Alert archive / Arizona / High Wind Warnings in 2007

High Wind Warning 1, NWS Flagstaff, AZ

April 17, 2007Apache County, Coconino County, Navajo County, Arizona

NWS Flagstaff, AZ issued this high wind warning at Apr 17, 2007, 9:53 PM MST for Apache County, Coconino County, Navajo County, Arizona. It took effect at Apr 18, 2007, 10:00 AM MST. It was in force for 11 hr. 7 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 17, 2007, 9:53 PM MST (04:53 UTC)
In effect from
Apr 18, 2007, 10:00 AM MST
Expired
Apr 18, 2007, 9:00 PM MST
In force
11 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 04:55 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

TimeReportWhereRemark
Apr 18, 10:39 AM MSTNON-TSTM WND GST 59Tusayan, AZ
Apr 18, 3:06 PM MSTNON-TSTM WND GST 59Flagstaff, AZ
Apr 18, 3:30 PM MSTNON-TSTM WND DMGWinslow, AZTELEPHONE POLES DOWN POWER OUTAGE
Apr 18, 4:30 PM MSTNON-TSTM WND DMGKayenta, AZPOWER OUTAGES
Apr 18, 4:30 PM MSTNON-TSTM WND DMGTuba City, AZTRACTOR-TRAILER BLOWN OVER NEAR PAGE
Apr 18, 4:50 PM MSTNON-TSTM WND GST 63Show Low, AZ
Apr 18, 5:00 PM MSTNON-TSTM WND DMGKykotsmovi Village, AZROOF DAMAGE

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 00:00Z, 4.9 hours before the alert went out and 121 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.

Skew-T log-pSkew-T log-p diagram, Flgstf/Belemont, AZ at 00:00Z on 2007-04-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Flgstf/Belemont, AZ at 00:00Z on 2007-04-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 67 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2970 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
67 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS75 KFGZ 180453
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
953 PM MST TUE APR 17 2007

AZZ009-010-012-013-039-040-181300-
/O.UPG.KFGZ.WI.Y.0011.070418T1700Z-070419T0200Z/
/O.NEW.KFGZ.HW.W.0001.070418T1700Z-070419T0200Z/
NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD-CHINLE VALLEY-
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-BLACK MESA AREA-
NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...KEAMS CANYON...KAIBITO...
CANYON DE CHELLY...CHINLE...KAYENTA...WUPATKI N.M....TUBA CITY...
WINSLOW...HOLBROOK...SNOWFLAKE...NAVAJO N.M....DILKON...
KYKOTSMOVI
953 PM MST TUE APR 17 2007

...HIGH WIND WARNING IN EFFECT FROM 10 AM TO 7 PM MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 7 PM MST WEDNESDAY.
THE WIND ADVISORY IS NO LONGER IN EFFECT. 

EXPECT STRONG SOUTHWEST WINDS SUSTAINED FROM 30 TO 40 MPH WITH
GUSTS FROM 55 TO 65 MPH BY LATE WEDNESDAY MORNING. AREAS IN THE
WARNING INCLUDE THE CENTRAL PORTION OF THE LITTLE COLORADO RIVER
VALLEY NORTHWARD TO THE ARIZONA UTAH BORDER.

THESE WINDS WILL LIKELY PRODUCE LARGE AREAS OF BLOWING DUST AND
SAND WITH VISIBILITY IN SOME AREAS FALLING BELOW 1 MILE. TRAVEL IN
THESE AREAS WILL BE DIFFICULT AND DRIVERS ARE URGED TO TAKE PRECAUTIONS...
ESPECIALLY THOSE DRIVING HIGH PROFILE VEHICLES OR PULLING TRAILERS.

RESIDENTS IN THE WARNING AREA ARE URGED TO SECURE LOOSE OBJECTS ON
THEIR PROPERTY.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH...OR GUSTS
OF 58 MPH OR MORE...ARE EXPECTED AND CAN LEAD TO PROPERTY DAMAGE.

$$

AZZ004>007-015-181300-
/O.CON.KFGZ.WI.Y.0011.070418T1300Z-070419T0200Z/
KAIBAB PLATEAU-MARBLE AND GLEN CANYONS-GRAND CANYON COUNTRY-
COCONINO PLATEAU-WESTERN MOGOLLON RIM-
INCLUDING THE CITIES OF...JACOB LAKE...FREDONIA...PAGE...
LEES FERRY...GRAND CANYON VILLAGE...SUPAI...NORTH RIM...VALLE...
FLAGSTAFF...WILLIAMS...MUNDS PARK
953 PM MST TUE APR 17 2007

...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 7 PM MST
WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 6 AM TO 7 PM MST
WEDNESDAY. 

STRONG SOUTHWEST WIND GUSTS FROM 40 TO 50 MPH WILL DEVELOP EARLY
WEDNESDAY MORNING IN THE HOUSEROCK VALLEY (NEAR LEES FERRY) AND
THE DONEY PARK AREAS. AS THE MORNING WEARS ON...SOUTHWEST WINDS
SUSTAINED IN THE 25 TO 40 MPH RANGE WITH GUSTS TO 55 MPH WILL
SPREAD ACROSS COCONINO COUNTY WITH LOCALLY STRONGER GUSTS EXPECTED
NORTH AND EAST OF THE SAN FRANCISCO PEAKS.

