Alert archive / Nevada / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 25, NWS Elko, NV

August 22, 2003Eureka County, Nevada

NWS Elko, NV issued this severe thunderstorm warning at Aug 22, 2003, 2:44 PM PDT for Eureka 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 outline as issued.

The facts

Issued: Aug 22, 2003, 2:44 PM PDT (21:44 UTC)
Expired: Aug 22, 2003, 3:15 PM PDT
In force: 31 min
Issued by: NWS Elko, NV
Area: Counties, with a storm outline in the text

County Eureka County, NV

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 22, 12:55 PM PDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Elko, NV (KLKN), launched 12:00Z, 9.7 hours before the alert went out and 189 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 102 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 797 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 36 m²/s²
0-3 km storm-relative helicity: 129 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS55 KLKN 222144
SVRLKN
NVC011-222215-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE ELKO NV
241 PM PDT FRI AUG 22 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN EUREKA COUNTY IN NEVADA
  THIS INCLUDES THE COMMUNITIES OF BEOWAWE AND IMMIGRANT PASS

* UNTIL 315 PM PDT

* AT 240 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 16 MILES NORTHEAST OF DUNPHY...MOVING NORTHEAST
  AT 35 MPH.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM PDT FRIDAY
EVENING FOR NEVADA.

LAT...LON 4077 11659 4064 11649 4087 11619 4099 11635

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 Aug 22, 2:20 PM PDT, 24 minutes earlier.

Area forecast discussion, Aug 22, 2:20 PM PDT, 24 minutes before

NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
220 PM PDT FRI AUG 22 2003

.SYNOPSIS...LOW PRESSURE IN CENTRAL CALIFORNIA COMBINES WITH HIGH
PRESSURE IN THE FOUR CORNERS AREA TO GIVE US MOIST SOUTH FLOW OVER
NORTHERN NEVADA. THESE SOUTHERLY WINDS WILL CREATE SHOWERS AND
THUNDERSTORMS THIS AFTERNOON AND EARLY EVENING ACROSS MOST OF
NORTHERN NEVADA...SOME OF THESE THUNDERSTORMS WILL BE SEVERE THROUGH
EARLY THIS EVENING. DRY SOUTHWEST FLOW RETURNS TO NORTHEAST NEVADA
SATURDAY WITH WARMER ACTIVE WEATHER DAY TODAY THROUGH MID WEEK.

.SHORT TERM...CONVECTION REALLY BEGINNING TO KICK OFF. INTERACTION OF
JET AROUND LOW CREATING SEVERE THUNDERSTORMS OVER MOST OF OUR
WESTERN AND SOUTHWESTERN ZONES. AREA DRIES OUT SIGNIFICANTLY
OVERNIGHT AND AREA RETURNS TO DRY AND WARMER CONDITIONS BY
SATURDAY AFTERNOON THROUGH MONDAY.

.EXTENDED..MODELS HINT AT ANOTHER POSSIBLE MONSOON PUSH ON
WEDNESDAY INTO THURSDAY. INTRODUCED SLIGHT CHANCE SHOWERS AND
THUNDERSTORMS FOR OUR SOUTHERN ZONES THEN.

.EKO...NVZ030>037 FLASH FLOOD WATCH TODAY.

CLAYCOMB

Hazardous weather outlook, Aug 22, 5:00 AM PDT, 9 hours 44 minutes before

NVZ030>037-231400-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ELKO NV
500 AM PDT FRI AUG 22 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND EAST CENTRAL
NEVADA

.DAY ONE...

MOISTURE COMBINED WITH STRONG WINDS IN THE UPPER LEVELS OF THE
ATMOSPHERE WILL CREATE FAVORABLE CONDITIONS FOR THUNDERSTORMS CAPABLE
OF PRODUCING HEAVY RAINS...STRONG WINDS...AND LARGE HAIL. A FLASH
FLOOD WATCH CONTINUES FOR NORTHEAST NEVADA TODAY. REFER TO AWIPS ID
RNOFFALKN...OR WMO HEADER WGUS65 KLKN FOR DETAILS.

.DAYS TWO THROUGH SEVEN...

MOISTURE WILL DEPART NORTHEAST NEVADA SATURDAY...WITH THE THREAT OF
SHOWERS AND THUNDERSTORMS DIMINISHING.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ALLEN

In the hours before

Local storm report, Aug 22, 9:00 AM PDT, 5 hours 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ELKO, NV
900 AM PDT FRI AUG 22 2003

TIME(PDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

1207 PM    8 W ELKO                  NV   FLASH FLOODS
08/21/03   ELKO                           FLASH FLOODING AND
                                          MUDSLIDE CLOSED PORTIONS OF
                                          INTERSTATE 80 NEAR HUNTER
                                          EXIT, MILE MARKER 293.

0208 PM    CARLIN                    NV   FLASH FLOODS
08/21/03   EUREKA

PE

Special weather statement, Aug 22, 1:15 PM PDT, 1 hour 29 minutes before

NVZ030>034-036-037-222315-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
115 PM PDT FRI AUG 22 2003

...SEVERE THUNDERSTORM WATCH NUMBER 882 IN EFFECT FOR NORTHERN
NEVADA UNTIL 7 PM PDT...

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH
FOR NORTHERN NEVADA INCLUDING THE FOLLOWING COUNTIES...

       HUMBOLDT...LANDER...EUREKA...ELKO AND NORTHWESTERN WHITE PINE.

THUNDERSTORMS WITH HEAVY RAIN...HALF INCH TO ONE INCH HAIL...AND
WIND GUSTS NEAR 60 MPH CAN BE EXPECTED THIS AFTERNOON AND EVENING
ACROSS NORTHERN AND NORTH EAST NEVADA UNTIL 7 PM PDT.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS. IF YOU SEE A SEVERE THUNDERSTORM
TAKE SHELTER IMMEDIATELY.

CALL YOUR LOCAL LAW ENFORCEMENT AGENCY TO PASS ON REPORTS OF HEAVY
RAIN...HAIL...OR STRONG DAMAGING WINDS.

EYSSAUTIER

The office that day

Everything else NWS Elko, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 21, 8:28 PM PDT	Flash Flood Warning	LKN	Elko, Eureka	4 hr
Aug 22, 12:49 PM PDT	Severe Thunderstorm Warning	LKN	Elko	26 min
Aug 22, 1:05 PM PDT	Severe Thunderstorm Warning	LKN	Humboldt	55 min
Aug 22, 1:07 PM PDT	Severe Thunderstorm Warning	LKN	Lander	53 min
Aug 22, 2:01 PM PDT	Severe Thunderstorm Warning	LKN	Lander	44 min
Aug 22, 2:07 PM PDT	Severe Thunderstorm Warning	LKN	Humboldt	53 min
Aug 22, 3:02 PM PDT	Severe Thunderstorm Warning	LKN	Elko	58 min
Aug 22, 3:48 PM PDT	Severe Thunderstorm Warning	LKN	Elko	42 min
Aug 22, 4:11 PM PDT	Severe Thunderstorm Warning	LKN	Lander	34 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2003 Every 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.