Alert archive / Arizona / Red Flag Warnings in 2012
Red Flag Warning 5, NWS Phoenix, AZ
NWS Phoenix, AZ issued this red flag warning at Apr 1, 2012, 1:34 PM MST for 4 counties in Arizona; Imperial County, Riverside County, California. It took effect at Apr 2, 2012, 10:00 AM MST. 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
- Apr 1, 2012, 1:34 PM MST (20:34 UTC)
- In effect from
- Apr 2, 2012, 10:00 AM MST
- Expired
- Apr 2, 2012, 8:00 PM MST
- In force
- 10 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
The radar
The Yuma radar (KYUX), 113 km from the middle of the area, began a volume at 20:37 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 text
As transmitted, in the capitals the NWS used until 2016.
207 WWUS85 KPSR 012034 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 134 PM MST SUN APR 1 2012 AZZ131-132-CAZ231-021400- /O.UPG.KPSR.FW.A.0004.120402T1700Z-120403T0300Z/ /O.NEW.KPSR.FW.W.0005.120402T1700Z-120403T0300Z/ 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- 134 PM MST SUN APR 1 2012 /134 PM PDT SUN APR 1 2012/ ...RED FLAG WARNING IN EFFECT FROM 10 AM MST /10 AM PDT/ TO 8 PM MST /8 PM PDT/ MONDAY FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND VERY HIGH FIRE DANGER FOR THE LOWER COLORADO RIVER VALLEY AND SOUTHWEST ARIZONA... THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A RED FLAG WARNING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND VERY HIGH FIRE DANGER...WHICH IS IN EFFECT FROM 10 AM MST /10 AM PDT/ TO 8 PM MST /8 PM PDT/ MONDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...THE LOWER COLORADO RIVER VALLEY INCLUDING WESTERN PORTIONS OF LA PAZ AND YUMA COUNTIES. * WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS UP TO 50 MPH. * TIMING...WINDS WILL INCREASE DURING THE MID MORNING HOURS...PEAKING BY LATE MORNING AND CONTINUING INTO THE EARLY EVENING HOURS. CONDITIONS WILL IMPROVE AS WINDS SUBSIDE AND MOISTURE INCREASES DURING THE LATE EVENING. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT DURING THE LATE AFTERNOON. * IMPACTS...FUELS ARE DRY AND FIRE DANGER IS VERY HIGH. THESE CONDITIONS... COMBINED WITH LOW RELATIVE HUMIDITY AND STRONG WINDS WILL LEAD TO WIDESPREAD HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX
3 follow-up statements
919 WWUS85 KPSR 020920 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 220 AM MST MON APR 2 2012 AZZ131-132-CAZ231-030300- /O.CON.KPSR.FW.W.0005.120402T1700Z-120403T0300Z/ ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ- ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- 220 AM MST MON APR 2 2012 /220 AM PDT MON APR 2 2012/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/ THIS MORNING TO 8 PM MST /8 PM PDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND VERY HIGH FIRE DANGER FOR THE LOWER COLORADO RIVER VALLEY AND SOUTHWEST ARIZONA... A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/ THIS MORNING TO 8 PM MST /8 PM PDT/ THIS EVENING. * AFFECTED AREA...THE LOWER COLORADO RIVER VALLEY INCLUDING WESTERN PORTIONS OF LA PAZ AND YUMA COUNTIES. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * TIMING...WINDS WILL INCREASE DURING THE MID MORNING HOURS... PEAKING BY LATE MORNING AND CONTINUING INTO THE EARLY EVENING HOURS. CONDITIONS WILL IMPROVE AS WINDS SUBSIDE AND MOISTURE INCREASES DURING THE LATE EVENING. * RELATIVE HUMIDITY...AS LOW AS 8 PERCENT. * IMPACTS...FUELS ARE DRY AND FIRE DANGER IS VERY HIGH. THESE CONDITIONS... COMBINED WITH LOW RELATIVE HUMIDITY AND STRONG WINDS WILL LEAD TO WIDESPREAD HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX
021 WWUS85 KPSR 022209 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 309 PM MST MON APR 2 2012 AZZ131-132-CAZ231-030300- /O.CON.KPSR.FW.W.0005.000000T0000Z-120403T0300Z/ 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- 309 PM MST MON APR 2 2012 /309 PM PDT MON APR 2 2012/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND VERY HIGH FIRE DANGER FOR THE LOWER COLORADO RIVER VALLEY AND SOUTHWEST ARIZONA... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/ THIS EVENING. * AFFECTED AREA...THE LOWER COLORADO RIVER VALLEY INCLUDING WESTERN PORTIONS OF LA PAZ AND YUMA COUNTIES. * WINDS...NORTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * TIMING...GUSTY NORTH TO NORTHWEST WINDS WILL CONTINUE INTO THE EARLY EVENING HOURS. CONDITIONS WILL IMPROVE AS WINDS SUBSIDE DURING THE LATE EVENING. * RELATIVE HUMIDITY...AS LOW AS 7 PERCENT. HUMIDITIES WILL REMAIN LOW OVERNIGHT...ATTEMPTING TO RECOVER TO NEAR 20 PERCENT BY EARLY TUESDAY MORNING. * IMPACTS...FUELS ARE DRY AND FIRE DANGER IS VERY HIGH. THESE CONDITIONS...COMBINED WITH LOW RELATIVE HUMIDITY AND STRONG WINDS WILL LEAD TO WIDESPREAD HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX
981 WWUS85 KPSR 030259 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 759 PM MST MON APR 2 2012 AZZ131-132-CAZ231-030400- /O.EXP.KPSR.FW.W.0005.000000T0000Z-120403T0300Z/ ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ- ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- 759 PM MST MON APR 2 2012 /759 PM PDT MON APR 2 2012/ ...RED FLAG WARNING WILL EXPIRE AT 8 PM MST /8 PM PDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND VERY HIGH FIRE DANGER FOR THE LOWER COLORADO RIVER VALLEY AND SOUTHWEST ARIZONA... THE RED FLAG WARNING WILL EXPIRE AT 8 PM MST /8 PM PDT/ THIS EVENING. ALTHOUGH OVERNIGHT RELATIVE HUMIDITY RECOVERIES WILL BE POOR...STRONG WINDS WERE ALREADY SUBSIDING THIS EVENING AND WIDESPREAD HAZARDOUS FIRE WEATHER CONDITIONS ARE NO LONGER EXPECTED. $$ 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 1, 4:44 AM MST | Fire Weather Watch | PSR | La Paz, Maricopa, Pinal, Yuma | 9 hr |
| Apr 1, 12:58 PM MST | Wind Advisory | PSR | 29 hr |
Nearby
Red Flag Warnings in Arizona, 2012Red Flag Warnings in California, 2012Every red flag warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.