Alert archive / Arizona / High Wind Warnings in 2010

High Wind Warning 7, NWS Flagstaff, AZ

May 10, 2010Apache County, Coconino County, Navajo County, Arizona

NWS Flagstaff, AZ issued this high wind warning at May 10, 2010, 10:27 PM MST for Apache County, Coconino County, Navajo County, Arizona. It took effect at May 11, 2010, 6:09 AM MST. It was in force for 13 hr. 14 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
May 10, 2010, 10:27 PM MST (05:27 UTC)
In effect from
May 11, 2010, 6:09 AM MST
Expired
May 11, 2010, 7:00 PM MST
In force
13 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 05:25 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
May 11, 6:30 AM MSTDUST STORMLeupp, AZNEAR ZERO VISIBILITY
May 11, 7:00 AM MSTNON-TSTM WND DMGTwo Guns, AZ1 SEMI AND 2 RV TRAILERS BLOWN OVER BY HIGH WINDS
May 11, 7:32 AM MSTNON-TSTM WND GST 77Two Guns, AZ
May 11, 7:35 AM MSTNON-TSTM WND GST 59Flagstaff, AZ
May 11, 7:45 AM MSTDUST STORM10 W Winslow, AZINTERSTATE 40 CLOSED DUE TO POOR VISIBILITY
May 11, 8:29 AM MSTNON-TSTM WND GST 58Winslow, AZ
May 11, 9:30 AM MSTNON-TSTM WND GST 60Show Low, AZ
May 11, 9:55 AM MSTNON-TSTM WND GST 58Window Rock, AZ
May 11, 11:00 AM MSTDUST STORMChinle, AZVISIBILITY NEAR ZERO AT TIMES
May 11, 11:55 AM MSTNON-TSTM WND GST 59Petrified Forest Nation, AZ
May 11, 12:10 PM MSTNON-TSTM WND GST 5810 S Holbrook, AZ
May 11, 12:11 PM MSTNON-TSTM WND GST 62Lupton, AZ
May 11, 12:40 PM MSTDUST STORMDilkon, AZVISIBILITY NEAR 15 FEET
May 11, 1:00 PM MSTNON-TSTM WND GST 6610 S Holbrook, AZ

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, 5.5 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 2010-05-11Temperature 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 2010-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
2163 m above ground
0-6 km bulk shear
49 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
174 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.

569 
WWUS75 KFGZ 110527
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1027 PM MST MON MAY 10 2010

AZZ012-013-040-111430-
/O.UPG.KFGZ.WI.Y.0012.100511T1500Z-100512T0200Z/
/O.NEW.KFGZ.HW.W.0007.100511T1500Z-100512T0200Z/
/O.NEW.KFGZ.DS.W.0001.100511T1500Z-100512T0200Z/
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-
NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...WINSLOW...HOLBROOK...SNOWFLAKE...DILKON
1027 PM MST MON MAY 10 2010

...DUST STORM WARNING IN EFFECT FROM 8 AM TO 7 PM MST TUESDAY...
...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 7 PM MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A DUST STORM
WARNING...WHICH IS IN EFFECT FROM 8 AM TO 7 PM MST TUESDAY. A
HIGH WIND WARNING HAS ALSO BEEN ISSUED. THIS HIGH WIND WARNING IS
IN EFFECT FROM 8 AM TO 7 PM MST TUESDAY. THE WIND ADVISORY IS NO
LONGER IN EFFECT. 

* TIMING: SOUTHWEST WINDS WILL INCREASE EARLY TUESDAY MORNING AND
  WILL LAST MUCH OF THE DAY TUESDAY...BEFORE DECREASING TUESDAY
  EVENING.

* WINDS: EXPECT SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS FROM 
  45 TO 55 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING A
  HIGH PROFILE VEHICLE. IN ADDITION...SOME AREAS WILL EXPERIENCE
  BLOWING DUST WITH GREATLY REDUCED VISIBILITY. SOME LOCATIONS
  THAT WILL LIKELY BE IMPACTED BY BLOWING DUST INCLUDE...
  INTERSTATE 40 BETWEEN TWO GUNS AND WINSLOW NORTH TO HIGHWAY 15
  FROM LEUPP TO DILKON...AND STATE ROUTE 87 FROM INTERSTATE 40 TO
  SECOND MESA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DUST STORM WARNING MEANS AREAS WITH VISIBILITIES LESS THAN ONE
QUARTER MILE ARE EXPECTED DUE TO BLOWING DUST. TRAVEL COULD BECOME
EXTREMELY DANGEROUS. PERSONS WITH RESPIRATORY PROBLEMS SHOULD MAKE
PREPARATIONS TO STAY INDOORS UNTIL THE STORM PASSES.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING...WITH SUSTAINED WIND SPEEDS GREATER THAN 40 MPH OR
GUSTS GREATER THAN 58 MPH. WINDS THIS STRONG CAN CAUSE PROPERTY
DAMAGE. CONTINUE TO MONITOR THE LATEST FORECASTS. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ014-017-111430-
/O.UPG.KFGZ.WI.Y.0012.100511T1500Z-100512T0200Z/
/O.NEW.KFGZ.HW.W.0007.100511T1500Z-100512T0200Z/
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-WHITE MOUNTAINS-
INCLUDING THE CITIES OF...ST. JOHNS...SPRINGERVILLE...SHOW LOW
1027 PM MST MON MAY 10 2010

...HIGH WIND WARNING IN EFFECT FROM 8 AM TO 7 PM MST TUESDAY...

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 8 AM TO 7 PM MST TUESDAY. THE
WIND ADVISORY IS NO LONGER IN EFFECT. 

* TIMING: SOUTHWEST WINDS WILL INCREASE EARLY TUESDAY MORNING AND
  WILL LAST MUCH OF THE DAY TUESDAY...BEFORE DECREASING TUESDAY
  EVENING.

