Alert archive / Arizona / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 8, NWS Tucson, AZ

June 29, 2016Pima County, Pinal County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jun 29, 2016, 4:51 PM MST for Pima County, Pinal County, Arizona. It was in force for 39 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 29, 2016, 4:51 PM MST (23:51 UTC)
Expired
Jun 29, 2016, 5:30 PM MST
In force
39 min
Issued by
NWS Tucson, AZ
Area
Storm-based polygon

Counties Pima County, AZ, Pinal County, AZ

The radar

The Phoenix radar (KIWA), 75 km from the middle of the area, began a volume at 23:55 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 29, 4:52 PM MSTTSTM WND GST 653 Se Picacho, 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 12:00Z, 11.9 hours before the alert went out and 72 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 12:00Z on 2016-06-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 315 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 12:00Z on 2016-06-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -67 square meters per square second.193958Sfc1 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
315 J/kg
Mixed-layer CIN
-285 J/kg
Mixed-layer LCL
1240 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-67 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

894 
WUUS55 KTWC 292351
SVRTWC
AZC019-021-300030-
/O.NEW.KTWC.SV.W.0008.160629T2351Z-160630T0030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
451 PM MST WED JUN 29 2016

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

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

* UNTIL 530 PM MST

* AT 451 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 ALONG I-10 FROM ABOUT 10
  MILES NORTH OF AVRA VALLEY TO NEAR PICACHO...OR 16 MILES NORTHWEST
  OF MARANA...AND MOVING NORTHWEST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ELOY...FRIENDLY CORNERS...RED ROCK...PICACHO AND PICACHO PEAK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND VERY HEAVY RAIN. HEAVY RAINS FLOOD ROADS
QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3260 11115 3249 11132 3260 11171 3276 11162
      3282 11155
TIME...MOT...LOC 2351Z 116DEG 13KT 3260 11135 

$$

MEYER
2 follow-up statements
629 
WWUS55 KTWC 300008
SVSTWC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
508 PM MST WED JUN 29 2016

AZC019-021-300030-
/O.CON.KTWC.SV.W.0008.000000T0000Z-160630T0030Z/
PINAL-PIMA-
508 PM MST WED JUN 29 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM MST
FOR SOUTH CENTRAL PINAL AND NORTHEASTERN PIMA COUNTIES...

AT 506 PM MST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH WITH BLOWING
DUST FOLLOWED BY HEAVY RAIN. THIS STORM WAS LOCATED NEAR ELOY...OR
19 MILES SOUTHEAST OF CASA GRANDE...MOVING NORTHWEST AT 15 MPH.

LOCATIONS IMPACTED INCLUDE...
ELOY...FRIENDLY CORNERS...PICACHO AND PICACHO PEAK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...DESTRUCTIVE
HAIL...DEADLY LIGHTNING AND BLOWING DUST FOLLOWED BY VERY HEAVY
RAIN. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS
WHERE WATER COVERS THE ROAD.

&&

LAT...LON 3260 11115 3249 11132 3260 11171 3276 11162
      3282 11155
TIME...MOT...LOC 0006Z 119DEG 18KT 3269 11150 

$$

MEYER
669 
WWUS55 KTWC 300024
SVSTWC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
524 PM MST WED JUN 29 2016

AZC019-021-300033-
/O.EXP.KTWC.SV.W.0008.000000T0000Z-160630T0030Z/
PINAL-PIMA-
524 PM MST WED JUN 29 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL PINAL AND
NORTHEASTERN PIMA COUNTIES WILL EXPIRE AT 530 PM MST...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT. HOWEVER GUSTY
WINDS AND BLOWING DUST MAY STILL BE AN ISSUE UNTIL 6 PM.

LAT...LON 3260 11115 3249 11132 3260 11171 3276 11162
      3282 11155
TIME...MOT...LOC 0018Z 116DEG 13KT 3269 11150 

$$

MEYER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 12:23 AM MSTSpecial Weather StatementTWC37 min
Jun 29, 12:27 AM MSTAreal Flood AdvisoryTWCCochise, Graham, Pima, Pinal3 hr
Jun 29, 1:12 AM MSTSpecial Weather StatementTWC48 min
Jun 29, 12:39 PM MSTSpecial Weather StatementTWCSanta Cruz36 min
Jun 29, 12:50 PM MSTSevere Thunderstorm WarningTWCSanta Cruz40 min
Jun 29, 1:13 PM MSTSpecial Weather StatementTWCSanta Cruz47 min
Jun 29, 1:23 PM MSTAreal Flood AdvisoryTWCPima, Santa Cruz112 min
Jun 29, 1:49 PM MSTSpecial Weather StatementTWC41 min
Jun 29, 1:50 PM MSTAreal Flood AdvisoryTWCPima115 min
Jun 29, 2:15 PM MSTSpecial Weather StatementTWCSanta Cruz45 min
Jun 29, 2:25 PM MSTSevere Thunderstorm WarningTWCPima50 min
Jun 29, 2:31 PM MSTAreal Flood AdvisoryTWCPima119 min
Jun 29, 2:50 PM MSTSevere Thunderstorm WarningTWCPima40 min
Jun 29, 3:11 PM MSTAreal Flood AdvisoryTWCPima3 hr
Jun 29, 3:18 PM MSTSpecial Weather StatementTWC42 min
Jun 29, 3:35 PM MSTSpecial Weather StatementTWCPinal40 min
Jun 29, 4:35 PM MSTSpecial Weather StatementTWCPinal40 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.