Alert archive / Arizona / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 21, NWS Tucson, AZ

June 29, 2006Pinal County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jun 29, 2006, 5:15 PM MST for Pinal County, Arizona. It was in force for 60 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
Jun 29, 2006, 5:15 PM MST (00:15 UTC)
Expired
Jun 29, 2006, 6:15 PM MST
In force
60 min
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text

County Pinal County, AZ

The radar

The Phoenix radar (KIWA), 89 km from the middle of the area, began a volume at 00:16 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 29, 3:29 PM MSTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Tuscon, AZ (KTUS), launched 00:00Z, 0.3 hours before the alert went out and 57 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 2006-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 512 joules per kilogram.LCLEL10008507005003002001001 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 2006-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 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
512 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
3349 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS55 KTWC 300017
SVRTWC
AZC021-300115-
/O.NEW.KTWC.SV.W.0021.060630T0015Z-060630T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
515 PM MST THU JUN 29 2006

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

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

* UNTIL 615 PM MST

* AT 510 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...    
  AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED     
  15 MILES EAST OF RED ROCK...OR ABOUT 15 MILES NORTH OF ORO         
  VALLEY...AND MOVING NORTH AT 5 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF THE INDICATED COUNTY.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE 
STRUCK BY LIGHTNING. SO...WHEN THUNDER ROARS...GO INDOORS. 

THIS STORM WILL PRODUCE DAMAGING WINDS AND BLOWING DUST. BE PREPARED
FOR SUDDEN CHANGES IN VISIBILITY AND WIND GUSTS OF 60 MPH OR GREATER.

LAT...LON 3274 11090 3280 11128 3252 11135 3252 11095

$$

WEATHER.GOV/TUCSON
2 follow-up statements
000 
WWUS55 KTWC 300049
SVSTWC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
548 PM MST THU JUN 29 2006

AZC021-300115-
/O.CON.KTWC.SV.W.0021.000000T0000Z-060630T0115Z/
PINAL AZ-
548 PM MST THU JUN 29 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MST
FOR SOUTH CENTRAL PINAL COUNTY...

AT 540 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED 15 MILES EAST OF RED ROCK...OR ABOUT 14 MILES NORTHWEST OF
ORO VALLEY...MOVING NORTH AT 5 MPH.

THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS
OF THE INDICATED COUNTY.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO 
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS 
IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. 
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE 
STRUCK BY LIGHTNING.  

THIS STORM WILL PRODUCE DAMAGING WINDS AND BLOWING DUST. BE PREPARED
FOR SUDDEN CHANGES IN VISIBILITY AND WIND GUSTS OF 60 MPH OR GREATER.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MST
THIS EVENING FOR SOUTH CENTRAL ARIZONA.

LAT...LON 3274 11090 3280 11128 3252 11135 3252 11095

$$

WEATHER.GOV/TUCSON
000 
WWUS55 KTWC 300113
SVSTWC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
610 PM MST THU JUN 29 2006

AZC021-300120-
/O.EXP.KTWC.SV.W.0021.000000T0000Z-060630T0115Z/
PINAL AZ-
610 PM MST THU JUN 29 2006

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL PINAL COUNTY
EXPIRES AT 615 PM MST...

THE STRONG THUNDERSTORMS OVER SOUTH CENTRAL PINAL COUNTY HAVE 
WEAKENED BELOW SEVERE LEVELS. THEREFORE...THE SEVERE THUNDERSTORM 
WARNING HAS BEEN ALLOWED TO EXPIRE AT 615 PM MST. 

HOWEVER...SIGNIFICANT RAINFALL RUNOFF FROM THESE STORMS WILL 
CONTINUE TO PRODUCE LOCALIZED FLASH FLOODING...ESPECIALLY THOSE 
AREAS NEAR THE TORTOLITA MOUNTAIN. A FLASH FLOOD WARNING REMAINS IN 
EFFECT FOR SOUTH CENTRAL PINAL COUNTY UNTIL 630 PM MST.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MST 
THURSDAY EVENING FOR SOUTH CENTRAL ARIZONA.

LAT...LON 3274 11090 3280 11128 3252 11135 3252 11095

$$

WEATHER.GOV/TUCSON

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 5:03 PM MSTFlash Flood WarningTWCPinal27 min
Jun 29, 5:11 PM MSTDust Storm WarningTWC74 min
Jun 29, 6:27 PM MSTFlash Flood WarningTWCPima, Pinal33 min
Jun 29, 6:29 PM MSTSevere Thunderstorm WarningTWCPima31 min
Jun 29, 6:58 PM MSTSevere Thunderstorm WarningTWCPima34 min
Jun 29, 8:19 PM MSTSevere Thunderstorm WarningTWCPima26 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2006Every severe thunderstorm warning in 2006

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.