* WINDS: EXPECT SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS FROM 50
  TO 60 MPH.

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING A
  HIGH PROFILE VEHICLE. WINDS THIS STRONG CAN CAUSE PROPERTY
  DAMAGE. LOCALIZED BLOWING DUST IS POSSIBLE ACROSS THE LITTLE
  COLORADO RIVER VALLEY...INCLUDING SAINT JOHNS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING...WITH SUSTAINED WIND SPEEDS GREATER THAN 40 MPH OR
GUSTS GREATER THAN 58 MPH. WINDS THIS STRONG CAN CAUSE PROPERTY
DAMAGE. CONTINUE TO MONITOR THE LATEST FORECASTS. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ006>009-011-015-016-038-111430-
/O.CON.KFGZ.WI.Y.0012.100511T1500Z-100512T0200Z/
GRAND CANYON COUNTRY-COCONINO PLATEAU-YAVAPAI COUNTY MOUNTAINS-
NORTHEAST PLATEAUS AND MESAS HWY 264 NORTHWARD-
CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-WESTERN MOGOLLON RIM-
EASTERN MOGOLLON RIM-OAK CREEK AND SYCAMORE CANYONS-
INCLUDING THE CITIES OF...GRAND CANYON VILLAGE...SUPAI...
PRESCOTT...WINDOW ROCK...GANADO...FLAGSTAFF...SEDONA
1027 PM MST MON MAY 10 2010

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 7 PM MST
TUESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 7 PM MST TUESDAY. 

* TIMING: GUSTY WINDS WILL CONTINUE TONIGHT...ESPECIALLY EAST OF
  THE SAN FRANCISCO PEAKS WHERE GUSTS OVER 50 MPH ARE POSSIBLE.
  SOUTHWEST WINDS WILL INCREASE EARLY TUESDAY MORNING AND WILL
  LAST MUCH OF THE DAY TUESDAY...BEFORE DECREASING TUESDAY
  EVENING.

* WINDS: EXPECT SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS FROM 45
  TO 55 MPH. HIGHER GUSTS ARE POSSIBLE EAST OF THE SAN FRANCISCO
  PEAKS.

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING A
  HIGH PROFILE VEHICLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
CONSIDER SECURING LOOSE BELONGINGS ON YOUR PROPERTY. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ010-039-111430-
/O.CON.KFGZ.WI.Y.0012.100511T1500Z-100512T0200Z/
CHINLE VALLEY-BLACK MESA AREA-
INCLUDING THE CITIES OF...CHINLE...KAYENTA
1027 PM MST MON MAY 10 2010

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 7 PM MST
TUESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 7 PM MST TUESDAY. 

* TIMING: SOUTHWEST WINDS WILL INCREASE EARLY TUESDAY MORNING 
  AND WILL LAST MUCH OF THE DAY TUESDAY...BEFORE DECREASE 
  TUESDAY EVENING. 

* WINDS: EXPECT SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS FROM 
  45 TO 55 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING A
  HIGH PROFILE VEHICLE. IN ADDITION...SOME AREAS WILL EXPERIENCE
  BLOWING DUST WITH GREATLY REDUCED VISIBILITY. SOME LOCATIONS
  THAT WILL LIKELY BE IMPACTED BY BLOWING DUST INCLUDE THE CHINLE
  VALLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
CONSIDER SECURING LOOSE BELONGINGS ON YOUR PROPERTY. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$
5 follow-up statements
095 
WWUS75 KFGZ 110619
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1119 PM MST MON MAY 10 2010

AZZ012-013-040-111430-
/O.CON.KFGZ.DS.W.0001.100511T1500Z-100512T0200Z/
/O.CON.KFGZ.HW.W.0007.100511T1500Z-100512T0200Z/
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-
NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...WINSLOW...HOLBROOK...SNOWFLAKE...DILKON
1119 PM MST MON MAY 10 2010

...DUST STORM WARNING REMAINS IN EFFECT FROM 8 AM TO 7 PM MST
TUESDAY...
...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM TO 7 PM MST
TUESDAY...

A DUST STORM WARNING REMAINS IN EFFECT FROM 8 AM TO 7 PM MST
TUESDAY. A HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM TO 7 PM
MST TUESDAY. 

* TIMING: SOUTHWEST WINDS WILL INCREASE EARLY TUESDAY MORNING 
  AND WILL LAST MUCH OF THE DAY TUESDAY...BEFORE DECREASING 
  TUESDAY EVENING. 

* WINDS: EXPECT SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS FROM 50
  TO 60 MPH.

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING A
  HIGH PROFILE VEHICLE. IN ADDITION...SOME AREAS WILL EXPERIENCE
  BLOWING DUST WITH GREATLY REDUCED VISIBILITY. SOME LOCATIONS
  THAT WILL LIKELY BE IMPACTED BY BLOWING DUST INCLUDE...INTERSTATE
  40 BETWEEN TWO GUNS AND WINSLOW NORTH TO HIGHWAY 15 FROM LEUPP
  TO DILKON...AND STATE ROUTE 87 FROM INTERSTATE 40 TO SECOND
  MESA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DUST STORM WARNING MEANS AREAS WITH VISIBILITIES LESS THAN ONE
QUARTER MILE ARE EXPECTED DUE TO BLOWING DUST. TRAVEL COULD
BECOME EXTREMELY DANGEROUS. PERSONS WITH RESPIRATORY PROBLEMS
SHOULD MAKE PREPARATIONS TO STAY INDOORS UNTIL THE STORM PASSES.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING...WITH SUSTAINED WIND SPEEDS GREATER THAN 40 MPH OR
GUSTS GREATER THAN 58 MPH. WINDS THIS STRONG CAN CAUSE PROPERTY
DAMAGE. CONTINUE TO MONITOR THE LATEST FORECASTS. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ014-017-111430-
/O.CON.KFGZ.HW.W.0007.100511T1500Z-100512T0200Z/
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-WHITE MOUNTAINS-
INCLUDING THE CITIES OF...ST. JOHNS...SPRINGERVILLE...SHOW LOW
1119 PM MST MON MAY 10 2010

...HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM TO 7 PM MST
TUESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 8 AM TO 7 PM MST
TUESDAY. 

