Alert archive / California / Red Flag Warnings in 2007
Red Flag Warning 23, NWS Reno, NV
NWS Reno, NV issued this red flag warning at Aug 18, 2007, 3:51 PM PDT for 4 counties in California. It took effect at Aug 19, 2007, 12:07 AM PDT. It was in force for 19 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 18, 2007, 3:51 PM PDT (22:51 UTC)
- In effect from
- Aug 19, 2007, 12:07 AM PDT
- Expired
- Aug 19, 2007, 7:00 PM PDT
- In force
- 19 hr
- Issued by
- NWS Reno, NV
Counties El Dorado County, CA, Nevada County, CA, Placer County, CA, Sierra County, CA
The radar
The Beale AFB radar (KBBX), 93 km from the middle of the area, began a volume at 22:55 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
Oakland, CA (KOAK), launched 12:00Z, 10.9 hours before the alert went out and 211 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
- 1461 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 13 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 KREV 182251 RFWREV RED FLAG WARNING NATIONAL WEATHER SERVICE RENO NV 351 PM PDT SAT AUG 18 2007 CAZ273-190430- /O.UPG.KREV.FW.A.0022.070819T1700Z-070820T0300Z/ /O.NEW.KREV.FW.W.0023.070819T1600Z-070820T0200Z/ /O.CON.KREV.FW.W.0022.000000T0000Z-070819T0700Z/ MONO-EASTERN ALPINE COUNTIES- 351 PM PDT SAT AUG 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT... ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL PUSH ACROSS NORTHERN CALIFORNIA TONIGHT AND EARLY SUNDAY. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CONTINUE UNTIL MIDNIGHT TONIGHT. GUSTS UP TO 45 MPH ARE EXPECTED OVER NORTHERN MONO COUNTY BETWEEN MONO LAKE AND WALKER BETWEEN 5 PM AND 11 PM THIS EVENING. HUMIDITY WILL REMAIN IN THE SINGLE DIGITS THROUGH THIS EVENING...THEN INCREASE AROUND MIDNIGHT AS WINDS DIMINISH. SOUTHWEST WINDS WILL INCREASE TO 15 TO 25 MPH AGAIN SUNDAY MORNING WITH GUSTS OF 35 TO 40 MPH POSSIBLE. IN ADDITION...RELATIVE HUMIDITY WILL DROP INTO THE SINGLE DIGITS BY LATE MORNING CREATING CRITICAL FIRE WEATHER CONDITIONS. WINDS ARE EXPECTED TO SHIFT TO THE WEST SUNDAY EVENING. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ NVZ450-190430- /O.UPG.KREV.FW.A.0022.070819T1700Z-070820T0300Z/ /O.NEW.KREV.FW.W.0023.070819T1600Z-070820T0200Z/ /O.CON.KREV.FW.W.0022.000000T0000Z-070819T0700Z/ WESTERN NEVADA SIERRA FRONT- 351 PM PDT SAT AUG 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT... ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL MOVE ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA TONIGHT AND EARLY SUNDAY. AN EAST TO WEST COLD FRONT WILL SAG ACROSS NORTHERN NEVADA BY SUNDAY AFTERNOON. SOUTHWEST WINDS AT 15 TO 25 MPH WILL CONTINUE THIS EVENING ALONG THE SIERRA FRONT WITH GUSTS TO 40 MPH. LOCALLY STRONGER GUSTS TO 45 MPH ARE POSSIBLE IN WIND PRONE AREAS. HUMIDITIES IN THE SINGLE DIGITS THIS EVENING WILL ADD TO THE CRITICAL FIRE WEATHER CONDITIONS. WINDS ARE EXPECTED TO DIMINISH AROUND MIDNIGHT. SOUTHWEST WINDS WILL INCREASE AGAIN ON SUNDAY MORNING AT 15 TO 25 MPH WITH AFTERNOON GUSTS OF 35 TO 40 MPH. HUMIDITY WILL DROP AGAIN INTO THE SINGLE DIGITS. WINDS WILL SHIFT TO THE WEST BY LATE AFTERNOON. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ272-190430- /O.NEW.KREV.FW.W.0023.070819T1600Z-070820T0200Z/ /O.CON.KREV.FW.W.0022.000000T0000Z-070819T0400Z/ GREATER LAKE TAHOE AREA- 351 PM PDT SAT AUG 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL MOVE ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA TONIGHT AND EARLY SUNDAY. WINDS WILL CONTINUE THIS EVENING AT 15 TO 20 MPH WITH GUSTS OF 30 TO 35 MPH. HUMIDITIES WILL REMAIN IN THE SINGLE DIGITS THIS EVENING WITH POOR OVERNIGHT RECOVERIES. RIDGE TOP WINDS IN THE SIERRA WILL RANGE FROM 60 TO 80 MPH OVERNIGHT. WINDS WILL INCREASE AGAIN SUNDAY MORNING AND CONTINUE THROUGH LATE AFTERNOON AS DAYTIME HUMIDITIES DROP BELOW 20 PERCENT...CREATING CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ NVZ453-459-190430- /O.UPG.KREV.FW.A.0022.070819T1700Z-070820T0300Z/ /O.NEW.KREV.FW.W.0023.070819T1600Z-070820T0200Z/ WEST CENTRAL NEVADA BASIN AND RANGE- MINERAL AND SOUTHERN LYON COUNTIES- 351 PM PDT SAT AUG 18 2007 ...RED FLAG WARNING IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL MOVE ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA TONIGHT AND EARLY SUNDAY. AN EAST TO WEST COLD FRONT WILL SAG ACROSS NORTHERN NEVADA BY SUNDAY AFTERNOON. EXPECT SOUTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS OF 35 TO 40 MPH SUNDAY. WINDS WILL SHIFT TO THE WEST BY LATE AFTERNOON OR EVENING. HUMIDITIES IN THE SINGLE DIGITS SUNDAY WILL ADD TO THE CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ270-278-NVZ458-190430- /O.CON.KREV.FW.W.0022.000000T0000Z-070819T0700Z/ SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 351 PM PDT SAT AUG 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT... A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL PUSH A COLD FRONT ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA SUNDAY. SOUTHWEST WINDS WILL CONTINUE UNTIL MIDNIGHT AT 15 TO 25 MPH MPH WITH GUSTS TO 35 MPH AHEAD OF THE FRONT. HUMIDITIES WILL REMAIN IN THE SINGLE DIGITS AND TEENS THIS EVENING. GUSTY WINDS WILL REDEVELOP EARLY SUNDAY BUT DIMINISH BY EARLY AFTERNOON. HUMIDITIES WILL INCREASE SUNDAY TO 15 TO 25 PERCENT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ271-190400- /O.CON.KREV.FW.W.0022.000000T0000Z-070819T0400Z/ WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES- 351 PM PDT SAT AUG 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT THIS EVENING. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL PUSH A COLD FRONT ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA SUNDAY. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CONTINUE UNTIL 9 PM THIS EVENING...THEN DIMINISH OVERNIGHT. HUMIDITIES WILL REMAIN IN THE SINGLE DIGITS AND TEENS THIS EVENING. GUSTY WINDS WILL REDEVELOP EARLY SUNDAY BUT DIMINISH BY EARLY AFTERNOON. HUMIDITIES WILL INCREASE SUNDAY TO 15 TO 25 PERCENT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ HTTP://WEATHER.GOV/RENO/FIRE
5 follow-up statements
000 WWUS85 KREV 190359 RFWREV RED FLAG WARNING NATIONAL WEATHER SERVICE RENO NV 859 PM PDT SAT AUG 18 2007 CAZ272-191400- /O.CAN.KREV.FW.W.0022.000000T0000Z-070819T0400Z/ /O.CON.KREV.FW.W.0023.070819T1600Z-070820T0200Z/ GREATER LAKE TAHOE AREA- 859 PM PDT SAT AUG 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY FOR STRONG WINDS AND LOW HUMIDITY... ...RED FLAG WARNING IS CANCELLED FOR THIS EVENING... THE NATIONAL WEATHER SERVICE IN RENO HAS CANCELLED THE RED FLAG WARNING WHICH WAS IN EFFECT THIS EVENING. A RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL MOVE ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA TONIGHT AND EARLY SUNDAY. WINDS THIS EVENING ARE EXPECTED TO SUBSIDE TO AROUND 10 TO 15 MPH IN THE VALLEY AREAS AND NEAR LAKE LEVEL...HOWEVER STRONG WIND GUSTS WILL REMAIN LIKELY ON THE RIDGE TOPS WITH GUSTS OF BETWEEN 60 AND 80 MPH LIKELY. POOR HUMIDITY RECOVERIES ARE ANTICIPATED OVERNIGHT. SOUTHWEST WINDS WILL INCREASE AGAIN SUNDAY MORNING AND CONTINUE THROUGH LATE AFTERNOON AS DAYTIME HUMIDITIES DROP BELOW 20 PERCENT... CREATING CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ271-190500- /O.CAN.KREV.FW.W.0022.000000T0000Z-070819T0400Z/ WESTERN LASSEN-EASTERN PLUMAS-EASTERN SIERRA- EASTERN NEVADA COUNTIES- 859 PM PDT SAT AUG 18 2007 ...RED FLAG WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN RENO HAS CANCELLED THE RED FLAG WARNING. WINDS THIS EVENING ARE EXPECTED TO SUBSIDE TO AROUND 10 TO 15 MPH IN THE VALLEY AREAS...HOWEVER OCCASIONAL STRONG WIND GUSTS WILL REMAIN LIKELY ON THE RIDGE TOPS. GENERALLY POOR HUMIDITY RECOVERIES ARE ANTICIPATED OVERNIGHT. $$ CAZ273-191400- /O.CON.KREV.FW.W.0022.000000T0000Z-070819T0700Z/ /O.CON.KREV.FW.W.0023.070819T1600Z-070820T0200Z/ MONO-EASTERN ALPINE COUNTIES- 859 PM PDT SAT AUG 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT FOR GUSTY WINDS AND LOW HUMIDITY... ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY FOR STRONG WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT. A RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL PUSH ACROSS NORTHERN CALIFORNIA TONIGHT AND EARLY SUNDAY. SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL CONTINUE UNTIL MIDNIGHT TONIGHT. GUSTS UP TO 45 MPH ARE EXPECTED OVER NORTHERN MONO COUNTY BETWEEN MONO LAKE AND WALKER BETWEEN 5 PM AND 11 PM THIS EVENING. HUMIDITY WILL REMAIN IN THE SINGLE DIGITS THROUGH THIS EVENING...THEN INCREASE AROUND MIDNIGHT AS WINDS DIMINISH. SOUTHWEST WINDS WILL INCREASE TO 15 TO 25 MPH AGAIN SUNDAY MORNING WITH GUSTS OF 35 TO 40 MPH POSSIBLE. IN ADDITION... RELATIVE HUMIDITY WILL DROP INTO THE SINGLE DIGITS BY LATE MORNING CREATING CRITICAL FIRE WEATHER CONDITIONS. WINDS ARE EXPECTED TO SHIFT TO THE WEST SUNDAY EVENING. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ NVZ450-191400- /O.CON.KREV.FW.W.0022.000000T0000Z-070819T0700Z/ /O.CON.KREV.FW.W.0023.070819T1600Z-070820T0200Z/ WESTERN NEVADA SIERRA FRONT- 859 PM PDT SAT AUG 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT FOR GUSTY WINDS AND LOW HUMIDITY... ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY FOR STRONG WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT. A RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL MOVE ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA TONIGHT AND EARLY SUNDAY. AN EAST TO WEST COLD FRONT WILL SAG ACROSS NORTHERN NEVADA BY SUNDAY AFTERNOON. SOUTHWEST WINDS AT 15 TO 25 MPH WILL CONTINUE THIS EVENING ALONG THE SIERRA FRONT WITH GUSTS TO 40 MPH. LOCALLY STRONGER GUSTS TO 45 MPH ARE POSSIBLE IN WIND PRONE AREAS. HUMIDITIES IN THE SINGLE DIGITS THIS EVENING WILL ADD TO THE CRITICAL FIRE WEATHER CONDITIONS. WINDS ARE EXPECTED TO DIMINISH AROUND MIDNIGHT. SOUTHWEST WINDS WILL INCREASE AGAIN ON SUNDAY MORNING AT 15 TO 25 MPH WITH AFTERNOON GUSTS OF 35 TO 40 MPH. HUMIDITY WILL DROP AGAIN INTO THE SINGLE DIGITS. WINDS WILL SHIFT TO THE WEST BY LATE AFTERNOON. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ270-278-NVZ458-190700- /O.CON.KREV.FW.W.0022.000000T0000Z-070819T0700Z/ SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 859 PM PDT SAT AUG 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT FOR GUSTY WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL PUSH A COLD FRONT ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA SUNDAY. SOUTHWEST WINDS WILL CONTINUE UNTIL MIDNIGHT AT 15 TO 25 MPH MPH WITH GUSTS TO 35 MPH AHEAD OF THE FRONT. HUMIDITIES WILL REMAIN IN THE SINGLE DIGITS AND TEENS THIS EVENING. GUSTY WINDS WILL REDEVELOP EARLY SUNDAY BUT DIMINISH BY EARLY AFTERNOON. HUMIDITIES WILL INCREASE SUNDAY TO 15 TO 25 PERCENT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ NVZ453-459-191400- /O.CON.KREV.FW.W.0023.070819T1600Z-070820T0200Z/ WEST CENTRAL NEVADA BASIN AND RANGE- MINERAL AND SOUTHERN LYON COUNTIES- 859 PM PDT SAT AUG 18 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY FOR STRONG WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL MOVE ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA TONIGHT AND EARLY SUNDAY. AN EAST TO WEST COLD FRONT WILL SAG ACROSS NORTHERN NEVADA BY SUNDAY AFTERNOON. EXPECT SOUTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS OF 35 TO 40 MPH SUNDAY. WINDS WILL SHIFT TO THE WEST BY LATE AFTERNOON OR EVENING. HUMIDITIES IN THE SINGLE DIGITS SUNDAY WILL ADD TO THE CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CS HTTP://WEATHER.GOV/RENO/FIRE
