Alert archive / Nevada / Flash Flood Warnings in 2003
Flash Flood Warning 11, NWS Elko, NV
NWS Elko, NV issued this flash flood warning at Aug 2, 2003, 11:45 PM PDT for Elko County, Nevada. It was in force for 2 hr. 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 2, 2003, 11:45 PM PDT (06:45 UTC)
- Expired
- Aug 3, 2003, 1:45 AM PDT
- In force
- 2 hr
- Issued by
- NWS Elko, NV
- Area
- Counties, with a storm outline in the text
County Elko County, NV
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood 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 nearest sounding before it
Elko, NV (KLKN), launched 00:00Z, 6.8 hours before the alert went out and 103 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
- 68 J/kg
- Mixed-layer CIN
- -65 J/kg
- Mixed-layer LCL
- 926 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -94 m²/s²
- 0-3 km storm-relative helicity
- -73 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KLKN 030645 FFWLKN NVC007-030845- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE ELKO NV 1145 PM PDT SAT AUG 2 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL ELKO COUNTY IN NEVADA THIS INCLUDES THE CITIES OF...WELLS...SPRING CREEK...SOUTH FORK... RYNDON...RUBY VALLEY...LEE...LAMOILLE...JIGGS...ELKO...CLOVER VALLEY * UNTIL 145 AM PDT * AT 1134 PM PDT...THE PUBLIC REPORTED A FLASH FLOOD OVER SPRING CREEK...OR ABOUT 3 MILES SOUTHEAST OF SPRING CREEK...MOVING NORTHEAST AT 20 MPH. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. 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. TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE. LAT...LON 4083 11602 4020 11578 4044 11447 4151 11476 $$
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 Aug 2, 8:18 PM PDT, 3 hours 27 minutes earlier.
Area forecast discussion, Aug 2, 8:18 PM PDT, 3 hours 27 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION 818 PM PDT SAT AUG 2 2003 DRYING FROM THE SOUTH INDICATED ON WATER VAPOR HELPING TO PUT A DAMPER ON TODAYS THUNDERSTORM ACTIVITY. THUNDERSTORM ACTIVITY ON RADAR DYING OUT SIGNIFICANTLY ON RADAR AS CELLS LOSE SURFACE HEATING. DRY SLOT WILL ONLY BE TEMPORARY THIS EVENING THOUGH AS VORT LOCATED OVER WESTERN NEVADA PUSHES THROUGH FORECAST AREA AFTER MIDNIGHT TONIGHT. STILL A LOT OF DYNAMICS IN PLACE TO KICK OFF CONVECTION AFTER MIDNIGHT. STILL ON THE LEFT FRONT QUAD OF JUST THAT SLOWLY MAKES ITS WAY INTO UTAH AFTER 18Z TOMORROW. THEN WE START SEEING SOME DRYING TOMORROW AFTERNOON. SO...EVEN THOUGH THINGS SEEM TO BE DYING DOWN NOW...HAD TO KEEP SOME THUNDERSTORM WORDING IN ALL ZONES THROUGH THE FIRST PERIOD. LOWERED POPS IN MOST ZONES AND WILL SEND UPDATE SHORTLY. .EKO...NONE. CLAYCOMB
Hazardous weather outlook, Aug 2, 5:45 AM PDT, 18 hours before
NVZ030>037-031200- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ELKO NV 545 AM PDT SAT AUG 2 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND EAST CENTRAL NEVADA .DAY ONE... SCATTERED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS WILL CONTINUE ACROSS NORTHERN AND EAST CENTRAL NEVADA TODAY. SOME OF THE STRONGER STORMS CAN PRODUCE SMALL HAIL AND HEAVY RAINFALL IN A SHORT PERIOD OF TIME. .DAYS TWO THROUGH SEVEN... SCATTERED AFTERNOON AND EVENING THUNDERSTORMS WILL CONTINUE ACROSS NORTHERN AND EAST CENTRAL NEVADA ON SUNDAY...DIMINISHING EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES. FEHRN
The office that day
Everything else NWS Elko, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 9:15 PM PDT | Severe Thunderstorm Warning | LKN | Elko, White Pine | 30 min |
| Aug 3, 2:49 PM PDT | Flash Flood Warning | LKN | Elko | 71 min |
Nearby
Flash Flood Warnings in Nevada, 2003Every flash flood 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.