* TIMING: SOUTHWEST WINDS WILL INCREASE EARLY TUESDAY MORNING 
  AND WILL LAST MUCH OF THE DAY TUESDAY...BEFORE DECREASING 
  TUESDAY EVENING. 

* WINDS: EXPECT SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS FROM 
  50 TO 60 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. WINDS THIS STRONG CAN CAUSE PROPERTY 
  DAMAGE. LOCALIZED BLOWING DUST IS POSSIBLE ACROSS THE LITTLE 
  COLORADO RIVER VALLEY...INCLUDING SAINT JOHNS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING...WITH SUSTAINED WIND SPEEDS GREATER THAN 40 MPH OR
GUSTS GREATER THAN 58 MPH. WINDS THIS STRONG CAN CAUSE PROPERTY
DAMAGE. CONTINUE TO MONITOR THE LATEST FORECASTS. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ006>009-011-015-016-038-111430-
/O.CON.KFGZ.WI.Y.0012.100511T1500Z-100512T0200Z/
GRAND CANYON COUNTRY-COCONINO PLATEAU-YAVAPAI COUNTY MOUNTAINS-
NORTHEAST PLATEAUS AND MESAS HWY 264 NORTHWARD-
CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-WESTERN MOGOLLON RIM-
EASTERN MOGOLLON RIM-OAK CREEK AND SYCAMORE CANYONS-
INCLUDING THE CITIES OF...GRAND CANYON VILLAGE...SUPAI...
PRESCOTT...WINDOW ROCK...GANADO...FLAGSTAFF...SEDONA
1119 PM MST MON MAY 10 2010

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 7 PM MST
TUESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 7 PM MST TUESDAY. 

* TIMING: GUSTY WINDS WILL CONTINUE TONIGHT...ESPECIALLY EAST OF 
  THE SAN FRANCISCO PEAKS WHERE GUSTS OVER 50 MPH ARE POSSIBLE. 
  SOUTHWEST WINDS WILL INCREASE EARLY TUESDAY MORNING AND WILL 
  LAST MUCH OF THE DAY TUESDAY...BEFORE DECREASING TUESDAY 
  EVENING. 

* WINDS: EXPECT SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS FROM 
  45 TO 55 MPH. HIGHER GUSTS ARE POSSIBLE EAST OF THE SAN 
  FRANCISCO PEAKS. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
CONSIDER SECURING LOOSE BELONGINGS ON YOUR PROPERTY. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ010-039-111430-
/O.CON.KFGZ.WI.Y.0012.100511T1500Z-100512T0200Z/
CHINLE VALLEY-BLACK MESA AREA-
INCLUDING THE CITIES OF...CHINLE...KAYENTA
1119 PM MST MON MAY 10 2010

...WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 7 PM MST
TUESDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 8 AM TO 7 PM MST TUESDAY. 

* TIMING: SOUTHWEST WINDS WILL INCREASE EARLY TUESDAY MORNING 
  AND WILL LAST MUCH OF THE DAY TUESDAY...BEFORE DECREASE 
  TUESDAY EVENING. 

* WINDS: EXPECT SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS FROM 
  45 TO 55 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING A
  HIGH PROFILE VEHICLE. IN ADDITION...SOME AREAS WILL EXPERIENCE
  BLOWING DUST WITH REDUCED VISIBILITY. SOME LOCATIONS THAT WILL
  LIKELY BE IMPACTED BY BLOWING DUST INCLUDE THE CHINLE VALLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
CONSIDER SECURING LOOSE BELONGINGS ON YOUR PROPERTY. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$
370 
WWUS75 KFGZ 111223
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
523 AM MST TUE MAY 11 2010

AZZ012-013-040-112300-
/O.CON.KFGZ.DS.W.0001.100511T1500Z-100512T0200Z/
/O.CON.KFGZ.HW.W.0007.100511T1500Z-100512T0200Z/
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-
NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...WINSLOW...HOLBROOK...SNOWFLAKE...DILKON
523 AM MST TUE MAY 11 2010

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

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

* TIMING: SOUTHWEST WINDS WILL INCREASE EARLY IN THE MORNING AND
  WILL LAST MUCH OF THE DAY BEFORE DECREASING THIS EVENING.

* WINDS: EXPECT SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS FROM 
  50 TO 65 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. IN ADDITION...SOME AREAS WILL 
  EXPERIENCE BLOWING DUST WITH GREATLY REDUCED VISIBILITY. SOME 
  LOCATIONS THAT WILL LIKELY BE IMPACTED BY BLOWING DUST 
  INCLUDE...INTERSTATE 40 BETWEEN TWO GUNS AND WINSLOW NORTH TO 
  HIGHWAY 15 FROM LEUPP TO DILKON...AND STATE ROUTE 87 FROM 
  INTERSTATE 40 TO SECOND MESA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DUST STORM WARNING MEANS AREAS WITH VISIBILITIES LESS THAN ONE
QUARTER MILE ARE EXPECTED DUE TO BLOWING DUST. TRAVEL COULD
BECOME EXTREMELY DANGEROUS. PERSONS WITH RESPIRATORY PROBLEMS
SHOULD MAKE PREPARATIONS TO STAY INDOORS UNTIL THE STORM PASSES.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING...WITH SUSTAINED WIND SPEEDS GREATER THAN 40 MPH OR
GUSTS GREATER THAN 58 MPH. WINDS THIS STRONG CAN CAUSE PROPERTY
DAMAGE. CONTINUE TO MONITOR THE LATEST FORECASTS. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ014-017-112300-
/O.CON.KFGZ.HW.W.0007.100511T1500Z-100512T0200Z/
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-WHITE MOUNTAINS-
INCLUDING THE CITIES OF...ST. JOHNS...SPRINGERVILLE...SHOW LOW
523 AM MST TUE MAY 11 2010

...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. 

