Alert archive / Arizona / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 4, NWS Tucson, AZ

June 26, 2016Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jun 26, 2016, 7:13 PM MST for Pima County, Arizona. It was in force for 32 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
Jun 26, 2016, 7:13 PM MST (02:13 UTC)
Expired
Jun 26, 2016, 7:45 PM MST
In force
32 min
Issued by
NWS Tucson, AZ
Area
Storm-based polygon

County Pima County, AZ

The radar

The Tucson radar (KEMX), 48 km from the middle of the area, began a volume at 02:16 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
Jun 26, 7:20 PM MSTTSTM WND DMGTucson, AZCIITY OF TUCSON REPORTS POWER LINES DOWN DUE TO STORMS... MOSTLY AFFECTING THE AREA AROUND 1ST AND RIVER AND CAMPBELL AND RIVER. IN ADDITION A HOUSE FIRE WAS CAUSED BY LIGHTNING NEAR 22ND AND KOLB.

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, 2.2 hours before the alert went out and 9 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 2016-06-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 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 2016-06-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
82 J/kg
Mixed-layer CIN
-67 J/kg
Mixed-layer LCL
3275 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
109 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

As transmitted.

931 
WUUS55 KTWC 270213
SVRTWC
AZC019-270245-
/O.NEW.KTWC.SV.W.0004.160627T0213Z-160627T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
713 PM MST SUN JUN 26 2016

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN PIMA COUNTY IN SOUTHEASTERN ARIZONA...

* UNTIL 745 PM MST

* AT 711 PM MST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS
  STORM WAS LOCATED SOUTHEAST OF FLOWING WELLS...OR 7 MILES
  NORTHWEST OF TUCSON...AND MOVING NORTHWEST AT 25 TO 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TUCSON...ORO VALLEY...MARANA...FLOWING WELLS...DREXEL-ALVERNON...
  CASAS ADOBES...DREXEL HEIGHTS...TUCSON ESTATES...TORTOLITA...
  AVRA VALLEY...LITTLETOWN...SUMMIT...TANQUE VERDE...VALENCIA WEST...
  SOUTH TUCSON...CATALINA FOOTHILLS...PICTURE ROCKS...CATALINA...
  RITA RANCH AND SAN XAVIER MISSION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3214 11065 3197 11090 3249 11144 3250 11092
TIME...MOT...LOC 0211Z 133DEG 30KT 3231 11103 

$$
1 follow-up statement
764 
WWUS55 KTWC 270243
SVSTWC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
743 PM MST SUN JUN 26 2016

AZC019-270252-
/O.EXP.KTWC.SV.W.0004.000000T0000Z-160627T0245Z/
PIMA-
743 PM MST SUN JUN 26 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PIMA COUNTY WILL
EXPIRE AT 745 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.

LAT...LON 3214 11065 3197 11090 3249 11144 3250 11092
TIME...MOT...LOC 0238Z 133DEG 30KT 3231 11103 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 26, 6:44 PM MSTSpecial Weather StatementTWCSanta Cruz61 min
Jun 26, 7:32 PM MSTAreal Flood AdvisoryTWCPima118 min
Jun 27, 4:14 PM MSTSpecial Weather StatementTWCGraham46 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2016Every severe thunderstorm warning in 2016

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.