THESE WINDS WILL LIKELY PRODUCE AREAS OF BLOWING DUST.

RESIDENTS ARE URGED TO SECURE LOOSE OBJECTS ON THEIR PROPERTY.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED.

$$

AZZ008-011-014-016>018-037-038-181300-
/O.CON.KFGZ.WI.Y.0011.070418T1700Z-070419T0200Z/
YAVAPAI COUNTY MOUNTAINS-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-
EASTERN MOGOLLON RIM-WHITE MOUNTAINS-NORTHERN GILA COUNTY-
YAVAPAI COUNTY VALLEYS AND BASINS-OAK CREEK AND SYCAMORE CANYONS-
INCLUDING THE CITIES OF...PRESCOTT...SELIGMAN...ASH FORK...
WINDOW ROCK...GANADO...ST. JOHNS...SPRINGERVILLE...HEBER...
HAPPY JACK...FOREST LAKES...SHOW LOW...GREER...PINETOP...PAYSON...
STRAWBERRY...YOUNG...COTTONWOOD...CAMP VERDE...CORDES JUNCTION...
BAGDAD...SEDONA
953 PM MST TUE APR 17 2007

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM MST
WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 10 AM TO 7 PM MST
WEDNESDAY. 

STRONG SOUTHWEST WIND GUSTS FROM 40 TO 50 MPH WILL DEVELOP BY
LATE WEDNESDAY MORNING ACROSS NORTHERN ARIZONA. AS THE DAY WEARS
ON...SOUTHWEST WINDS SUSTAINED IN THE 25 TO 40 MPH RANGE WITH
GUSTS TO 55 MPH ARE EXPECTED.

THESE WINDS WILL LIKELY PRODUCE AREAS OF BLOWING DUST AND SAND.
RESIDENTS ARE URGED TO SECURE LOOSE OBJECTS ON THEIR PROPERTY.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED.

$$
RB
6 follow-up statements
000 
WWUS75 KFGZ 181044
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
344 AM MST WED APR 18 2007

AZZ009-010-012-013-039-040-181845-
/O.CON.KFGZ.HW.W.0001.070418T1700Z-070419T0200Z/
NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD-CHINLE VALLEY-
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-BLACK MESA AREA-
NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...KEAMS CANYON...KAIBITO...
CANYON DE CHELLY...CHINLE...KAYENTA...WUPATKI N.M....TUBA CITY...
WINSLOW...HOLBROOK...SNOWFLAKE...NAVAJO N.M....DILKON...
KYKOTSMOVI
344 AM MST WED APR 18 2007

...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM MST THIS EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM MST THIS EVENING. 

EXPECT STRONG SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS FROM 55
TO 65 MPH BY LATE THIS MORNING AND LASTING THROUGH THE AFTERNOON.

EXPECT AREAS OF BLOWING DUST AND SAND WITH VISIBILITIES FALLING
BELOW 1 MILE AT TIMES. TRAVEL IN THESE AREAS WILL BE
DANGEROUS...ESPECIALLY THOSE DRIVING HIGH PROFILE VEHICLES OR
PULLING TRAILERS. LOOSE OBJECTS WILL NEED TO BE SECURED.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH...OR GUSTS
OF 58 MPH OR MORE...ARE EXPECTED AND CAN LEAD TO PROPERTY DAMAGE.

$$

AZZ004>007-015-181845-
/O.CON.KFGZ.WI.Y.0011.070418T1300Z-070419T0200Z/
KAIBAB PLATEAU-MARBLE AND GLEN CANYONS-GRAND CANYON COUNTRY-
COCONINO PLATEAU-WESTERN MOGOLLON RIM-
INCLUDING THE CITIES OF...JACOB LAKE...FREDONIA...PAGE...
LEES FERRY...GRAND CANYON VILLAGE...SUPAI...NORTH RIM...VALLE...
FLAGSTAFF...WILLIAMS...MUNDS PARK
344 AM MST WED APR 18 2007

...WIND ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 7 PM
MST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 7 PM
MST THIS EVENING. 

STRONG SOUTHWEST WIND OF 25 TO 35 MPH WITH GUSTS TO 50 MPH WILL
DEVELOP EARLY THIS MORNING ACROSS DONEY PARK AND THE PORTION OF
89A THAT RUNS BETWEEN LEES FERRY AND JACOB LAKE. AS THE MORNING WEARS
ON...SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 55 MPH WILL
SPREAD ACROSS THE REMAINDER OF THE AREA.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. THESE WINDS WILL LIKELY PRODUCE AREAS OF
BLOWING DUST WITH REDUCED VISIBILITY.

LOOSE OBJECTS WILL NEED TO BE SECURED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED.

$$

AZZ008-011-014-016>018-037-038-181845-
/O.CON.KFGZ.WI.Y.0011.070418T1700Z-070419T0200Z/
YAVAPAI COUNTY MOUNTAINS-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-
EASTERN MOGOLLON RIM-WHITE MOUNTAINS-NORTHERN GILA COUNTY-
YAVAPAI COUNTY VALLEYS AND BASINS-OAK CREEK AND SYCAMORE CANYONS-
INCLUDING THE CITIES OF...PRESCOTT...SELIGMAN...ASH FORK...
WINDOW ROCK...GANADO...ST. JOHNS...SPRINGERVILLE...HEBER...
HAPPY JACK...FOREST LAKES...SHOW LOW...GREER...PINETOP...PAYSON...
STRAWBERRY...YOUNG...COTTONWOOD...CAMP VERDE...CORDES JUNCTION...
BAGDAD...SEDONA
344 AM MST WED APR 18 2007

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM MST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM
MST THIS EVENING. 