* TIMING: SOUTHWEST WINDS WILL INCREASE EARLY IN THE MORNING AND
  WILL LAST MUCH OF THE DAY BEFORE DECREASING THIS EVENING.

* WINDS: EXPECT SOUTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS FROM 
  50 TO 65 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. WINDS THIS STRONG CAN CAUSE PROPERTY 
  DAMAGE. LOCALIZED BLOWING DUST IS POSSIBLE ACROSS THE LITTLE 
  COLORADO RIVER VALLEY...INCLUDING SAINT JOHNS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING...WITH SUSTAINED WIND SPEEDS GREATER THAN 40 MPH OR
GUSTS GREATER THAN 58 MPH. WINDS THIS STRONG CAN CAUSE PROPERTY
DAMAGE. CONTINUE TO MONITOR THE LATEST FORECASTS. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ006>009-011-015-016-038-112300-
/O.CON.KFGZ.WI.Y.0012.100511T1500Z-100512T0200Z/
GRAND CANYON COUNTRY-COCONINO PLATEAU-YAVAPAI COUNTY MOUNTAINS-
NORTHEAST PLATEAUS AND MESAS HWY 264 NORTHWARD-
CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-WESTERN MOGOLLON RIM-
EASTERN MOGOLLON RIM-OAK CREEK AND SYCAMORE CANYONS-
INCLUDING THE CITIES OF...GRAND CANYON VILLAGE...SUPAI...
PRESCOTT...WINDOW ROCK...GANADO...FLAGSTAFF...SEDONA
523 AM MST TUE MAY 11 2010

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

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

* TIMING: GUSTY WINDS WILL CONTINUE THIS MORNING...ESPECIALLY EAST
  OF THE SAN FRANCISCO PEAKS WHERE GUSTS OVER 50 MPH ARE POSSIBLE.
  SOUTHWEST WINDS WILL INCREASE IN THE MORNING AND WILL LAST MUCH
  OF THE DAY BEFORE DECREASING IN THE EVENING.

* WINDS: EXPECT SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS FROM 
  45 TO 55 MPH. HIGHER GUSTS ARE POSSIBLE EAST OF THE SAN 
  FRANCISCO PEAKS. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
CONSIDER SECURING LOOSE BELONGINGS ON YOUR PROPERTY. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ010-039-112300-
/O.CON.KFGZ.WI.Y.0012.100511T1500Z-100512T0200Z/
CHINLE VALLEY-BLACK MESA AREA-
INCLUDING THE CITIES OF...CHINLE...KAYENTA
523 AM MST TUE MAY 11 2010

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

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

* TIMING: SOUTHWEST WINDS WILL INCREASE IN THE MORNING AND WILL
  LAST MUCH OF THE DAY BEFORE DECREASING THIS EVENING.

* WINDS: EXPECT SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS FROM 
  45 TO 55 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. IN ADDITION...SOME AREAS WILL 
  EXPERIENCE BLOWING DUST WITH REDUCED VISIBILITY. SOME 
  LOCATIONS THAT WILL LIKELY BE IMPACTED BY BLOWING DUST INCLUDE 
  THE CHINLE VALLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
CONSIDER SECURING LOOSE BELONGINGS ON YOUR PROPERTY. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$
266 
WWUS75 KFGZ 111309
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
609 AM MST TUE MAY 11 2010

AZZ012-013-040-112300-
/O.EXT.KFGZ.DS.W.0001.100511T1309Z-100512T0200Z/
/O.EXT.KFGZ.HW.W.0007.100511T1309Z-100512T0200Z/
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-
NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...WINSLOW...HOLBROOK...SNOWFLAKE...DILKON
609 AM MST TUE MAY 11 2010

...DUST STORM WARNING NOW IN EFFECT UNTIL 7 PM MST THIS EVENING...
...HIGH WIND WARNING NOW IN EFFECT UNTIL 7 PM MST THIS EVENING...

THE DUST STORM WARNING IS NOW IN EFFECT UNTIL 7 PM MST THIS
EVENING. THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 7 PM MST
THIS EVENING. 

* TIMING: SOUTHWEST WINDS WILL INCREASE EARLY IN THE MORNING AND 
  WILL LAST MUCH OF THE DAY BEFORE DECREASING THIS EVENING. 

* WINDS: EXPECT SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS FROM 
  50 TO 65 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. IN ADDITION...SOME AREAS WILL 
  EXPERIENCE BLOWING DUST WITH GREATLY REDUCED VISIBILITY. SOME 
  LOCATIONS THAT WILL LIKELY BE IMPACTED BY BLOWING DUST 
  INCLUDE...INTERSTATE 40 BETWEEN TWO GUNS AND WINSLOW NORTH TO 
  HIGHWAY 15 FROM LEUPP TO DILKON...AND STATE ROUTE 87 FROM 
  INTERSTATE 40 TO SECOND MESA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DUST STORM WARNING MEANS AREAS WITH VISIBILITIES LESS THAN ONE
QUARTER MILE ARE EXPECTED DUE TO BLOWING DUST. TRAVEL COULD
BECOME EXTREMELY DANGEROUS. PERSONS WITH RESPIRATORY PROBLEMS
SHOULD MAKE PREPARATIONS TO STAY INDOORS UNTIL THE STORM PASSES.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING...WITH SUSTAINED WIND SPEEDS GREATER THAN 40 MPH OR
GUSTS GREATER THAN 58 MPH. WINDS THIS STRONG CAN CAUSE PROPERTY
DAMAGE. CONTINUE TO MONITOR THE LATEST FORECASTS. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ014-017-112300-
/O.EXT.KFGZ.HW.W.0007.100511T1309Z-100512T0200Z/
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-WHITE MOUNTAINS-
INCLUDING THE CITIES OF...ST. JOHNS...SPRINGERVILLE...SHOW LOW
609 AM MST TUE MAY 11 2010

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

THE HIGH WIND WARNING IS NOW IN EFFECT UNTIL 7 PM MST THIS
EVENING. 

