Alert archive / Nevada / Flash Flood Warnings in 1995

Flash Flood Warning 1, NWS Reno, NV

December 12, 1995Douglas County, Lyon County, Washoe County, Nevada

NWS Reno, NV issued this flash flood warning at Dec 12, 1995, 2:30 PM PST for Douglas County, Lyon County, Washoe County, Nevada. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Dec 12, 1995, 2:30 PM PST (22:30 UTC)
Expired
Dec 12, 1995, 5:30 PM PST
In force
3 hr
Issued by
NWS Reno, NV
Area
Whole counties

Counties Douglas County, NV, Lyon County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 25 km from the middle of the area, began a volume at 22:32 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

Reno, NV (KREV), launched 12:00Z, 10.5 hours before the alert went out and 111 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, Reno, NV at 12:00Z on 1995-12-12Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 12:00Z on 1995-12-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 square meters per square second.1939587897Sfc1 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
771 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
459 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 KRNO 122232
FFWRNO
NVC005-019-031-510-130230-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RENO NV
230 PM PST TUE DEC 12 1995
 
THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  630 PM PST
FOR PEOPLE IN THE FOLLOWING LOCATIONSS...
 
IN WEST NEVADA
 
   ...DOUGLAS COUNTY...LYON COUNTY...SOUTHERN WASHOE COUNTY
 
  AND...CARSON CITY
 
FLASH FLOODING AND FLOODING HAS BEEN REPORTED THROUGH THE WARNING AREA
THIS AFTERNOON AND IS LIKELY TO CONTINUE UNTIL EARLY EVENING. FLOODING
OF SMALL STREAMS AND UNDERPASSES HAS BEEN REPORTED IN THE RENO AREA WITH
WATER OVER ROADWAYS THROUGH DOUGLAS AND LYON COUNTIES.
 
HEAVY RAIN IS EXPECED TO CONTINUE THROUGH THE EVENING HOURS.  FLOODING
CAN BE EXPECTED BEFORE AND AFTER HEAVY BANDS OF PRECIPITATION MOVE OVER
THE AREA.
 
SNOW LEVELS ARE EXPECTED TO LOWER THIS EVENING BECOMING NEAR 5000 FEET
BY MIDNIGHT.  THIS WILL DECREASE THE THREAT OF FLOODING.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM..|.EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

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.

In the hours before

Local storm report, Dec 12, 9:23 AM PST, 5 hours 7 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
923 AM PST TUE DEC 12 1995

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

0535 AM    RENO                      NV   64 MPH WIND GUST
12/12/95   WASHOE

0632 AM    GALENA                    NV   HEAVY RAIN
12/12/95   WASHOE                         2.00" STORM TOTAL / 1.20"
                                          SINCE 10:00 PM

0721 AM    RENO                      NV   62 MPH WIND GUST
12/12/95   WASHOE

0735 AM    HAWTHORNE                 NV   60 MPH WIND GUST
12/12/95   MINERAL

0735 AM    HAWTHORNE                 NV   WIND DAMAGE
12/12/95   MINERAL                        COMMERCIAL ROOF DAMAGE,
                                          PLANE FLIPPED OVER, AND US
                                          95 CLOSED.

0156 AM    GARDNERVILLE              NV   61 MPH WIND GUST
12/12/95   DOUGLAS

0817 AM    SUGAR BOWL                CA   HEAVY SNOW
12/12/95   PLACER                         12 INCHES OR MORE

0825 AM    SOUTHWEST RENO            NV   68 MPH WIND GUST
12/12/95   WASHOE

0826 AM    VIRGINIA FOOTHILLS        NV   63 MPH WIND GUST
12/12/95   WASHOE

0908 AM    LOCKWOOD                  NV   HEAVY RAIN
12/12/95   STOREY                         TRUCKEE RIVER UP A FOOT
                                          SINCE YESTERDAY.
Local storm report, Dec 12, 9:25 AM PST, 5 hours 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
923 AM PST TUE DEC 12 1995

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

0535 AM    RENO                      NV   64 MPH WIND GUST
12/12/95   WASHOE

0632 AM    GALENA                    NV   HEAVY RAIN
12/12/95   WASHOE                         2.00" STORM TOTAL / 1.20"
                                          SINCE 10:00 PM

0721 AM    RENO                      NV   62 MPH WIND GUST
12/12/95   WASHOE

0735 AM    HAWTHORNE                 NV   60 MPH WIND GUST
12/12/95   MINERAL

0735 AM    HAWTHORNE                 NV   WIND DAMAGE
12/12/95   MINERAL                        COMMERCIAL ROOF DAMAGE,
                                          PLANE FLIPPED OVER, AND US
                                          95 CLOSED.

0156 AM    GARDNERVILLE              NV   61 MPH WIND GUST
12/12/95   DOUGLAS

0817 AM    SUGAR BOWL                CA   HEAVY SNOW
12/12/95   PLACER                         12 INCHES OR MORE

0825 AM    SOUTHWEST RENO            NV   68 MPH WIND GUST
12/12/95   WASHOE

0826 AM    VIRGINIA FOOTHILLS        NV   63 MPH WIND GUST
12/12/95   WASHOE

0908 AM    LOCKWOOD                  NV   HEAVY RAIN
12/12/95   STOREY                         TRUCKEE RIVER UP A FOOT
                                          SINCE YESTERDAY.

Nearby

Flash Flood Warnings in Nevada, 1995Every flash flood warning in 1995

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.