Alert archive / Arizona / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 49, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Aug 7, 2012, 11:03 PM MST for Santa Cruz County, Arizona. It was in force for 42 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 7, 2012, 11:03 PM MST (06:03 UTC)
- Expired
- Aug 7, 2012, 11:45 PM MST
- In force
- 42 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
County Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 43 km from the middle of the area, began a volume at 06:04 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, 6.1 hours before the alert went out and 63 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
- 939 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 2973 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 51 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
223
WUUS55 KTWC 080603
SVRTWC
AZC023-080645-
/O.NEW.KTWC.SV.W.0049.120808T0603Z-120808T0645Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
1103 PM MST TUE AUG 7 2012
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CENTRAL SANTA CRUZ COUNTY IN SOUTHEAST ARIZONA...
* UNTIL 1145 PM MST
* AT 1054 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 65 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM 10 MILES NORTHEAST OF TUBAC TO 7 MILES EAST OF TUBAC TO 14
MILES SOUTHEAST OF TUBAC...AND MOVING WEST AT 25 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RIO
RICO...TUMACACORI AND AMADO.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEEK SHELTER INDOORS. EXPECT DAMAGING WINDS IN EXCESS OF 65 MPH...
FREQUENT LIGHTNING...AND HEAVY RAIN WITH THIS STORM.
&&
LAT...LON 3172 11080 3160 11086 3147 11068 3143 11112
3160 11115 3171 11115
TIME...MOT...LOC 0602Z 091DEG 16KT 3169 11094 3160 11097
3153 11087
$$
MEYER1 follow-up statement
402
WWUS55 KTWC 080639
SVSTWC
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
1139 PM MST TUE AUG 7 2012
AZC023-080648-
/O.EXP.KTWC.SV.W.0049.000000T0000Z-120808T0645Z/
SANTA CRUZ AZ-
1139 PM MST TUE AUG 7 2012
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL SANTA CRUZ COUNTY WILL
EXPIRE AT 1145 PM MST...
AT 1138 PM MST THUNDERSTORMS WERE WEAKENING ACROSS MOST OF SANTA
CRUZ COUNTY.
LAT...LON 3172 11080 3160 11086 3147 11068 3143 11112
3160 11115 3171 11115
TIME...MOT...LOC 0638Z 091DEG 16KT 3169 11113 3160 11116
3153 11106
$$
MEYERThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 9:40 PM MST | Special Weather Statement | TWC | Cochise | 50 min |
| Aug 7, 10:06 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 39 min |
| Aug 7, 10:11 PM MST | Special Weather Statement | TWC | Santa Cruz | 49 min |
| Aug 7, 10:32 PM MST | Special Weather Statement | TWC | Santa Cruz | 43 min |
| Aug 8, 3:35 PM MST | Special Weather Statement | TWC | Graham | 25 min |
| Aug 8, 3:35 PM MST | Severe Thunderstorm Warning | TWC | Pima | 40 min |
| Aug 8, 3:41 PM MST | Special Weather Statement | TWC | Cochise | 34 min |
| Aug 8, 4:02 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Santa Cruz | 43 min |
| Aug 8, 4:17 PM MST | Severe Thunderstorm Warning | TWC | Pima | 58 min |
| Aug 8, 4:31 PM MST | Areal Flood Advisory | TWC | Cochise | 67 min |
| Aug 8, 4:46 PM MST | Severe Thunderstorm Warning | TWC | Santa Cruz | 44 min |
| Aug 8, 4:55 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 65 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.