* TIMING: SOUTHWEST WINDS WILL INCREASE IN THE MORNING AND WILL
  LAST MUCH OF THE DAY BEFORE DECREASING THIS EVENING.

* WINDS: EXPECT SOUTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS FROM 
  50 TO 65 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. WINDS THIS STRONG CAN CAUSE PROPERTY 
  DAMAGE. LOCALIZED BLOWING DUST IS POSSIBLE ACROSS THE LITTLE 
  COLORADO RIVER VALLEY...INCLUDING SAINT JOHNS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING...WITH SUSTAINED WIND SPEEDS GREATER THAN 40 MPH OR
GUSTS GREATER THAN 58 MPH. WINDS THIS STRONG CAN CAUSE PROPERTY
DAMAGE. CONTINUE TO MONITOR THE LATEST FORECASTS. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ006>009-011-015-016-038-112300-
/O.EXT.KFGZ.WI.Y.0012.100511T1309Z-100512T0200Z/
GRAND CANYON COUNTRY-COCONINO PLATEAU-YAVAPAI COUNTY MOUNTAINS-
NORTHEAST PLATEAUS AND MESAS HWY 264 NORTHWARD-
CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-WESTERN MOGOLLON RIM-
EASTERN MOGOLLON RIM-OAK CREEK AND SYCAMORE CANYONS-
INCLUDING THE CITIES OF...GRAND CANYON VILLAGE...SUPAI...
PRESCOTT...WINDOW ROCK...GANADO...FLAGSTAFF...SEDONA
609 AM MST TUE MAY 11 2010

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

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 PM MST THIS EVENING. 

* TIMING: GUSTY WINDS WILL CONTINUE THIS MORNING...ESPECIALLY 
  EAST OF THE SAN FRANCISCO PEAKS WHERE GUSTS OVER 50 MPH ARE 
  POSSIBLE. SOUTHWEST WINDS WILL INCREASE IN THE MORNING AND 
  WILL LAST MUCH OF THE DAY BEFORE DECREASING IN THE EVENING. 

* WINDS: EXPECT SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS FROM 
  45 TO 55 MPH. HIGHER GUSTS ARE POSSIBLE EAST OF THE SAN 
  FRANCISCO PEAKS. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
CONSIDER SECURING LOOSE BELONGINGS ON YOUR PROPERTY. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ010-039-112300-
/O.EXT.KFGZ.WI.Y.0012.100511T1309Z-100512T0200Z/
CHINLE VALLEY-BLACK MESA AREA-
INCLUDING THE CITIES OF...CHINLE...KAYENTA
609 AM MST TUE MAY 11 2010

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

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 7 PM MST THIS EVENING. 

* TIMING: SOUTHWEST WINDS WILL INCREASE IN THE MORNING AND WILL 
  LAST MUCH OF THE DAY BEFORE DECREASING THIS EVENING. 

* WINDS: EXPECT SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS FROM 
  45 TO 55 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. IN ADDITION...SOME AREAS WILL 
  EXPERIENCE BLOWING DUST WITH REDUCED VISIBILITY. SOME 
  LOCATIONS THAT WILL LIKELY BE IMPACTED BY BLOWING DUST INCLUDE 
  THE CHINLE VALLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
CONSIDER SECURING LOOSE BELONGINGS ON YOUR PROPERTY. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$
648 
WWUS75 KFGZ 112103
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
203 PM MST TUE MAY 11 2010

AZZ012-013-040-120200-
/O.CON.KFGZ.DS.W.0001.000000T0000Z-100512T0200Z/
/O.CON.KFGZ.HW.W.0007.000000T0000Z-100512T0200Z/
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-
NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...WINSLOW...HOLBROOK...SNOWFLAKE...DILKON
203 PM MST TUE MAY 11 2010

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

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

* TIMING: STRONG SOUTHWEST WINDS WILL CONTINUE THROUGH THE
  AFTERNOON BEFORE DECREASING EARLY THIS EVENING.

* WINDS: EXPECT SOUTHWEST WINDS OF 35 TO 45 MPH WITH GUSTS FROM 
  50 TO 65 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. IN ADDITION...SOME AREAS WILL 
  EXPERIENCE BLOWING DUST WITH GREATLY REDUCED VISIBILITY. SOME 
  LOCATIONS THAT WILL LIKELY BE IMPACTED BY BLOWING DUST 
  INCLUDE...INTERSTATE 40 BETWEEN TWO GUNS AND WINSLOW NORTH TO 
  HIGHWAY 15 FROM LEUPP TO DILKON...AND STATE ROUTE 87 FROM 
  INTERSTATE 40 TO SECOND MESA. 

SOME PEAK WIND GUSTS REPORTED AS OF 130 PM MST THIS AFTERNOON
INCLUDE...

WINSLOW .................... 58 MPH. 
I-40 NEAR TWO GUNS ......... 77 MPH. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DUST STORM WARNING MEANS AREAS WITH VISIBILITIES LESS THAN ONE
QUARTER MILE ARE EXPECTED DUE TO BLOWING DUST. TRAVEL COULD
BECOME EXTREMELY DANGEROUS. PERSONS WITH RESPIRATORY PROBLEMS
SHOULD MAKE PREPARATIONS TO STAY INDOORS UNTIL THE STORM PASSES.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING...WITH SUSTAINED WIND SPEEDS GREATER THAN 40 MPH OR
GUSTS GREATER THAN 58 MPH. WINDS THIS STRONG CAN CAUSE PROPERTY
DAMAGE. CONTINUE TO MONITOR THE LATEST FORECASTS. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ014-017-120200-
/O.CON.KFGZ.HW.W.0007.000000T0000Z-100512T0200Z/
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-WHITE MOUNTAINS-
INCLUDING THE CITIES OF...ST. JOHNS...SPRINGERVILLE...SHOW LOW
203 PM MST TUE MAY 11 2010

...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. 