000 WWUS85 KREV 190707 RFWREV RED FLAG WARNING NATIONAL WEATHER SERVICE RENO NV 1207 AM PDT SUN AUG 19 2007 CAZ273-191515- /O.CAN.KREV.FW.W.0022.000000T0000Z-070819T0700Z/ /O.EXT.KREV.FW.W.0023.070819T0707Z-070820T0200Z/ MONO-EASTERN ALPINE COUNTIES- 1207 AM PDT SUN AUG 19 2007 ...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM PDT SUNDAY FOR STRONG WINDS AND LOW HUMIDITY... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 7 PM PDT SUNDAY. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL PUSH ACROSS NORTHERN CALIFORNIA TONIGHT AND EARLY SUNDAY. WHILE SOUTHWEST WINDS HAVE DIMINISHED ACROSS THE VALLEYS TO 10 TO 15 MPH...WIND PRONE AREAS ARE STILL SEEING WIND SPEEDS AROUND 20 MPH WITH GUSTS TO 35 MPH. THESE WINDS WILL CONTINUE OVERNIGHT WITH ALL AREAS SEEING STRONG SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS BETWEEN 35 AND 40 MPH BY NOON SUNDAY. RELATIVE HUMIDITY WILL ONLY CLIMB INTO THE TEENS TONIGHT IN MANY LOCATIONS AND DROP INTO THE SINGLE DIGITS BY MID MORNING CREATING CRITICAL FIRE WEATHER CONDITIONS. WINDS ARE EXPECTED TO SHIFT TO THE WEST SUNDAY EVENING. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ NVZ450-191515- /O.CAN.KREV.FW.W.0022.000000T0000Z-070819T0700Z/ /O.EXT.KREV.FW.W.0023.070819T0707Z-070820T0200Z/ WESTERN NEVADA SIERRA FRONT- 1207 AM PDT SUN AUG 19 2007 ...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM PDT SUNDAY FOR STRONG WINDS AND LOW HUMIDITY... THE RED FLAG WARNING IS NOW IN EFFECT UNTIL 7 PM PDT SUNDAY. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL MOVE ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA TONIGHT AND EARLY SUNDAY. WHILE SOUTHWEST WINDS HAVE DIMINISHED TO 10 TO 15 MPH ACROSS VALLEY LOCATIONS...THE FOOTHILLS AND WIND PRONE AREAS OF THE SIERRA FRONT WILL CONTINUE TO SEE STRONG WINDS. SPEEDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH WILL CONTINUE IN WIND PRONE AREAS OVERNIGHT. IN ADDITION...HUMIDITY RECOVERY WILL BE POOR WITH MANY AREAS ONLY RISING INTO THE TEENS BY SUNRISE. ALL AREAS WILL SEE STRONG SOUTHWEST WINDS BY MID MORNING OF 15 TO 25 MPH WITH GUSTS BETWEEN 35 AND 40 MPH. GUSTS UP TO 50 MPH ARE POSSIBLE IN THE FOOTHILLS. HUMIDITY WILL DROP AGAIN INTO THE SINGLE DIGITS. WINDS WILL SHIFT TO THE WEST AND NORTHWEST BY LATE AFTERNOON. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ270-278-NVZ458-190815- /O.EXP.KREV.FW.W.0022.000000T0000Z-070819T0700Z/ SURPRISE VALLEY CALIFORNIA-EASTERN LASSEN COUNTY- NORTHERN WASHOE COUNTY- 1207 AM PDT SUN AUG 19 2007 ...RED FLAG WARNING WILL EXPIRE AT MIDNIGHT PDT TONIGHT... THE RED FLAG WARNING WILL EXPIRE AT MIDNIGHT PDT TONIGHT. SOUTHWEST WINDS HAVE DIMINISHED ACROSS THE AREA. EXPECT SPEEDS OF 10 TO 15 MPH WITH GUSTS TO 25 MPH OVERNIGHT. RELATIVE HUMIDITY HAS ALSO RISEN TO 15 TO 25 PERCENT AND WILL CONTINUE TO RISE THROUGH SUNRISE TO 35 PERCENT. $$ CAZ272-191515- /O.CON.KREV.FW.W.0023.070819T1600Z-070820T0200Z/ GREATER LAKE TAHOE AREA- 1207 AM PDT SUN AUG 19 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY FOR STRONG WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL MOVE ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA TONIGHT AND EARLY SUNDAY. WINDS OVERNIGHT WILL REMAIN AROUND 10 TO 15 MPH IN THE VALLEY AREAS AND NEAR LAKE LEVEL...HOWEVER STRONG WIND GUSTS WILL REMAIN LIKELY ON THE RIDGE TOPS WITH GUSTS BETWEEN 60 AND 80 MPH LIKELY. POOR HUMIDITY RECOVERIES ARE ANTICIPATED OVERNIGHT. SOUTHWEST WINDS WILL INCREASE AGAIN SUNDAY MORNING TO 15 TO 20 MPH WITH GUSTS TO 35 MPH AND CONTINUE THROUGH LATE AFTERNOON AS DAYTIME HUMIDITIES DROP BELOW 20 PERCENT...CREATING CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ NVZ453-459-191515- /O.CON.KREV.FW.W.0023.070819T1600Z-070820T0200Z/ WEST CENTRAL NEVADA BASIN AND RANGE- MINERAL AND SOUTHERN LYON COUNTIES- 1207 AM PDT SUN AUG 19 2007 ...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY FOR STRONG WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM TO 7 PM PDT SUNDAY. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL MOVE ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA TONIGHT AND EARLY SUNDAY. AN EAST TO WEST COLD FRONT WILL SAG ACROSS NORTHERN NEVADA BY SUNDAY AFTERNOON. EXPECT SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS BETWEEN 35 AND 40 MPH BY NOON SUNDAY. WINDS WILL SHIFT TO THE WEST AND NORTHWEST BY LATE AFTERNOON OR EVENING. HUMIDITIES IN THE SINGLE DIGITS SUNDAY WILL ADD TO THE CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ HTTP://WEATHER.GOV/RENO/FIRE WALLMANN
