Alert archive / Nevada / Flash Flood Warnings in 2001

Flash Flood Warning 4, NWS Elko, NV

July 8, 2001White Pine County, Nevada

NWS Elko, NV issued this flash flood warning at Jul 8, 2001, 4:26 PM PDT for White Pine County, Nevada. It was in force for 64 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 8, 2001, 4:26 PM PDT (23:26 UTC)
Expired
Jul 8, 2001, 5:30 PM PDT
In force
64 min
Issued by
NWS Elko, NV
Area
Whole counties; the outline is the Mesonet’s reconstruction

County White Pine County, NV

The nearest sounding before it

Elko, NV (KLKN), launched 12:00Z, 11.4 hours before the alert went out and 151 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-pSkew-T log-p diagram, Elko, NV at 12:00Z on 2001-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Elko, NV at 12:00Z on 2001-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1458 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
33 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 
WGUS55 KLKN 082329
FFWLKN
NVC033-090030-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ELKO NV
426 PM PDT SUN JUL 8 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL WHITE PINE COUNTY IN NEVADA
  THIS INCLUDES THE CITIES OF...CHERRY CREEK...MCGILL...SCHELLBOURNE

* THE FLASH FLOOD WARNING FOR ELY HAS EXPIRED SINCE THUNDERSTORMS
  HAVE MOVED NORTH OF ELY AND RAINFALL HAS DIMINISHED.

* UNTIL 530 PM PDT

* AT 422 PM PDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY
  RAIN OVER MCGILL...OR ABOUT 4 MILES NORTHEAST OF MCGILL...MOVING
  NORTHEAST AT 15 MPH. AT 415 PM THE SHERIFFS OFFICE IN ELY REPORTED
  THAT STREETS IN ELY WERE COVERED WITH WATER...BUT THAT THE SHOWERS
  HAD DIMINISHED IN INTENSITY.

* THE THUNDERSTORM WITH EXCESSIVE RAINFALL WILL BE NEAR...
  9 MILES SOUTHEAST OF SCHELLBOURNE AT 520 PM PDT

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN
DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT
IMMEDIATELY AND SEEK HIGHER GROUND.

TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECKAST OFFICE.

LAT...LON 3941 11487 3934 11466 3986 11437 3991 11508

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Jul 8, 1:53 PM PDT, 2 hours 33 minutes earlier.

Area forecast discussion, Jul 8, 1:53 PM PDT, 2 hours 33 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
153 PM PDT SUN JUL 8 2001

SYNOPSIS...MONSOON MOISTURE WILL CONTINUE TO STREAM OVER THE SILVER
STATE THROUGH THE MIDDLE OF THE WEEK. BY THURSDAY...A DRIER SOUTHWEST
FLOW WILL ENSUE...DIMINISHING THE THREAT FOR SHOWERS AND
THUNDERSTORMS...AND ALLOWING TEMPERATURES TO REBOUND TO NEAR NORMAL
VALUES FOR THIS TIME OF YEAR.

SHORT TERM...FREQUENT LIGHTNING OCCURRED WITH CELL NEARLY STATIONARY
ALONG THE EGAN MOUNTAIN RANGE IN WHITE PINE COUNTY THIS MORNING.
SCATTERED SHOWERS AND THUNDERSTORMS IS THE MIX FOR THIS AFTERNOON AND
EVENING FOR MOST AREAS. THUNDERSTORM ACTIVITY SO FAR HAS BEEN
LIMITED TO EAST CENTRAL AND EASTERN ELKO COUNTY...PREDOMINANTLY
OROGRAPHICALLY-ENHANCED PULSE-TYPE STORMS. VORT MAX MOVING SOUTH-TO-
NORTH ACROSS CWFA ATTM. HIGHEST THETA-E VALUES POSITIONED IN EASTERN
ZONES WITH WEAK H7 CON/DIV COUPLET OVER EAST CENTRAL THIS AFTERNOON.
MONDAY AND TUESDAY WILL BE SIMILAR SITUATIONS WITH SCATTERED
AFTERNOON SHOWERS AND THUNDERSTORMS ACROSS MUCH OF CWFA WITH A
TENDENCY FOR STRONGER STORMS MORE TOWARD THE EASTERN ZONES. THETA-E
RIDGE AND MOISTURE WILL NUDGE SLIGHTLY EASTWARD AS MONSOON MOISTURE
BECOMES MORE SCANT OVER NEVADA. AVN IS DISPLAYING NEAR ZERO LI'S
THROUGH MONDAY BUT ALSO SHOWS A STRONG VORT MAX CROSSING THE WESTERN
CWFA TUESDAY WITH NEGATIVE LI'S OVER MUCH OF THE CWFA. ALTHOUGH
MOISTURE WILL BE LESS PLENTIFUL...WILL HAVE MENTION OF SHOWERS AND
THUNDERSTORMS THROUGHOUT SHORT TERM.

LONG TERM...RIDGE AXIS BEGINS TO AMPLIFY ON WEDNESDAY WITH THE ONSET
OF SIGNIFICANT UPPER LEVEL TROUGHING OFF THE PACIFIC COAST.
INDICATION OF RETURN TO SOUTHWES T FLOW AND MONSOON SHUT-OFF FOR
NEVADA FOR NOW...BEGINNING THURSDAY. LATEST MODEL RUN SHOWED LITTLE
CHANGE THAN PREVIOUS FOR THIS OCCURRING...SO WILL BITE OFF ON IT
AND KEEP DRYING TREND.

.EKO...NONE.

WHITWORTH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 7:20 PM PDTSevere Thunderstorm WarningLKNElko25 min
Jul 7, 7:50 PM PDTFlash Flood WarningLKNElko55 min
Jul 8, 3:41 PM PDTFlash Flood WarningLKNWhite Pine49 min

Nearby

Flash Flood Warnings in Nevada, 2001Every flash flood 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.