Alert archive / Arizona / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 188, NWS Flagstaff, AZ

July 27, 2006Coconino County, Arizona

NWS Flagstaff, AZ issued this severe thunderstorm warning at Jul 27, 2006, 3:59 PM MST for Coconino County, Arizona. It was in force for 31 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 27, 2006, 3:59 PM MST (22:59 UTC)
Expired
Jul 27, 2006, 4:30 PM MST
In force
31 min
Issued by
NWS Flagstaff, AZ
Area
Counties, with a storm outline in the text

County Coconino County, AZ

The radar

The Flagstaff radar (KFSX), 150 km from the middle of the area, began a volume at 22:59 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 severe thunderstorm 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 severe thunderstorm warning went out at Jul 27, 3:15 PM MST, 44 minutes earlier.

Area forecast discussion, Jul 27, 3:15 PM MST, 44 minutes before
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Hazardous weather outlook, Jul 27, 10:00 AM MST, 5 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
1000 AM MST THU JUL 27 2006

AZZ004>018-037>040-280700-
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-
1000 AM MST THU JUL 27 2006

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

.DAY ONE...TODAY

SUBSTANTIAL TROPICAL MOISTURE REMAINS IN PLACE ACROSS MUCH OF THE
STATE THIS MORNING. THUS...EXPECT ANOTHER ROUND OF SHOWERS AND
THUNDERSTORMS TO DEVELOP THIS AFTERNOON AND CONTINUE INTO THE
EVENING. ADDITIONALLY...STRENGTHENING WINDS ALOFT WILL RESULT IN
STRONGER SHEAR ACROSS THE REGION. THE COMBINATION OF STEEP LAPSE
RATES...INCREASED SHEAR...AND TROPICAL MOISTURE WILL RESULT IN SOME
STORMS POSSIBLY BECOMING STRONG OR SEVERE...WITH HAIL OCCASIONALLY
IN EXCESS OF THREE QUARTERS OF AN INCH AND STRONG GUSTS EXCEEDING 45
MPH POSSIBLE. ALONG WITH THESE CONDITIONS...HEAVY RAIN CAN BE
EXPECTED RESULTING IN LOCALLY EXCESSIVE RUNOFF. THE BULK OF THE
ACTIVITY IS ANTICIPATED ACROSS SOUTHERN COCONINO...YAVAPAI...AND
NORTHERN GILA COUNTIES...INCLUDING THE MOGOLLON RIM AND WHITE
MOUNTAINS AS WELL.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

A CHANCE OF SHOWERS AND THUNDERSTORMS WILL CONTINUE EACH DAY AS
ARIZONA REMAINS UNDER A MOIST AND UNSTABLE AIRMASS.

.SPOTTER INFORMATION STATEMENT...

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

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 26, 5:39 PM MSTSevere Thunderstorm WarningFGZNavajo51 min
Jul 26, 6:34 PM MSTSevere Thunderstorm WarningFGZNavajo26 min
Jul 26, 7:00 PM MSTSevere Thunderstorm WarningFGZNavajo45 min
Jul 26, 7:48 PM MSTSevere Thunderstorm WarningFGZGila, Navajo57 min
Jul 26, 8:18 PM MSTSevere Thunderstorm WarningFGZCoconino42 min
Jul 26, 8:45 PM MSTFlash Flood WarningFGZCoconino30 min
Jul 27, 1:11 PM MSTSevere Thunderstorm WarningFGZCoconino24 min
Jul 27, 2:46 PM MSTSevere Thunderstorm WarningFGZCoconino29 min
Jul 27, 3:11 PM MSTSevere Thunderstorm WarningFGZCoconino34 min
Jul 27, 3:20 PM MSTSevere Thunderstorm WarningFGZCoconino25 min
Jul 27, 3:30 PM MSTFlash Flood WarningFGZCoconino60 min
Jul 27, 3:42 PM MSTTornado WarningFGZCoconino18 min
Jul 27, 4:28 PM MSTSevere Thunderstorm WarningFGZCoconino, Yavapai32 min
Jul 27, 4:32 PM MSTSevere Thunderstorm WarningFGZCoconino28 min
Jul 27, 4:58 PM MSTSevere Thunderstorm WarningFGZCoconino, Yavapai32 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2006Every severe thunderstorm warning in 2006

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.