Alert archive / Arizona / Red Flag Warnings in 2011
Red Flag Warning 4, NWS Phoenix, AZ
NWS Phoenix, AZ issued this red flag warning at Apr 28, 2011, 2:34 PM MST for 4 counties in Arizona; Imperial County, Riverside County, San Bernardino County, California. It took effect at Apr 30, 2011, 1:22 AM MST. It was in force for 18 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
- Apr 28, 2011, 2:34 PM MST (21:34 UTC)
- In effect from
- Apr 30, 2011, 1:22 AM MST
- Expired
- Apr 30, 2011, 7:00 PM MST
- In force
- 18 hr
- Issued by
- NWS Phoenix, AZ
Counties La Paz County, AZ, Maricopa County, AZ, Pinal County, AZ, Yuma County, AZ, Imperial County, CA, Riverside County, CA, San Bernardino County, CA
The radar
The Yuma radar (KYUX), 118 km from the middle of the area, began a volume at 21:33 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
Yuma Intl Airpor, AZ (KYUM), launched 12:00Z, 9.6 hours before the alert went out and 100 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
- 4339 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
376 WWUS85 KPSR 282134 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 234 PM MST THU APR 28 2011 AZZ131-132-CAZ231-232-290945- /O.UPG.KPSR.FW.A.0002.110430T1700Z-110501T0400Z/ /O.NEW.KPSR.FW.W.0004.110430T1500Z-110501T0400Z/ /O.CON.KPSR.FW.W.0003.110429T1800Z-110430T0300Z/ ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ- ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- CALIFORNIA FIRE WEATHER ZONE 232 IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY- 234 PM MST THU APR 28 2011 /234 PM PDT THU APR 28 2011/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MST/PDT TO 8 PM MST/PDT FRIDAY FOR SOUTH-CENTRAL AND SOUTHWEST ARIZONA AND MOST OF SOUTHEAST CALIFORNIA DUE TO STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... ...RED FLAG WARNING IN EFFECT FROM 8 AM MST/PDT TO 9 PM MST/PDT SATURDAY FOR THE ENTIRE AREA FROM SOUTHEAST CALIFORNIA TO SOUTHWEST AND SOUTH-CENTRAL ARIZONA EXCEPT SOUTHERN GILA COUNTY DUE TO STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A RED FLAG WARNING WHICH IS IN EFFECT FOR FRIDAY FROM 11 AM MST/PDT TO 8 PM MST/PDT AND AGAIN SATURDAY FROM 8 AM MST/PDT TO 9 PM MST/PDT DUE TO STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER. * AFFECTED AREA: IN SOUTHWEST AND SOUTH-CENTRAL ARIZONA...YUMA COUNTY AND LA PAZ COUNTY INCLUDING THE LOWER COLORADO RIVER VALLEY... MARICOPA COUNTY...NORTHWEST AND NORTH-CENTRAL PINAL COUNTY AND SOUTHERN GILA COUNTY. IN SOUTHEAST CALIFORNIA...EASTERN RIVERSIDE COUNTY AND IMPERIAL COUNTY INCLUDING THE LOWER COLORADO RIVER VALLEY. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 20 TO 25 MPH WITH GUSTS TO NEAR 40 MPH. * HUMIDITY: 5 TO 15 PERCENT. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THESE RED FLAG WARNINGS. && $$ CAZ230-290945- /O.NEW.KPSR.FW.W.0004.110430T1500Z-110501T0400Z/ /O.CON.KPSR.FW.A.0001.110429T1800Z-110430T0300Z/ CALIFORNIA FIRE WEATHER ZONE 230 JOSHUA TREE NATIONAL PARK- 234 PM PDT THU APR 28 2011 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING FOR JOSHUA TREE NATIONAL PARK DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... ...RED FLAG WARNING IN EFFECT FROM 8 AM TO 9 PM PDT SATURDAY FOR JOSHUA TREE NATIONAL PARK DUE TO STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A FIRE WEATHER WATCH WHICH IS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING AND A RED FLAG WARNING...WHICH IS IN EFFECT FROM 8 AM TO 9 PM PDT SATURDAY DUE TO STRONG GUSTY WINDS...VERY LOW HUMIDITY...AND HIGH FIRE DANGER. * AFFECTED AREA: IN SOUTHEAST CALIFORNIA...JOSHUA TREE NATIONAL PARK. