Alert archive / California / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 22, NWS Reno, NV
NWS Reno, NV issued this severe thunderstorm warning at Aug 3, 2000, 2:33 PM PDT for El Dorado County, California. It was in force for 27 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Aug 3, 2000, 2:33 PM PDT (21:33 UTC)
- Expired
- Aug 3, 2000, 3:00 PM PDT
- In force
- 27 min
- Issued by
- NWS Reno, NV
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County El Dorado County, CA
The radar
The Reno radar (KRGX), 108 km from the middle of the area, began a volume at 21:36 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 3, 2:35 PM PDT | Hail 0.75 | Meyers, CA | Public report of 3/4 inch hail in Meyers, California. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Reno, NV (KREV), launched 12:00Z, 9.6 hours before the alert went out and 175 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
- 64 J/kg
- Mixed-layer CIN
- -237 J/kg
- Mixed-layer LCL
- 2445 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 7 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 032135 SVRRNO CAC017-032200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RENO NV 233 PM PDT THU AUG 3 2000 THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME NORTHEASTERN EL DORADO COUNTY IN CENTRAL CALIFORNIA THIS INCLUDES THE CITIES OF...HEAVENLY VALLEY...MEYERS...SOUTH LAKE TAHOE * UNTIL 300 PM PDT * AT 231 PM PDT...AMATEUR RADIO WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM OVER MEYERS...MOVING NORTH AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... OVER HEAVENLY VALLEY...SOUTH LAKE TAHOE AT 245 PM PDT HAIL UP TO 3/4 INCH IN DIAMETER HAS BEEN REPORTED WITH THIS STORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN RENO. LAT...LON 3882 12010 3881 11994 3895 11994 3901 12004 &&
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Reno, NV wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 3, 8:50 AM PDT, 5 hours 43 minutes earlier.
Area forecast discussion, Aug 3, 8:50 AM PDT, 5 hours 43 minutes before
NORTHEAST CALIFORNIA AND WESTERN NEVADA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
850 AM PDT THU AUG 3 2000
THUNDERSTORMS CLUSTER ASSOCIATED WITH A WEAK PERTURBATION MOVING
NORTHWARD ALONG PERIPHERY OF RIDGE IS CURRENTLY ACROSS MINERAL AND
NORTHERN MONO COUNTIES. THUNDERSTORMS DEVELOPING SOUTH OF FORECAST
AREA AS WELL.THEREFORE HAVE UPDATED TO TAKE OUT AFTERNOON WORDING TO
INCLUDE MORNING AS WELL. HIGHER PW'S ACROSS SOUTHERN ZONES AS WELL
WITH MOISTENING LOWER LEVELS. SO WILL KEEP LOCALLY HEAVY SHOWERS IN
WORDING AS WELL. MTN TOP WINDS SHOW AN INCREASE IN SWLY FLOW.
UNCERTAINTY STILL EXISTS AS TO WHETHER THIS WILL BE ENUFF TO PUSH
TSTMS OFF THE SIERRA CREST AND TO THaE EAST OF EXTREME WRN NV. WILL
KEEP WORDING AS IS FOR NOW. WILL ADDRESS LATER PERIODS IN AFTN
PACKAGE. ADAMS
.REV...EASTERN CALIFORNIA...NONE.
WESTERN NEVADA...NONE.The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 2:56 PM PDT | Severe Thunderstorm Warning | REV | Alpine, El Dorado | 34 min |
| Aug 3, 3:30 PM PDT | Severe Thunderstorm Warning | REV | El Dorado, Placer | 45 min |
| Aug 3, 3:50 PM PDT | Severe Thunderstorm Warning | REV | Mono | 40 min |
| Aug 3, 3:55 PM PDT | Severe Thunderstorm Warning | REV | Lassen, Sierra | 65 min |
| Aug 3, 4:38 PM PDT | Severe Thunderstorm Warning | REV | Alpine, Mono | 37 min |
Nearby
Severe Thunderstorm Warnings in California, 2000Every severe thunderstorm warning in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.