STRONG SOUTHWEST WINDS OF 25 TO 35 MPH RANGE WITH GUSTS TO 55 MPH
ARE EXPECTED TO DEVELOP FROM LATE THIS MORNING INTO THE AFTERNOON.

THESE WINDS WILL LIKELY PRODUCE AREAS OF BLOWING DUST AND SAND
WITH REDUCED VISIBILITY. WINDS THIS STRONG CAN MAKE DRIVING 
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. ANY LOOSE
OBJECTS SHOULD BE SECURED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED.

$$
000 
WWUS75 KFGZ 181348
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
648 AM MST WED APR 18 2007

AZZ009-010-012-013-039-040-182200-
/O.CON.KFGZ.HW.W.0001.070418T1700Z-070419T0200Z/
NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD-CHINLE VALLEY-
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-BLACK MESA AREA-
NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...KEAMS CANYON...KAIBITO...
CANYON DE CHELLY...CHINLE...KAYENTA...WUPATKI N.M....TUBA CITY...
WINSLOW...HOLBROOK...SNOWFLAKE...NAVAJO N.M....DILKON...
KYKOTSMOVI
648 AM MST WED APR 18 2007

...HIGH WIND WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM MST THIS EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM MST THIS EVENING. 

EXPECT STRONG SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS FROM
55 TO 65 MPH BY LATE THIS MORNING AND LASTING THROUGH THE
AFTERNOON.

EXPECT AREAS OF BLOWING DUST AND SAND WITH VISIBILITIES FALLING
BELOW 1 MILE AT TIMES. TRAVEL IN THESE AREAS WILL BE DANGEROUS...
ESPECIALLY THOSE DRIVING HIGH PROFILE VEHICLES OR PULLING
TRAILERS. LOOSE OBJECTS WILL NEED TO BE SECURED.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH...OR GUSTS
OF 58 MPH OR MORE...ARE EXPECTED AND CAN LEAD TO PROPERTY DAMAGE.

$$

AZZ004>007-015-182200-
/O.CON.KFGZ.WI.Y.0011.000000T0000Z-070419T0200Z/
KAIBAB PLATEAU-MARBLE AND GLEN CANYONS-GRAND CANYON COUNTRY-
COCONINO PLATEAU-WESTERN MOGOLLON RIM-
INCLUDING THE CITIES OF...JACOB LAKE...FREDONIA...PAGE...
LEES FERRY...GRAND CANYON VILLAGE...SUPAI...NORTH RIM...VALLE...
FLAGSTAFF...WILLIAMS...MUNDS PARK
648 AM MST WED APR 18 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING. 

STRONG SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH WILL
CONTINUE ACROSS DONEY PARK AND THE PORTION OF 89A THAT RUNS
BETWEEN LEES FERRY AND JACOB LAKE. AS THE MORNING WEARS
ON...SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 55 MPH WILL
SPREAD ACROSS THE REMAINDER OF THE AREA.

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. THESE WINDS WILL LIKELY PRODUCE AREAS OF
BLOWING DUST WITH REDUCED VISIBILITY.

LOOSE OBJECTS WILL NEED TO BE SECURED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED.

$$

AZZ008-011-014-016>018-037-038-182200-
/O.CON.KFGZ.WI.Y.0011.070418T1700Z-070419T0200Z/
YAVAPAI COUNTY MOUNTAINS-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-
EASTERN MOGOLLON RIM-WHITE MOUNTAINS-NORTHERN GILA COUNTY-
YAVAPAI COUNTY VALLEYS AND BASINS-OAK CREEK AND SYCAMORE CANYONS-
INCLUDING THE CITIES OF...PRESCOTT...SELIGMAN...ASH FORK...
WINDOW ROCK...GANADO...ST. JOHNS...SPRINGERVILLE...HEBER...
HAPPY JACK...FOREST LAKES...SHOW LOW...GREER...PINETOP...PAYSON...
STRAWBERRY...YOUNG...COTTONWOOD...CAMP VERDE...CORDES JUNCTION...
BAGDAD...SEDONA
648 AM MST WED APR 18 2007

...WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
7 PM MST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 7 PM
MST THIS EVENING. 

STRONG SOUTHWEST WINDS OF 25 TO 35 MPH RANGE WITH GUSTS TO 55 MPH
ARE EXPECTED TO DEVELOP FROM LATE THIS MORNING INTO THE
AFTERNOON.

THESE WINDS WILL LIKELY PRODUCE AREAS OF BLOWING DUST AND SAND
WITH REDUCED VISIBILITY. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. ANY LOOSE
OBJECTS SHOULD BE SECURED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED.

$$
000 
WWUS75 KFGZ 181748
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1048 AM MST WED APR 18 2007

AZZ009-010-012-013-039-040-190200-
/O.CON.KFGZ.HW.W.0001.000000T0000Z-070419T0200Z/
NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD-CHINLE VALLEY-
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-BLACK MESA AREA-
NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...KEAMS CANYON...KAIBITO...
CANYON DE CHELLY...CHINLE...KAYENTA...WUPATKI N.M....TUBA CITY...
WINSLOW...HOLBROOK...SNOWFLAKE...NAVAJO N.M....DILKON...
KYKOTSMOVI
1048 AM MST WED APR 18 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS
EVENING. 

SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS FROM 30 TO 45 MPH CAN
BE EXPECTED THIS MORNING. WINDS WILL CONTINUE TO INCREASE THROUGH
THE MORNING AND INTO THE EARLY AFTERNOON WITH SUSTAINED WINDS FROM 30
TO 40 MPH WITH GUSTS FROM 55 TO 65 MPH LASTING THROUGH THE
AFTERNOON.

EXPECT AREAS OF BLOWING DUST AND SAND WITH VISIBILITIES FALLING
BELOW 1 MILE AT TIMES. TRAVEL IN THESE AREAS WILL BE DANGEROUS...
ESPECIALLY THOSE DRIVING HIGH PROFILE VEHICLES OR PULLING
TRAILERS. LOOSE OBJECTS WILL NEED TO BE SECURED.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH...OR GUSTS
OF 58 MPH OR MORE...ARE EXPECTED AND CAN LEAD TO PROPERTY DAMAGE.

$$

AZZ004>007-015-190200-
/O.CON.KFGZ.WI.Y.0011.000000T0000Z-070419T0200Z/
KAIBAB PLATEAU-MARBLE AND GLEN CANYONS-GRAND CANYON COUNTRY-
COCONINO PLATEAU-WESTERN MOGOLLON RIM-
INCLUDING THE CITIES OF...JACOB LAKE...FREDONIA...PAGE...
LEES FERRY...GRAND CANYON VILLAGE...SUPAI...NORTH RIM...VALLE...
FLAGSTAFF...WILLIAMS...MUNDS PARK
1048 AM MST WED APR 18 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING. 

STRONG SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS NEAR 50 MPH CAN
BE EXPECTED THIS MORNING. WINDS WILL CONTINUE TO INCREASE THROUGH
THE MORNING INTO THE EARLY AFTERNOON WITH SUSTAINED WINDS OF 25 TO
35 MPH WITH GUSTS TO 55 MPH LASTING THROUGH THE REMAINDER OF THE
AFTERNOON. 

WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR
HIGH PROFILE VEHICLES. THESE WINDS WILL LIKELY PRODUCE AREAS OF
BLOWING DUST WITH REDUCED VISIBILITY.

LOOSE OBJECTS WILL NEED TO BE SECURED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED.

$$

AZZ008-011-014-016>018-037-038-190200-
/O.CON.KFGZ.WI.Y.0011.000000T0000Z-070419T0200Z/
YAVAPAI COUNTY MOUNTAINS-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-
EASTERN MOGOLLON RIM-WHITE MOUNTAINS-NORTHERN GILA COUNTY-
YAVAPAI COUNTY VALLEYS AND BASINS-OAK CREEK AND SYCAMORE CANYONS-
INCLUDING THE CITIES OF...PRESCOTT...SELIGMAN...ASH FORK...
WINDOW ROCK...GANADO...ST. JOHNS...SPRINGERVILLE...HEBER...
HAPPY JACK...FOREST LAKES...SHOW LOW...GREER...PINETOP...PAYSON...
STRAWBERRY...YOUNG...COTTONWOOD...CAMP VERDE...CORDES JUNCTION...
BAGDAD...SEDONA
1048 AM MST WED APR 18 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING. 

STRONG SOUTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS TO AROUND 45 MPH
CAN BE EXPECTED THIS MORNING. WINDS WILL CONTINUE TO INCREASE
THROUGH THE MORNING INTO THE EARLY AFTERNOON WITH SUSTAINED WINDS
OF 25 TO 35 MPH WITH GUSTS TO 55 MPH LASTING THROUGH THE REMAINDER
OF THE AFTERNOON.

THESE WINDS WILL LIKELY PRODUCE AREAS OF BLOWING DUST AND SAND
WITH REDUCED VISIBILITY. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. ANY LOOSE
OBJECTS SHOULD BE SECURED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED.

$$
000 
WWUS75 KFGZ 190001
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
501 PM MST WED APR 18 2007

...VERY WINDY WEATHER CONTINUES ACROSS NORTHERN ARIZONA...

A STRONG PACIFIC STORM SYSTEM AND COLD FRONT CONTINUE TO MOVE
ACROSS THE SOUTHERN GREAT BASIN AND NORTHERN ARIZONA THIS
AFTERNOON BRINGING VERY STRONG SOUTHWEST WINDS TO THE AREA.

AS OF 5 PM MST...SOME OBSERVED WINDS AT AREA AIRPORTS INCLUDED:

FLAGSTAFF.......59 MPH
GRAND CANYON....59 MPH
WINSLOW.........61 MPH
PAGE............48 MPH
PRESCOTT........56 MPH
WINDOW ROCK.....53 MPH
SAINT JOHNS.....55 MPH
SHOW LOW........63 MPH

OTHER AUTOMATED AND SPOTTER REPORTED WINDS INCLUDED:

HOUSEROCK.......55 MPH
FRAZIER WELLS...54 MPH
HEBER...........50 MPH
SUNSET POINT....47 MPH
GREER...........41 MPH 
PAYSON..........41 MPH

THE WIND ADVISORY AND HIGH WIND WARNING HAVE BEEN EXTENDED UNTIL
9 PM MST THIS EVENING.


