Alert archive / Nevada / Flash Flood Warnings in 1996

Flash Flood Warning 3, NWS Elko, NV

July 4, 1996Elko County, Nevada

NWS Elko, NV issued this flash flood warning at Jul 4, 1996, 3:26 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 counties it named.

The facts

Issued
Jul 4, 1996, 3:26 PM PDT (22:26 UTC)
Expired
Jul 4, 1996, 5:30 PM PDT
In force
2 hr
Issued by
NWS Elko, NV
Area
Whole counties

County Elko County, NV

The nearest sounding before it

Elko, NV (KLKN), launched 12:00Z, 10.4 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.

Skew-T log-pSkew-T log-p diagram, Elko, NV at 12:00Z on 1996-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 26 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 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 1996-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
26 J/kg
Mixed-layer CIN
-309 J/kg
Mixed-layer LCL
1803 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
108 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 
TTAA00 KEKO 042227
FFWEKO
NVC007-050030-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ELKO NV
326 PM PDT THU JUL 4 1996
 
THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  530 PM PDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN NORTHEAST NEVADA
 
   ...EAST CENTRAL ELKO COUNTY
 
AT 322 PM PDT...DOPPLER RADAR INDICATED THAT 1.5 INCHES OF RAIN HAD
FALLEN THE PAST HOUR JUST NORTH OF PEQUOP SUMMIT EAST OF WELLS. THIS
RAIN FELL IN A CANYON WEST OF SQUAW CREEK RANCH...AND WILL LIKELY CAUSE
DRY WASHES AND CREEKS IN THAT AREA TO FLOOD.  MINOR FLOODING HAS ALREADY
BEEN REPORTED IN OASIS FROM THIS STORM.
 
ANOTHER THUNDERSTORM PRODUCING RAINFALL RATES OF UP TO AN INCH IN ONE
HOUR WAS DEVELOPING ABOUT 20 MILES SOUTHWEST OF OASIS...AND WILL LIKELY
MOVE OVER THE SAME AREA THAT HAS ALREADY RECEIVED TORRENTIAL RAINFALL.
PERSONS PLANNING ON TRAVEL ALONG INTERSTATE 80 EAST OF WELLS AND ALONG
HIGHWAY 233 FROM OASIS TO THE UTAH BORDER SHOULD BE PREPARED FOR WATER
OVER THE ROADWAYS AND POSSIBLE WASHED OUT SECONDARY ROADS.
 
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.
 
CRAVEN
 
&

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 4, 1:05 PM PDT, 2 hours 21 minutes earlier.

Area forecast discussion, Jul 4, 1:05 PM PDT, 2 hours 21 minutes before
NORTHERN GREAT BASIN FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
104 PM PDT THU JUL 4 1996

VIGOROUS SHORT WAVE TROUGH TO MOVE ACROSS PACIFIC NORTHWEST AND BRITISH
COLUMBIA NEXT 24 HOURS.  THIS FLATTENS THE NORTHWEST SIDE OF UPPER HIGH
AND TURNS FLOW TO WEST SOUTHWEST ACROSS GREAT BASIN NEXT COUPLE DAYS.
WATER VAPOR IMAGES ALREADY SHOW TREND OF DRIER AIR PUSHING GRADUALLY
EAST.  MODEL MOISTURE PROGS SHOW GOOD AGREEMENT IN PUSHING MONSOON
MOISTURE EAST OF CWA BY TONIGHT.

CAPES RUNNING ABOUT 1000-1500 J/KG THIS AFTERNOON EAST OF A AWH-EKO-P68
LINE.  SCATTERED THUNDERSTORMS WILL CONTINUE THIS EVENING OVER EASTERN
ELKO COUNTY AND WHITE PINE COUNTY AND WILL NEED TO INCLUDE THESE IN
ZONES.  BRIEF HEAVY RAINS AND APPROACHING SEVERE WIND GUSTS LIKELY.

ALTHOUGH FLOW TURNS WESTERLY AS SHORT WAVE TROUGH GOES BY TO
NORTH...HEIGHTS ACTUALLY BUILD AT 500 MB BY LATER FRIDAY...AND
TEMPERATURES WARM TO ABOVE -6 C DURING AFTERNOON.  APPEARS DRYING WILL
BE MORE SUBSTANTIAL THAN IN CURRENT FORECAST SO WILL REMOVE MENTION OF
THUNDERSTORMS FROM EASTERN AREAS.

IN THE LONGER RANGE...WONDER WHETHER MONSOON CAN RETURN THIS FAR NORTH
AND WEST UNTIL MONDAY OR TUESDAY.  WOULD PROPOSE THAT THE BEGINNING OF
THE EXTENDED BE WORDED IN A DRIER FASHION.

WMC000-  EKO100-  ELY3-0-     CRAVEN

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 1:56 PM PDTSevere Thunderstorm WarningLKNElko64 min
Jul 4, 3:03 PM PDTSevere Thunderstorm WarningLKNElko57 min

Nearby

Flash Flood Warnings in Nevada, 1996Every flash flood warning in 1996

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.