* TIMING: STRONG SOUTHWEST WINDS WILL CONTINUE THROUGH THE
  AFTERNOON BEFORE DECREASING THIS EVENING.

* WINDS: EXPECT SOUTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS FROM 
  50 TO 65 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. WINDS THIS STRONG CAN CAUSE PROPERTY 
  DAMAGE. LOCALIZED BLOWING DUST IS POSSIBLE ACROSS THE LITTLE 
  COLORADO RIVER VALLEY...INCLUDING SAINT JOHNS. 

SOME PEAK WIND GUSTS REPORTED AS OF 130 PM MST THIS AFTERNOON
INCLUDE...

ST. JOHNS .................. 55 MPH. 
SHOW LOW ................... 60 MPH.
LUPTON ..................... 62 MPH. 
GREER ...................... 52 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING...WITH SUSTAINED WIND SPEEDS GREATER THAN 40 MPH OR
GUSTS GREATER THAN 58 MPH. WINDS THIS STRONG CAN CAUSE PROPERTY
DAMAGE. CONTINUE TO MONITOR THE LATEST FORECASTS. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ006>009-011-015-016-038-120200-
/O.CON.KFGZ.WI.Y.0012.000000T0000Z-100512T0200Z/
GRAND CANYON COUNTRY-COCONINO PLATEAU-YAVAPAI COUNTY MOUNTAINS-
NORTHEAST PLATEAUS AND MESAS HWY 264 NORTHWARD-
CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-WESTERN MOGOLLON RIM-
EASTERN MOGOLLON RIM-OAK CREEK AND SYCAMORE CANYONS-
INCLUDING THE CITIES OF...GRAND CANYON VILLAGE...SUPAI...
PRESCOTT...WINDOW ROCK...GANADO...FLAGSTAFF...SEDONA
203 PM MST TUE MAY 11 2010

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

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

* TIMING: STRONG AND GUSTY WINDS WILL CONTINUE THIS
  AFTERNOON...ESPECIALLY EAST OF THE SAN FRANCISCO PEAKS WHERE
  GUSTS OVER 50 MPH ARE POSSIBLE. THESE STRONG SOUTHWEST WINDS
  WILL CONTINUE THROUGH THE AFTERNOON BEFORE DECREASING IN THE
  EVENING.

* WINDS: EXPECT SOUTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS FROM 
  40 TO 55 MPH. HIGHER GUSTS ARE POSSIBLE EAST OF THE SAN 
  FRANCISCO PEAKS. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. 

SOME PEAK WIND GUSTS REPORTED AS OF 130 PM MST THIS AFTERNOON
INCLUDE...

FLAGSTAFF AIRPORT .......... 59 MPH. 
DONEY PARK ................. 54 MPH.
GRAND CANYON ............... 43 MPH. 
SEDONA ..................... 43 MPH. 
WILLIAMS ................... 51 MPH.
PRESCOTT ................... 37 MPH.
WINDOW ROCK ................ 58 MPH. 
HEBER ...................... 47 MPH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
CONSIDER SECURING LOOSE BELONGINGS ON YOUR PROPERTY. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$

AZZ010-039-120200-
/O.CON.KFGZ.WI.Y.0012.000000T0000Z-100512T0200Z/
CHINLE VALLEY-BLACK MESA AREA-
INCLUDING THE CITIES OF...CHINLE...KAYENTA
203 PM MST TUE MAY 11 2010

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

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

* TIMING: STRONG SOUTHWEST WINDS WILL CONTINUE THIS AFTERNOON
  BEFORE DECREASING THIS EVENING.

* WINDS: EXPECT SOUTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS FROM 
  45 TO 55 MPH. 

* IMPACTS: DANGEROUS CROSS WINDS...ESPECIALLY IF YOU ARE DRIVING 
  A HIGH PROFILE VEHICLE. IN ADDITION...SOME AREAS WILL 
  EXPERIENCE BLOWING DUST WITH REDUCED VISIBILITY. SOME 
  LOCATIONS THAT WILL LIKELY BE IMPACTED BY BLOWING DUST INCLUDE 
  THE CHINLE VALLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 30 TO 39 MPH...OR
GUSTS FROM 40 TO 57 MPH...ARE EXPECTED. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
CONSIDER SECURING LOOSE BELONGINGS ON YOUR PROPERTY. ADDITIONAL
WEATHER INFORMATION IS ON THE WEB AT WWW.WEATHER.GOV/FLAGSTAFF.

&&

$$
733 
WWUS75 KFGZ 120159
NPWFGZ

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
659 PM MST TUE MAY 11 2010

AZZ012-013-040-120300-
/O.EXP.KFGZ.DS.W.0001.000000T0000Z-100512T0200Z/
/O.EXP.KFGZ.HW.W.0007.000000T0000Z-100512T0200Z/
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-
NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264-
INCLUDING THE CITIES OF...WINSLOW...HOLBROOK...SNOWFLAKE...DILKON
659 PM MST TUE MAY 11 2010

...DUST STORM WARNING WILL EXPIRE AT 7 PM MST THIS EVENING...
...HIGH WIND WARNING WILL EXPIRE AT 7 PM MST THIS EVENING...

THE DUST STORM WARNING WILL EXPIRE AT 7 PM MST THIS EVENING. THE
HIGH WIND WARNING WILL EXPIRE AT 7 PM MST THIS EVENING. 

