Alert archive / Nevada / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 3, NWS Reno, NV
NWS Reno, NV issued this severe thunderstorm warning at Apr 22, 2012, 8:57 PM PDT for Lyon County, Storey County, Washoe County, Nevada. It was in force for 48 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
- Apr 22, 2012, 8:57 PM PDT (03:57 UTC)
- Expired
- Apr 22, 2012, 9:45 PM PDT
- In force
- 48 min
- Issued by
- NWS Reno, NV
- Area
- Storm-based polygon
Counties Lyon County, NV, Storey County, NV, Washoe County, NV
The radar
The Reno radar (KRGX), 28 km from the middle of the area, began a volume at 03:57 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
Reno, NV (KREV), launched 00:00Z, 4.0 hours before the alert went out and 105 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
- 3936 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
667 WUUS55 KREV 230357 SVRREV NVC019-029-031-230445- /O.NEW.KREV.SV.W.0003.120423T0357Z-120423T0445Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RENO NV 857 PM PDT SUN APR 22 2012 THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTH CENTRAL LYON COUNTY IN WESTERN NEVADA... EASTERN STOREY COUNTY IN WESTERN NEVADA... SOUTHEASTERN WASHOE COUNTY IN WESTERN NEVADA... * UNTIL 945 PM PDT * AT 849 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR FORT CHURCHILL STATE PARK...OR 17 MILES SOUTHWEST OF LAHONTAN RESERVOIR...AND MOVING NORTH AT 20 MPH. * LOCATIONS AFFECTED INCLUDE...FORT CHURCHILL STATE PARK...STAGECOACH AND DERBY DAM. PREPARE NOW FOR HIGH WINDS...HAIL...HEAVY RAIN AND DEADLY LIGHTNING. DURING A SEVERE THUNDERSTORM...SEEK SHELTER INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS. THIS STORM HAS DEVELOPED VERY QUICKLY...AND WILL PRODUCE A BURST OF HIGH WINDS...HAIL...HEAVY RAIN...AND FREQUENT CLOUD TO GROUND LIGHTNING. AREAS OF BLOWING DUST MAY RAPIDLY REDUCE VISIBILITIES TO BELOW ONE MILE. SEEK SAFE SHELTER...AND STAY AWAY FROM WINDOWS AND GLASS DOORS. LAT...LON 3966 11961 3973 11930 3925 11918 3920 11940 TIME...MOT...LOC 0357Z 165DEG 22KT 3935 11933 $$ JHW
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 5:22 PM PDT | Severe Thunderstorm Warning | REV | Churchill | 38 min |
| Apr 22, 5:59 PM PDT | Severe Thunderstorm Warning | REV | Churchill | 46 min |
| Apr 22, 6:52 PM PDT | Special Weather Statement | REV | 53 min | |
| Apr 22, 8:52 PM PDT | Special Weather Statement | REV | Storey | 38 min |
| Apr 22, 8:57 PM PDT | Special Weather Statement | REV | Storey | 1 min |
| Apr 23, 1:54 PM PDT | Special Weather Statement | REV | Storey | 21 min |
| Apr 23, 3:08 PM PDT | Special Weather Statement | REV | 32 min | |
| Apr 23, 4:16 PM PDT | Special Weather Statement | REV | 44 min |
Nearby
Severe Thunderstorm Warnings in Nevada, 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.