Alert archive / Arizona / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 192, NWS Flagstaff, AZ

July 27, 2006Coconino County, Yavapai County, Arizona

NWS Flagstaff, AZ issued this severe thunderstorm warning at Jul 27, 2006, 5:10 PM MST for Coconino County, Yavapai County, Arizona. It was in force for 15 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, 5:10 PM MST (00:10 UTC)
Expired
Jul 27, 2006, 5:25 PM MST
In force
15 min
Issued by
NWS Flagstaff, AZ
Area
Counties, with a storm outline in the text

Counties Coconino County, AZ, Yavapai County, AZ

The radar

The Flagstaff radar (KFSX), 113 km from the middle of the area, began a volume at 00:13 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.

The nearest sounding before it

Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 0.2 hours before the alert went out and 33 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 2006-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1548 joules per kilogram.LCLLFCEL10008507005003002001001 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 2006-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.193958Sfc1 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
1548 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1153 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
203 m²/s²
Significant tornado parameter
0.9
Supercell composite
6.6

Open this sounding in Storm Lab

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, 1 hour 55 minutes earlier.

Area forecast discussion, Jul 27, 3:15 PM MST, 1 hour 55 minutes before
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Hazardous weather outlook, Jul 27, 10:00 AM MST, 7 hours 10 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 27, 5:29 PM MSTSevere Thunderstorm WarningFGZCoconino, Yavapai22 min
Jul 27, 6:00 PM MSTSevere Thunderstorm WarningFGZNavajo30 min
Jul 27, 6:29 PM MSTSevere Thunderstorm WarningFGZNavajo14 min
Jul 27, 7:03 PM MSTSevere Thunderstorm WarningFGZCoconino27 min
Jul 27, 8:08 PM MSTSevere Thunderstorm WarningFGZApache37 min
Jul 27, 9:02 PM MSTSevere Thunderstorm WarningFGZApache28 min
Jul 27, 9:31 PM MSTSevere Thunderstorm WarningFGZApache29 min
Jul 27, 11:23 PM MSTSevere Thunderstorm WarningFGZGila, Navajo37 min
Jul 28, 9:56 AM MSTFlash Flood WatchFGZApache, Coconino, Gila, Navajo, Yavapai11 hr
Jul 28, 10:50 AM MSTSevere Thunderstorm WarningFGZApache, Gila, Navajo25 min
Jul 28, 11:14 AM MSTSevere Thunderstorm WarningFGZGila, Navajo31 min
Jul 28, 12:03 PM MSTSevere Thunderstorm WarningFGZCoconino27 min
Jul 28, 12:19 PM MSTTornado WarningFGZGila26 min
Jul 28, 12:22 PM MSTSevere Thunderstorm WarningFGZGila23 min
Jul 28, 12:24 PM MSTSevere Thunderstorm WarningFGZGila14 min
Jul 28, 12:27 PM MSTSevere Thunderstorm WarningFGZCoconino33 min
Jul 28, 12:31 PM MSTSevere Thunderstorm WarningFGZGila29 min
Jul 28, 12:31 PM MSTSevere Thunderstorm WarningFGZCoconino11 min
Jul 28, 12:45 PM MSTTornado WarningFGZGila15 min
Jul 28, 12:45 PM MSTTornado WarningFGZGila15 min
Jul 28, 12:53 PM MSTSevere Thunderstorm WarningFGZGila37 min
Jul 28, 12:59 PM MSTSevere Thunderstorm WarningFGZCoconino31 min
Jul 28, 1:00 PM MSTSevere Thunderstorm WarningFGZGila30 min
Jul 28, 1:06 PM MSTTornado WarningFGZGila24 min
Jul 28, 1:29 PM MSTTornado WarningFGZGila16 min
Jul 28, 1:30 PM MSTSevere Thunderstorm WarningFGZCoconino, Yavapai30 min
Jul 28, 1:38 PM MSTSevere Thunderstorm WarningFGZGila37 min
Jul 28, 1:39 PM MSTSevere Thunderstorm WarningFGZCoconino36 min
Jul 28, 1:45 PM MSTSevere Thunderstorm WarningFGZGila, Yavapai30 min
Jul 28, 1:56 PM MSTFlash Flood WarningFGZCoconino, Yavapai34 min
Jul 28, 2:01 PM MSTSevere Thunderstorm WarningFGZCoconino, Yavapai29 min
Jul 28, 2:12 PM MSTTornado WarningFGZGila18 min
Jul 28, 2:30 PM MSTSevere Thunderstorm WarningFGZGila30 min
Jul 28, 2:46 PM MSTSevere Thunderstorm WarningFGZCoconino, Gila, Yavapai29 min
Jul 28, 2:59 PM MSTSevere Thunderstorm WarningFGZCoconino, Yavapai31 min
Jul 28, 2:59 PM MSTSevere Thunderstorm WarningFGZYavapai31 min
Jul 28, 3:16 PM MSTSevere Thunderstorm WarningFGZCoconino, Gila, Yavapai29 min
Jul 28, 3:25 PM MSTFlash Flood WarningFGZCoconino, Yavapai50 min
Jul 28, 3:31 PM MSTSevere Thunderstorm WarningFGZYavapai18 min
Jul 28, 3:31 PM MSTSevere Thunderstorm WarningFGZCoconino, Yavapai29 min
Jul 28, 3:44 PM MSTSevere Thunderstorm WarningFGZYavapai31 min
Jul 28, 4:00 PM MSTSevere Thunderstorm WarningFGZCoconino, Yavapai30 min
Jul 28, 4:11 PM MSTSevere Thunderstorm WarningFGZYavapai34 min
Jul 28, 4:22 PM MSTSevere Thunderstorm WarningFGZYavapai23 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.