Alert archive / Arizona / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 37, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jul 24, 2012, 1:06 PM MST for Pima County, Arizona. It was in force for 39 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 24, 2012, 1:06 PM MST (20:06 UTC)
- Expired
- Jul 24, 2012, 1:45 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), 63 km from the middle of the area, began a volume at 20:07 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 12:00Z, 8.1 hours before the alert went out and 24 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
- 89 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1737 m above ground
- 0-6 km bulk shear
- 1 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
232 WUUS55 KTWC 242006 SVRTWC AZC019-242045- /O.NEW.KTWC.SV.W.0037.120724T2006Z-120724T2045Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON AZ 106 PM MST TUE JUL 24 2012 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN PIMA COUNTY IN SOUTH CENTRAL ARIZONA... THIS INCLUDES THE CITIES OF...TUCSON...ORO VALLEY...MARANA... * UNTIL 145 PM MST * AT 100 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 SOUTHEAST OF MARANA... AND MOVING EAST AT 10 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO NORTHWEST TUCSON AND ORO VALLEY. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXPECT DAMAGING WINDS IN EXCESS OF 60 MPH...LARGE HAIL...FREQUENT LIGHTNING...AND HEAVY RAIN WITH THIS STORM. && LAT...LON 3247 11086 3222 11085 3224 11122 3242 11123 TIME...MOT...LOC 2006Z 268DEG 8KT 3234 11112 $$ MEYER
2 follow-up statements
799 WWUS55 KTWC 242022 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 122 PM MST TUE JUL 24 2012 AZC019-242045- /O.CON.KTWC.SV.W.0037.000000T0000Z-120724T2045Z/ PIMA AZ- 122 PM MST TUE JUL 24 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 PM MST FOR NORTHEASTERN PIMA COUNTY... AT 115 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR INTERSTATE 10 BETWEEN MARANA AND NORTHWEST TUCSON BUT WAS STARTING TO WEAKEN. ANOTHER STORMS WAS DEVELOPING NEAR CENTRAL AND NORTHERN PORTIONS OF MID TOWN TUCSON. STORM MOVEMENT WAS TO THE EAST AT ABOUT 10 MPH. PRECAUTIONARY/PREPAREDNESS ACTIONS... EXPECT DAMAGING WINDS IN EXCESS OF 60 MPH...LARGE HAIL...FREQUENT LIGHTNING...AND HEAVY RAIN WITH THIS STORM. && LAT...LON 3247 11086 3222 11085 3224 11122 3242 11123 TIME...MOT...LOC 2019Z 268DEG 8KT 3235 11106 $$ MEYER
818 WWUS55 KTWC 242043 SVSTWC SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 143 PM MST TUE JUL 24 2012 AZC019-242051- /O.EXP.KTWC.SV.W.0037.000000T0000Z-120724T2045Z/ PIMA AZ- 143 PM MST TUE JUL 24 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PIMA COUNTY WILL EXPIRE AT 145 PM MST... AT 140 PM MST THE THUNDERSTORMS MOVING INTO THE ORO VALLEY AND CATALINA FOOTHILLS AREAS WERE WEAKENING. WIND GUSTS TO 40 MPH ALONG WITH LOCALLY HEAVY RAIN WILL BE POSSIBLE WITH THESE STORMS. ADDITIONAL THUNDERSTORM DEVELOPMENT IS EXPECTED THROUGH MID AFTERNOON IN EASTERN PIMA COUNTY. LAT...LON 3247 11086 3222 11085 3224 11122 3242 11123 TIME...MOT...LOC 2041Z 268DEG 8KT 3235 11100 $$ MEYER
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 23, 5:20 PM MST | Special Weather Statement | TWC | 40 min | |
| Jul 23, 5:35 PM MST | Areal Flood Advisory | TWC | Pima | 85 min |
| Jul 23, 5:40 PM MST | Areal Flood Advisory | TWC | Pinal | 80 min |
| Jul 23, 6:04 PM MST | Special Weather Statement | TWC | 41 min | |
| Jul 23, 6:24 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 81 min |
| Jul 23, 8:03 PM MST | Areal Flood Advisory | TWC | Cochise | 87 min |
| Jul 24, 10:57 AM MST | Special Weather Statement | TWC | Cochise | 33 min |
| Jul 24, 11:00 AM MST | Severe Thunderstorm Warning | TWC | Cochise | 45 min |
| Jul 24, 11:09 AM MST | Special Weather Statement | TWC | Cochise | 51 min |
| Jul 24, 11:44 AM MST | Severe Thunderstorm Warning | TWC | Cochise | 46 min |
| Jul 24, 12:19 PM MST | Special Weather Statement | TWC | 41 min | |
| Jul 24, 12:45 PM MST | Special Weather Statement | TWC | Cochise | 30 min |
| Jul 24, 2:10 PM MST | Areal Flood Advisory | TWC | Pima | 110 min |
| Jul 24, 2:34 PM MST | Special Weather Statement | TWC | 41 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.