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 15 TO 25 MPH WITH GUSTS TO NEAR 35 MPH FRIDAY MORNING THROUGH FRIDAY EVENING...AND FROM THE NORTHWEST AND NORTH SUSTAINED AT 20 TO 25 MPH WITH GUSTS TO NEAR 40 MPH SATURDAY FROM 8 AM TO 9 PM MST/PDT. * HUMIDITY: BELOW 15 PERCENT...MOSTLY IN THE SINGLE DIGITS. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS...ESPECIALLY SATURDAY AND SATURDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS FIRE WEATHER WATCH AND RED FLAG WARNING. && $$ AZZ133-290945- /O.CON.KPSR.FW.W.0003.110429T1800Z-110430T0300Z/ ARIZONA FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- 234 PM MST THU APR 28 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MST FRIDAY FOR SOUTHERN GILA COUNTY AND THE TONTO NATIONAL FOREST FOOTHILLS DUE TO STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A RED FLAG WARNING FRIDAY FROM 11 AM TO 8 PM MST DUE TO STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER. * AFFECTED AREA: IN SOUTH-CENTRAL ARIZONA...SOUTHERN GILA COUNTY AND THE TONTO NATIONAL FOREST FOOTHILLS. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 20 TO 25 MPH WITH GUSTS TO 35 MPH. * HUMIDITY: 5 TO 15 PERCENT. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX ELLIS
6 follow-up statements
547 WWUS85 KPSR 291224 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 524 AM MST FRI APR 29 2011 CAZ230-300030- /O.CAN.KPSR.FW.A.0001.110429T1800Z-110430T0300Z/ /O.EXT.KPSR.FW.W.0004.110430T1500Z-110501T0200Z/ CALIFORNIA FIRE WEATHER ZONE 230 JOSHUA TREE NATIONAL PARK- 524 AM PDT FRI APR 29 2011 ...RED FLAG WARNING NOW IN EFFECT FROM 8 AM TO 7 PM PDT SATURDAY DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR FIRE ZONE THE JOSHUA TREE NATIONAL PARK AREA IN CALIFORNIA... ...FIRE WEATHER WATCH IS CANCELLED DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR THE JOSHUA TREE NATIONAL PARK AREA IN CALIFORNIA... THE NATIONAL WEATHER SERVICE IN PHOENIX HAS CANCELLED THE FIRE WEATHER WATCH. THE RED FLAG WARNING IS NOW IN EFFECT FROM 8 AM TO 7 PM PDT SATURDAY. THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A FIRE WEATHER WATCH WHICH IS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY EVENING AND A RED FLAG WARNING...WHICH IS IN EFFECT FROM 8 AM TO 9 PM PDT SATURDAY DUE TO STRONG GUSTY WINDS...VERY LOW HUMIDITY... AND HIGH FIRE DANGER. * AFFECTED AREA: IN CALIFORNIA... CALIFORNIA FIRE WEATHER ZONE 230 JOSHUA TREE NATIONAL PARK. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 15 TO 25 MPH WITH GUSTS TO NEAR 35 MPH. * HUMIDITY: 5 TO 15 PERCENT. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER MAY CREATE HAZARDOUS FIRE WEATHER CONDITIONS...ESPECIALLY SATURDAY AND SATURDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ AZZ131-132-CAZ231-232-300030- /O.EXT.KPSR.FW.W.0004.110430T1500Z-110501T0200Z/ /O.CON.KPSR.FW.W.0003.110429T1800Z-110430T0300Z/ ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ- ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- CALIFORNIA FIRE WEATHER ZONE 232 IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY- 524 AM MST FRI APR 29 2011 /524 AM PDT FRI APR 29 2011/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MST /11 AM PDT/ THIS MORNING TO 8 PM MST /8 PM PDT/ THIS EVENING DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR THE SOUTHWEST AND SOUTH-CENTRAL DESERTS IN ARIZONA AND ALONG THE LOWER COLORADO RIVER VALLEY AS WELL AS IMPERIAL COUNTY IN CALIFORNIA. ...RED FLAG WARNING NOW IN EFFECT FROM 8 AM MST /8 AM PDT/ TO 7 PM MST /7 PM PDT/ SATURDAY DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR THE SOUTHWEST AND SOUTH-CENTRAL DESERTS IN ARIZONA AND ALONG THE LOWER COLORADO RIVER VALLEY AS WELL AS IMPERIAL COUNTY IN CALIFORNIA. THE RED FLAG WARNING IS NOW IN EFFECT FROM 8 AM MST /8 AM PDT/ TO 7 PM MST /7 PM PDT/ SATURDAY. THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A RED FLAG WARNING WHICH IS IN EFFECT FOR FRIDAY FROM 11 AM MST/PDT TO 8 PM MST/PDT AND AGAIN SATURDAY FROM 8 AM MST/PDT TO 9 PM MST/PDT DUE TO STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER. * AFFECTED AREA: IN ARIZONA...ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ... ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS. IN CALIFORNIA... CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA...FIRE ZONE 232 CALIFORNIA FIRE WEATHER ZONE 232 IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 20 TO 25 MPH WITH GUSTS TO NEAR 40 MPH. * HUMIDITY: 5 TO 15 PERCENT. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THESE RED FLAG WARNINGS. && $$ AZZ133-300030- /O.CON.KPSR.FW.W.0003.110429T1800Z-110430T0300Z/ ARIZONA FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- 524 AM MST FRI APR 29 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR SOUTHERN GILA COUNTY AND TONTO NATIONAL FOREST FOOTHILLS IN ARIZONA... * AFFECTED AREA: IN ARIZONA...ARIZONA FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 20 TO 25 MPH WITH GUSTS TO 35 MPH. * HUMIDITY: 5 TO 15 PERCENT. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX CDEWEY
207 WWUS85 KPSR 291311 CCA RFWPSR URGENT - FIRE WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE PHOENIX AZ 602 AM MST FRI APR 29 2011 CAZ230-300130- /O.CAN.KPSR.FW.A.0001.110429T1800Z-110430T0300Z/ /O.COR.KPSR.FW.W.0004.110430T1500Z-110501T0200Z/ CALIFORNIA FIRE WEATHER ZONE 230 JOSHUA TREE NATIONAL PARK- 602 AM PDT FRI APR 29 2011 ...RED FLAG WARNING NOW IN EFFECT FROM 8 AM TO 7 PM PDT SATURDAY DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR FIRE ZONE THE JOSHUA TREE NATIONAL PARK AREA IN CALIFORNIA... ...FIRE WEATHER WATCH FOR TODAY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN PHOENIX HAS CANCELLED THE FIRE WEATHER WATCH FOR TODAY. THE RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM TO 7 PM PDT SATURDAY DUE TO STRONG GUSTY WINDS...VERY LOW HUMIDITY... AND HIGH FIRE DANGER. * AFFECTED AREA: IN CALIFORNIA... CALIFORNIA FIRE WEATHER ZONE 230 JOSHUA TREE NATIONAL PARK. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 15 TO 25 MPH WITH GUSTS TO NEAR 35 MPH. * HUMIDITY: 5 TO 15 PERCENT. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER MAY CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ AZZ131-132-CAZ231-232-300130- /O.COR.KPSR.FW.W.0004.110430T1500Z-110501T0200Z/ /O.COR.KPSR.FW.W.0003.110429T1800Z-110430T0300Z/ ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ- ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- CALIFORNIA FIRE WEATHER ZONE 232 IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY- 602 AM MST FRI APR 29 2011 /602 AM PDT FRI APR 29 2011/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM MST /11 AM PDT/ THIS MORNING TO 8 PM MST /8 PM PDT/ THIS EVENING DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR THE SOUTHWEST AND SOUTH-CENTRAL DESERTS IN ARIZONA AND ALONG THE LOWER COLORADO RIVER VALLEY AS WELL AS IMPERIAL COUNTY IN CALIFORNIA... ...