Alert archive / Arizona / Tornado Warnings in 2024

Tornado Warning 2, NWS Tucson, AZ

July 14, 2024Pima County, Arizona

NWS Tucson, AZ issued this tornado warning at Jul 14, 2024, 6:22 PM MST for Pima County, Arizona. It was in force for 23 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
Jul 14, 2024, 6:22 PM MST (01:22 UTC)
Expired
Jul 14, 2024, 6:45 PM MST
In force
23 min
Issued by
NWS Tucson, AZ
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

County Pima County, AZ

The radar

The Tucson radar (KEMX), 69 km from the middle of the area, began a volume at 01:24 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

TimeReportWhereRemark
Jul 14, 6:49 PM MSTTSTM WND DMG8 Ssw Oro Valley, AZAwnings torn off homes, debris in the roads.

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 00:00Z, 1.4 hours before the alert went out and 30 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, Tuscon, AZ at 00:00Z on 2024-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1009 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 00:00Z on 2024-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 square meters per square second.1939Sfc1 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
1009 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
2708 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
4 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

510 
WFUS55 KTWC 150122
TORTWC
AZC019-150145-
/O.NEW.KTWC.TO.W.0002.240715T0122Z-240715T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tucson AZ
622 PM MST Sun Jul 14 2024

The National Weather Service in Tucson has issued a

* Tornado Warning for...
  Northern Pima County in southeastern Arizona...

* Until 645 PM MST.

* At 621 PM MST, a severe thunderstorm capable of producing a 
  tornado was located over Tortolita just southeast of Marana, 
  moving northwest at 15 mph.

  HAZARD...Tornado.

  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 dangerous storm will be near...
  Marana and Tortolita around 625 PM MST.

Other locations impacted by this tornadic thunderstorm include Dove
Mountain and Picture Rocks.

This includes Interstate 10 between mile markers 239 and 250.
 
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 3237 11099 3230 11106 3242 11124 3250 11108
TIME...MOT...LOC 0121Z 142DEG 12KT 3240 11109 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

WJM
2 follow-up statements
162 
WWUS55 KTWC 150132
SVSTWC

Severe Weather Statement
National Weather Service Tucson AZ
632 PM MST Sun Jul 14 2024

AZC019-150145-
/O.CON.KTWC.TO.W.0002.000000T0000Z-240715T0145Z/
Pima-
632 PM MST Sun Jul 14 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM MST FOR NORTHERN
PIMA COUNTY...

At 632 PM MST, a severe thunderstorm capable of producing a tornado
was located near and southeast of Marana, moving northwest at 10 mph.

HAZARD...Tornado.

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 dangerous storm will be near...
  Marana around 635 PM MST.

Other locations impacted by this tornadic thunderstorm include Dove
Mountain and Picture Rocks.

This includes Interstate 10 between mile markers 239 and 250.
 
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 3237 11099 3230 11106 3242 11124 3250 11108
TIME...MOT...LOC 0132Z 137DEG 10KT 3241 11111 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

WJM
803 
WWUS55 KTWC 150143
SVSTWC

Severe Weather Statement
National Weather Service Tucson AZ
643 PM MST Sun Jul 14 2024

AZC019-150152-
/O.EXP.KTWC.TO.W.0002.000000T0000Z-240715T0145Z/
Pima-
643 PM MST Sun Jul 14 2024

...THE TORNADO WARNING FOR NORTHERN PIMA COUNTY WILL EXPIRE AT 645 PM
MST...

The tornado threat has diminished and the Tornado Warning has been
cancelled. However, large hail and damaging winds remain likely and a
Severe Thunderstorm Warning remains in effect for the area.

Remember, a Severe Thunderstorm Warning still remains in effect for
northeast Pima county and southern Pinal county.

&&

LAT...LON 3237 11099 3230 11106 3242 11124 3250 11108
TIME...MOT...LOC 0142Z 142DEG 12KT 3242 11112 

$$

WJM

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 5:04 PM MSTAreal Flood AdvisoryTWCPima116 min
Jul 14, 5:29 PM MSTDust Storm AdvisoryTWCPima, Pinal61 min
Jul 14, 5:29 PM MSTFlash Flood Warning Considerable damage threatTWCCochise, Pima118 min
Jul 14, 5:39 PM MSTSevere Thunderstorm WarningTWCCochise, Pima, Pinal66 min
Jul 14, 5:48 PM MSTFlash Flood Warning Considerable damage threatTWCCochise, Pima3 hr
Jul 14, 6:00 PM MSTTornado WarningTWCPima, Pinal15 min
Jul 14, 6:04 PM MSTDust Storm WarningTWCPima, Pinal91 min
Jul 14, 6:26 PM MSTSevere Thunderstorm WarningTWCPima, Pinal64 min
Jul 14, 6:45 PM MSTSevere Thunderstorm Warning Considerable damage threatTWCPima, Pinal45 min
Jul 14, 6:47 PM MSTFlash Flood Warning Considerable damage threatTWCPima3 hr
Jul 14, 6:49 PM MSTSevere Thunderstorm WarningTWCPinal30 min
Jul 14, 7:01 PM MSTFlash Flood Warning Considerable damage threatTWCPima, Pinal3 hr
Jul 14, 7:24 PM MSTSevere Thunderstorm Warning Considerable damage threatTWCPima, Pinal51 min
Jul 14, 8:11 PM MSTSevere Thunderstorm WarningTWCPima, Pinal49 min
Jul 15, 1:14 PM MSTSevere Thunderstorm WarningTWCCochise22 min
Jul 15, 2:30 PM MSTSevere Thunderstorm WarningTWCCochise45 min
Jul 15, 2:39 PM MSTAreal Flood AdvisoryTWCGraham, Greenlee3 hr
Jul 15, 2:49 PM MSTSevere Thunderstorm WarningTWCCochise41 min
Jul 15, 2:59 PM MSTAreal Flood AdvisoryTWCCochise2 hr
Jul 15, 3:11 PM MSTSevere Thunderstorm WarningTWCCochise49 min
Jul 15, 3:38 PM MSTAreal Flood AdvisoryTWCCochise112 min
Jul 15, 3:44 PM MSTSevere Thunderstorm Warning Considerable damage threatTWCCochise61 min
Jul 15, 4:03 PM MSTSevere Thunderstorm WarningTWCCochise20 min
Jul 15, 4:21 PM MSTSevere Thunderstorm WarningTWCCochise39 min
Jul 15, 4:37 PM MSTSevere Thunderstorm WarningTWCSanta Cruz38 min
Jul 15, 4:39 PM MSTSevere Thunderstorm WarningTWCCochise51 min
Jul 15, 4:52 PM MSTSevere Thunderstorm WarningTWCCochise38 min
Jul 15, 4:54 PM MSTFlash Flood Warning Considerable damage threatTWCCochise3 hr

Nearby

Tornado Warnings in Arizona, 2024Every tornado warning in 2024Tornadoes in 2024

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.