AZZ009-010-012-013-039-040-190400-
/O.EXT.KFGZ.HW.W.0001.000000T0000Z-070419T0400Z/
NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD-CHINLE VALLEY-
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-BLACK MESA AREA-
NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...KEAMS CANYON...KAIBITO...
CANYON DE CHELLY...CHINLE...KAYENTA...WUPATKI N.M....TUBA CITY...
WINSLOW...HOLBROOK...SNOWFLAKE...NAVAJO N.M....DILKON...
KYKOTSMOVI
501 PM MST WED APR 18 2007

...HIGH WIND WARNING NOW IN EFFECT UNTIL 9 PM MST THIS EVENING...

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 9 PM MST THIS
EVENING. 

SOUTHWEST WINDS FROM 30 TO 40 MPH WITH GUSTS FROM 50 TO 65 MPH WILL
CONTINUE INTO THE EVENING BEFORE SLOWLY SUBSIDING OVERNIGHT.

EXPECT AREAS OF BLOWING DUST AND SAND WITH VISIBILITIES FALLING
BELOW 1 MILE AT TIMES. TRAVEL IN THESE AREAS WILL BE DANGEROUS...
ESPECIALLY THOSE DRIVING HIGH PROFILE VEHICLES OR PULLING
TRAILERS. LOOSE OBJECTS WILL NEED TO BE SECURED.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH...OR GUSTS
OF 58 MPH OR MORE...ARE EXPECTED AND CAN LEAD TO PROPERTY DAMAGE.

$$

AZZ004>007-015-190400-
/O.EXT.KFGZ.WI.Y.0011.000000T0000Z-070419T0400Z/
KAIBAB PLATEAU-MARBLE AND GLEN CANYONS-GRAND CANYON COUNTRY-
COCONINO PLATEAU-WESTERN MOGOLLON RIM-
INCLUDING THE CITIES OF...JACOB LAKE...FREDONIA...PAGE...
LEES FERRY...GRAND CANYON VILLAGE...SUPAI...NORTH RIM...VALLE...
FLAGSTAFF...WILLIAMS...MUNDS PARK
501 PM MST WED APR 18 2007

...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM MST THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 9 PM MST THIS EVENING. 

STRONG SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS NEAR 55 MPH WILL
CONTINUE INTO THE EVENING BEFORE SLOWLY SUBSIDING OVERNIGHT.

THESE WINDS WILL PRODUCE AREAS OF BLOWING DUST AND SAND WITH
REDUCED VISIBILITY. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. ANY LOOSE
OBJECTS SHOULD BE SECURED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED.

$$

AZZ008-011-014-016>018-037-038-190400-
/O.EXT.KFGZ.WI.Y.0011.000000T0000Z-070419T0400Z/
YAVAPAI COUNTY MOUNTAINS-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-
EASTERN MOGOLLON RIM-WHITE MOUNTAINS-NORTHERN GILA COUNTY-
YAVAPAI COUNTY VALLEYS AND BASINS-OAK CREEK AND SYCAMORE CANYONS-
INCLUDING THE CITIES OF...PRESCOTT...SELIGMAN...ASH FORK...
WINDOW ROCK...GANADO...ST. JOHNS...SPRINGERVILLE...HEBER...
HAPPY JACK...FOREST LAKES...SHOW LOW...GREER...PINETOP...PAYSON...
STRAWBERRY...YOUNG...COTTONWOOD...CAMP VERDE...CORDES JUNCTION...
BAGDAD...SEDONA
501 PM MST WED APR 18 2007

...WIND ADVISORY NOW IN EFFECT UNTIL 9 PM MST THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 9 PM MST THIS EVENING. 

STRONG SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS NEAR 55 MPH CAN
BE EXPECTED INTO THE EVENING BEFORE SLOWLY SUBSIDING OVERNIGHT.

THESE WINDS WILL PRODUCE AREAS OF BLOWING DUST AND SAND WITH
REDUCED VISIBILITY. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. ANY LOOSE
OBJECTS SHOULD BE SECURED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED.

$$

DB
000 
WWUS75 KFGZ 190227
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
727 PM MST WED APR 18 2007

...VERY WINDY WEATHER CONTINUES ACROSS NORTHERN ARIZONA...

A STRONG PACIFIC STORM SYSTEM AND COLD FRONT CONTINUE TO MOVE
ACROSS THE SOUTHERN GREAT BASIN AND NORTHERN ARIZONA THIS
EVENING BRINGING VERY STRONG SOUTHWEST WINDS TO THE AREA.

AS OF 5 PM MST...SOME OBSERVED WINDS AT AREA AIRPORTS INCLUDED:

FLAGSTAFF.......59 MPH 
GRAND CANYON....59 MPH 
WINSLOW.........61 MPH 
PAGE............48 MPH 
PRESCOTT........56 MPH 
WINDOW ROCK.....53 MPH 
SAINT JOHNS.....55 MPH 
SHOW LOW........63 MPH

OTHER AUTOMATED AND SPOTTER REPORTED WINDS INCLUDED:

HOUSEROCK.......55 MPH 
FRAZIER WELLS...54 MPH 
HEBER...........50 MPH 
SUNSET POINT....47 MPH 
GREER...........41 MPH 
PAYSON..........41 MPH

THE WIND ADVISORY AND HIGH WIND WARNING REMAINS IN EFFECT UNTIL
9 PM MST THIS EVENING FOR AREAS EAST OF A LINE FROM PAGE TO
PAYSON.