WINDS WILL CONTINUE TO DECREASE THIS EVENING...TO UNDER 15 MPH IN
MOST LOCATIONS BY 8 PM MST. SOME RESIDUAL DUST WILL PERSIST FOR
THE NEXT FEW HOURS MAINLY NORTHEAST OF WINSLOW DUE TO HIGH WINDS
EARLIER TODAY...BUT VISIBILITIES SHOULD CONTINUE TO RAPIDLY
IMPROVE THROUGH THE EVENING.

$$

AZZ014-017-120300-
/O.EXP.KFGZ.HW.W.0007.000000T0000Z-100512T0200Z/
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-WHITE MOUNTAINS-
INCLUDING THE CITIES OF...ST. JOHNS...SPRINGERVILLE...SHOW LOW
659 PM MST TUE MAY 11 2010

...HIGH WIND WARNING WILL EXPIRE AT 7 PM MST THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 7 PM MST THIS EVENING. 

WINDS WILL CONTINUE TO DECREASE THROUGH THE EVENING
HOURS...FALLING BELOW 15 MPH IN MOST AREAS BY 8 PM MST.

$$

AZZ006>009-011-015-016-038-120300-
/O.EXP.KFGZ.WI.Y.0012.000000T0000Z-100512T0200Z/
GRAND CANYON COUNTRY-COCONINO PLATEAU-YAVAPAI COUNTY MOUNTAINS-
NORTHEAST PLATEAUS AND MESAS HWY 264 NORTHWARD-
CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-WESTERN MOGOLLON RIM-
EASTERN MOGOLLON RIM-OAK CREEK AND SYCAMORE CANYONS-
INCLUDING THE CITIES OF...GRAND CANYON VILLAGE...SUPAI...
PRESCOTT...WINDOW ROCK...GANADO...FLAGSTAFF...SEDONA
659 PM MST TUE MAY 11 2010

...WIND ADVISORY WILL EXPIRE AT 7 PM MST THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 7 PM MST THIS EVENING.
 
WINDS WILL CONTINUE TO DECREASE THROUGH THE EVENING
HOURS...FALLING BELOW 15 MPH IN MOST AREAS BY 8 PM MST.


$$

AZZ010-039-120300-
/O.EXP.KFGZ.WI.Y.0012.000000T0000Z-100512T0200Z/
CHINLE VALLEY-BLACK MESA AREA-
INCLUDING THE CITIES OF...CHINLE...KAYENTA
659 PM MST TUE MAY 11 2010

...WIND ADVISORY WILL EXPIRE AT 7 PM MST THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 7 PM MST THIS EVENING. 

WINDS WILL CONTINUE TO DECREASE THROUGH THE EVENING
HOURS...FALLING BELOW 15 MPH IN MOST AREAS BY 8 PM MST.

$$

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 May 10, 8:55 PM MST, 1 hour 32 minutes earlier.

Area forecast discussion, May 10, 8:55 PM MST, 1 hour 32 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
855 PM MST MON MAY 10 2010

.SYNOPSIS...EXPECT BREEZY CONDITIONS OVERNIGHT AHEAD OF ANOTHER
STORM DUE TUESDAY. THIS NEXT SYSTEM WILL BRING ANOTHER ROUND OF
STRONG WINDS TO THE STATE LATE TONIGHT THROUGH TUESDAY AS WELL AS
COLDER TEMPERATURES...AND A CHANCE OF RAIN AND SNOW SHOWERS FROM
FLAGSTAFF NORTHWARD. LIGHTER WINDS AND WARMER TEMPERATURES ARE
EXPECTED TOWARD THE END OF THE WEEK.

&&

.DISCUSSION...AT 830 PM...A FAST MOVING LATE-SEASON STORM SYSTEM WAS
CENTERED OVER NORTHERN CALIFORNIA...HEADED SOUTHEASTWARD. WINDS
ALOFT ARE ALREADY INCREASING ACROSS NORTHERN ARIZONA...AND BREEZY
WINDS WILL CONTINUE ALL NIGHT. DOWNSLOPE REGIONS INCLUDING LOCATIONS
NORTHEAST OF THE SAN FRANCISCO PEAKS MAY SEE GUSTS IN EXCESS OF 45
MPH OVERNIGHT. THE SYSTEM IS FORECAST TO BE OVER SRN NEVADA/SW UTAH
BY SUNRISE...THEN EAST OF THE STATE BY LATE TUESDAY EVENING. EXPECT
SOUTHWEST WINDS TO INCREASE QUICKLY AFTER SUNRISE ACROSS CENTRAL AND
EASTERN ARIZONA. THE STRONGEST WINDS WILL DEVELOP OVER EAST CENTRAL
ARIZONA...INCLUDING WINSLOW...ST JOHNS AND SHOW LOW...WHERE EARLIER
MODEL GUIDANCE SUGGESTED SUSTAINED WINDS NEAR 40 MPH. WILL CONSIDER
UPGRADING THESE AREAS TO A HIGH WIND WARNING FOR TUESDAY AFTER A
LOOK AT 00Z MODEL RUNS. ANOTHER ROUND OF BLOWING DUST WILL DEVELOP
FROM AROUND WINSLOW NORTHEASTWARD...POSSIBLY AS EARLY AS 7-8 AM AND
CONTINUING INTO THE AFTERNOON. SOME AREAS MAY SEE GREATLY REDUCED
VISIBILITY RESULTING IN DIFFICULT DRIVING CONDITIONS...INCLUDING
PORTIONS OF INTERSTATE 40. ALSO...TEMPERATURES WILL BE AS MUCH AS 15
DEGREES BELOW NORMAL.

