Alert archive / Arizona / Tornado Warnings in 2016

Tornado Warning 2, NWS Flagstaff, AZ

November 3, 2016Navajo County, Arizona

NWS Flagstaff, AZ issued this tornado warning at Nov 3, 2016, 5:24 PM MDT for Navajo County, Arizona. It was in force for 36 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Nov 3, 2016, 5:24 PM MDT (23:24 UTC)
Expired: Nov 3, 2016, 6:00 PM MDT
In force: 36 min
Issued by: NWS Flagstaff, AZ
Area: Storm-based polygon

County Navajo County, AZ

The radar

The Flagstaff radar (KFSX), 84 km from the middle of the area, began a volume at 23:23 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

Time	Report	Where	Remark
Nov 3, 5:32 PM MDT	FUNNEL CLOUD	Joseph City, 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 12:00Z, 11.4 hours before the alert went out and 132 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1312 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 36 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

616 
WFUS55 KFGZ 032324
TORFGZ
AZC017-040000-
/O.NEW.KFGZ.TO.W.0002.161103T2324Z-161104T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
424 PM MST THU NOV 3 2016

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A

* TORNADO WARNING FOR...
  NAVAJO COUNTY IN NORTH CENTRAL ARIZONA...

* UNTIL 500 PM MST
    
* AT 422 PM MST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
  JUST SOUTHWEST OF JOSEPH CITY...OR 18 MILES SOUTHEAST OF
  WINSLOW...AND MOVING NORTH AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  JOSEPH CITY AND INTERSTATE 40 BETWEEN MILE MARKERS 255 AND 275. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE HOME OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3490 11029 3487 11050 3500 11055 3506 11033
TIME...MOT...LOC 2322Z 166DEG 17KT 3492 11040 

$$

KD

2 follow-up statements

571 
WWUS55 KFGZ 032338
SVSFGZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
438 PM MST THU NOV 3 2016

AZC017-040000-
/O.CON.KFGZ.TO.W.0002.000000T0000Z-161104T0000Z/
NAVAJO AZ-
438 PM MST THU NOV 3 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM MST FOR NAVAJO
COUNTY...
    
AT 437 PM MST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
JUST WEST OF JOSEPH CITY...OR 16 MILES EAST OF WINSLOW...MOVING
NORTH AT 20 MPH.

THIS TORNADIC THUNDERSTORM HAS NOW PASSED NORTH OF INTERSTATE 40 AND
WILL REMAIN OVER MAINLY RURAL AREAS OF NAVAJO COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3497 11037 3497 11045 3502 11048 3505 11038
TIME...MOT...LOC 2337Z 166DEG 17KT 3499 11042 

$$

KD

223 
WWUS55 KFGZ 032354
SVSFGZ

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
454 PM MST THU NOV 3 2016

AZC017-040003-
/O.EXP.KFGZ.TO.W.0002.000000T0000Z-161104T0000Z/
NAVAJO AZ-
454 PM MST THU NOV 3 2016

...THE TORNADO WARNING FOR NAVAJO COUNTY WILL EXPIRE AT 500 PM MST...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS. THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
HOWEVER...SMALL HAIL IS STILL POSSIBLE WITH THIS THUNDERSTORM...AND
IF THE STORM RESTRENGTHENS WE COULD NEED TO ISSUE A NEW TORNADO
WARNING. 

LAT...LON 3497 11037 3497 11045 3502 11048 3505 11038
TIME...MOT...LOC 2353Z 166DEG 17KT 3506 11044 

$$

KD

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 3, 4:25 PM MDT	Special Weather Statement	FGZ		35 min
Nov 3, 5:00 PM MDT	Special Weather Statement	FGZ		45 min

Nearby

Tornado Warnings in Arizona, 2016 Every tornado warning in 2016 Tornadoes in 2016

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.