AZZ004>008-015-018-037-038-190330-
/O.CAN.KFGZ.WI.Y.0011.000000T0000Z-070419T0400Z/
KAIBAB PLATEAU-MARBLE AND GLEN CANYONS-GRAND CANYON COUNTRY-
COCONINO PLATEAU-YAVAPAI COUNTY MOUNTAINS-WESTERN MOGOLLON RIM-
NORTHERN GILA COUNTY-YAVAPAI COUNTY VALLEYS AND BASINS-
OAK CREEK AND SYCAMORE CANYONS-
INCLUDING THE CITIES OF...JACOB LAKE...FREDONIA...PAGE...
LEES FERRY...GRAND CANYON VILLAGE...SUPAI...NORTH RIM...VALLE...
PRESCOTT...SELIGMAN...ASH FORK...FLAGSTAFF...WILLIAMS...
MUNDS PARK...PAYSON...STRAWBERRY...YOUNG...COTTONWOOD...
CAMP VERDE...CORDES JUNCTION...BAGDAD...SEDONA
727 PM MST WED APR 18 2007

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS CANCELLED THE WIND
ADVISORY. 

THE SURFACE COLD FRONT HAS MOVED ACROSS NORTHWESTERN ARIZONA THIS
EVENING. BEHIND THE COLD FRONT...WINDS WERE SHIFTING TO THE WEST
AND NORTHWEST AND DIMINISHING...THUS THE WIND ADVISORY HAS BEEN
CANCELLED. EXPECT WEST TO NORTHWEST WINDS 15 TO 25 MPH WITH HIGHER 
GUSTS THROUGH THE REMAINDER OF THE EVENING.

$$

AZZ009-010-012-013-039-040-190400-
/O.CON.KFGZ.HW.W.0001.000000T0000Z-070419T0400Z/
NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD-CHINLE VALLEY-
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-BLACK MESA AREA-
NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...KEAMS CANYON...KAIBITO...
CANYON DE CHELLY...CHINLE...KAYENTA...WUPATKI N.M....TUBA CITY...
WINSLOW...HOLBROOK...SNOWFLAKE...NAVAJO N.M....DILKON...
KYKOTSMOVI
727 PM MST WED APR 18 2007

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING. 

SOUTHWEST WINDS FROM 30 TO 40 MPH WITH GUSTS FROM 50 TO 60 MPH
WILL CONTINUE INTO THE EVENING BEFORE SLOWLY SUBSIDING OVERNIGHT...
MAINLY EAST OF A LINE FROM KAYENTA TO WINSLOW.

EXPECT AREAS OF BLOWING DUST AND SAND. TRAVEL IN THESE AREAS WILL
BE DANGEROUS... ESPECIALLY THOSE DRIVING HIGH PROFILE VEHICLES OR
PULLING TRAILERS. LOOSE OBJECTS WILL NEED TO BE SECURED.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH...OR GUSTS
OF 58 MPH OR MORE...ARE EXPECTED AND CAN LEAD TO PROPERTY DAMAGE.

$$

AZZ011-014-016-017-190400-
/O.CON.KFGZ.WI.Y.0011.000000T0000Z-070419T0400Z/
CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-
EASTERN MOGOLLON RIM-WHITE MOUNTAINS-
INCLUDING THE CITIES OF...WINDOW ROCK...GANADO...ST. JOHNS...
SPRINGERVILLE...HEBER...HAPPY JACK...FOREST LAKES...SHOW LOW...
GREER...PINETOP
727 PM MST WED APR 18 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING. 

STRONG SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS AROUND 40 MPH CAN
BE EXPECTED INTO THE EVENING BEFORE SLOWLY SUBSIDING OVERNIGHT.

THESE WINDS WILL PRODUCE AREAS OF BLOWING DUST AND SAND WITH
REDUCED VISIBILITY. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. ANY LOOSE
OBJECTS SHOULD BE SECURED.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED.

$$
000 
WWUS75 KFGZ 190343
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
843 PM MST WED APR 18 2007

...WINDY WEATHER ENDING ACROSS NORTHERN ARIZONA...

THE PACIFIC STORM SYSTEM AND COLD FRONT THAT BROUGHT THE STRONG
WINDS TO NORTHERN ARIZONA THIS AFTERNOON WAS RAPIDLY MOVING TO THE
EAST. WINDS HAVE BEGUN TO DIMINISH ACROSS THE REGION THIS EVENING
AND ALL WARNINGS AND ADVISORIES WILL BE ALLOWED TO EXPIRE AT 9 PM
MST.