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM MST /8 AM PDT/ TO 7 PM MST /7 PM PDT/ SATURDAY DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR THE SOUTHWEST AND SOUTH-CENTRAL DESERTS IN ARIZONA AND ALONG THE LOWER COLORADO RIVER VALLEY AS WELL AS IMPERIAL COUNTY IN CALIFORNIA... THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A RED FLAG WARNING WHICH IS IN EFFECT FOR TODAY FROM 11 AM MST/PDT TO 8 PM MST/PDT AND AGAIN SATURDAY FROM 8 AM MST/PDT TO 7 PM MST/PDT DUE TO STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER. * AFFECTED AREA: IN ARIZONA...ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ... ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS. IN CALIFORNIA... CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA...FIRE ZONE 232 CALIFORNIA FIRE WEATHER ZONE 232 IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 20 TO 25 MPH WITH GUSTS TO NEAR 40 MPH. * HUMIDITY: 5 TO 15 PERCENT. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THESE RED FLAG WARNINGS. && $$ AZZ133-300130- /O.CON.KPSR.FW.W.0003.110429T1800Z-110430T0300Z/ ARIZONA FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- 602 AM MST FRI APR 29 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM MST THIS EVENING DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR SOUTHERN GILA COUNTY AND TONTO NATIONAL FOREST FOOTHILLS IN ARIZONA... * AFFECTED AREA: IN ARIZONA...ARIZONA FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 20 TO 25 MPH WITH GUSTS TO 35 MPH. * HUMIDITY: 5 TO 15 PERCENT. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX CDEWEY
769 WWUS85 KPSR 292143 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 243 PM MST FRI APR 29 2011 AZZ131-132-CAZ231-232-301300- /O.CON.KPSR.FW.W.0003.000000T0000Z-110430T0300Z/ /O.CON.KPSR.FW.W.0004.110430T1500Z-110501T0200Z/ ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ- ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- CALIFORNIA FIRE WEATHER ZONE 232 IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY- 243 PM MST FRI APR 29 2011 /243 PM PDT FRI APR 29 2011/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST/PDT THIS EVENING FOR THE DESERT AREAS OF SOUTHWEST AND SOUTH-CENTRAL ARIZONA AND SOUTHEAST CALIFORNIA DUE TO STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... ...RED FLAG WARNING REMAINS IN EFFECT FOR SATURDAY FROM 8 AM TO 7 PM MST/PDT FOR THE DESERT AREAS OF SOUTHWEST AND SOUTH-CENTRAL ARIZONA AND SOUTHEAST CALIFORNIA DUE TO STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... * AFFECTED AREA: IN ARIZONA...FIRE WEATHER ZONES 131 AND 132...YUMA COUNTY AND LA PAZ COUNTY INCLUDING YUMA AND THE LOWER COLORADO RIVER VALLEY...MARICOPA COUNTY...AND NORTHWEST AND NORTH-CENTRAL PINAL COUNTY. IN CALIFORNIA...FIRE WEATHER ZONES 231 AND 232... EASTERN RIVERSIDE COUNTY AND IMPERIAL COUNTY INCLUDING THE LOWER COLORADO RIVER VALLEY. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 20 TO 30 MPH WITH GUSTS BETWEEN 35 AND 45 MPH. * HUMIDITY: BELOW 15 PERCENT...MOSTLY IN THE SINGLE DIGITS. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THESE RED FLAG WARNINGS. && $$ AZZ133-300300- /O.CON.KPSR.FW.W.0003.000000T0000Z-110430T0300Z/ ARIZONA FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- 243 PM MST FRI APR 29 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR SOUTHERN GILA COUNTY AND TONTO NATIONAL FOREST FOOTHILLS IN ARIZONA DUE TO STRONG GUSTY WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... * AFFECTED AREA: IN ARIZONA...FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY AND THE TONTO NATIONAL FOREST FOOTHILLS. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 20 TO 25 MPH WITH GUSTS TO 35 MPH. * HUMIDITY: BELOW 15 PERCENT...MOSTLY IN THE SINGLE DIGITS. