Alert archive / Arizona / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 40, NWS Tucson, AZ

July 31, 2016Cochise County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 31, 2016, 6:12 PM MST for Cochise County, Arizona. It was in force for 48 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 31, 2016, 6:12 PM MST (01:12 UTC)
Expired: Jul 31, 2016, 7:00 PM MST
In force: 48 min
Issued by: NWS Tucson, AZ
Area: Storm-based polygon

County Cochise County, AZ

The radar

The Tucson radar (KEMX), 53 km from the middle of the area, began a volume at 01:15 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 nearest sounding before it

Tuscon, AZ (KDMA), launched 00:00Z, 1.2 hours before the alert went out and 84 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: 688 J/kg
Mixed-layer CIN: -31 J/kg
Mixed-layer LCL: 2117 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: 86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

814 
WUUS55 KTWC 010112
SVRTWC
AZC003-010200-
/O.NEW.KTWC.SV.W.0040.160801T0112Z-160801T0200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
612 PM MST SUN JUL 31 2016

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL COCHISE COUNTY IN SOUTHEASTERN ARIZONA...

* UNTIL 700 PM MST

* AT 611 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 12 MILES SOUTHEAST OF
  BENSON...OR 7 MILES SOUTHEAST OF SAINT DAVID...AND MOVING WEST AT
  5 MPH.

* LOCATIONS IMPACTED INCLUDE...
  I-10 AND TEXAS CANYON AND ST. DAVID. 

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 3190 10996 3178 11005 3182 11028 3204 11011
TIME...MOT...LOC 0111Z 106DEG 6KT 3188 11011 

$$

2 follow-up statements

645 
WWUS55 KTWC 010129
SVSTWC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
629 PM MST SUN JUL 31 2016

AZC003-010200-
/O.CON.KTWC.SV.W.0040.000000T0000Z-160801T0200Z/
COCHISE-
629 PM MST SUN JUL 31 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM MST
FOR WEST CENTRAL COCHISE COUNTY...

AT 626 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 SOUTHEAST OF BENSON...OR 2 MILES
EAST OF SAINT DAVID...MOVING WEST AT 10 MPH.

THIS STORM IS MOVING TOWARD SAINT DAVID...AND WILL IMPACT SAINT
DAVID AND PORTIONS OF HIGHWAY 80 NEAR SAINT DAVID.


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 3190 10996 3178 11005 3182 11028 3204 11011
TIME...MOT...LOC 0126Z 092DEG 9KT 3188 11016 

$$

546 
WWUS55 KTWC 010156
SVSTWC

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
656 PM MST SUN JUL 31 2016

AZC003-010205-
/O.EXP.KTWC.SV.W.0040.000000T0000Z-160801T0200Z/
COCHISE-
656 PM MST SUN JUL 31 2016

...THE SEVERE THUNDERSTORM WARNING FOR WEST CENTRAL COCHISE COUNTY
WILL EXPIRE AT 700 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. 

HOWEVER...HEAVY RAIN IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 3190 10996 3178 11005 3182 11028 3204 11011
TIME...MOT...LOC 0148Z 106DEG 6KT 3188 11016 

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 31, 5:34 PM MST	Areal Flood Advisory	TWC	Cochise, Pima, Santa Cruz	116 min
Jul 31, 5:36 PM MST	Severe Thunderstorm Warning	TWC	Cochise	39 min
Jul 31, 6:09 PM MST	Special Weather Statement	TWC	Cochise	51 min
Jul 31, 6:41 PM MST	Flash Flood Warning	TWC	Cochise	109 min
Jul 31, 6:48 PM MST	Flash Flood Warning	TWC	Cochise	117 min
Jul 31, 7:55 PM MST	Areal Flood Advisory	TWC	Cochise, Graham, Pima, Santa Cruz	110 min
Jul 31, 8:10 PM MST	Flash Flood Warning	TWC	Cochise	110 min
Jul 31, 8:37 PM MST	Areal Flood Advisory	TWC	Pima	3 hr
Jul 31, 9:06 PM MST	Flash Flood Warning	TWC	Pima	114 min
Jul 31, 10:17 PM MST	Flash Flood Warning	TWC	Pima	3 hr
Jul 31, 10:42 PM MST	Areal Flood Advisory	TWC	Pima, Pinal	6 hr
Jul 31, 11:12 PM MST	Blowing Dust Advisory	TWC	Pima, Pinal	108 min
Aug 1, 2:35 PM MST	Areal Flood Advisory	TWC	Santa Cruz	55 min
Aug 1, 3:33 PM MST	Areal Flood Advisory	TWC	Cochise	57 min
Aug 1, 4:21 PM MST	Areal Flood Advisory	TWC	Pima, Pinal	54 min
Aug 1, 4:47 PM MST	Flash Flood Warning	TWC	Pima, Pinal	88 min

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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.