Alert archive / Arizona / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 21, NWS Phoenix, AZ

July 15, 2006Maricopa County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Jul 15, 2006, 6:09 PM MST for Maricopa County, Arizona. It was in force for 66 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 15, 2006, 6:09 PM MST (01:09 UTC)
Expired: Jul 15, 2006, 7:15 PM MST
In force: 66 min
Issued by: NWS Phoenix, AZ
Area: Counties, with a storm outline in the text

County Maricopa County, AZ

The radar

The Phoenix radar (KIWA), 87 km from the middle of the area, began a volume at 01:08 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 watch it was issued in

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

Issued	Product	Office	Lasted
Jul 15, 12:22 PM MST	Severe Thunderstorm Watch	SPC	9 hr

The nearest sounding before it

Phoenix, AZ (KPSR), launched 00:00Z, 1.2 hours before the alert went out and 56 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: 38 J/kg
Mixed-layer CIN: -229 J/kg
Mixed-layer LCL: 3326 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 57 m²/s²
0-3 km storm-relative helicity: 109 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 KPSR 160110
SVRPSR
AZC013-160215-
/O.NEW.KPSR.SV.W.0021.060716T0109Z-060716T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
609 PM MST SAT JUL 15 2006

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL MARICOPA COUNTY IN SOUTH CENTRAL ARIZONA
  THIS INCLUDES THE CITY OF BUCKEYE

* UNTIL 715 PM MST

* AT 602 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 8 MILES NORTHWEST OF
  PERRYVILLE...OR ABOUT 10 MILES NORTH OF BUCKEYE...AND MOVING
  SOUTHWEST TOWARDS INTERSTATE 10...AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL OTHERWISE REMAIN OVER MAINLY RURAL
  AREAS OF MARICOPA COUNTY...OVER THE WHITE TANK MTNS.

DENSE BLOWING DUST IS POSSIBLE WITH THIS SEVERE STORM. VISIBILITIES
MAY BE REDUCED AT TIMES TO NEAR ZERO...MAKING FOR VERY DANGEROUS
DRIVING CONDITIONS. BE SURE TO SLOW DOWN IF DENSE BLOWING DUST IS
ENCOUNTERED AND LEAVE PLENTY OF ROOM BETWEEN YOU AND THE CAR AHEAD OF
YOU.

LAT...LON 3358 11239 3365 11270 3342 11285 3333 11249

$$
SAS

2 follow-up statements

000 
WWUS55 KPSR 160144
SVSPSR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
640 PM MST SAT JUL 15 2006

AZC013-160215-
/O.CON.KPSR.SV.W.0021.000000T0000Z-060716T0215Z/
MARICOPA AZ-
640 PM MST SAT JUL 15 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MST
FOR CENTRAL MARICOPA COUNTY...

AT 638 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 4 MILES WEST OF BUCKEYE. 
MOVEMENT WAS SOUTH AT ABOUT 20 MPH.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MST
SATURDAY EVENING FOR SOUTHWESTERN ARIZONA.

LAT...LON 3358 11239 3365 11270 3342 11285 3333 11249

$$
SAS

000 
WWUS55 KPSR 160212
SVSPSR

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
712 PM MST SAT JUL 15 2006

AZC013-160228-
/O.EXP.KPSR.SV.W.0021.000000T0000Z-060716T0215Z/
MARICOPA AZ-
712 PM MST SAT JUL 15 2006

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL MARICOPA COUNTY IN 
THE BUCKEYE AREA WILL EXPIRE AT 715 PM MST...

DOPPLER RADAR INDICATED THUNDERSTORMS IN THE BUCKEYE AREA HAVE 
DISSIPATED RAPIDLY IN THE PAST 20 MINUTES. THUS THE SEVERE 
THUNDERSTORM WARNING WILL EXPIRE AT 715 PM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM MST
SATURDAY EVENING FOR SOUTHWESTERN ARIZONA.

LAT...LON 3358 11239 3365 11270 3342 11285 3333 11249

$$
SAS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 15, 7:57 PM MST	Severe Thunderstorm Warning	PSR	Yuma	63 min
Jul 15, 8:51 PM MST	Severe Thunderstorm Warning	PSR	Yuma	39 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2006 Every 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.