSTORMS. * IMPACTS...THE COMBINATION OF LIGHTNING STRIKES AND LITTLE TO NO RAIN WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. && $$ NVZ467-468-042045- /O.CON.KLKN.FW.W.0007.000000T0000Z-110805T0000Z/ CENTRAL AND WESTERN HUMBOLDT COUNTY- EASTERN HUMBOLDT COUNTY AND NORTHWESTERN ELKO COUNTY- 144 AM PDT THU AUG 4 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON FOR DRY THUNDERSTORMS FOR FIRE WEATHER ZONES 467 AND 468... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. THIS RED FLAG WARNING IS FOR THE FOLLOWING FIRE WEATHER ZONES: 467 - CENTRAL AND WESTERN HUMBOLDT COUNTY 468 - EASTERN HUMBOLDT COUNTY AND NORTHWESTERN ELKO COUNTY * THUNDERSTORMS...ISOLATED DRY THUNDERSTORM COVERAGE OF UP TO 20 PERCENT IS EXPECTED EARLY THIS MORNING THROUGH MIDDAY. STORMS WILL BE CONFINED TO EXTREME NORTHERN NEVADA DURING THE AFTERNOON HOURS. * OUTFLOW WINDS...GUSTY WINDS UP TO 35 MPH CAN BE EXPECTED AROUND THUNDERSTORMS. * IMPACTS...THE COMBINATION OF LIGHTNING STRIKES AND LITTLE TO NO RAIN WILL RESULT IN CRITICAL FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. && $$ NVZ455-042045- /O.CON.KLKN.FW.W.0007.110804T1800Z-110805T0300Z/ WHITE PINE COUNTY- 144 AM PDT THU AUG 4 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR FIRE WEATHER ZONE 455... A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM PDT THIS EVENING. THIS RED FLAG WARNING IS FOR THE FOLLOWING FIRE WEATHER ZONES: 455 - WHITE PINE COUNTY * WINDS...SOUTH 15 TO 20 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...MINIMUM RELATIVE HUMIDITY VALUES OF 10 TO 15 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS ON THURSDAY. 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$
657 WWUS85 KLKN 042140 RFWLKN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ELKO NV 240 PM PDT THU AUG 4 2011 ...GUSTY WINDS AND LOW HUMIDITY CONTINUE ACROSS WHITE PINE COUNTY...BUT THE THREAT OF DRY LIGHTNING HAS DECREASED IN NORTHERN NEVADA... .A TROUGH OF LOW PRESSURE MOVING IN FROM THE PACIFIC WILL CONTINUE TO CAUSE A BAND OF GUSTY WINDS AND LOW HUMIDITY OVER WHITE PINE COUNTY INTO THIS EVENING. FURTHER NORTH...THE THREAT OF DRY THUNDERSTORMS HAS DECREASED ACROSS THE NORTHERN PORTION OF THE SILVER STATE. NVZ467>469-042245- /O.CAN.KLKN.FW.W.0007.000000T0000Z-110805T0000Z/ CENTRAL AND WESTERN HUMBOLDT COUNTY- EASTERN HUMBOLDT COUNTY AND NORTHWESTERN ELKO COUNTY- SOUTHWESTERN AND CENTRAL ELKO COUNTY- 240 PM PDT THU AUG 4 2011 ...RED FLAG WARNING FOR DRY THUNDERSTORMS IS CANCELLED FOR FIRE WEATHER ZONES 467...468 AND 469... THE NATIONAL WEATHER SERVICE IN ELKO HAS CANCELLED THE RED FLAG WARNING. THUNDERSTORMS FOR THE REMAINDER OF THE DAY APPEAR TO BE MOVING SLOW ENOUGH TO PRODUCE SOME WETTING RAINS. THEREFORE...THE RED FLAG WARNING HAS BEEN CANCELLED. SOME DRY LIGHTNING IS STILL POSSIBLE ON THE PERIPHERY OF THUNDERSTORMS...AND A FEW FIRE STARTS REMAIN POSSIBLE AS IS USUALLY THE CASE WITH ANY THUNDERSTORM ACTIVITY...BUT A LARGE NUMBER OF NEW STARTS IS UNLIKELY. $$ NVZ455-050300- /O.CON.KLKN.FW.W.0007.000000T0000Z-110805T0300Z/ WHITE PINE COUNTY- 240 PM PDT THU AUG 4 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 455... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING. THIS RED FLAG WARNING IS FOR THE FOLLOWING FIRE WEATHER ZONES: 455 - WHITE PINE COUNTY * WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...BETWEEN 9 AND 15 PERCENT. * IMPACTS...THE COMBINATION OF GUSTY WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS INTO THIS EVENING. 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 WILL CREATE EXPLOSIVE FIRE GROWTH POTENTIAL. && $$ RCM
008 WWUS85 KLKN 050251 RFWLKN URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE ELKO NV 751 PM PDT THU AUG 4 2011 NVZ455-050400- /O.EXP.KLKN.FW.W.0007.000000T0000Z-110805T0300Z/ WHITE PINE COUNTY- 750 PM PDT THU AUG 4 2011 ...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITY FOR FIRE WEATHER ZONE 455... THE RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING. EVEN THOUGH RELATIVE HUMIDITY VALUES ARE STILL BELOW 10 PERCENT...WINDS HAVE WEAKENED AND DROPPED BELOW 15 MPH. THUS THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE. $$
The office that day
Everything else NWS Elko, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 12:41 PM PDT | Special Weather Statement | LKN | Eureka | 49 min |
| Aug 3, 1:03 PM PDT | Special Weather Statement | LKN | White Pine | 27 min |
| Aug 3, 1:25 PM PDT | Special Weather Statement | LKN | Eureka | 50 min |
| Aug 3, 2:14 PM PDT | Special Weather Statement | LKN | 31 min | |
| Aug 3, 2:26 PM PDT | Special Weather Statement | LKN | 49 min | |
| Aug 3, 3:12 PM PDT | Special Weather Statement | LKN | White Pine | 48 min |
| Aug 3, 3:48 PM PDT | Special Weather Statement | LKN | 42 min | |
| Aug 3, 4:05 PM PDT | Severe Thunderstorm Warning | LKN | Elko | 40 min |
Nearby
Red Flag Warnings in Nevada, 2011Every red flag warning in 2011
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.