Alert archive / Arizona / Severe Thunderstorm Warnings in 2021

Severe Thunderstorm Warning 13, NWS Tucson, AZ

July 2, 2021Cochise County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 2, 2021, 4:06 PM MST for Cochise County, Arizona. It was in force for 39 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: Jul 2, 2021, 4:06 PM MST (23:06 UTC)
Expired: Jul 2, 2021, 4:45 PM MST
In force: 39 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), 88 km from the middle of the area, began a volume at 23:08 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 12:00Z, 11.1 hours before the alert went out and 127 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: 385 J/kg
Mixed-layer CIN: -127 J/kg
Mixed-layer LCL: 1652 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 37 m²/s²
0-3 km storm-relative helicity: 75 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

821 
WUUS55 KTWC 022306
SVRTWC
AZC003-022345-
/O.NEW.KTWC.SV.W.0013.210702T2306Z-210702T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tucson AZ
406 PM MST Fri Jul 2 2021

The National Weather Service in Tucson has issued a

* Severe Thunderstorm Warning for...
  Southwestern Cochise County in southeastern Arizona...

* Until 445 PM MST.

* At 406 PM MST, a severe thunderstorm was located near Bisbee,
  moving northwest 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...
  Bisbee and Naco. 

This includes the following highways...
 Route 80 between mile markers 333 and 349.
 Route 92 between mile markers 350 and 355.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3134 10980 3134 10993 3150 11007 3158 10983
TIME...MOT...LOC 2306Z 150DEG 11KT 3139 10987 

HAIL...1.00IN
WIND...60MPH
 
$$

1 follow-up statement

057 
WWUS55 KTWC 022336
SVSTWC

Severe Weather Statement
National Weather Service Tucson AZ
436 PM MST Fri Jul 2 2021

AZC003-022346-
/O.EXP.KTWC.SV.W.0013.000000T0000Z-210702T2345Z/
Cochise-
436 PM MST Fri Jul 2 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN COCHISE COUNTY
WILL EXPIRE AT 445 PM MST...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However gusty
winds and brief heavy rain are still possible with this thunderstorm.

LAT...LON 3134 10980 3134 10993 3150 11007 3158 10983
TIME...MOT...LOC 2336Z 150DEG 11KT 3145 10991 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 1, 5:15 PM MST	Special Weather Statement	TWC	Cochise	45 min
Jul 2, 11:58 AM MST	Areal Flood Advisory	TWC	Cochise, Graham	3 hr
Jul 2, 12:46 PM MST	Flash Flood Warning Considerable damage threat	TWC	Cochise	3 hr
Jul 2, 1:34 PM MST	Special Weather Statement	TWC	Graham	26 min
Jul 2, 2:05 PM MST	Severe Thunderstorm Warning	TWC	Pinal	40 min
Jul 2, 2:27 PM MST	Special Weather Statement	TWC		33 min
Jul 2, 2:36 PM MST	Severe Thunderstorm Warning	TWC	Pinal	39 min
Jul 2, 2:48 PM MST	Severe Thunderstorm Warning	TWC	Pima	42 min
Jul 2, 2:53 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	3 hr
Jul 2, 3:01 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	44 min
Jul 2, 3:10 PM MST	Severe Thunderstorm Warning	TWC	Graham, Greenlee	50 min
Jul 2, 3:14 PM MST	Areal Flood Advisory	TWC	Pinal	3 hr
Jul 2, 3:24 PM MST	Flash Flood Warning Considerable damage threat	TWC	Pima	3 hr
Jul 2, 3:25 PM MST	Dust Storm Warning	TWC	Pima, Pinal	95 min
Jul 2, 3:33 PM MST	Severe Thunderstorm Warning	TWC	Cochise	42 min
Jul 2, 3:35 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	40 min
Jul 2, 3:54 PM MST	Special Weather Statement	TWC	Santa Cruz	51 min
Jul 2, 3:55 PM MST	Special Weather Statement	TWC	Graham	65 min
Jul 2, 4:09 PM MST	Special Weather Statement	TWC	Graham	51 min
Jul 2, 4:24 PM MST	Special Weather Statement	TWC	Santa Cruz	36 min
Jul 2, 4:34 PM MST	Special Weather Statement	TWC	Santa Cruz	26 min
Jul 2, 4:35 PM MST	Special Weather Statement	TWC	Cochise	40 min
Jul 2, 4:46 PM MST	Special Weather Statement	TWC	Santa Cruz	29 min
Jul 2, 4:51 PM MST	Special Weather Statement	TWC	Pinal	24 min
Jul 2, 4:56 PM MST	Areal Flood Advisory	TWC	Santa Cruz	3 hr

Nearby

Severe Thunderstorm Warnings in Arizona, 2021 Every 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.