Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 209, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Oct 5, 2021, 5:18 PM MST for Cochise County, Arizona. It was in force for 27 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
- Oct 5, 2021, 5:18 PM MST (00:18 UTC)
- Expired
- Oct 5, 2021, 5:45 PM MST
- In force
- 27 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 144 km from the middle of the area, began a volume at 00:21 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, 0.3 hours before the alert went out and 173 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
- 364 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 2251 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted.
450
WUUS55 KTWC 060018
SVRTWC
AZC003-060100-
/O.NEW.KTWC.SV.W.0209.211006T0018Z-211006T0100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tucson AZ
518 PM MST Tue Oct 5 2021
The National Weather Service in Tucson has issued a
* Severe Thunderstorm Warning for...
East central Cochise County in southeastern Arizona...
* Until 600 PM MST.
* At 517 PM MST, a severe thunderstorm was located west of Rodeo,
moving north at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Portal.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3177 10913 3197 10915 3197 10905 3177 10905
TIME...MOT...LOC 0017Z 180DEG 13KT 3184 10908
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$2 follow-up statements
965
WWUS55 KTWC 060030
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
530 PM MST Tue Oct 5 2021
AZC003-060100-
/O.CON.KTWC.SV.W.0209.000000T0000Z-211006T0100Z/
Cochise-
530 PM MST Tue Oct 5 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM MST
FOR EAST CENTRAL COCHISE COUNTY...
At 529 PM MST, a severe thunderstorm was located betweem Portal and
Rodeo along the Arizona/New Mexico state line, moving north at 15
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Portal.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3197 10915 3197 10905 3183 10905 3183 10914
TIME...MOT...LOC 0029Z 180DEG 13KT 3186 10908
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$496
WWUS55 KTWC 060045
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
545 PM MST Tue Oct 5 2021
AZC003-060055-
/O.CAN.KTWC.SV.W.0209.000000T0000Z-211006T0100Z/
Cochise-
545 PM MST Tue Oct 5 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL COCHISE COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.
LAT...LON 3197 10915 3197 10905 3183 10905 3183 10914
TIME...MOT...LOC 0036Z 180DEG 13KT 3192 10908
$$The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 5, 5:06 PM MST | Severe Thunderstorm Warning | TWC | Graham, Pinal | 35 min |
| Oct 5, 5:26 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Graham | 49 min |
| Oct 5, 6:11 PM MST | Severe Thunderstorm Warning | TWC | Graham, Greenlee | 48 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2021Every severe thunderstorm warning in 2021
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.