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ CAZ230-301300- /O.CON.KPSR.FW.W.0004.110430T1500Z-110501T0200Z/ CALIFORNIA FIRE WEATHER ZONE 230 JOSHUA TREE NATIONAL PARK- 243 PM PDT FRI APR 29 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM TO 7 PM PDT SATURDAY FOR JOSHUA TREE NATIONAL PARK DUE TO STRONG GUSTY WINDS... LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... * AFFECTED AREA: IN CALIFORNIA...FIRE WEATHER ZONE 230 JOSHUA TREE NATIONAL PARK. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 20 TO 30 MPH WITH GUSTS BETWEEN 35 AND 45 MPH. * HUMIDITY: BELOW 15 PERCENT...MOSTLY IN THE SINGLE DIGITS. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER MAY CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX ELLIS
868 WWUS85 KPSR 292204 CCA RFWPSR URGENT - FIRE WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE PHOENIX AZ 303 PM MST FRI APR 29 2011 AZZ131-132-CAZ231-232-301345- /O.COR.KPSR.FW.W.0003.000000T0000Z-110430T0300Z/ /O.COR.KPSR.FW.W.0004.110430T1500Z-110501T0200Z/ ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ- ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- CALIFORNIA FIRE WEATHER ZONE 232 IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY- 303 PM MST FRI APR 29 2011 /303 PM PDT FRI APR 29 2011/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST/PDT THIS EVENING FOR THE DESERT AREAS OF SOUTHWEST AND SOUTH-CENTRAL ARIZONA AND SOUTHEAST CALIFORNIA DUE TO STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... ...RED FLAG WARNING REMAINS IN EFFECT FOR SATURDAY FROM 8 AM TO 7 PM MST/PDT FOR THE DESERT AREAS OF SOUTHWEST AND SOUTH-CENTRAL ARIZONA AND SOUTHEAST CALIFORNIA DUE TO STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... * AFFECTED AREA: IN ARIZONA...FIRE WEATHER ZONES 131 AND 132...YUMA COUNTY AND LA PAZ COUNTY INCLUDING YUMA AND THE LOWER COLORADO RIVER VALLEY...MARICOPA COUNTY...AND NORTHWEST AND NORTH-CENTRAL PINAL COUNTY. IN CALIFORNIA...FIRE WEATHER ZONES 231 AND 232... EASTERN RIVERSIDE COUNTY AND IMPERIAL COUNTY INCLUDING THE LOWER COLORADO RIVER VALLEY. * WIND: FROM THE WEST AND NORTH SUSTAINED AT 20 TO 30 MPH WITH GUSTS BETWEEN 35 AND 45 MPH. * HUMIDITY: BELOW 15 PERCENT...MOSTLY IN THE SINGLE DIGITS. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THESE RED FLAG WARNINGS. && $$ AZZ133-300300- /O.CON.KPSR.FW.W.0003.000000T0000Z-110430T0300Z/ ARIZONA FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- 303 PM MST FRI APR 29 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR SOUTHERN GILA COUNTY AND TONTO NATIONAL FOREST FOOTHILLS IN ARIZONA DUE TO STRONG GUSTY WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... * AFFECTED AREA: IN ARIZONA...FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY AND THE TONTO NATIONAL FOREST FOOTHILLS. * WIND: FROM THE SOUTHWEST AND WEST SUSTAINED AT 20 TO 25 MPH WITH GUSTS TO 35 MPH. * HUMIDITY: BELOW 15 PERCENT...MOSTLY IN THE SINGLE DIGITS. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ CAZ230-301345- /O.COR.KPSR.FW.W.0004.110430T1500Z-110501T0200Z/ CALIFORNIA FIRE WEATHER ZONE 230 JOSHUA TREE NATIONAL PARK- 303 PM PDT FRI APR 29 2011 ...RED FLAG WARNING REMAINS IN EFFECT FROM 8 AM TO 7 PM PDT SATURDAY FOR JOSHUA TREE NATIONAL PARK DUE TO STRONG GUSTY WINDS... LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER... * AFFECTED AREA: IN CALIFORNIA...FIRE WEATHER ZONE 230 JOSHUA TREE NATIONAL PARK. * WIND: FROM THE NORTHWEST AND NORTH SUSTAINED AT 20 TO 30 MPH WITH GUSTS BETWEEN 35 AND 45 MPH. * HUMIDITY: BELOW 15 PERCENT...MOSTLY IN THE SINGLE DIGITS. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER MAY CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX ELLIS
