Alert archive / Arizona / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 33, NWS Tucson, AZ

July 29, 2016Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 29, 2016, 5:16 PM MST for Pima County, Arizona. It was in force for 59 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: Jul 29, 2016, 5:16 PM MST (00:16 UTC)
Expired: Jul 29, 2016, 6:15 PM MST
In force: 59 min
Issued by: NWS Tucson, AZ
Area: Storm-based polygon

County Pima County, AZ

The radar

The Tucson radar (KEMX), 53 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.

What was reported inside it

Time	Report	Where	Remark
Jul 29, 5:53 PM MST	TSTM WND GST 74	11 E Tucson, AZ	74 MPH WIND GUST RECORDED ON CWOP SITE CW6532

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

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 29, 4:58 PM MST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Tuscon, AZ (KDMA), launched 00:00Z, 0.3 hours before the alert went out and 30 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: 933 J/kg
Mixed-layer CIN: -53 J/kg
Mixed-layer LCL: 3118 m above ground
0-6 km bulk shear: 14 kt
0-1 km storm-relative helicity: 6 m²/s²
0-3 km storm-relative helicity: 55 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

027 
WUUS55 KTWC 300016
SVRTWC
AZC019-300115-
/O.NEW.KTWC.SV.W.0033.160730T0016Z-160730T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
516 PM MST FRI JUL 29 2016

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

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

* UNTIL 615 PM MST

* AT 515 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 9 MILES NORTHEAST OF
  TANQUE VERDE...OR 20 MILES NORTHEAST OF TUCSON...AND MOVING WEST
  AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  TUCSON...ORO VALLEY...TANQUE VERDE...SEVEN FALLS...
  CATALINA FOOTHILLS...MOUNT LEMMON/SUMMERHAVEN...
  CATALINA STATE PARK...SABINO CANYON...REDINGTON AND CATALINA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS...LARGE HAIL...DEADLY
LIGHTNING AND VERY HEAVY RAIN. FOR YOUR PROTECTION...SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. HEAVY RAINS
FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD.

&&

LAT...LON 3247 11049 3220 11051 3222 11096 3249 11095
TIME...MOT...LOC 0015Z 088DEG 11KT 3235 11062 

$$

MOLLERE

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 29, 5:07 PM MST	Severe Thunderstorm Warning	TWC	Pima	53 min
Jul 29, 5:22 PM MST	Special Weather Statement	TWC	Pima	53 min
Jul 29, 5:32 PM MST	Areal Flood Advisory	TWC	Pima, Pinal	118 min
Jul 29, 5:43 PM MST	Severe Thunderstorm Warning	TWC	Pima	62 min
Jul 29, 5:59 PM MST	Severe Thunderstorm Warning	TWC	Pima	46 min
Jul 29, 6:01 PM MST	Severe Thunderstorm Warning	TWC	Pima	74 min
Jul 29, 6:07 PM MST	Flash Flood Warning	TWC	Pima	113 min
Jul 29, 6:13 PM MST	Special Weather Statement	TWC	Pinal	77 min
Jul 29, 6:35 PM MST	Dust Storm Warning	TWC	Pima, Pinal	4 hr
Jul 29, 7:05 PM MST	Special Weather Statement	TWC	Pima	70 min
Jul 29, 7:46 PM MST	Areal Flood Advisory	TWC	Pima, Pinal	119 min
Jul 29, 8:19 PM MST	Special Weather Statement	TWC	Pima	71 min
Jul 29, 10:15 PM MST	Severe Thunderstorm Warning	TWC	Pima	60 min
Jul 30, 12:02 AM MST	Special Weather Statement	TWC		28 min
Jul 30, 3:10 PM MST	Special Weather Statement	TWC	Santa Cruz	35 min
Jul 30, 4:41 PM MST	Special Weather Statement	TWC	Santa Cruz	49 min
Jul 30, 4:54 PM MST	Special Weather Statement	TWC	Cochise	51 min
Jul 30, 4:56 PM MST	Areal Flood Advisory	TWC	Cochise	2 hr

Nearby

Severe Thunderstorm Warnings in Arizona, 2016 Every 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.