Alert archive / Arizona / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 1, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jan 25, 2021, 2:44 PM MST for Pima County, Arizona. It was in force for 46 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
- Jan 25, 2021, 2:44 PM MST (21:44 UTC)
- Expired
- Jan 25, 2021, 3:30 PM MST
- In force
- 46 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Pima County, AZ
The radar
The Tucson radar (KEMX), 127 km from the middle of the area, began a volume at 21:44 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, 9.7 hours before the alert went out and 99 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
- 996 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 191 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
696 WUUS55 KTWC 252144 SVRTWC AZC019-252230- /O.NEW.KTWC.SV.W.0001.210125T2144Z-210125T2230Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Tucson AZ 244 PM MST Mon Jan 25 2021 The National Weather Service in Tucson has issued a * Severe Thunderstorm Warning for... North central Pima County in southeastern Arizona... * Until 330 PM MST. * At 243 PM MST, a severe thunderstorm was located 14 miles northwest of Sells, moving northeast at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Santa Rosa, San Isidro, Kitt Peak, Covered Wells, Anegam, Palo Verde Stand, Ak Chin, Queens Well, No:ligk, Comobabi, South Comobabi, Cababi, Santa Rosa Ranch, Sil Nakya, San Luis - Sells District, Mountain Village, Pan Tak, San Luis, Rincon and Santa Rosa School. This includes Route 86 between mile markers 86 and 111, and between mile markers 122 and 137. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3193 11217 3240 11226 3250 11164 3196 11151 TIME...MOT...LOC 2143Z 243DEG 40KT 3208 11204 HAIL...0.75IN WIND...60MPH $$ RH
3 follow-up statements
127 WWUS55 KTWC 252205 SVSTWC Severe Weather Statement National Weather Service Tucson AZ 305 PM MST Mon Jan 25 2021 AZC019-252230- /O.CON.KTWC.SV.W.0001.000000T0000Z-210125T2230Z/ Pima- 305 PM MST Mon Jan 25 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM MST FOR NORTH CENTRAL PIMA COUNTY... At 304 PM MST, a severe thunderstorm was located 13 miles north of San Isidro, or 19 miles north of Sells, moving northeast at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... Santa Rosa, San Isidro, Kitt Peak, Anegam, Palo Verde Stand, Ak Chin, Queens Well, No:ligk, Comobabi, South Comobabi, Cababi, Santa Rosa Ranch, Sil Nakya, San Luis - Sells District, Pan Tak, San Luis, Rincon and Santa Rosa School. This includes Route 86 between mile markers 96 and 110, and between mile markers 122 and 137. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3194 11209 3243 11207 3250 11164 3196 11151 TIME...MOT...LOC 2204Z 243DEG 40KT 3219 11179 HAIL...0.75IN WIND...60MPH $$ RH
053 WWUS55 KTWC 252216 SVSTWC Severe Weather Statement National Weather Service Tucson AZ 316 PM MST Mon Jan 25 2021 AZC019-252230- /O.CON.KTWC.SV.W.0001.000000T0000Z-210125T2230Z/ Pima- 316 PM MST Mon Jan 25 2021 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM MST FOR NORTH CENTRAL PIMA COUNTY... At 312 PM MST, a severe thunderstorm was located 15 miles north of San Isidro, or 24 miles northeast of Sells, moving northeast at 45 mph. HAZARD...60 mph wind gusts and penny size hail. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. Locations impacted include... San Isidro, Kitt Peak, Queens Well, No:ligk, Comobabi, South Comobabi, Cababi, Santa Rosa Ranch, Sil Nakya, San Luis - Sells District, Pan Tak and Rincon. This includes Route 86 between mile markers 107 and 109, and between mile markers 123 and 137. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 3195 11198 3245 11195 3250 11164 3196 11151 TIME...MOT...LOC 2212Z 243DEG 40KT 3223 11169 TORNADO...POSSIBLE HAIL...0.75IN WIND...60MPH $$ RH
100
WWUS55 KTWC 252228
SVSTWC
Severe Weather Statement
National Weather Service Tucson AZ
328 PM MST Mon Jan 25 2021
AZC019-252238-
/O.EXP.KTWC.SV.W.0001.000000T0000Z-210125T2230Z/
Pima-
328 PM MST Mon Jan 25 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL PIMA COUNTY WILL
EXPIRE AT 330 PM MST...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
LAT...LON 3195 11198 3245 11195 3250 11164 3196 11151
TIME...MOT...LOC 2228Z 243DEG 40KT 3229 11155
$$
RHThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 24, 5:05 PM MST | Special Weather Statement | TWC | Pinal | 40 min |
| Jan 25, 1:47 PM MST | Special Weather Statement | TWC | Pima | 43 min |
| Jan 25, 2:30 PM MST | Special Weather Statement | TWC | Pima, Pinal | 45 min |
| Jan 25, 3:20 PM MST | Special Weather Statement | TWC | Pima | 40 min |
| Jan 25, 3:24 PM MST | Severe Thunderstorm Warning | TWC | Pima | 36 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2021Every severe thunderstorm warning in 2021
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.