Alert archive / Nevada / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 11, NWS Reno, NV
NWS Reno, NV issued this severe thunderstorm warning at Jul 11, 2001, 5:55 PM PDT for Washoe County, Nevada. It was in force for 35 min. No storm report in the archive falls 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.
The facts
- Issued
- Jul 11, 2001, 5:55 PM PDT (00:55 UTC)
- Expired
- Jul 11, 2001, 6:30 PM PDT
- In force
- 35 min
- Issued by
- NWS Reno, NV
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Washoe County, NV
The nearest sounding before it
Reno, NV (KREV), launched 00:00Z, 0.9 hours before the alert went out and 123 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
- 638 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 2714 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- -4 m²/s²
- 0-3 km storm-relative helicity
- 82 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 120059 SVRRNO NVC031-120130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE RENO NV 555 PM PDT WED JUL 11 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN WASHOE COUNTY IN WESTERN NEVADA * UNTIL 630 PM PDT * AT 552 PM PDT...DOPPLER RADAR AND WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM OVER SPANISH SPRINGS...OR ABOUT 5 MILES EAST OF SPARKS...MOVING NORTHEAST AT 15 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SPANISH SPRINGS AND RURAL SOUTHERN WASHOE COUNTY HAIL IN EXCESS OF 1 INCH WAS REPORTED IN SPARKS WITH THIS STORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. HEAVY RAINS IN THIS STORM MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND UNDERPASSES. AVOID THESE AREAS AND DO NOT CROSS FLOODED ROADS. LAT...LON 3956 11980 3957 11956 3978 11938 3988 11964
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 11, 2:45 PM PDT, 3 hours 10 minutes earlier.
Area forecast discussion, Jul 11, 2:45 PM PDT, 3 hours 10 minutes before
WESTERN NEVADA AND EASTERN CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RENO NV 245 PM PDT WED JUL 11 2001 WEAK UPPER LOW JUST OFF CALIFORNIA COAST NEAR EKA HAS KICKED OFF STRONG THUNDERSTORMS ACROSS NE CALIFORNIA AND EXTREME NW NEVADA. AS WEST WIND HAVE KICKED IN OFF THE SIERRA ALSO WATCHING AREA FROM MINERAL COUNTY INTO THE BASIN AND RANGE FOR THUNDERSTORM DEVELOPMENT IN SURFACE CONVERGENCE. OTHERWISE...UPPER RIDGE OVER THE PLAINS BUILDS BACK INTO THE DESERT SW THROUGH FRIDAY. MOST AREAS WILL SEE INCREASING 500MB HEIGHTS AND DRIER SW FLOW ALOFT TOMORROW. UPPER TROF REMAINS OVER THE PACIFIC NW AND MODELS BRING A FEATURE INTO NW CALIFORNIA FRIDAY. AVN REMAINS UNSTABLE ACROSS THE OREGON/NEVADA BORDER INTO FRIDAY. WILL RETAIN A SLIGHT CHANCE OF AFTERNOON CONVECTION ACROSS NORTHERN WASHOE AND LASSEN COUNTIES BOTH TOMORROW AND FRIDAY. THE RIDGE WEAKENS SATURDAY AS AN UPPER LOW MOVES AROUND THE EASTERN PACIFIC RIDGE INTO BRITISH COLUMBIA. THIS DROPS INTO THE PACIFIC NW SUNDAY AND WILL BRING BELOW NORMAL TEMPERATURES AND A SLIGHT CHANCE OF SHOWERS TO NE CALIFORNIA AND EXTREME NW NEVADA SUNDAY INTO TUESDAY. MODELS DIVERGE AFTER SUNDAY WITH ECMWF MOVING THE TROF INTO ALBERTA...MRF/AVN DROPPING IT ALONG THE OREGON COAST AND THE NOGAPS KEEPING IT RELATIVELY STATIONARY. HAVE BACKED OFF SOMEWHAT FROM THE OLD MRF SOLUTION AS FAR AS COOLING BUT CAN NOT DISCOUNT THE CHANCE OF SHOWERS CNORTHERN AREAS. MOST OF WESTERN NEVADA WILL BE QUITE PLEASANT UNDER THIS PATTERN SAVE SOME BREEZY CONDITIONS. RIDGE APPEARS TO BUILD BACK INTO THE AREA WEDNESDAY AS TEMPERATURES MODERATE. SG .REV...NONE.
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 5:00 PM PDT | Severe Thunderstorm Warning | REV | Storey, Washoe | 60 min |
| Jul 11, 6:24 PM PDT | Severe Thunderstorm Warning | REV | Pershing | 36 min |
Nearby
Severe Thunderstorm Warnings in Nevada, 2001Every severe thunderstorm warning in 2001
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.