THIS FRONT WILL NOT HAVE MUCH MOISTURE TO WORK WITH...BUT ENOUGH
WILL POOL ALONG THE FRONT FOR SCATTERED RAIN AND SNOW SHOWERS TO
DEVELOP FROM FLAGSTAFF NORTHWARD. THE HEAVIER SHOWERS ALONG THE UTAH
BORDER MAY ACTUALLY DUST THE GROUND WHITE ABOVE 7000 FEET TUESDAY
AFTERNOON. THESE SHOWERS WILL LINGER BEHIND THE FRONT INTO WEDNESDAY
AS THE ATMOSPHERE DESTABILIZES...BUT MOST ACTIVITY WILL BE LIGHT.

MUCH WARMER AND LESS WINDY CONDITIONS WILL DEVELOP LATER IN THE WEEK
AS RIDGE DEVELOPS OVER THE SOUTHWEST.

&&

.AVIATION...FOR THE 06Z PACKAGE...SOUTHWEST WINDS OF 10-20G25-30KT
WILL CONTINUE INTO THE EVENING AND OVERNIGHT HOURS. BY THE DAYLIGHT
HRS TUESDAY...WINDS WILL INCREASE A BIT FURTHER WITH GUSTS TO
45-50KT POSSIBLE IN FAVORED LOCATIONS. A SLIGHT CHANCE OF
SHOWERS...PRIMARILY NORTH OF A KGCN-KRQE LINE...WILL DEVELOP AFTER
11Z TUESDAY. ALSO...AREAS OF BLOWING DUST WILL DEVELOP ALONG AND
NORTH OF I-40 IN EAST CENTRAL ARIZONA TUESDAY MORNING THROUGH THE
AFTERNOON. OTHERWISE...VFR CONDITIONS EXPECTED FOR THE NEXT 24
HOURS. AVIATION DISCUSSION NOT UPDATED FOR AMENDMENTS.

&&

.FIRE WEATHER...ANOTHER LOW PRESSURE SYSTEM WILL MOVE INTO AND
ACROSS NORTHERN ARIZONA TONIGHT AND TUESDAY. COOLER TEMPS AND VERY
STRONG WINDS WILL DEVELOP...ESPECIALLY FROM FLAGSTAFF
NORTHEASTWARD...RESULTING IN CRITICAL FIRE WEATHER CONDITIONS. A RED
FLAG WARNING HAS BEEN ISSUED FOR TUESDAY FOR EAST CENTRAL AND
NORTHEAST ARIZONA. BY WEDNESDAY...WARMER TEMPERATURES AND LIGHTER
WINDS WILL RETURN TO NORTHERN ARIZONA.

THURSDAY THROUGH SATURDAY...GRADUALLY WARMING DAYTIME TEMPERATURES
WITH LIGHTER WINDS ARE ANTICIPATED THROUGH THE PERIOD AND CRITICAL
FIRE WEATHER CONDITIONS ARE NOT EXPECTED.

&&

.FGZ WATCHES/WARNINGS/ADVISORIES...

RED FLAG WARNING FROM TUESDAY MORNING THROUGH TUESDAY EVENING FOR FIRE WX
ZONES AZZ110>114-140.

WIND ADVISORY FROM 8 AM MST UNTIL 7 PM MST TUESDAY AZ ZONES
AZZ006>017-038>040.

&&

PUBLIC...................JJ
AVIATION/FIRE WEATHER....JJ

VISIT WEATHER.GOV/FLAGSTAFF FOR NORTHERN ARIZONA WEATHER INFORMATION.
Hazardous weather outlook, May 10, 8:09 PM MST, 2 hours 18 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
809 PM MST MON MAY 10 2010

AZZ004>018-037>040-111300-
WESTERN MOGOLLON RIM-GRAND CANYON COUNTRY-YAVAPAI COUNTY MOUNTAINS-
YAVAPAI COUNTY VALLEYS AND BASINS-OAK CREEK AND SYCAMORE CANYONS-
MARBLE AND GLEN CANYONS-KAIBAB PLATEAU-COCONINO PLATEAU-
NORTHEAST PLATEAU AND MESAS HWY 264 NORTHWARD-
NORTHEAST PLATEAU AND MESAS SOUTH OF HWY 264-
CHINLE VALLEY-CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
BLACK MESA AREA-LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-
EASTERN MOGOLLON RIM-WHITE MOUNTAINS-NORTHERN GILA COUNTY-
809 PM MST MON MAY 10 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO...NORTHERN
GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA.

.DAY ONE...REST OF TODAY

BREEZY AND GUSTY SOUTHWEST WINDS WILL CONTINUE ACROSS THE AREA INTO
TONIGHT AS ANOTHER COLD FRONT APPROACHES THE STATE. WIND GUSTS MAY
LOCALLY EXCEED 40 MPH OVER DOWNSLOPE REGIONS...INCLUDING THE HIGHWAY
89 CORRIDOR FROM DONEY PARK TO GRAY MOUNTAIN...AND THE HOUSEROCK
VALLEY.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ANOTHER PACIFIC STORM SYSTEM WILL MOVE THROUGH THE REGION TUESDAY.
WINDS WILL INCREASE DURING THE EARLY MORNING HOURS TUESDAY...AND A
WIND ADVISORY HAS BEEN ISSUED FOR MUCH OF NORTHERN AND CENTRAL
ARIZONA THROUGH EARLY TUESDAY EVENING. SEE PHXNPWFGZ FOR DETAILS.
CRITICAL FIRE WEATHER CONDITIONS ARE ALSO EXPECTED ACROSS EAST
CENTRAL ARIZONA...AND A RED FLAG WARNING HAS BEEN ISSUED FOR
TUESDAY.

The office that day

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

IssuedProductOfficeCountiesLasted
May 10, 7:55 PM MSTRed Flag WarningFGZApache, Coconino, Navajo24 hr
May 10, 10:27 PM MSTDust Storm WarningFGZApache, Coconino, Navajo21 hr

Nearby

High Wind Warnings in Arizona, 2010Every high wind warning in 2010

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.