Alert archive / Nevada / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 12, NWS Reno, NV
NWS Reno, NV issued this severe thunderstorm warning at Jul 31, 2003, 1:53 PM PDT for Douglas County, Washoe County, Nevada; El Dorado County, Placer County, California. It was in force for 22 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, 1:53 PM PDT (20:53 UTC)
- Expired
- Jul 31, 2003, 2:15 PM PDT
- In force
- 22 min
- Issued by
- NWS Reno, NV
- Area
- Whole counties
Counties El Dorado County, CA, Placer County, CA, Douglas County, NV, Washoe County, NV
The radar
The Reno radar (KRGX), 73 km from the middle of the area, began a volume at 20:56 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
Reno, NV (KREV), launched 12:00Z, 8.9 hours before the alert went out and 167 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.
143 WUUS55 KREV 312053 SVRREV CAC017-061-NVC005-031-510-312115- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RENO NV 151 PM PDT THU JUL 31 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME NORTHEASTERN EL DORADO COUNTY IN CENTRAL CALIFORNIA NORTHEASTERN PLACER COUNTY IN CENTRAL CALIFORNIA THIS INCLUDES THE CITY OF KINGS BEACH WESTERN CARSON CITY IN WESTERN NEVADA THIS INCLUDES THE CITY OF CARSON CITY NORTHWESTERN DOUGLAS COUNTY IN WESTERN NEVADA EXTREME SOUTHWESTERN WASHOE COUNTY IN WESTERN NEVADA * UNTIL 215 PM PDT * AT 146 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER INDIAN HILLS...OR ABOUT 5 MILES SOUTH OF CARSON CITY...MOVING WEST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE... OVER SPOONER SUMMIT AT 205 PM PDT 2 MILES NORTH OF GLENBROOK...7 MILES SOUTH OF CRYSTAL BAY AT 215 PM PDT HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES. HEAVY RAIN...STRONG WINDS... AND HAIL UP TO 1/2 INCH IN DIAMETER WAS REPORTED BY A SKYWARN SPOTTER IN CARSON CITY 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 DAMAGING WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE. $$ LAT...LON 3897 11974 3914 11966 3927 12006 3906 12016
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 Jul 31, 9:00 AM PDT, 4 hours 53 minutes earlier.
Area forecast discussion, Jul 31, 9:00 AM PDT, 4 hours 53 minutes before
WESTERN NEVADA AND EASTERN CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
900 AM PDT THU JUL 31 2003
VERY STRONG HIGH PRESSURE CENTER CONTINUES OVER NORTHERN CALIFORNIA
AND NORTHERN NEVADA THIS MORNING. WEAK INVERTED SHORT WAVE TROUGH
MOVING NORTHWEST FROM OUT OF SOUTHERN NEVADA FORECAST TO BRING GOOD
VERTICAL MOTION TO MOIST AND UNSTABLE AIR RESIDING OVER THE AREA.
DYNAMICS FROM THIS WEAK TROUGH WILL AFFECT MAINLY REGION SOUTH OF
RENO-TAHOE THROUGH THE AFTERNOON. SHOWERS AND THUNDERSTORMS LIKELY
TO THEN INCREASE FROM RENO-TAHOE NORTHWARD DURING THE EVENING AND
RIDGE BREAKS DOWN AND ALLOWS SHORT WAVE TO CONTINUE MOVING
NORTHWARD. PRECIPITATABLE WATER ON DESERT ROCK SOUNDING THIS MORNING
IS NEARLY 1.4 INCHES AND SOME OF THIS DEEP MOISTURE WILL MOVE INTO
AT LEAST THE SOUTHERN PORTION OF THE FORECAST AREA. CURRENT FORECAST
IN GOOD SHAPE AND NO UPDATES THIS MORNING. LAMONI
.REV...FLASH FLOOD WATCH THIS AFTERNOON AND EVENING
CAZ073-NVZ001...SOUTHERN CAZ072-NVZ002 AND SOUTHERN NVZ003.Hazardous weather outlook, Jul 31, 6:45 AM PDT, 7 hours 8 minutes before
CAZ070>073-NVZ001>005-311400- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RENO NV 645 AM PDT THU JUL 31 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN NEVADA...THE EASTERN SIERRA AND NORTHEASTERN CALIFORNIA. ...FLASH FLOOD WATCH IN EFFECT UNTIL 9PM THIS EVENING FOR DOUGLAS... MINERAL...SOUTHERN LYON...MONO AND ALPINE COUNTIES... .DAY ONE...TODAY MOIST AND UNSTABLE CONDITIONS OVER WESTERN NEVADA AND EASTERN CALIFORNIA WILL PRODUCE SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND EVENING. FLASH FLOODING WILL BE A THREAT SOUTH OF HIGHWAY 50...WITH LOCALLY HEAVY RAINFALL TO THE NORTH OF HIGHWAY 50. ADDITIONAL DETAILS CAN BE FOUND IN THE LATEST FLOOD WATCH STATEMENT (WGUS65 KREV). .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH THURSDAY THE MOIST AND UNSTABLE CONDITIONS WILL CONTINUE THROUGH SUNDAY WITH DRIER CONDITION FOR EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SKYWARN ACTIVATION MAY BE REQUIRED FOR THE FLASH FLOOD THREAT THIS AFTERNOON. WEATHER SPOTTERS ARE ASKED TO REPORT SIGNIFICANT WEATHER CONDITIONS TO THEIR LOCAL NATIONAL WEATHER SERVICE OFFICE. BRONG
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 31, 1:38 PM PDT | Flash Flood Warning | REV | Douglas | 37 min |
| Jul 31, 2:59 PM PDT | Severe Thunderstorm Warning | REV | Nevada, Placer, Sierra | 16 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 Nevada, 2003Severe 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; radar from the NEXRAD Level II archive.