Alert archive / California / Red Flag Warnings in 2006
Red Flag Warning 11, NWS Phoenix, AZ
NWS Phoenix, AZ issued this red flag warning at Jun 12, 2006, 2:52 PM MST for La Paz County, Yuma County, Arizona; Imperial County, Riverside County, San Bernardino County, California. It took effect at Jun 13, 2006, 1:00 PM MST. It was in force for 8 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
- Jun 12, 2006, 2:52 PM MST (21:52 UTC)
- In effect from
- Jun 13, 2006, 1:00 PM MST
- Expired
- Jun 13, 2006, 9:00 PM MST
- In force
- 8 hr
- Issued by
- NWS Phoenix, AZ
Counties La Paz County, AZ, Yuma County, AZ, Imperial County, CA, Riverside County, CA, San Bernardino County, CA
The radar
The Yuma radar (KYUX), 132 km from the middle of the area, began a volume at 21:49 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
San Diego, CA (KNKX), launched 12:00Z, 9.9 hours before the alert went out and 217 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
- 1 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 739 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Phoenix, AZ wrote its last area forecast discussion before this red flag warning went out at Jun 11, 9:05 PM MST, 17 hours 47 minutes earlier.
Area forecast discussion, Jun 11, 9:05 PM MST, 17 hours 47 minutes before
AZZ020>028-CAZ030>033-121200- AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 905 PM MST SUN JUN 11 2006 SOUTHWEST AND SOUTH-CENTRAL ARIZONA...AND SOUTHEAST CALIFORNIA FORECAST DISCUSSION .SYNOPSIS... HIGH PRESSURE ALOFT WILL GIVE CLEAR SKIES AND WARMER TEMPERATURES THROUGH THE MIDDLE OF THE WEEK...WITH HOTTEST SOUTH-CENTRAL DESERTS EXPECTED TO SURPASS THE 110 DEGREE MARK TUESDAY AND WEDNESDAY. A LOW PRESSURE SYSTEM OFF THE CALIFORNIA COAST WILL GRADUALLY PUSH INTO THE GREAT BASIN REGION TUESDAY AND WEDNESDAY. THIS WILL EVENTUALLY RESULT IN LOWER DAYTIME TEMPERATURES BY THE END OF THE WEEK. IN ADDITION...AS THE UPPER LOW PUSHES INLAND...WINDS WILL INCREASE MONDAY AND TUESDAY...ESPECIALLY ACROSS SOUTHEAST CALIFORNIA AND FAR SOUTHWEST ARIZONA. && .SHORT TERM... TONIGHT THROUGH WEDNESDAY... UPPER LOW OFF CA COAST WITH AZ AHEAD OF THE SYSTEM AND UNDER VERY DRY SWLY FLOW ALOFT. GOES PWAT IMAGERY THIS EVE HAS ALL OF AZ LESS THAN ONE HALF INCH VALUES...AND SURFACE DEWPOINTS ARE IN THE LOW TEENS TO MID 20S OVER THE AZ DESERTS...WITH SOMEWHAT HIGHER VALUES ALONG THE LOWER CO RIVER...WHICH IS UNDER A MODERATE LOW LEVEL SLY FLOW. CLEAR SKIES...AS SEEN IN IR IMAGERY...AND MOSTLY LIGHT WINDS WILL PREVAIL REST OF TONIGHT. NO UPDATES NEEDED. REST OF FORECAST IS FROM THE PREVIOUS DAY SHIFT. WE ARE STILL ANTICIPATING A SIGNFICANT WARMING TREND THROUGH THE MIDDLE OF THE WEEK ACROSS THE CWA...WITH THE HOTTEST DAYTIME READINGS EXPECTED OVER THE LOWER DESERTS OF SCNTRL AZ. THIS WARMING IS DUE TO BUILDING HEIGHTS/THICKNESSES EXPECTED OVER THE