Alert archive / Arizona / Tornado Warnings in 2022

Tornado Warning 2, NWS Tucson, AZ

October 15, 2022Pinal County, Arizona

NWS Tucson, AZ issued this tornado warning at Oct 15, 2022, 3:58 PM MST for Pinal County, Arizona. It was in force for 17 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: Oct 15, 2022, 3:58 PM MST (22:58 UTC)
Expired: Oct 15, 2022, 4:15 PM MST
In force: 17 min
Issued by: NWS Tucson, AZ
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

County Pinal County, AZ

The radar

The Phoenix radar (KIWA), 60 km from the middle of the area, began a volume at 22:57 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
Oct 15, 4:01 PM MST	HAIL 1	4 Se Eloy, AZ	LARGE HAIL ON I-10 NEAR PICACHO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 11.0 hours before the alert went out and 87 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: 58 J/kg
Mixed-layer CIN: -185 J/kg
Mixed-layer LCL: 1826 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 97 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

489 
WFUS55 KTWC 152258
TORTWC
AZC021-152315-
/O.NEW.KTWC.TO.W.0002.221015T2258Z-221015T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tucson AZ
358 PM MST Sat Oct 15 2022

The National Weather Service in Tucson has issued a

* Tornado Warning for...
  Central Pinal County in southeastern Arizona...

* Until 415 PM MST.
    
* At 357 PM MST, a severe thunderstorm capable of producing a 
  tornado was located over Eloy, or 16 miles south of Coolidge, 
  moving north at 25 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly remote areas of
  central Pinal 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 outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3269 11143 3268 11154 3281 11156 3284 11154
      3290 11145
TIME...MOT...LOC 2257Z 179DEG 20KT 3275 11149 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

CSC

1 follow-up statement

750 
WWUS55 KTWC 152313
SVSTWC

Severe Weather Statement
National Weather Service Tucson AZ
413 PM MST Sat Oct 15 2022

AZC021-152323-
/O.EXP.KTWC.TO.W.0002.000000T0000Z-221015T2315Z/
Pinal-
413 PM MST Sat Oct 15 2022

...THE TORNADO WARNING FOR CENTRAL PINAL COUNTY WILL EXPIRE AT 415 PM
MST...
        
The storm which prompted the warning has weakened below severe 
limits, and is exiting the warned area. Therefore, the warning will 
be allowed to expire.  However gusty winds and heavy rain are still 
possible with this thunderstorm.

LAT...LON 3269 11143 3268 11154 3281 11156 3284 11154
      3290 11145
TIME...MOT...LOC 2313Z 179DEG 20KT 3283 11149 

$$

CSC

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 15, 10:34 AM MST	Special Weather Statement	TWC	Pima	41 min
Oct 15, 10:42 AM MST	Severe Thunderstorm Warning	TWC	Pima	33 min
Oct 15, 2:29 PM MST	Special Weather Statement	TWC	Pinal	31 min
Oct 15, 3:04 PM MST	Special Weather Statement	TWC	Pima	41 min
Oct 15, 3:36 PM MST	Severe Thunderstorm Warning	TWC	Pinal	39 min
Oct 15, 4:16 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	44 min

Nearby

Tornado Warnings in Arizona, 2022 Every tornado warning in 2022 Tornadoes in 2022

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.