000 WWUS85 KREV 191407 RFWREV RED FLAG WARNING NATIONAL WEATHER SERVICE RENO NV 707 AM PDT SUN AUG 19 2007 CAZ273-NVZ450-192215- /O.CON.KREV.FW.W.0023.000000T0000Z-070820T0200Z/ MONO-EASTERN ALPINE COUNTIES-WESTERN NEVADA SIERRA FRONT- 707 AM PDT SUN AUG 19 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL MOVE ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA TODAY. SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH CURRENTLY IN WIND PRONE AREAS WILL BECOMING MORE WIDESPREAD BY LATE MORNING. RELATIVE HUMIDITY... CURRENTLY NEAR 20 PERCENT WILL DROP TO AROUND 10% BY LATE MORNING AND REMAIN THERE THROUGH THE AFTERNOON. WINDS WILL SHIFT TO THE WEST AND NORTHWEST BY LATE AFTERNOON. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ CAZ272-192215- /O.CON.KREV.FW.W.0023.070819T1600Z-070820T0200Z/ GREATER LAKE TAHOE AREA- 707 AM PDT SUN AUG 19 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL MOVE ACROSS NORTHERN CALIFORNIA AND NORTHERN NEVADA TODAY. SOUTHWEST WINDS WILL INCREASE TO 15 TO 20 MPH WITH GUSTS UP TO 35 MPH EXPECTED BY LATE MORNING. IN ADDITION...REALTIVE HUMIDITY WILL DROP INTO THE TEENS AND REMAIN THERE THROUGH THE AFTERNOON. THE COMBINATION OF STRONG WINDS AND LOW HUMIDITY WILL CREATE CRITICAL FIRE WEATHER CONDITIONS TODAY. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ NVZ453-459-192215- /O.CON.KREV.FW.W.0023.070819T1600Z-070820T0200Z/ WEST CENTRAL NEVADA BASIN AND RANGE- MINERAL AND SOUTHERN LYON COUNTIES- 707 AM PDT SUN AUG 19 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING. LOW PRESSURE ALONG THE PACIFIC NORTHWEST COAST WILL MOVE ACROSS NORTHERN NEVADA TODAY. A COLD FRONT WILL MOVE INTO WESTERN NEVADA TODAY AND WILL BRING SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS BETWEEN 35 AND 40 MPH BY NOON SUNDAY. WINDS WILL SHIFT TO THE WEST AND NORTHWEST BY LATE AFTERNOON BEHIND THE FRONT. HUMIDITY IN THE SINGLE DIGITS SUNDAY WILL ADD TO THE CRITICAL FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR. $$ HTTP://WEATHER.GOV/RENO/FIRE
000 WWUS85 KREV 192202 RFWREV RED FLAG WARNING NATIONAL WEATHER SERVICE RENO NV 302 PM PDT SUN AUG 19 2007 NVZ450-200615- /O.NEW.KREV.FW.A.0023.070820T2000Z-070821T0300Z/ /O.CON.KREV.FW.W.0023.000000T0000Z-070820T0200Z/ WESTERN NEVADA SIERRA FRONT- 302 PM PDT SUN AUG 19 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY... ...FIRE WEATHER WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING FOR STRONG WINDS AND LOW HUMIDITY... THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A FIRE WEATHER WATCH...WHICH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING. A LOW PRESSURE SYSTEM MOVING THROUGH THE PACIFIC NORTHWEST WILL CONTINUE TO PROVIDE GUSTY SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH THROUGH AROUND 7 PM THIS EVENING. RELATIVE HUMIDITY...CURRENTLY NEAR 10 PERCENT WILL SLOWLY INCREASE THROUGH THE EVENING HOURS BEFORE RECOVERING TO 30% TO 40% OVERNIGHT. GUSTY WINDS ARE EXPECTED AGAIN TOMORROW AFTERNOON AND EVENING ALONG THE SIERRA FRONT...ALTHOUGH THEY WILL NOT BE QUITE AS STRONG AS TODAY. SOUTHWEST WINDS WILL INCREASE TO 10 TO 20 MPH WITH WIND GUSTS OF 30 TO 35 MPH BEGINNING AROUND 1 PM. RELATIVE HUMIDITIES WILL AGAIN LOWER TO 8 TO 16 PERCENT BY EARLY TOMORROW AFTERNOON CREATING ANOTHER DAY OF POTENTIALLY HAZARDOUS FIRE WEATHER CONDITIONS. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR OR ARE OCCURRING. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE LIKELY TO OCCUR. $$ CAZ273-200200- /O.CON.KREV.FW.W.0023.000000T0000Z-070820T0200Z/ MONO-EASTERN ALPINE COUNTIES- 302 PM PDT SUN AUG 19 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING. A LOW PRESSURE SYSTEM MOVING THROUGH THE PACIFIC NORTHWEST WILL CONTINUE TO PROVIDE GUSTY SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH THROUGH AROUND 7 PM THIS EVENING. RELATIVE HUMIDITY...CURRENTLY NEAR 10 PERCENT WILL SLOWLY INCREASE THROUGH THE EVENING HOURS BEFORE RECOVERING TO 25% TO 40% OVERNIGHT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR OR ARE OCCURRING. $$ CAZ272-200200- /O.CON.KREV.FW.W.0023.000000T0000Z-070820T0200Z/ GREATER LAKE TAHOE AREA- 302 PM PDT SUN AUG 19 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING. A LOW PRESSURE SYSTEM MOVING THROUGH THE PACIFIC NORTHWEST WILL CONTINUE TO PROVIDE GUSTY SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH THROUGH AROUND 7 PM THIS EVENING. RELATIVE HUMIDITY...CURRENTLY NEAR 15 PERCENT WILL SLOWLY INCREASE THROUGH THE EVENING HOURS BEFORE RECOVERING TO 40% TO 55% OVERNIGHT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR OR ARE OCCURRING. $$ NVZ453-459-200200- /O.CON.KREV.FW.W.0023.000000T0000Z-070820T0200Z/ WEST CENTRAL NEVADA BASIN AND RANGE- MINERAL AND SOUTHERN LYON COUNTIES- 302 PM PDT SUN AUG 19 2007 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING FOR STRONG WINDS AND LOW HUMIDITY... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM PDT THIS EVENING. A LOW PRESSURE SYSTEM MOVING THROUGH THE PACIFIC NORTHWEST WILL CONTINUE TO PROVIDE GUSTY SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO 40 MPH THROUGH AROUND 7 PM THIS EVENING. RELATIVE HUMIDITY...CURRENTLY NEAR 10 PERCENT WILL SLOWLY INCREASE THROUGH THE EVENING HOURS BEFORE RECOVERING TO 25% TO 40% OVERNIGHT. A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR OR ARE OCCURRING. $$ HTTP://WEATHER.GOV/RENO/FIRE
000 WWUS85 KREV 200158 RFWREV RED FLAG WARNING NATIONAL WEATHER SERVICE RENO NV 658 PM PDT SUN AUG 19 2007 NVZ450-201430- /O.EXP.KREV.FW.W.0023.000000T0000Z-070820T0200Z/ /O.CON.KREV.FW.A.0023.070820T2000Z-070821T0300Z/ WESTERN NEVADA SIERRA FRONT- 658 PM PDT SUN AUG 19 2007 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING... ...RED FLAG WARNING WILL EXPIRE AT 7 PM PDT THIS EVENING... THE RED FLAG WARNING WILL EXPIRE AT 7 PM PDT THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH MONDAY EVENING. GUSTY WINDS ARE EXPECTED AGAIN TOMORROW AFTERNOON AND EVENING ALONG THE SIERRA FRONT...ALTHOUGH THEY WILL NOT BE QUITE AS STRONG AS TODAY. SOUTHWEST WINDS WILL INCREASE TO 10 TO 20 MPH WITH WIND GUSTS OF 30 TO 35 MPH POSSIBLE BEGINNING AROUND 1 PM. RELATIVE HUMIDITIES WILL AGAIN LOWER TO 8 TO 16 PERCENT BY EARLY TOMORROW AFTERNOON CREATING ANOTHER DAY OF POTENTIALLY HAZARDOUS FIRE WEATHER CONDITIONS. A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. LISTEN FOR LATER FORECASTS AND POSSIBLE RED FLAG WARNINGS. $$ CAZ273-200300- /O.EXP.KREV.FW.W.0023.000000T0000Z-070820T0200Z/ MONO-EASTERN ALPINE COUNTIES- 658 PM PDT SUN AUG 19 2007 ...RED FLAG WARNING WILL EXPIRE AT 7 PM PDT THIS EVENING... THE RED FLAG WARNING WILL EXPIRE AT 7 PM PDT THIS EVENING. WINDS THIS EVENING HAVE DECREASED TO WEST 10 TO 15 MPH WITH GUSTS TO 25 MPH...THEREFORE THE RED FLAG WARNING WILL EXPIRE AT 7 PM. $$ CAZ272-200300- /O.EXP.KREV.FW.W.0023.000000T0000Z-070820T0200Z/ GREATER LAKE TAHOE AREA- 658 PM PDT SUN AUG 19 2007 ...RED FLAG WARNING WILL EXPIRE AT 7 PM PDT THIS EVENING... THE RED FLAG WARNING WILL EXPIRE AT 7 PM PDT THIS EVENING. WINDS THIS EVENING HAVE DECREASED TO SOUTHWEST 10 TO 15 MPH WITH SCATTERED GUSTS OF 20 TO 25 MPH...THEREFORE THE RED FLAG WARNING WILL EXPIRE AT 7 PM. $$ NVZ453-459-200300- /O.EXP.KREV.FW.W.0023.000000T0000Z-070820T0200Z/ WEST CENTRAL NEVADA BASIN AND RANGE- MINERAL AND SOUTHERN LYON COUNTIES- 658 PM PDT SUN AUG 19 2007 ...RED FLAG WARNING WILL EXPIRE AT 7 PM PDT THIS EVENING... THE RED FLAG WARNING WILL EXPIRE AT 7 PM PDT THIS EVENING. WINDS THIS EVENING HAVE DECREASED TO WEST 10 TO 15 MPH WITH GUSTS TO AROUND 25 MPH...THEREFORE THE RED FLAG WARNING WILL EXPIRE AT 7 PM. $$ HTTP://WEATHER.GOV/RENO/FIRE
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 Reno, NV wrote its last area forecast discussion before this red flag warning went out at Aug 18, 2:43 PM PDT, 1 hour 8 minutes earlier.
Area forecast discussion, Aug 18, 2:43 PM PDT, 1 hour 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
243 PM PDT SAT AUG 18 2007
.SHORT TERM...