762 WWUS85 KPSR 300822 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 122 AM MST SAT APR 30 2011 AZZ131-132-CAZ230>232-302030- /O.EXT.KPSR.FW.W.0004.110430T0822Z-110501T0200Z/ ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ- ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS- CALIFORNIA FIRE WEATHER ZONE 230 JOSHUA TREE NATIONAL PARK- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- CALIFORNIA FIRE WEATHER ZONE 232 IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY- 122 AM MST SAT APR 30 2011 /122 AM PDT SAT APR 30 2011/ ...RED FLAG WARNING NOW IN EFFECT UNTIL 7 PM MST /7 PM PDT/ THIS EVENING DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER FOR FIRE ZONES 131...132...230...231 AND 232... STRONG WINDS AND DRY AIR ARE QUICKLY SPREADING INTO SOUTHEAST CALIFORNIA AND SOUTHWEST ARIZONA. THERE FORE...THE RED FLAG WARNING IS IN EFFECT FROM NOW UNTIL 7 PM MST /7 PM PDT/ THIS EVENING. * AFFECTED AREA: IN ARIZONA...FIRE ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ...FIRE ZONE 132 SOUTH- CENTRAL AND SOUTHWEST DESERTS. IN CALIFORNIA...FIRE ZONE 230 JOSHUA TREE NATIONAL PARK...FIRE ZONE 231 LOWER COLORADO RIVER VALLEY CA...FIRE ZONE 232 IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY. * WIND: FROM THE WEST AND NORTH SUSTAINED AT 20 TO 30 MPH WITH GUSTS BETWEEN 35 AND 50 MPH. * HUMIDITY: FROM 5 TO 10 PERCENT...WITH ISOLATED AREAS EVEN LOWER. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THESE RED FLAG WARNINGS. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX
212 WWUS85 KPSR 302013 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 113 PM MST SAT APR 30 2011 AZZ131-132-CAZ230>232-010200- /O.CON.KPSR.FW.W.0004.000000T0000Z-110501T0200Z/ ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ- ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS- CALIFORNIA FIRE WEATHER ZONE 230 JOSHUA TREE NATIONAL PARK- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- CALIFORNIA FIRE WEATHER ZONE 232 IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY- 113 PM MST SAT APR 30 2011 /113 PM PDT SAT APR 30 2011/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST /7 PM PDT/ THIS EVENING FOR THE DESERTS OF SOUTHWEST AND SOUTH-CENTRAL ARIZONA AND FAR SOUTHEAST CALIFORNIA DUE TO STRONG WINDS...LOW RELATIVE HUMIDITY...AND HIGH FIRE DANGER... * AFFECTED AREA: IN ARIZONA...FIRE ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ...FIRE ZONE 132 SOUTH- CENTRAL AND SOUTHWEST DESERTS INCLUDING YUMA...LA PAZ...MARICOPA AND NORTHWEST PINAL COUNTIES. IN CALIFORNIA...FIRE ZONE 230 JOSHUA TREE NATIONAL PARK...FIRE ZONE 231 LOWER COLORADO RIVER VALLEY CA...FIRE ZONE 232 IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY. * WIND: FROM THE WEST AND NORTH SUSTAINED AT 15 TO 25 MPH WITH GUSTS BETWEEN 35 AND 40 MPH. * HUMIDITY: FROM 5 TO 10 PERCENT...WITH ISOLATED AREAS EVEN LOWER. * IMPACTS: THE COMBINATION OF STRONG GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER WILL CREATE HAZARDOUS FIRE WEATHER CONDITIONS. IN ARIZONA...CRITICAL THRESHOLDS ARE MORE LIKELY TO BE REACHED IN YUMA AND LA PAZ COUNTIES THAN IN MARICOPA AND NORTHWEST PINAL. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THESE RED FLAG WARNINGS. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 4:56 AM MST | Fire Weather Watch | PSR | La Paz, Maricopa, Pinal, Yuma | 10 hr |
| Apr 28, 4:56 AM MST | Red Flag Warning | PSR | Gila, La Paz, Maricopa, Pinal, Yuma | 39 hr |
Nearby
Red Flag Warnings in Arizona, 2011Red Flag Warnings in California, 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.