Alert archive / Arizona / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 2, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jun 16, 2012, 3:21 PM MST for Pima 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 16, 2012, 3:21 PM MST (22:21 UTC)
- Expired
- Jun 16, 2012, 4:00 PM MST
- In force
- 39 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
County Pima County, AZ
The radar
The Tucson radar (KEMX), 76 km from the middle of the area, began a volume at 22:23 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 |
|---|---|---|---|
| Jun 16, 3:42 PM MST | TSTM WND DMG | Marana, AZ | SPOTTER REPORTS TREE LIMBS DOWN. 0.75 MILE WEST OF TWIN PEAKS EXIT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 10.4 hours before the alert went out and 39 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3381 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 150 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
487 WUUS55 KTWC 162221 SVRTWC AZC019-162300- /O.NEW.KTWC.SV.W.0002.120616T2221Z-120616T2300Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON AZ 321 PM MST SAT JUN 16 2012 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL PIMA COUNTY IN SOUTH CENTRAL ARIZONA... THIS INCLUDES THE CITY OF MARANA... * UNTIL 400 PM MST * AT 315 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 NEAR RYAN FIELD AND PICTURE ROCKS WEST OF TUCSON...AND MOVING NORTH AT 15 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SAGUARO NATIONAL PARK WEST AND PICTURE ROCKS. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEEK SHELTER INDOORS. EXPECT DAMAGING WINDS IN EXCESS OF 60 MPH... LARGE HAIL...FREQUENT LIGHTNING...AND AREAS OF BLOWING DUST FOLLOWED BY HEAVY RAINFALL. && LAT...LON 3239 11150 3246 11109 3211 11108 3206 11128 TIME...MOT...LOC 2219Z 163DEG 8KT 3217 11121 $$ MEYER
2 follow-up statements
059 WWUS55 KTWC 162242 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 342 PM MST SAT JUN 16 2012 AZC019-162300- /O.CON.KTWC.SV.W.0002.000000T0000Z-120616T2300Z/ PIMA AZ- 342 PM MST SAT JUN 16 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM MST FOR CENTRAL PIMA COUNTY... AT 336 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE AN AREA OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS EXTENDED FROM NEAR MARANA SOUTHWARD TO WEST OF RYAN FILED...MOVING NORTH AT 10 MPH. LAT...LON 3239 11150 3246 11109 3211 11108 3206 11128 TIME...MOT...LOC 2240Z 163DEG 8KT 3221 11123 $$ MEYER
787 WWUS55 KTWC 162257 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 357 PM MST SAT JUN 16 2012 AZC019-162306- /O.EXP.KTWC.SV.W.0002.000000T0000Z-120616T2300Z/ PIMA AZ- 357 PM MST SAT JUN 16 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PIMA COUNTY WILL EXPIRE AT 400 PM MST... AT 355 PM MST THE THUNDERSTORMS NEAR MARANA...PICTURE ROCKS AND RYAN FIELD HAD DIMINISHED IN INTENSITY AND MOVED NORTH AND WEST. LAT...LON 3239 11150 3246 11109 3211 11108 3206 11128 TIME...MOT...LOC 2256Z 163DEG 8KT 3224 11124 $$ MEYER
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 1:15 PM MST | Special Weather Statement | TWC | 45 min | |
| Jun 16, 1:50 PM MST | Special Weather Statement | TWC | Santa Cruz | 25 min |
| Jun 16, 2:22 PM MST | Special Weather Statement | TWC | 38 min | |
| Jun 16, 2:38 PM MST | Severe Thunderstorm Warning | TWC | Pima | 37 min |
| Jun 16, 3:38 PM MST | Dust Storm Warning | TWC | Pima, Pinal | 112 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2012Every severe thunderstorm warning in 2012
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.