Alert archive / Arizona / Red Flag Warnings in 2016
Red Flag Warning 4, NWS Phoenix, AZ
NWS Phoenix, AZ issued this red flag warning at Apr 24, 2016, 1:35 PM MST for 5 counties in Arizona; Imperial County, Riverside County, California. It took effect at Apr 25, 2016, 1:00 PM MST. It was in force for 7 hr. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 24, 2016, 1:35 PM MST (20:35 UTC)
- In effect from
- Apr 25, 2016, 1:00 PM MST
- Expired
- Apr 25, 2016, 8:00 PM MST
- In force
- 7 hr
- Issued by
- NWS Phoenix, AZ
Counties Gila County, AZ, 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), 149 km from the middle of the area, began a volume at 20:35 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 25, 4:16 PM MST | NON-TSTM WND GST 42 | 5 Sse Home Gardens, CA | MESONET STATION LAKE MATHEWS /MHEC1/ |
| Apr 25, 4:43 PM MST | NON-TSTM WND GST 44 | 8 Wnw Lake Elsinore, CA | MESONET STATION HORSETHIEF CANYON /D3973/ |
| Apr 25, 4:58 PM MST | NON-TSTM WND GST 39 | 7 Nw Lake Elsinore, CA | MESONET STATION 7 WNW LAKE ELSINORE /C7445/ |
| Apr 25, 6:20 PM MST | NON-TSTM WND GST 51 | 2 E Palm Springs, CA | ASOS STATION PALM SPRINGS AIRPORT /PSP/ |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 8.6 hours before the alert went out and 258 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
- 2333 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- -32 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
534 WWUS85 KPSR 242035 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 135 PM MST SUN APR 24 2016 AZZ131>133-CAZ231-250845- /O.UPG.KPSR.FW.A.0003.160425T2100Z-160426T0300Z/ /O.NEW.KPSR.FW.W.0004.160425T2000Z-160426T0300Z/ 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- ARIZONA FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- 135 PM MST SUN APR 24 2016 /135 PM PDT SUN APR 24 2016/ ...RED FLAG WARNING IN EFFECT FROM 2 PM MST /2 PM PDT/ TO 8 PM MST /8 PM PDT/ MONDAY FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH TO VERY HIGH FIRE DANGER FOR SOUTHWEST AND SOUTH-CENTRAL ARIZONA AND THE LOWER COLORADO RIVER VALLEY... THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A RED FLAG WARNING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH TO VERY HIGH FIRE DANGER...WHICH IS IN EFFECT FROM 1 PM MST /1 PM PDT/ TO 8 PM MST /8 PM PDT/ MONDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...IN ARIZONA...YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ...SOUTH-CENTRAL AND SOUTHWEST DESERTS AND SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS. IN CALIFORNIA...LOWER COLORADO RIVER VALLEY CA. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING...MID AFTERNOON MONDAY THROUGH MONDAY EVENING. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * IMPACTS...FUELS ARE DRY AND FIRE DANGER IS HIGH TO 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. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX
3 follow-up statements
648 WWUS85 KPSR 242239 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 339 PM MST SUN APR 24 2016 AZZ131>133-CAZ231-251200- /O.CON.KPSR.FW.W.0004.160425T2000Z-160426T0300Z/ ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ- ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS- ARIZONA FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- 339 PM MST SUN APR 24 2016 /339 PM PDT SUN APR 24 2016/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 2 PM MST /2 PM PDT/ TO 8 PM MST /8 PM PDT/ MONDAY FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH TO VERY HIGH FIRE DANGER FOR SOUTHWEST AND SOUTH-CENTRAL ARIZONA AND THE LOWER COLORADO RIVER VALLEY... * AFFECTED AREA...IN ARIZONA...YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ...SOUTH-CENTRAL AND SOUTHWEST DESERTS AND SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS. IN CALIFORNIA...LOWER COLORADO RIVER VALLEY CA. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING...MID AFTERNOON MONDAY THROUGH MONDAY EVENING. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * IMPACTS...FUELS ARE DRY AND FIRE DANGER IS HIGH TO VERY HIGH. THESE CONDITIONS...COMBINED WITH LOW RELATIVE HUMIDITY AND STRONG WINDS WILL LEAD TO WIDESPREAD HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX
161 WWUS85 KPSR 251007 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 307 AM MST MON APR 25 2016 AZZ131>133-CAZ231-260300- /O.CON.KPSR.FW.W.0004.160425T2000Z-160426T0300Z/ 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- ARIZONA FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- 307 AM MST MON APR 25 2016 /307 AM PDT MON APR 25 2016/ ...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM MST /1 PM PDT/ THIS AFTERNOON TO 8 PM MST /8 PM PDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH TO VERY HIGH FIRE DANGER FOR SOUTHWEST AND SOUTH-CENTRAL ARIZONA AND THE LOWER COLORADO RIVER VALLEY... * AFFECTED AREA...IN ARIZONA...YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ...SOUTH-CENTRAL AND SOUTHWEST DESERTS AND SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS. IN CALIFORNIA...LOWER COLORADO RIVER VALLEY CA. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING...EARLY AFTERNOON THROUGH MID EVENING TODAY. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT. * IMPACTS...FUELS ARE DRY AND FIRE DANGER IS HIGH TO 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. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX
599 WWUS85 KPSR 252114 RFWPSR URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE PHOENIX AZ 214 PM MST MON APR 25 2016 AZZ131>133-CAZ231-260300- /O.CON.KPSR.FW.W.0004.000000T0000Z-160426T0300Z/ ARIZONA FIRE WEATHER ZONE 131 YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ- ARIZONA FIRE WEATHER ZONE 132 SOUTH-CENTRAL AND SOUTHWEST DESERTS- ARIZONA FIRE WEATHER ZONE 133 SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS- CALIFORNIA FIRE WEATHER ZONE 231 LOWER COLORADO RIVER VALLEY CA- 214 PM MST MON APR 25 2016 /214 PM PDT MON APR 25 2016/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST /8 PM PDT/ THIS EVENING FOR STRONG WINDS...LOW RELATIVE HUMIDITY AND HIGH TO VERY HIGH FIRE DANGER FOR SOUTHWEST AND SOUTH-CENTRAL ARIZONA AND THE LOWER COLORADO RIVER VALLEY... * AFFECTED AREA...IN ARIZONA...YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ...SOUTH-CENTRAL AND SOUTHWEST DESERTS AND SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS. IN CALIFORNIA...LOWER COLORADO RIVER VALLEY CA. * WINDS...WEST 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. * TIMING...EARLY AFTERNOON THROUGH MID EVENING TODAY. * RELATIVE HUMIDITY...AS LOW AS 5 PERCENT. * IMPACTS...FUELS ARE DRY AND FIRE DANGER IS HIGH TO VERY HIGH. THESE CONDITIONS...COMBINED WITH LOW RELATIVE HUMIDITY AND STRONG WINDS WILL LEAD TO WIDESPREAD HAZARDOUS FIRE WEATHER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 2:34 AM MST | Fire Weather Watch | PSR | Gila, La Paz, Maricopa, Pinal, Yuma | 11 hr |
| Apr 24, 3:52 AM MST | Wind Advisory | PSR | 41 hr |
Nearby
Red Flag Warnings in Arizona, 2016Red Flag Warnings in California, 2016Every red flag warning in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.