Alert archive / California / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 13, NWS Reno, NV
NWS Reno, NV issued this severe thunderstorm warning at Jul 31, 2003, 2:59 PM PDT for Nevada County, Placer County, Sierra County, California. It was in force for 16 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 31, 2003, 2:59 PM PDT (21:59 UTC)
- Expired
- Jul 31, 2003, 3:15 PM PDT
- In force
- 16 min
- Issued by
- NWS Reno, NV
- Area
- Whole counties
Counties Nevada County, CA, Placer County, CA, Sierra County, CA
The nearest sounding before it
Reno, NV (KREV), launched 12:00Z, 10.0 hours before the alert went out and 214 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
- 3 J/kg
- Mixed-layer CIN
- -379 J/kg
- Mixed-layer LCL
- 2514 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS55 KREV 312159 SVRREV CAC057-061-091-312215- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RENO NV 257 PM PDT THU JUL 31 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN NEVADA COUNTY IN CENTRAL CALIFORNIA THIS INCLUDES THE CITIES OF...DONNER SUMMIT...DONNER PASS...PROSSER CREEK RESERVOIR EXTREME NORTHEASTERN PLACER COUNTY IN CENTRAL CALIFORNIA SOUTH CENTRAL SIERRA COUNTY IN NORTHERN CALIFORNIA * UNTIL 315 PM PDT * AT 256 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER DONNER PASS...OR ABOUT 4 MILES EAST OF DONNER PASS...MOVING NORTHWEST AT 30 MPH. * THE SEVERE THUNDERSTORM WILL BE... 3 MILES NORTHEAST OF DONNER SUMMIT AT 305 PM PDT 3 MILES SOUTHWEST OF INDEPENDENCE LAKE AT 310 PM PDT HAIL...INTENSE RAIN...STRONG WINDS AND FREQUENT LIGHTNING ARE LIKELY WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES. INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOTORISTS SHOULD EXPECT HEAVY RAIN AND INTENSE LIGHTING. REPORT DAMAGING WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE. $$ LAT...LON 3920 12025 3932 12008 3958 12037 3943 12057
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 1:53 PM PDT | Severe Thunderstorm Warning | REV | El Dorado, Placer | 22 min |
| Jul 31, 3:12 PM PDT | Severe Thunderstorm Warning | REV | Nevada, Sierra | 18 min |
| Jul 31, 3:27 PM PDT | Severe Thunderstorm Warning | REV | Nevada, Sierra | 33 min |
| Jul 31, 3:28 PM PDT | Flash Flood Warning | REV | Nevada, Sierra | 92 min |
| Jul 31, 3:39 PM PDT | Tornado Warning | REV | Sierra | 21 min |
| Jul 31, 4:00 PM PDT | Severe Thunderstorm Warning | REV | Plumas, Sierra | 25 min |
Nearby
Severe Thunderstorm Warnings in California, 2003Every severe thunderstorm warning in 2003
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.