Alert archive / Arizona / Red Flag Warnings in 2013

Red Flag Warning 20, NWS Flagstaff, AZ

September 25, 2013Apache County, Coconino County, Navajo County, Arizona

NWS Flagstaff, AZ issued this red flag warning at Sep 25, 2013, 5:59 AM MST for Apache County, Coconino County, Navajo County, Arizona. It took effect at Sep 25, 2013, 11:00 AM MST. It was in force for 6 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: Sep 25, 2013, 5:59 AM MST (12:59 UTC)
In effect from: Sep 25, 2013, 11:00 AM MST
Expired: Sep 25, 2013, 4:54 PM MST
In force: 6 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 12:56 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 Sep 25, 2:35 AM MST, 3 hours 24 minutes earlier.

Area forecast discussion, Sep 25, 2:35 AM MST, 3 hours 24 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
235 AM MST WED SEP 25 2013

.SYNOPSIS...A LARGE AND FAIRLY DEEP LOW OVER THE NW U.S. WILL
QUICKLY BECOME THE MAIN FOCUS WITH THE SIGNIFICANT WEATHER IMPACTS
BEING WINDY TODAY AND THURSDAY AND BELOW NORMAL HIGH TEMPERATURES
THROUGH SATURDAY. A RETURN TO NORMAL DAY TIME TEMPERATURES AND DRY
CONDITIONS FROM SUNDAY THROUGH MIDDLE OF NEXT WEEK CAN BE EXPECTED.
&&

.DISCUSSION...THE COLD AND DEEP PACIFIC TROUGH WILL DROP SOUTHWARD
INTO THE GREAT BASIN LATER TODAY WITH WINDS ALOFT STRENGTHENING
ACROSS NORTHERN AZ. STRONG SOUTHWEST WINDS WILL BECOMING MORE
WIDESPREAD LATER THIS MORNING INTO THE EVENING. SOUTHWEST WINDS
TODAY WILL RANGE FROM 20-30 MPH WITH GUSTS UP TO 50 MPH...FROM
YAVAPAI COUNTY MOUNTAINS/MOGOLLON RIM/WHITE MOUNTAINS NORTHWARD. A
WIND ADVISORY IS IN EFFECT FOR THESE AREAS. THERE WILL BE SOME AREAS
OF BLOWING DUST AND SAND IN THE LITTLE COLORADO RIVER VALLEY AND
CHINLE VALLEYS TODAY. TONIGHT...SOME FAVORED DOWNSLOPE AREAS
NORTHEAST OF HIGH TERRAIN FEATURES WILL SEE ENHANCED WINDS. HIGH
TEMPERATURES TODAY WILL FALL BACK TO NORMAL VALUES.

THE LOW PRESSURE TROUGH WILL COVER AN EXTENSIVE AREA OF THE
INTERMOUNTAIN WEST AND IS FORECAST TO DROP SOUTH INTO
OREGON...IDAHO...NEVADA AND UTAH ON THURSDAY. AN EMBEDDED
DISTURBANCE ROTATING THROUGH THE BASE OF THE TROUGH IS FORECAST TO
PUSH A COLD FRONT INTO NW AZ. THIS WILL PRODUCE ANOTHER DAY OF
STRONG SOUTHWEST WINDS WITH SPEEDS SLIGHTLY HIGHER THAN ON
WEDNESDAY...MORE IN THE 25-35 MPH RANGE WITH GUSTS OF 45-55 MPH.
ANOTHER WIND ADVISORY WILL BE IN EFFECT FOR THE SAME AREA FROM LATE
MORNING INTO THE EARLY EVENING. THE COLD FRONT IS FORECAST TO TRACK
SE ACROSS NORTHERN AZ THURSDAY EVENING INTO FRIDAY MORNING. THERE
MAYBE ENOUGH MOISTURE MAINLY OVER SOUTHERN NAVAJO COUNTY AND UP
ACROSS APACHE COUNTY FOR A FEW LIGHT SHOWERS. HIGH TEMPERATURES WILL
RUN 6-8 DEGREES BELOW NORMAL THURSDAY THROUGH SATURDAY.

A SUBTROPICAL HIGH WILL BUILD BACK INTO THE REGION ON SUNDAY WITH
WARMING CONDITIONS AND DRY WEATHER CONTINUING INTO THE MIDDLE OF
NEXT WEEK.
&&

.AVIATION...FOR THE 12Z PACKAGE...EXPECT VFR CONDITIONS WITH STRONG
SOUTHWEST WINDS SUSTAINED AT 20 TO 25 KTS WITH GUSTS 35 TO 45 KTS.
AREAS OF BLOWING DUST MAY CAUSE MVFR CONDITIONS IN THE VALLEYS OF
NORTHEASTERN ARIZONA. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS.

&&

.FGZ WATCHES/WARNINGS/ADVISORIES...WIND ADVISORY FROM 11 AM TO 8 PM
MST WEDNESDAY FOR AZZ004>017-039-040.

WIND ADVISORY FROM 11 AM TO 8 PM MST THURSDAY FOR AZZ004>017-039-
040.
&&

PUBLIC.........TC
AVIATION.......BOHLIN

FOR NORTHERN ARIZONA WEATHER INFORMATION VISIT
WEATHER.GOV/FLAGSTAFF

Hazardous weather outlook, Sep 25, 3:14 AM MST, 2 hours 45 minutes before

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The office that day

Everything else NWS Flagstaff, AZ issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Sep 25, 2:53 AM MST	Wind Advisory	FGZ	Apache, Coconino, Gila, Navajo, Yavapai	41 hr

Nearby

Red Flag Warnings in Arizona, 2013 Every 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.