Alert archive / Arizona / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 21, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jul 13, 2017, 4:56 PM MST for Cochise County, Arizona. It was in force for 49 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 13, 2017, 4:56 PM MST (23:56 UTC)
- Expired
- Jul 13, 2017, 5:45 PM MST
- In force
- 49 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 51 km from the middle of the area, began a volume at 23:56 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 12:00Z, 11.9 hours before the alert went out and 86 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
- 677 J/kg
- Mixed-layer CIN
- -277 J/kg
- Mixed-layer LCL
- 1612 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 43 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
892
WUUS55 KTWC 132356
SVRTWC
AZC003-140045-
/O.NEW.KTWC.SV.W.0021.170713T2356Z-170714T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Tucson AZ
456 PM MST THU JUL 13 2017
The National Weather Service in Tucson has issued a
* Severe Thunderstorm Warning for...
Southwestern Cochise County in southeastern Arizona...
* Until 545 PM MST
* At 454 PM MST, a severe thunderstorm was located 17 miles
southeast of Benson, or just northeast of Tombstone, moving
southwest at 5 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Tombstone and Fairbank.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is also occurring with this
storm. Move indoors immediately. Lightning is one of nature's
leading killers. Remember, if you can hear thunder, you are close
enough to be struck by lightning.
&&
LAT...LON 3192 11014 3181 10991 3158 11001 3174 11032
TIME...MOT...LOC 2354Z 028DEG 6KT 3181 11006
HAIL...1.00IN
WIND...60MPH
$$
French2 follow-up statements
539 WWUS55 KTWC 140022 SVSTWC Severe Weather Statement National Weather Service Tucson AZ 522 PM MST THU JUL 13 2017 AZC003-140045- /O.CON.KTWC.SV.W.0021.000000T0000Z-170714T0045Z/ Cochise- 522 PM MST THU JUL 13 2017 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM MST FOR SOUTHWESTERN COCHISE COUNTY... At 521 PM MST, a severe thunderstorm was just north of Tombstone, moving southwest at 5 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Tombstone and Fairbank. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3189 11014 3181 10991 3158 11001 3172 11026 TIME...MOT...LOC 0021Z 028DEG 6KT 3178 11008 HAIL...<.75IN WIND...60MPH $$ French
030
WWUS55 KTWC 140041
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
541 PM MST THU JUL 13 2017
AZC003-140050-
/O.EXP.KTWC.SV.W.0021.000000T0000Z-170714T0045Z/
Cochise-
541 PM MST THU JUL 13 2017
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN COCHISE COUNTY
WILL EXPIRE AT 545 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 and other severe
thunderstorms remain in the area.
LAT...LON 3189 11014 3181 10991 3158 11001 3172 11026
TIME...MOT...LOC 0040Z 028DEG 6KT 3175 11010
$$
FrenchThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 5:15 PM MST | Special Weather Statement | TWC | Graham | 60 min |
| Jul 12, 5:20 PM MST | Special Weather Statement | TWC | 40 min | |
| Jul 12, 5:31 PM MST | Severe Thunderstorm Warning | TWC | Graham, Pinal | 44 min |
| Jul 12, 5:40 PM MST | Areal Flood Advisory | TWC | Graham, Greenlee | 50 min |
| Jul 12, 6:20 PM MST | Special Weather Statement | TWC | 40 min | |
| Jul 12, 8:18 PM MST | Special Weather Statement | TWC | 42 min | |
| Jul 12, 8:49 PM MST | Special Weather Statement | TWC | 41 min | |
| Jul 12, 8:56 PM MST | Flash Flood Warning | TWC | Pima, Pinal | 2 hr |
| Jul 12, 9:39 PM MST | Areal Flood Advisory | TWC | Pima | 111 min |
| Jul 12, 10:19 PM MST | Special Weather Statement | TWC | Santa Cruz | 41 min |
| Jul 12, 11:25 PM MST | Areal Flood Advisory | TWC | Santa Cruz | 2 hr |
| Jul 13, 1:15 PM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 3 hr |
| Jul 13, 1:36 PM MST | Special Weather Statement | TWC | Graham | 39 min |
| Jul 13, 3:42 PM MST | Special Weather Statement | TWC | Santa Cruz | 48 min |
| Jul 13, 3:43 PM MST | Special Weather Statement | TWC | 47 min | |
| Jul 13, 3:58 PM MST | Blowing Dust Advisory | TWC | Cochise | 62 min |
| Jul 13, 4:16 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima, Santa Cruz | 17 min |
| Jul 13, 4:19 PM MST | Special Weather Statement | TWC | Cochise | 41 min |
| Jul 13, 4:29 PM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 3 hr |
| Jul 13, 4:42 PM MST | Severe Thunderstorm Warning | TWC | Graham, Pinal | 48 min |
| Jul 13, 4:44 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Pima | 46 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2017Every severe thunderstorm warning in 2017
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.