Alert archive / Arizona / Tornado Warnings in 2024
Tornado Warning 3, NWS Tucson, AZ
NWS Tucson, AZ issued this tornado warning at Aug 16, 2024, 5:54 PM MST for Pima County, Arizona. It was in force for 36 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 16, 2024, 5:54 PM MST (00:54 UTC)
- Expired
- Aug 16, 2024, 6:30 PM MST
- In force
- 36 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.0 in
County Pima County, AZ
The radar
The Tucson radar (KEMX), 87 km from the middle of the area, began a volume at 00:54 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 (KTUS), launched 00:00Z, 0.9 hours before the alert went out and 78 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
- 571 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 3283 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
484
WFUS55 KTWC 170054
TORTWC
AZC019-170130-
/O.NEW.KTWC.TO.W.0003.240817T0054Z-240817T0130Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tucson AZ
554 PM MST Fri Aug 16 2024
The National Weather Service in Tucson has issued a
* Tornado Warning for...
South central Pima County in southeastern Arizona...
* Until 630 PM MST.
* At 554 PM MST, a severe thunderstorm capable of producing a tornado
was located 12 miles northwest of Arivaca, or 27 miles west of
Tubac, moving northwest at 20 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
south central Pima County, including the following locations...
Fresnal Canyon, Choulic, and Coldfields.
This includes Route 286 between mile markers 7 and 21.
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 3173 11135 3154 11145 3166 11179 3187 11166
TIME...MOT...LOC 0054Z 115DEG 16KT 3168 11151
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
KM3 follow-up statements
593
WWUS55 KTWC 170107
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
607 PM MST Fri Aug 16 2024
AZC019-170130-
/O.CON.KTWC.TO.W.0003.000000T0000Z-240817T0130Z/
Pima-
607 PM MST Fri Aug 16 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MST FOR SOUTH
CENTRAL PIMA COUNTY...
At 606 PM MST, a severe thunderstorm capable of producing a tornado
was located 13 miles northeast of San Miguel, or 23 miles southeast
of Sells, moving northwest at 20 mph.
HAZARD...Tornado and quarter size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Choulic, Coldfields, and Fresnal Canyon.
This includes Route 286 between mile markers 7 and 21.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3173 11135 3154 11145 3166 11179 3187 11166
TIME...MOT...LOC 0106Z 115DEG 16KT 3170 11157
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
$$
KM354
WWUS55 KTWC 170119
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
619 PM MST Fri Aug 16 2024
AZC019-170130-
/O.CON.KTWC.TO.W.0003.000000T0000Z-240817T0130Z/
Pima-
619 PM MST Fri Aug 16 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM MST FOR SOUTH
CENTRAL PIMA COUNTY...
At 619 PM MST, a severe thunderstorm capable of producing a tornado
was located 12 miles northeast of San Miguel, or 23 miles southeast
of Sells, moving northwest at 25 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.
Locations impacted include...
Choulic, Coldfields, and Fresnal Canyon.
This includes Route 286 between mile markers 7 and 21.
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 3173 11135 3154 11145 3166 11179 3187 11166
TIME...MOT...LOC 0119Z 128DEG 20KT 3169 11158
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
KM822 WWUS55 KTWC 170128 SVSTWC Severe Weather Statement National Weather Service Tucson AZ 628 PM MST Fri Aug 16 2024 AZC019-170137- /O.EXP.KTWC.TO.W.0003.000000T0000Z-240817T0130Z/ Pima- 628 PM MST Fri Aug 16 2024 ...THE TORNADO WARNING FOR SOUTH CENTRAL PIMA COUNTY WILL EXPIRE AT 630 PM MST... The tornado threat has diminished and the Tornado Warning has been cancelled. However, large hail and damaging winds remain likely and a Severe Thunderstorm Warning remains in effect for the area. However, gusty winds are still possible with this thunderstorm. Remember, a Severe Thunderstorm Warning still remains in effect for Fresnal Canyon, Coldfield, Topawa, and South Komelik. && LAT...LON 3173 11135 3154 11145 3166 11179 3187 11166 TIME...MOT...LOC 0127Z 115DEG 16KT 3170 11161 $$ KM
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 5:48 PM MST | Severe Thunderstorm Warning | TWC | Pima | 42 min |
| Aug 16, 6:24 PM MST | Severe Thunderstorm Warning | TWC | Pima | 51 min |
| Aug 16, 7:14 PM MST | Severe Thunderstorm Warning | TWC | Pima | 46 min |
| Aug 16, 7:55 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 50 min |
| Aug 16, 8:22 PM MST | Tornado Warning | TWC | Cochise | 24 min |
| Aug 16, 8:31 PM MST | Flash Flood Warning | TWC | Cochise | 3 hr |
| Aug 16, 8:43 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 47 min |
| Aug 17, 1:33 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 42 min |
| Aug 17, 2:10 PM MST | Severe Thunderstorm Warning | TWC | Pima | 39 min |
| Aug 17, 2:19 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 41 min |
| Aug 17, 2:43 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 47 min |
| Aug 17, 2:50 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 3 hr |
| Aug 17, 3:04 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 28 min |
| Aug 17, 3:29 PM MST | Severe Thunderstorm Warning | TWC | Pima | 61 min |
| Aug 17, 3:40 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 50 min |
| Aug 17, 3:48 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Aug 17, 3:59 PM MST | Severe Thunderstorm Warning | TWC | Pima | 46 min |
| Aug 17, 4:38 PM MST | Severe Thunderstorm Warning | TWC | Pima | 52 min |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.