Alert archive / Arizona / Special Weather Statements in 2015
Special Weather Statement, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this special weather statement at Aug 8, 2015, 7:35 PM MDT for Navajo County, Arizona. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 8, 2015, 7:35 PM MDT (01:35 UTC)
- Expired
- Aug 8, 2015, 8:15 PM MDT
- In force
- 40 min
- Issued by
- NWS Flagstaff, AZ
County Navajo County, AZ
The radar
The Flagstaff radar (KFSX), 65 km from the middle of the area, began a volume at 01:35 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
Tuscon, AZ (KDMA), launched 00:00Z, 1.6 hours before the alert went out and 313 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 0 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 8, 4:46 PM MDT, 2 hours 49 minutes earlier.
Area forecast discussion, Aug 8, 4:46 PM MDT, 2 hours 49 minutes before
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</html>Hazardous weather outlook, Aug 8, 2:27 PM MDT, 5 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 127 PM MST SAT AUG 8 2015 AZZ004>007-009>016-038>040-090445- KAIBAB PLATEAU-MARBLE AND GLEN CANYONS-GRAND CANYON COUNTRY- COCONINO PLATEAU-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- WESTERN MOGOLLON RIM-EASTERN MOGOLLON RIM- OAK CREEK AND SYCAMORE CANYONS-BLACK MESA AREA- NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264- 127 PM MST SAT AUG 8 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL ARIZONA...NORTHEAST ARIZONA AND WEST CENTRAL ARIZONA. .DAY ONE...THIS AFTERNOON AND TONIGHT SHOWERS AND THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS NORTHERN ARIZONA. A FEW OF THESE THUNDERSTORMS MAY BECOME SEVERE WITH LARGE HAIL OR STRONG WINDS. HEAVY RAIN WITH SUCCESSIVE STORMS WILL ELEVATE THE THREAT FOR LOCALIZED FLASH FLOODING. THE GREATEST CHANCES FOR SEVERE WEATHER WILL BE FROM THE MOGOLLON RIM NORTHWARD. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY SUNDAY...NO SIGNIFICANT THREATS. MONDAY THROUGH THURSDAY...SHOWERS AND THUNDERSTORMS WILL RETURN. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER TO LOCAL LAW ENFORCEMENT...OR THE NATIONAL WEATHER SERVICE BY CALLING 1-888-745-1637.
In the hours before
Special weather statement, Aug 8, 3:22 PM MDT, 4 hours 13 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 222 PM MST SAT AUG 8 2015 AZZ009-012-082145- LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY-NORTHEAST PLATEAUS AND MESAS HWY 264 NORTHWARD- 222 PM MST SAT AUG 8 2015 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN COCONINO COUNTY UNTIL 245 PM MST... AT 221 PM MST...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8 MILES WEST OF MOENAVE...OR 14 MILES WEST OF TUBA CITY...MOVING NORTHEAST AT 30 MPH. HALF INCH HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... THE GAP. PRECAUTIONARY/PREPAREDNESS ACTIONS... TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS. THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. && LAT...LON 3606 11145 3612 11160 3638 11146 3629 11126 TIME...MOT...LOC 2121Z 208DEG 24KT 3617 11149 MCS
Local storm report, Aug 8, 4:03 PM MDT, 3 hours 32 minutes before
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</html>Special weather statement, Aug 8, 4:29 PM MDT, 3 hours 6 minutes before
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</html>Special weather statement, Aug 8, 5:17 PM MDT, 2 hours 18 minutes before
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</html>Special weather statement, Aug 8, 5:49 PM MDT, 1 hour 46 minutes before
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</html>Special weather statement, Aug 8, 7:35 PM MDT, 0 minutes before
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</html>The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 8, 8:18 PM MDT | Special Weather Statement | FGZ | Navajo | 42 min |
| Aug 9, 12:26 PM MDT | Areal Flood Advisory | FGZ | Yavapai | 2 hr |
| Aug 9, 1:26 PM MDT | Special Weather Statement | FGZ | Yavapai | 34 min |
| Aug 9, 1:58 PM MDT | Severe Thunderstorm Warning | FGZ | Coconino, Navajo | 47 min |
| Aug 9, 3:05 PM MDT | Special Weather Statement | FGZ | Coconino | 25 min |
| Aug 9, 3:10 PM MDT | Severe Thunderstorm Warning | FGZ | Coconino | 50 min |
| Aug 9, 3:22 PM MDT | Tornado Warning | FGZ | Coconino | 23 min |
| Aug 9, 3:39 PM MDT | Special Weather Statement | FGZ | 36 min | |
| Aug 9, 3:42 PM MDT | Severe Thunderstorm Warning | FGZ | Coconino | 33 min |
| Aug 9, 4:00 PM MDT | Severe Thunderstorm Warning | FGZ | Coconino | 21 min |
| Aug 9, 4:29 PM MDT | Flash Flood Warning | FGZ | Coconino | 3 hr |
Nearby
Special Weather Statements in Arizona, 2015Every special weather statement in 2015
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.