AS OF 8 PM MST...SOME PEAK WINDS AT AREA AIRPORTS INCLUDED:

SHOW LOW........63 MPH
WINSLOW.........61 MPH 
FLAGSTAFF.......59 MPH 
GRAND CANYON....59 MPH 
PRESCOTT........56 MPH 
SAINT JOHNS.....55 MPH 
WINDOW ROCK.....53 MPH 
PAGE............48 MPH 

OTHER AUTOMATED AND SPOTTER REPORTED WINDS INCLUDED:

GANADO..........60 MPH
KAYENTA.........60 MPH
DILKON..........60 MPH
HOUSEROCK.......55 MPH 
FRAZIER WELLS...54 MPH 
HEBER...........50 MPH 
SUNSET POINT....47 MPH 
GREER...........41 MPH 
PAYSON..........41 MPH



AZZ009-010-012-013-039-040-190445-
/O.EXP.KFGZ.HW.W.0001.000000T0000Z-070419T0400Z/
NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD-CHINLE VALLEY-
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-BLACK MESA AREA-
NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...KEAMS CANYON...KAIBITO...
CANYON DE CHELLY...CHINLE...KAYENTA...WUPATKI N.M....TUBA CITY...
WINSLOW...HOLBROOK...SNOWFLAKE...NAVAJO N.M....DILKON...
KYKOTSMOVI
843 PM MST WED APR 18 2007

...HIGH WIND WARNING WILL EXPIRE AT 9 PM MST THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 9 PM MST THIS EVENING. 

WINDS HAVE BEGUN TO DIMINISH IN INTENSITY ACROSS THE WARNING AREA
THIS EVENING...THUS THE HIGH WIND WARNING WILL BE ALLOWED TO
EXPIRE. EXPECT SOUTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS TO
AROUND 40 MPH UNTIL AROUND 9 PM THIS EVENING...BECOMING
NORTHWEST 10 TO 20 MPH WITH SOME HIGHER GUSTS OVERNIGHT.

$$

AZZ011-014-016-017-190445-
/O.EXP.KFGZ.WI.Y.0011.000000T0000Z-070419T0400Z/
CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-
EASTERN MOGOLLON RIM-WHITE MOUNTAINS-
INCLUDING THE CITIES OF...WINDOW ROCK...GANADO...ST. JOHNS...
SPRINGERVILLE...HEBER...HAPPY JACK...FOREST LAKES...SHOW LOW...
GREER...PINETOP
843 PM MST WED APR 18 2007

...WIND ADVISORY WILL EXPIRE AT 9 PM MST THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 9 PM MST THIS EVENING. 

WINDS HAVE BEGUN TO DIMINISH IN INTENSITY ACROSS THE ADVISORY AREA
THIS EVENING...THUS THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE.
EXPECT SOUTHWEST WINDS 15 TO 25 MPH WITH GUSTS TO 35 MPH UNTIL 9
PM MST...BECOMING NORTHWEST 10 TO 20 MPH WITH SOME HIGHER GUSTS
OVERNIGHT.

$$
DB

What forecasters said that day

The local office's own words before this high wind 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 high wind warning went out at Apr 17, 3:45 PM MST, 6 hours 8 minutes earlier.

Area forecast discussion, Apr 17, 3:45 PM MST, 6 hours 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
345 PM MST TUE APR 17 2007

.SYNOPSIS...STRONG WINDS ARE EXPECTED WEDNESDAY AND AGAIN FRIDAY AS
A SERIES OF PACIFIC STORMS IMPACT NORTHERN ARIZONA. WEDNESDAY SYSTEM
LOOKS TO BE DRY BUT WILL BRING SOUTHWEST WIND GUSTS OF 45 TO 55 MPH
TO THE NORTHLAND. FRIDAYS SYSTEM SHOULD PRODUCE WIND GUSTS TO 45 MPH
DURING THE DAY AND THEN SPREAD A CHANCE OF SHOWERS ACROSS THE AREA
FRIDAY NIGHT AND SATURDAY. FAIR WEATHER IS FORECAST SUNDAY FOLLOWED
BY ANOTHER CHANCE OF SHOWERS MONDAY.
&&

.DISCUSSION...
FAIR WEATHER IS EXPECT OVERNIGHT WITH THE SHORT TERM ISSUE TOMORROW
BEING STRONG SOUTHWEST WINDS. MODELS ARE CONSISTENT IN MOVING A
PACIFIC LOW PRESSURE SYSTEM THROUGH THE GREAT BASIN ON WEDS...WITH A
SFC COLD FRONT MOVING THROUGH OUR NORTHLAND DURING THE AFTERNOON.
THIS IS A DRY FRONT. CROSS SECTIONS SHOW MIXING FROM THE SFC TO 650
MB WHERE SOUTHWEST WINDS FROM 45 TO 53 KTS ARE SHOWN. THE LACK OF
CLOUDS AND DAY TIME PASSAGE OF THE FRONT HELP BOOST CONFIDENCE THAT
FREQUENT SFC WIND GUSTS TO 55 MPH WILL OCCUR DURING THE AFTERNOON
ALONG AND NORTH OF THE MOGOLLON RIM. WE HAVE ISSUED A WIND ADVISORY
FOR ALL OF THE CWA AND SEPARATED IT INTO 2 SEGMENTS. THE 6 AM START
TIME COVERS COCONINO COUNTY WITH THE IDEA THAT AREAS LIKE DONEY
PARK...HOUSEROCK VALLEY AND THE KAIBAB PLATEAU WILL BLOW EARLY. THE
10 AM MST START TIME COVERS THE REST OF THE CWA. WE WILL CONTINUE
THE FIRE WEATHER WATCH FOR YAVAPAI AND NRN GILA COUNTIES FOR WEDS.
AS WELL.

