Alert archive / Arizona / Red Flag Warnings in 2010

Red Flag Warning 8, NWS Flagstaff, AZ

May 17, 2010Apache County, Coconino County, Navajo County, Arizona

NWS Flagstaff, AZ issued this red flag warning at May 17, 2010, 4:45 AM MST for Apache County, Coconino County, Navajo County, Arizona. It took effect at May 17, 2010, 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
May 17, 2010, 4:45 AM MST (11:45 UTC)
In effect from
May 17, 2010, 12:00 PM MST
Expired
May 17, 2010, 6:45 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 11:46 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 May 17, 3:30 AM MST, 1 hour 15 minutes earlier.

Area forecast discussion, May 17, 3:30 AM MST, 1 hour 15 minutes before
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Hazardous weather outlook, May 17, 3:52 AM MST, 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
352 AM MST MON MAY 17 2010

AZZ009>014-039-040-180300-
NORTHEAST PLATEAUS AND MESAS HWY 264 NORTHWARD-CHINLE VALLEY-
CHUSKA MOUNTAINS AND DEFIANCE PLATEAU-
LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-
LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY-
LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY-BLACK MESA AREA-
NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264-
352 AM MST MON MAY 17 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ARIZONA AND NORTHEAST ARIZONA.

.DAY ONE...TODAY AND TONIGHT

GUSTY SOUTHWEST WINDS WILL DEVELOP THIS AFTERNOON AS A LOW PRESSURE
SYSTEM APPROACHES NORTHERN ARIZONA. ALONG WITH THE GUSTY WINDS...LOW
RELATIVE HUMIDITIES WILL AFFECT PORTIONS OF EAST CENTRAL AND NORTHEAST
ARIZONA CREATING CRITICAL FIRE WEATHER CONDITIONS...AND A RED FLAG
WARNING HAS BEEN ISSUED FOR THIS AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM IS FORECAST TO MOVE INTO
THE WESTERN UNITED STATES BY FRIDAY AND SATURDAY. VERY STRONG
SOUTHWEST WINDS ARE POSSIBLE...ALONG WITH A RETURN OF BLOWING DUST
WITH POOR VISIBILITY ACROSS EAST CENTRAL AND NORTHEAST ARIZONA.

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 3:23 PM MSTWind AdvisoryFGZApache, Coconino, Navajo27 hr

Nearby

Red Flag Warnings in Arizona, 2010Every red flag 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; radar from the NEXRAD Level II archive.