WINDS WERE PICKING UP OVER THE CWA THIS AFTERNOON AHEAD OF A
VIGOROUS UPPER TROUGH/SHORT WAVE AND ASSOCIATED FRONTAL SYSTEM ALONG
THE WEST COAST. GUSTS BETWEEN 20 AND 25 MPH WERE BEING REPORTED IN
MOST AREAS...WITH GUSTS OF 30 MPH OR HIGHER IN THE MORE WIND PRONE
AREAS SUCH AS GALENA...BRIDGEPORT...AND AT REMOTE WEATHER STATIONS
NEAR THE OREGON BORDER.
TIGHTER PRESSURE GRADIENTS DUE TO THE APPROACHING SYSTEM WILL
BRING INCREASING WINDS THROUGH THE AFTERNOON AND EVENING BUT WINDS
SHOULD DECOUPLE OVER VALLEY LOCATIONS OVERNIGHT. STRONG GUSTS ARE
EXPECTED AGAIN ON SUNDAY OVER THE SOUTHERN HALF OF THE CWA AS THE
FRONT TRIES TO PUSH THROUGH. WINDS WILL BE LIGHTER NORTH OF I-80
AS THE TROUGH PULLS AWAY. THE STRONGEST H7 WINDS OCCUR TONIGHT AND
EARLY SUNDAY AS SPEEDS REACH 50 KNOTS...MAINLY NORTH OF INTERSTATE
80. RIDGE TOP WINDS WILL GUST OVER 60 MPH ALONG THE SIERRA.
THE WINDS AND LOW HUMIDITIES CONTINUE TO CREATE CRITICAL FIRE
WEATHER CONDITIONS. SEE THE FIRE WEATHER SECTION BELOW FOR MORE
DETAIL.
LOWS FRIDAY NIGHT IN RENO WERE THE COOLEST RECORDED SINCE EARLY
JUNE. TEMPS NEAR FREEZING WERE REPORTED IN SOME OF THE COLDER
VALLEY LOCATIONS OF EASTERN CA...INCLUDING PORTOLA (32 DEG) AND
TRUCKEE (34 DEGREES). LOW TEMPERATURES SHOULD REBOUND TONIGHT AS
WINDS HELP KEEP THE AIRMASS MIXED. THERE WILL ALSO BE SOME CLOUD
COVER OVER NORTHERN ZONES TO HELP HOLD THE HEAT IN. EXPECT 5 DEG
WARMER TEMPS IN THE SOUTHERN ZONES AND 5-10 DEG WARMER ACROSS
LASSEN AND NORTHERN WASHOE COUNTIES.
DAYTIME HIGHS WILL DIP TO SEASONABLE READINGS SUNDAY THEN BEGIN
TO WARM MONDAY AND TUESDAY AS THE TROUGH EXITS AND HIGH PRESSURE
REBUILDS. MOST AREAS WILL ONCE AGAIN BE SEVERAL DEGREES ABOVE
NORMAL BY MID WEEK. RC
.LONG TERM...WEDNESDAY THROUGH SATURDAY...
WITH A RIDGE OF HIGH PRESSURE ACROSS THE SRN CONUS GENERALLY ZONAL
FLOW WILL CONTINUE ACROSS THE NRN TIER WEDNESDAY THROUGH FRIDAY.
THIS WILL KEEP A DRY WLY FLOW OVER THE KREV CWFA. A QUICK MOVING
SHORTWAVE IS PROGGED TO MOVE ACROSS THE WRN GREAT BASIN ON WED. THE
MAIN EFFECT FROM THIS WILL BE A SLIGHT INCREASE TO SCT CLOUD COVER
OVER THE ERN ZONES. WLY FLOW WILL DOMINATE ON THURSDAY AND FRIDAY.
ON SATURDAY THE PATTERN AMPLIFIES AS AN UPPER LOW MOVES SOUTH ALONG
THE BRITISH COLUMBIA COAST. THIS WILL CAUSE THE UPPER FLOW TO BACK
TO A MORE SWLY DIRECTION. AS THIS HAPPENS THE MODELS SHOW MOISTURE
FROM THE REMNANTS OF HURRICANE DEAN BEING PULLED FROM MEXICO INTO
ARIZONA ON SATURDAY. THIS MOISTURE COULD REACH AS FAR NORTH AS THE
KREV SRN ZONES. THIS SCENARIO WILL CONTINUE TO BE MONITORED. WILL
KEEP SATURDAY DRY BUT WITH THIS POSSIBLE INCREASE IN MOISTURE AND
WAA ISOLD TSTMS MAY NEED TO BE ADDED TO THE FCST. OHARA
&&
.AVIATION...
VFR CONDITIONS WILL CONTINUE THROUGH SUNDAY. WIND SPEEDS WILL
BECOME A CONCERN TO PILOTS AS WINDS INCREASE THIS AFTN AND EVENING
ACROSS THE ERN SIERRA AND WRN NV. WIND GUSTS TO 30 KTS ARE POSSIBLE
FROM 20Z TO 04Z THIS EVENING. STRONG WINDS WILL CONTINUE OVERNIGHT.
WINDS AT 700 MB WILL INCREASE OVERNIGHT WITH WIND SPEEDS OF 40 TO 50
KTS OVER THE NRN SIERRA AND NWRN NEVADA BETWEEN 09Z AND 18Z SUNDAY.
