Alert archive / Nevada / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 4, NWS Elko, NV
NWS Elko, NV issued this severe thunderstorm warning at Jun 20, 2009, 2:59 PM PDT for Elko County, Nevada. It was in force for 31 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
- Jun 20, 2009, 2:59 PM PDT (21:59 UTC)
- Expired
- Jun 20, 2009, 3:30 PM PDT
- In force
- 31 min
- Issued by
- NWS Elko, NV
- Area
- Storm-based polygon
County Elko County, NV
The radar
The Elko radar (KLRX), 129 km from the middle of the area, began a volume at 22:00 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
Elko, NV (KLKN), launched 12:00Z, 10.0 hours before the alert went out and 102 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 567 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 19 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Elko, NV wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 20, 2:57 PM PDT, 2 minutes earlier.
Area forecast discussion, Jun 20, 2:57 PM PDT, 2 minutes before
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</html>Hazardous weather outlook, Jun 20, 5:29 AM PDT, 9 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ELKO NV 529 AM PDT SAT JUN 20 2009 NVZ013-030>037-211230- NORTHERN NYE COUNTY-HUMBOLDT COUNTY-NORTHERN ELKO COUNTY- SOUTHWEST AND SOUTH CENTRAL ELKO COUNTY- EXTREME EASTERN ELKO COUNTY-RUBY MOUNTAINS/EAST HUMBOLDT RANGE- WHITE PINE COUNTY- NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY- SOUTHERN LANDER COUNTY AND SOUTHERN EUREKA COUNTY- 529 AM PDT SAT JUN 20 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NEVADA...NORTH CENTRAL NEVADA...NORTHEAST NEVADA...NORTHWEST NEVADA AND SOUTH CENTRAL NEVADA. .DAY ONE...TODAY AND TONIGHT. A STRONG LOW PRESSURE SYSTEM WILL CONTINUE TO MOVE THROUGH EASTERN NEVADA. A WIND ADVISORY IS IN EFFECT FOR EASTERN ELKO THIS MORNING. LOCALLY HEAVY RAINS ARE POSSIBLE ACROSS CENTRAL AND EASTERN NEVADA. ANY THUNDERSTORMS WILL BE CAPABLE OF PRODUCING DAMAGING WINDS AND HAIL. SHOWERS AND THUNDERSTORMS GRADUALLY TAPER OFF TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY. SHOWERS AND THUNDERSTORMS WILL REDEVELOP SUNDAY...MAINLY NORTH OF HIGHWAY 50 AS LOW PRESSURE BEGINS TO EXIT THE REGION. HIGH PRESSURE WILL BUILD OVER THE AREA ON MONDAY...PROMOTING DRIER WEATHER THROUGH THE END OF NEXT WEEK WITH A WARMING TREND. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE ASKED TO REPORT WEATHER PHENOMENA ACCORDING TO STANDARD OPERATING PROCEDURE. LW
In the hours before
Special weather statement, Jun 20, 1:47 PM PDT, 1 hour 12 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ELKO NV 147 PM PDT SAT JUN 20 2009 NVZ036-202130- NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY NV- 147 PM PDT SAT JUN 20 2009 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL LANDER COUNTY UNTIL 230 PM PDT... AT 143 PM PDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A STRONG THUNDERSTORM 25 MILES SOUTHWEST OF BATTLE MOUNTAIN. THIS STORM WAS MOVING EAST AT 7 MILES PER HOUR. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 45 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. * LOCATIONS IMPACTED INCLUDE... HIGHWAY 305 SOUTH OF BATTLE MOUNTAIN... IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A STURDY BUILDING. LAT...LON 4046 11692 4024 11687 4025 11722 4032 11723 TIME...MOT...LOC 2045Z 180DEG 0KT 4032 11716 TT
Special weather statement, Jun 20, 2:44 PM PDT, 15 minutes before
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</html>The office that day
Everything else NWS Elko, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 6:09 PM PDT | Special Weather Statement | LKN | Eureka | 31 min |
| Jun 19, 6:51 PM PDT | Special Weather Statement | LKN | 29 min | |
| Jun 19, 7:11 PM PDT | Flash Flood Watch | LKN | Elko, Eureka, Lander, White Pine | 24 hr |
| Jun 19, 7:18 PM PDT | Special Weather Statement | LKN | Elko | 27 min |
| Jun 19, 7:44 PM PDT | Special Weather Statement | LKN | Elko | 46 min |
| Jun 19, 11:37 PM PDT | Wind Advisory | LKN | Elko | 8 hr |
| Jun 20, 1:47 PM PDT | Special Weather Statement | LKN | Lander | 43 min |
| Jun 20, 2:44 PM PDT | Special Weather Statement | LKN | 31 min | |
| Jun 20, 3:14 PM PDT | Special Weather Statement | LKN | Elko | 31 min |
| Jun 20, 3:46 PM PDT | Special Weather Statement | LKN | Elko | 29 min |
| Jun 20, 4:30 PM PDT | Special Weather Statement | LKN | Elko | 30 min |
Nearby
Severe Thunderstorm Warnings in Nevada, 2009Every severe thunderstorm warning in 2009
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.