Alert archive / Arizona / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 69, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Aug 4, 2011, 5:35 PM MST for Pima County, Arizona. It was in force for 40 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
- Aug 4, 2011, 5:35 PM MST (00:35 UTC)
- Expired
- Aug 4, 2011, 6:15 PM MST
- In force
- 40 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
County Pima County, AZ
The radar
The Tucson radar (KEMX), 143 km from the middle of the area, began a volume at 00:38 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 (KTUS), launched 00:00Z, 0.6 hours before the alert went out and 123 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
- 162 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 3241 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- -14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
116 WUUS55 KTWC 050035 SVRTWC AZC019-050115- /O.NEW.KTWC.SV.W.0069.110805T0035Z-110805T0115Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON AZ 535 PM MST THU AUG 4 2011 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL PIMA COUNTY IN SOUTH CENTRAL ARIZONA... * UNTIL 615 PM MST * AT 530 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 6 MILES NORTH OF PAPAGO FARMS... OR 27 MILES WEST OF SELLS NEAR SANTA CRUZ...AND MOVING NORTHWEST AT 10 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SANTA CRUZ PRECAUTIONARY/PREPAREDNESS ACTIONS... SEEK SHELTER INDOORS. EXPECT DAMAGING WINDS IN EXCESS OF 60 MPH... LARGE HAIL...FREQUENT LIGHTNING...AND HEAVY RAIN WITH THIS STORM. && LAT...LON 3188 11188 3162 11197 3180 11251 3201 11246 TIME...MOT...LOC 0035Z 127DEG 7KT 3187 11235 $$ CS
2 follow-up statements
428 WWUS55 KTWC 050059 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 559 PM MST THU AUG 4 2011 AZC019-050115- /O.CON.KTWC.SV.W.0069.000000T0000Z-110805T0115Z/ PIMA AZ- 559 PM MST THU AUG 4 2011 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MST FOR SOUTH CENTRAL PIMA COUNTY... AT 554 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR PAPAGO FARMS...OR 27 MILES WEST OF SELLS...MOVING EAST AT 5 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEEK SHELTER INDOORS. EXPECT DAMAGING WINDS IN EXCESS OF 60 MPH... LARGE HAIL...FREQUENT LIGHTNING...AND HEAVY RAIN WITH THIS STORM. && LAT...LON 3188 11188 3162 11197 3180 11251 3201 11246 TIME...MOT...LOC 0058Z 124DEG 6KT 3180 11231 $$ CS
380 WWUS55 KTWC 050115 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 615 PM MST THU AUG 4 2011 AZC019-050125- /O.EXP.KTWC.SV.W.0069.000000T0000Z-110805T0115Z/ PIMA AZ- 615 PM MST THU AUG 4 2011 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL PIMA COUNTY HAS EXPIRED... LAT...LON 3188 11188 3162 11197 3180 11251 3201 11246 TIME...MOT...LOC 0115Z 124DEG 6KT 3182 11234 $$ CS
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 6:07 PM MST | Areal Flood Advisory | TWC | Pima | 113 min |
| Aug 4, 7:11 PM MST | Areal Flood Advisory | TWC | Pima | 79 min |
| Aug 5, 1:11 PM MST | Areal Flood Advisory | TWC | Cochise | 2 hr |
| Aug 5, 2:52 PM MST | Areal Flood Advisory | TWC | Cochise | 113 min |
| Aug 5, 3:35 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 25 min |
| Aug 5, 3:51 PM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 114 min |
| Aug 5, 4:27 PM MST | Areal Flood Advisory | TWC | Cochise | 93 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2011Every severe thunderstorm warning in 2011
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.