WEDNESDAY NIGHT AND THURSDAY...WEDS. SYSTEM IS A FAST MOVER AND THE
COOLER AIR IT BRINGS WILL BE GONE BY THURSDAY AFTERNOON AS SOUTHWEST
FLOW ALOFT RETURNS. DRY WX WILL CONTINUE.

FRIDAY...SOUTHWEST FLOW ALOFT WILL INCREASE AS A SECOND PACIFIC TROF
MOVES INTO THE DESERT SOUTHWEST. THIS CENTER OF THIS STORM PASSES
OVER NRN AZ FRIDAY NIGHT. PROGS ARE MUCH WETTER WITH THIS STORM AND
WE HAVE INCREASED POPS SLIGHTLY FOR THE PERIOD FRIDAY AFTERNOON
THROUGH MID DAY SATURDAY.

SATURDAY THROUGH TUESDAY...THE PROGRESSIVE PATTERN OF A LOW PRESSURE
SYSTEM MOVING ACROSS AZ EVERY COUPLE OF DAYS CONTINUES FOR THIS
PERIOD. WE HAVE INCREASED THE CHANCES OF PRECIP SLIGHTLY FOR THE
PERIOD SUNDAY NIGHT THROUGH MONDAY.

41

&&

.AVIATION...FOR THE 00Z PACKAGE...VFR CONDITIONS EXPECTED THROUGH
00Z THURSDAY. AN APPROACHING UPPER LEVEL STORM SYSTEM AND SFC COLD
FRONT WILL HELP PRODUCE STRONG SOUTHWEST WINDS THAT WILL BEGIN TO
INCREASE TONIGHT INTO WEDNESDAY MORNING. WINDS BY LATE WEDNESDAY
MORNING ARE FORECAST TO BECOMING SUSTAINED BETWEEN 20 TO 25 MPH WITH
WIND GUSTS FROM 35 TO 45 MPH AND BY THE AFTERNOON 20 TO 30 MPH WITH
GUSTS FROM 45 TO 55 MPH. EXPECTING WINDS TO DECREASE AFT 02Z THU.
AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS.
TEC

&&

.FGZ WATCHES/WARNINGS/ADVISORIES...
     ...FIRE WX WATCH IN EFFECT FOR WEDNESDAY FROM NOON UNTIL 7PM MST
        AZ FIRE WX ZONES 108/118/137.

     ...WIND ADVISORY IN EFFECT FOR WEDNESDAY FROM 6 AM MST TO 7 PM
        MST FOR AZ ZONES 004>007-015...

    ...WIND ADVISORY IN EFFECT FOR WEDNESDAY FROM 10 AM MST TO 7
        PM MST FOR AZ ZONES 008>014-016>018-037>040...

&&
Hazardous weather outlook, Apr 17, 3:51 PM MST, 6 hours 2 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
351 PM MST TUE APR 17 2007

AZZ004>018-037>040-181100-
BLACK MESA AREA-CHINLE VALLEY-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
COCONINO PLATEAU-EASTERN MOGOLLON RIM-GRAND CANYON COUNTRY-
KAIBAB PLATEAU-LITTLE COLORADO RVR VLY IN APACHE CO-
LITTLE COLORADO RVR VLY IN COCONINO CO-
LITTLE COLORADO RVR VLY IN NAVAJO CO-MARBLE AND GLEN CANYONS-
NORTHEAST PLATEAU AND MESAS SOUTH OF 264-
NORTHEAST PLATEAUS AND MESAS 264 NORTH-NORTHERN GILA COUNTY-
OAK CREEK AND SYCAMORE CANYONS-WESTERN MOGOLLON RIM-WHITE MOUNTAINS-
YAVAPAI COUNTY MOUNTAINS-YAVAPAI COUNTY VALLEYS AND BASINS-
351 PM MST TUE APR 17 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR...

.DAY ONE...TODAY

FAIR WEATHER IS EXPECTED TUESDAY NIGHT.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY

SOUTHWEST WINDS SUSTAINED AT 20 TO 35 MPH WITH GUSTS FROM 45 TO 55
MPH ARE EXPECTED ACROSS NORTHERN ARIZONA ON WEDNESDAY. THE FASTEST
SPEEDS AND GUSTS ARE EXPECTED ALONG AND NORTH OF THE MOGOLLON RIM...
AND INCLUDE THE NAVAJO AND HOPI NATIONS. AREAS OF BLOWING DUST MAY
OCCUR. THESE WINDS ARE ASSOCIATED WITH A DRY COLD FRONT THAT WILL
MOVE INTO THE NORTHLAND DURING THE AFTERNOON. WIND SPEEDS ARE
EXPECTED TO DECREASE AFTER SUNSET.

ON FRIDAY...SOUTHWEST WIND GUSTS TO 45 MPH ARE EXPECTED AS ANOTHER
COLD FRONT MOVES ACROSS OUR AREA. THIS SYSTEM WILL BRING A CHANCE
OF PRECIPITATION TO THE AREA FRIDAY NIGHT AND SATURDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

41
41

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 18, 5:15 AM MSTRed Flag WarningFGZGila, Yavapai14 hr

Nearby

High Wind Warnings in Arizona, 2007Every high wind warning in 2007

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.