Alert archive / Arizona / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 21, NWS Tucson, AZ

June 30, 2015Pima County, Santa Cruz County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jun 30, 2015, 6:47 PM MST for Pima County, Santa Cruz County, Arizona. It was in force for 43 min. 2 reports 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: Jun 30, 2015, 6:47 PM MST (01:47 UTC)
Expired: Jun 30, 2015, 7:30 PM MST
In force: 43 min
Issued by: NWS Tucson, AZ
Area: Storm-based polygon

Counties Pima County, AZ, Santa Cruz County, AZ

The radar

The Tucson radar (KEMX), 17 km from the middle of the area, began a volume at 01:48 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
Jun 30, 7:10 PM MST	HAIL 0.75	1 Wsw Corona De Tucson, AZ	PENNY SIZED HAIL
Jun 30, 7:10 PM MST	HAIL 0.75	1 Wsw Corona De Tucson, AZ

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

The nearest sounding before it

Tuscon, AZ (KDMA), launched 00:00Z, 1.8 hours before the alert went out and 29 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: 1402 J/kg
Mixed-layer CIN: -116 J/kg
Mixed-layer LCL: 2476 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

644 
WUUS55 KTWC 010147
SVRTWC
AZC019-023-010230-
/O.NEW.KTWC.SV.W.0021.150701T0147Z-150701T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
647 PM MST TUE JUN 30 2015

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL PIMA COUNTY IN SOUTHEASTERN ARIZONA...
  NORTH CENTRAL SANTA CRUZ COUNTY IN SOUTHEASTERN ARIZONA...

* UNTIL 730 PM MST

* AT 645 PM MST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN 
  EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR VAIL AND CORONA DE 
  TUCSON...AND MOVING WEST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GREEN VALLEY...SAHUARITA...EAST SAHUARITA...SUMMIT...TUBAC...
  VAIL...AMADO...ARIVACA JUNCTION...CORONA DE TUCSON...MADERA CANYON
  AND SONOITA.

LAT...LON 3211 11059 3178 11046 3159 11111 3202 11126
TIME...MOT...LOC 0145Z 073DEG 12KT 3192 11069 

$$

MOLLERE

1 follow-up statement

351 
WWUS55 KTWC 010215
SVSTWC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
715 PM MST TUE JUN 30 2015

AZC019-023-010230-
/O.CON.KTWC.SV.W.0021.000000T0000Z-150701T0230Z/
PIMA AZ-SANTA CRUZ AZ-
715 PM MST TUE JUN 30 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM MST
FOR EAST CENTRAL PIMA AND NORTH CENTRAL SANTA CRUZ COUNTIES...

AT 711 PM MST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM THAT 
HAS A HISTORY OF PRODUCING LARGE HAIL AND THE POTENTIAL TO PRODUCE 
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR 
CORONA DE TUCSON...MOVING WEST AT 15 MPH.

SPOTTERS HAVE REPORTED GOLF BALL SIZE HAIL NEAR CORONA DE TUCSON. 

LOCATIONS THAT WILL BE IMPACTED INCLUDE...GREEN VALLEY... 
SAHUARITA...EAST SAHUARITA...SUMMIT...TUBAC...VAIL...AMADO... 
ARIVACA JUNCTION...CORONA DE TUCSON...MADERA CANYON AND SONOITA.

LAT...LON 3211 11059 3178 11046 3159 11111 3202 11126
TIME...MOT...LOC 0211Z 073DEG 12KT 3189 11079 

$$

MOLLERE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 30, 5:01 PM MST	Special Weather Statement	TWC		44 min
Jun 30, 5:19 PM MST	Severe Thunderstorm Warning	TWC	Pima	41 min
Jun 30, 5:30 PM MST	Severe Thunderstorm Warning	TWC	Cochise	30 min
Jun 30, 5:54 PM MST	Severe Thunderstorm Warning	TWC	Pima	20 min
Jun 30, 6:02 PM MST	Areal Flood Advisory	TWC	Cochise, Santa Cruz	3 hr
Jun 30, 6:05 PM MST	Special Weather Statement	TWC	Santa Cruz	25 min
Jun 30, 6:17 PM MST	Special Weather Statement	TWC	Santa Cruz	43 min
Jun 30, 6:51 PM MST	Areal Flood Advisory	TWC	Pima, Santa Cruz	3 hr
Jun 30, 7:01 PM MST	Severe Thunderstorm Warning	TWC	Santa Cruz	44 min
Jun 30, 7:09 PM MST	Severe Thunderstorm Warning	TWC	Cochise	36 min
Jun 30, 7:27 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	63 min
Jun 30, 7:34 PM MST	Tornado Warning	TWC	Cochise	11 min
Jun 30, 7:49 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	26 min
Jun 30, 7:55 PM MST	Special Weather Statement	TWC	Pima	35 min
Jun 30, 8:21 PM MST	Severe Thunderstorm Warning	TWC	Cochise, Pima, Santa Cruz	54 min
Jun 30, 8:27 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	43 min
Jun 30, 8:44 PM MST	Areal Flood Advisory	TWC	Cochise, Pima, Santa Cruz	3 hr
Jun 30, 9:06 PM MST	Special Weather Statement	TWC		39 min
Jun 30, 9:10 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	35 min
Jun 30, 9:49 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	56 min
Jun 30, 10:44 PM MST	Severe Thunderstorm Warning	TWC	Pima, Santa Cruz	46 min
Jun 30, 11:31 PM MST	Areal Flood Advisory	TWC	Pima, Santa Cruz	3 hr
Jun 30, 11:36 PM MST	Special Weather Statement	TWC	Pima, Santa Cruz	39 min
Jul 1, 2:44 AM MST	Special Weather Statement	TWC		31 min
Jul 1, 12:43 PM MST	Special Weather Statement	TWC	Santa Cruz	47 min
Jul 1, 1:13 PM MST	Severe Thunderstorm Warning	TWC	Santa Cruz	32 min
Jul 1, 1:53 PM MST	Severe Thunderstorm Warning	TWC	Pima	37 min
Jul 1, 2:41 PM MST	Flash Flood Warning	TWC	Santa Cruz	3 hr
Jul 1, 2:43 PM MST	Special Weather Statement	TWC		47 min
Jul 1, 2:56 PM MST	Areal Flood Advisory	TWC	Pima, Santa Cruz	3 hr
Jul 1, 3:28 PM MST	Special Weather Statement	TWC		47 min
Jul 1, 3:30 PM MST	Special Weather Statement	TWC		45 min
Jul 1, 4:27 PM MST	Areal Flood Advisory	TWC	Pima	108 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2015 Every severe thunderstorm warning in 2015

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.