Alert archive / Arizona / Red Flag Warnings in 2013

Red Flag Warning 14, NWS Flagstaff, AZ

June 12, 2013Apache County, Coconino County, Navajo County, Arizona

NWS Flagstaff, AZ issued this red flag warning at Jun 12, 2013, 3:55 AM MST for Apache County, Coconino County, Navajo County, Arizona. It took effect at Jun 13, 2013, 12:00 PM MST. It was in force for 7 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, 2013, 3:55 AM MST (10:55 UTC)
In effect from
Jun 13, 2013, 12:00 PM MST
Expired
Jun 13, 2013, 7:00 PM MST
In force
7 hr
Issued by
NWS Flagstaff, AZ

Counties Apache County, AZ, Coconino County, AZ, Navajo County, AZ

The radar

The Flagstaff radar (KFSX), 124 km from the middle of the area, began a volume at 10:59 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 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 Flagstaff, AZ wrote its last area forecast discussion before this red flag warning went out at Jun 11, 2:30 PM MST, 13 hours 25 minutes earlier.

Area forecast discussion, Jun 11, 2:30 PM MST, 13 hours 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
230 PM MST TUE JUN 11 2013

.SYNOPSIS...DRY AND BREEZY WEATHER WILL CONTINUE ACROSS MOST OF
NORTHERN ARIZONA THROUGH AT LEAST SUNDAY. A SLIGHT CHANCE OF
AFTERNOON THUNDERSTORMS WILL BE POSSIBLE AROUND THE WHITE MOUNTAINS
ON THURSDAY AND FRIDAY. DAYTIME TEMPERATURES WILL REMAIN NEAR TO
ABOVE NORMAL.

&&

.DISCUSSION...THE GENERAL PATTERN OVER THE COMING WEEK WILL INCLUDE
HIGH PRESSURE CENTERED OVER THE SOUTH CENTRAL UNITED STATES WITH LOW
PRESSURE ALONG THE WEST COAST. THE PRESSURE GRADIENT BETWEEN THESE
TWO SYSTEMS WILL PRODUCE A PERSISTENT DRY AND WARM SOUTHWEST FLOW
ACROSS ARIZONA. SO...EXPECT BREEZY TO WINDY AFTERNOONS AND NEAR TO
ABOVE NORMAL TEMPERATURES AS FAR AS THE EYE CAN SEE.

ON WEDNESDAY AND THURSDAY...SOUTHWEST WINDS WILL BE ON THE INCREASE
AS THE WEST COAST LOW DIPS SOUTHWARD. THE RESULT WILL BE ELEVATED
FIRE WEATHER CONCERNS ACROSS NORTHWEST ARIZONA. A RED FLAG WARNING
IS IN EFFECT ON WEDNESDAY FOR A GENERAL AREA THAT INCLUDES THE GRAND
CANYON. IN ADDITION...THERE IS A FIRE WEATHER WATCH FOR AN EVEN
LARGER AREA OF NORTHWEST ARIZONA THURSDAY AFTERNOON. SEE THE FIRE
WEATHER SECTION BELOW OR PHXRFWFGZ FOR DETAILS.

MEANWHILE...IN RESPONSE TO THE WEST COAST LOW DIPPING TOWARD ARIZONA
A WEAK LOBE OF HIGH PRESSURE OVER MEXICO WILL SHIFT INTO NEW MEXICO.
THE SHIFT OF THIS HIGH WILL OPEN THE DOOR TO SOUTHERLY FLOW AND
DEEPER MOISTURE OVER THE SOUTHEAST CORNER OF ARIZONA. JUST ENOUGH OF
THIS MOISTURE WILL NOSE NORTHWARD FOR A SLIGHT CHANCE OF SHOWERS AND
THUNDERSTORM OVER FAR EASTERN PORTIONS OF ARIZONA ON THURSDAY AND
FRIDAY.

FOR THE WEEKEND INTO EARLY NEXT WEEK...WARM AND DRY SOUTHWEST FLOW
LOOKS TO DRY OUT THE ENTIRE STATE. THE POTENTIAL FOR CRITICAL FIRE
WEATHER CONDITIONS WILL CONTINUE.

&&

.AVIATION...FOR THE 00Z PACKAGE...EXPECT VFR CONDITIONS WITH
SKC-SCT250 MSL BECOMING BKN250 MSL TONIGHT. SFC WINDS SW 10-20KTS
GUSTS TO 25KTS THROUGH 02Z WEDS THEN LIGHT. AFT 18Z WEDS...SFC WINDS
SW10-25KT GUSTS TO 35KT...FASTEST WINDS WEST OF A KPGA-KPRC LINE.
AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS.

&&

.FIRE WEATHER...NORTHERN ARIZONA WILL REMAIN BETWEEN HIGH PRESSURE
TO OUR EAST AND LOW PRESSURE OVER THE PACIFIC NORTHWEST FOR SEVERAL
DAYS. UPPER LEVEL DISTURBANCES MOVING THROUGH GREAT BASIN ON
WEDNESDAY AND THURSDAY WILL BRING INCREASING 20 FOOT WIND SPEEDS TO
THE NORTHWEST PORTIONS OF OUR DISTRICT. A RED FLAG WARNING HAS BEEN
ISSUED FOR WEDNESDAY FOR WESTERN COCONINO COUNTY. THURSDAYS FIRE
WEATHER WATCH COVERING A LARGER AREA IN NORTHERN ARIZONA WILL BE
CONTINUED. SEE PHXRFWFGZ FOR DETAILS. ALSO ON THURSDAY...MID LEVEL
MOISTURE AND INSTABILITY SHOULD MOVE INTO APACHE COUNTY AND A SLIGHT
CHANCE OF THUNDERSTORMS IS FORECAST THERE.

FRIDAY THROUGH SUNDAY...WARM AND BREEZY CONDITIONS WILL CONTINUE
WITH DRY WEATHER FOR MOST OF THE AREA. WIND SPEEDS SHOULD REMAIN
BELOW CRITICAL CRITERIA. MID LEVEL MOISTURE LINGERING OVER EASTERN
APACHE COUNTY FRIDAY AND SATURDAY WILL KEEP THE THREAT OF HIGH BASED
AFTERNOON THUNDERSTORMS THERE.

&&

.FGZ WATCHES/WARNINGS/ADVISORIES...

RED FLAG WARNING 1 PM TO 8 PM MST WEDNESDAY FOR ARIZONA FIRE WEATHER
ZONES AZZ104-106-107.

FIRE WEATHER WATCH 10 AM TO 8 PM MST THURSDAY
AZZ104>107-109-112-115-139.

&&

PUBLIC.........MCCOLLUM
AVIATION.......DL
FIRE WEATHER...DL

FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT
WEATHER.GOV/FLAGSTAFF
Hazardous weather outlook, Jun 11, 3:00 PM MST, 12 hours 55 minutes before
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Nearby

Red Flag Warnings in Arizona, 2013Every red flag warning in 2013

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.