Alert archive / Nevada / Tornado Warnings in 1999
Tornado Warning 1, NWS Elko, NV
NWS Elko, NV issued this tornado warning at Aug 27, 1999, 3:04 AM PDT for White Pine County, Nevada. It was in force for 26 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
- Aug 27, 1999, 3:04 AM PDT (10:04 UTC)
- Expired
- Aug 27, 1999, 3:30 AM PDT
- In force
- 26 min
- Issued by
- NWS Elko, NV
- Area
- Whole counties
County White Pine County, NV
The nearest sounding before it
Elko, NV (KLKN), launched 00:00Z, 10.1 hours before the alert went out and 170 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
- 6054 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -21 m²/s²
- 0-3 km storm-relative helicity
- -11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
648 WFUS1 KEKO 271005 RRA TOREKO NVC033-271030- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE ELKO NV 304 AM PDT FRI AUG 27 1999 THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A * TORNADO WARNING FOR... SOUTHEASTERN WHITE PINE COUNTY IN EAST CENTRAL NEVADA * UNTIL 330 AM PDT * AT 258 AM PDT... A FUNNEL CLOUD WAS REPORTED BY THE GENERAL PUBLIC AT MILE MARKER 40 ALONG U.S. HIGHWAY 50 IN SOUTHEAST WHITE PINE COUNTY. THIS IS ABOUT 40 MILES SOUTHEAST OF ELY. THIS FUNNEL CLOUD MAY MAKE A BRIEF TOUCHDOWN AS A TORNADO ALONG THE WEST SIDE OF THE SCHELL CREEK RANGE. THE THUNDERSTORM CONTAINING THIS FUNNEL CLOUD WAS MOVING NORTH AT NEAR 15 MPH AND WILL REMAIN OVER RURAL AREAS. IF YOU ARE IN A CAR...GO IN A NEARBY STURDY BUILDING AS A LAST RESORT LIE FLAT IN A DITCH AND COVER YOUR HEAD. MF &
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Elko, NV wrote its last area forecast discussion before this tornado warning went out at Aug 27, 2:00 AM PDT, 1 hour 4 minutes earlier.
Area forecast discussion, Aug 27, 2:00 AM PDT, 1 hour 4 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION NATIONAL WEATHER SERVICE ELKO NV 200 AM PDT FRI AUG 27 1999 UPPER LOW VICINITY SAC THIS MORNING AND MOVING NE AT THIS TIME. CONVECTION CONTINUES TO DEVELOP TO THE SE OF THE LOW CENTER ALONG SURFACE BOUNDARY MOVING OUT OF CA INTO NV. DECENT DRYING NOTED SW OF THE LOW CENTER ON WATER VAPOR IMAGERY. ALSO NOTED SOME ISOLATED CONVECTION WELL TO THE EAST ACROSS LINCOLN COUNTY. THIS ACTIVITY IS LIFTING NORTH BUT HAS LITTLE DYNAMIC SUPPORT SO SHOULD REMAIN ISOLATED AT BEST THROUGH THE EARLY MORNING HOURS. MODELS ALL LIFT UPPER LOW NE AS A SHORT WAVE TODAY BUT TIMING IS SLIGHTLY DIFFERENT. ETA IS THE SLOWEST AND GIVEN CURRENT MOVEMENT LOOKS TOO SLOW. BELIEVE AVN HAS A BETTER HANDLE ON THE MOVEMENT AT THIS TIME. MOISTURE HANDLING DIFFERS BETWEEN THE THREE AS WELL. NGM IS THE WETTEST WITH AVN/ETA SIMILAR. NGM APPEARS TO HAVE INITIALIZED MOISTURE BETTER GIVEN CURRENT CLOUD AND CONVECTIVE TRENDS. HOWEVER...NGM TRIES TO HANG ON TO THE MOISTURE TOO LONG. THIS MAY BE A REFLECTION OF SLIGHTLY SLOWER MOVEMENT OF THE UPPER LOW. WILL BUY AVN MOISTURE HANDLING WITH DRYING BECOMING WIDESPREAD BY LATE SATURDAY INTO SUNDAY. OVERRUNNING CLOUDS SHOULD KEEP TEMPERATURES DOWN TODAY BUT APPROACH OF UPPER LOW AND ITS ATTENDANT DYNAMICS SHOULD HELP DEVELOP MAINLY SCATTERED ACTIVITY MUCH OF THE CWA TODAY. CONVECTION SHOULD DECREASE FROM SOUTHWEST TO NORTHEAST TONIGHT WITH ONLY ISOLATED ACTIVITY REMAINING SATURDAY. BEST MOISTURE SHOULD BE FAR NORTHEAST SATURDAY BEFORE DECREASING AND TRAPPED ACROSS EAST CENTRAL PORTIONS. EXTENDED...MRF CONTINUES AVN TREND OF DRYING IN SW FLOW ON SUNDAY AND MONDAY WITH ONLY RESIDUAL MOISTURE ALONG THE CENTRAL MOUNTAINS. ECMWF...UKMET AND MRF ALL DEVELOP NEXT LONG WAVE TROF ALONG THE CA COAST BY EARLY TUESDAY. THIS WILL EVENTUALLY INCREASE CHANCES FOR CONVECTION BUT WITH IT REMAINING WELL WEST ON TUESDAY DRY SW FLOW WILL CONTINUE FOR AT LEAST THE LAST DAY ON THE EXTENDED PERIOD. FAUCETTE .EKO...NONE.
The office that day
Everything else NWS Elko, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 3:39 PM PDT | Severe Thunderstorm Warning | LKN | Elko, Eureka | 61 min |
Nearby
Tornado Warnings in Nevada, 1999Every tornado warning in 1999Tornadoes in 1999
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.