THIS WILL CAUSE WIND SPEED SHEAR BETWEEN THE SFC AND 700 MB SO WILL
CONTINUE WITH MENTION OF LLVL WIND SHEAR IN TAFS. OHARA
&&
.FIRE WEATHER...
STRONG SHORTWAVE FOR THIS TIME OF YEAR WILL MOVE INTO THE PACNW
AND ACROSS NRN CA/NRN NV TONIGHT AND EARLY SUNDAY MORNING. DURING
THE DAY SUNDAY THE SHORTWAVE MOVES QUICKLY EAST INTO IDAHO WHILE
BRUSHING ACROSS NRN NV. THE SHORTWAVE PUSHES A WEAK COLD FRONT
ACROSS NRN CA AND NORTHERN NV WHICH WILL EXTEND FROM AROUND ELKO
TO PYRAMID LAKE/RENO AREA BY TOMORROW AFTERNOON.
MODELS INDICATE A STRONG SPEED MAX AHEAD OF THIS SHORTWAVE TONIGHT
FROM TAHOE NORTH WITH 700MB WINDS OF 45-50KT THROUGH 12Z SUNDAY.
THIS WILL ALLOW GOOD MIXING MOST AREAS WITH WARMER OVERNIGHT
TEMPERATURES IN THE VALLEYS AND STRONG RIDGETOP WINDS IN THE SIERRA
OF UP TO 70-80 MPH THROUGH THE NIGHT. THEREFORE LEFT THE CURRENT RED
FLAG AS IS...KEEPING GUSTY WINDS ALONG THE SIERRA FRONT AND
MODOC/EASTERN LASSEN UNTIL MIDNIGHT WITH WINDS DECREASING EARLIER IN
THE TAHOE BASIN AND WESTERN LASSEN. THE EVENING SHIFT WILL HAVE TO
MONITOR THE TIMING ON THE RED FLAG.
FOR TOMORROW WINDS LOOK AS STRONG OR STRONGER THAN TODAY AS E-W
FRONT HANGS UP ACROSS NORTHERN NEVADA. NAM WIND GUIDANCE IS MUCH
STRONGER ACROSS THE BOARD THAN THE GFS SO BOOSTED GUSTS SOME FOR
BOTH THIS EVENING AND TOMORROW. OTHER ITEM OF NOTE IS THAT IT LOOKS
LIKE WINDS WILL KICK IN EARLY SUNDAY AND DROP OFF QUICKLY BY LATE
AFTERNOON OR EARLY EVENING. UPGRADED THE WATCH FROM INTERSTATE-80 TO
A RED FLAG AND ALSO ADDED THE TAHOE BASIN. ALTHOUGH RH VALUES WILL
INCREASE THERE THEY WILL STILL BE BELOW 20 PERCENT FOR MOST OF THE
DAY. THE MAV GUIDANCE IS THE SAME OR HIGHER FOR TAHOE LOCATIONS
TOMORROW WHILE THE MET IS STRONGER SO COULD NOT SEE HAVING A RED
FLAG THAT AREA TODAY AND NOT SUNDAY.
EXTREMELY DRY AIRMASS WILL REMAIN IN PLACE TONIGHT WITH VERY POOR
OVERNIGHT RECOVERIES AGAIN. SUNDAY EXPECT SOME INCREASE IN RH VALUES
ACROSS LASSEN AND NORTHERN WASHOE COUNTIES. NORTHERN WASHOE MAY COME
CLOSE TO RED FLAG TOMORROW BUT THINK THAT WINDS WILL DECREASE MORE
QUICKLY THERE...BY EARLY AFTERNOON...SO LEFT THEM OUT OF THE RFW.
JAH
&&
.REV WATCHES/WARNINGS/ADVISORIES...
NV...RED FLAG WARNING UNTIL MIDNIGHT PDT TONIGHT FOR NVZ450-458.
RED FLAG WARNING FROM 9 AM TO 7 PM PDT SUNDAY FOR NVZ450-453-459.
LAKE WIND ADVISORY UNTIL 9 PM PDT THIS EVENING FOR NVZ002-004.
LAKE WIND ADVISORY FROM 9 AM TO 7 PM PDT SUNDAY FOR
NVZ001-002-004.
CA...RED FLAG WARNING UNTIL 9 PM PDT THIS EVENING FOR CAZ271-272.
RED FLAG WARNING UNTIL MIDNIGHT PDT TONIGHT FOR CAZ270-273-278.
RED FLAG WARNING FROM 9 AM TO 7 PM PDT SUNDAY FOR CAZ272-273.
LAKE WIND ADVISORY UNTIL 9 PM PDT THIS EVENING FOR
CAZ071>073.
LAKE WIND ADVISORY FROM 9 AM TO 7 PM PDT SUNDAY FOR CAZ072-073.
&&
HTTP://WEATHER.GOV/RENOThe office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 6:45 AM PDT | Fire Weather Watch | REV | 9 hr | |
| Aug 18, 3:47 PM PDT | Lake Wind Advisory | REV | Churchill, Douglas, Lyon, Mineral, Pershing, Washoe | 27 hr |
Nearby
Red Flag Warnings in California, 2007Red Flag Warnings in Nevada, 2007Every red flag warning in 2007
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.