AREA AS RIDGE PUMPS UP STRONGLY TO OUR E. 500MB HEIGHTS RISE TO NEAR 594 DM BY TUESDAY AFTN/INTO WED OVER ERN AZ...WITH LOWER VALUES FURTHER W CLOSER TO AN OFFSHORE UPPER LOW. PHX HEAT WATCH/WARNING SYSTEM INDICATES THAT WE COULD GET CLOSE TO HEAT ADVISORY CRITERIA FOR SCNTRL DESERTS TUESDAY. WILL LET MID SHIFT ISSUE THIS PRODUCT IF NEED BE WITH LATER GUIDANCE IN HAND. CRITERIA NOT EXPECTED TO ME MET OUT IN WRN CWA WITH LOWER TEMPS ANTICIPATED. OFFSHORE UPPER LOW WILL MOVE INLAND BY TUESDAY...PROVIDING FOR A TIGHTENING PRESSURE GRADIENT AND THE POSSIBILITY OF WINDY CONDITIONS OVER ESPECIALLY WRN CWA MONDAY...BUT ESPECIALLY ON TUESDAY. LESS WINDS ON TAP FOR WEDNESDAY. && .LONG TERM... WEDNESDAY NIGHT THROUGH SUNDAY... LOOK FOR A CONTINUATION OF THE DRY WEATHER ACROSS ENTIRE CWA FOR THE EXTENDED PERIOD...AS FLOW ALOFT GRADUALLY BECOMES MORE WESTERLY WITH TIME. THE STRONG UPPER HIGH SHIFTS SOUTH IN RESPONSE TO THE PROGRESSIVE SHORT WAVE THAT SWEEPS ACROSS ARIZONA. TIMING OF THIS SYSTEM IS STILL UNCERTAIN...BUT WILL CALL FOR A GENERAL MODERATION OF TEMPERATURES BY LATE IN THE WEEK. HEIGHTS DO NOT CHANGE ALL THAT MUCH...AND WILL KEEP HIGH TEMPS WARMER THAN GFS ENSEMBLE GUIDANCE. LATEST DGEX NOW CALLS FOR A BIGGER HEIGHT RISE BY FRIDAY AFTERNOON...AND INTO NEXT WEEKEND FOR ANOTHER WARMING TREND. && .FIRE WEATHER... WINDS WILL BE STRONGER THE NEXT FEW DAYS...PRIMARILY OVER SOUTHEAST CALIFORNIA AND SOUTHWEST ARIZONA. CRITICAL FIRE WEATHER THRESHOLDS MAY BE REACHED IN JOSHUA TREE NATIONAL PARK MONDAY. A FIRE WEATHER WATCH MAY BE NEEDED IN SOUTHEAST CALIFORNIA FOR TUESDAY AS SIMILAR CONDITIONS ARE APT TO LAST LONGER. WINDS ARE NOT EXPECTED TO BE QUITE AS STRONG IN ARIZONA...ESPECIALLY IN SOUTH-CENTRAL ARIZONA. ON WEDNESDAY...BREEZY TO WINDY CONDITIONS ARE ANTICIPATED BUT CONDITIONS ARE EXPECTED TO REMAIN BELOW CRITICAL FIRE WEATHER THRESHOLDS. && .AVIATION... 06Z TAFS ADEQUATELY DEPICT EXPECTED WEATHER. SEE TAFS PHXTAFPHX...PHXTAFIWA...PHXTAFYUM...LAXTAFBLH AND LAXTAFIPL FOR MORE DETAILED INFORMATION. AVIATION DISCUSSION NOT UPDATED FOR AMENDED TAFS. && .PSR WATCHES/WARNINGS/ADVISORIES... AZ...NONE. CA...NONE. && NATIONAL WEATHER SERVICE PHOENIX IS ON THE INTERNET AT WEATHER.GOV/PHOENIX 11/ESTLE/SIPPLE
Hazardous weather outlook, Jun 12, 5:57 AM MST, 8 hours 55 minutes before
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</html>The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 3:17 AM MST | Heat Advisory | PSR | 41 hr | |
| Jun 12, 5:04 AM MST | Fire Weather Watch | PSR | La Paz, Yuma | 10 hr |
| Jun 12, 2:41 PM MST | Excessive Heat Watch | PSR | 24 hr | |
| Jun 12, 5:04 AM MST | Red Flag Warning | PSR | Riverside, San Bernardino | 14 hr |
Nearby
Red Flag Warnings in California, 2006Red Flag Warnings in Arizona, 2006Every red flag warning in 2006
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.