Alert archive / Nevada / Flash Flood Warnings in 2011

Flash Flood Warning 3, NWS Elko, NV

July 6, 2011Nye County, Nevada

NWS Elko, NV issued this flash flood warning at Jul 6, 2011, 8:21 PM PDT for Nye County, Nevada. It was in force for 6 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
Jul 6, 2011, 8:21 PM PDT (03:21 UTC)
Expired
Jul 7, 2011, 2:15 AM PDT
In force
6 hr
Issued by
NWS Elko, NV
Area
Storm-based polygon
Flood severity
None

County Nye County, NV

The radar

The Elko radar (KLRX), 237 km from the middle of the area, began a volume at 03:21 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 00:00Z, 3.4 hours before the alert went out and 143 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 00:00Z on 2011-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 00:00Z on 2011-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 square meters per square second.193958Sfc1 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
2990 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
105 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.

983 
WGUS55 KLKN 070321
FFWLKN
NVC023-070915-
/O.NEW.KLKN.FF.W.0003.110707T0321Z-110707T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ELKO NV
821 PM PDT WED JUL 6 2011

THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTH CENTRAL NYE COUNTY IN SOUTH CENTRAL NEVADA...
  THIS INCLUDES THE CITIES OF...ROUND MOUNTAIN...MANHATTAN...

* UNTIL 215 AM PDT THURSDAY

* AT 812 PM PDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH     
  FLOODING FROM A THUNDERSTORM NEAR MANHATTAN.

LOCATIONS NEAR THE PATH OF INCLUDE...MANHATTAN. 

HEAVY RAINS EARLIER TODAY HAVE LEAD TO FLASH FLOODING AND MUDSLIDES 
NEAR THE CITY OF MANHATTAN IN BIG SMOKEY VALLEY NORTHEAST OF TONOPAH 
THIS EVENING. 

ROCKS AND MUD HAVE BEEN REPORTED ON MANHATTAN HIGHWAY 
377...APPROXIMATELY ONE HALF MILE EAST OF THE INTERSECTION WITH 
HIGHWAY 376. 

ADDITIONAL RAINS AND FLOODING CONDITIONS WILL BE POSSIBLE FROM ROUND 
MOUNTAIN SOUTH TO THE MANHATTAN AREA THROUGH THE EVENING HOURS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 3874 11717 3872 11691 3844 11695 3844 11725

$$

ROOD/BOYD
2 follow-up statements
633 
WGUS75 KLKN 070339
FFSLKN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
839 PM PDT WED JUL 6 2011

NVC023-070915-
/O.CON.KLKN.FF.W.0003.000000T0000Z-110707T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NYE NV-
839 PM PDT WED JUL 6 2011

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 AM PDT FOR NORTH
CENTRAL NYE COUNTY...

AT 830 PM PDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED ONE TO TWO 
FEET OF MUD...ROCKS...AND WATER OVER MANHATTAN HIGHWAY 377 WHICH HAS 
CLOSED THE ROAD TO MANHATTAN. IN ADDITION...THE TOWN OF MANHATTAN 
HAS DEBRIS AND WATER THROUGH TOWN. LOCAL AND STATE ROAD CREWS ARE EN 
ROUTE TO CLEAN UP THE SITUATION. 

PLEASE STAY OUT OF THE AREA AND LET CREWS AND LAW ENFORCEMENT DO 
THEIR JOBS. THERE HAVE BEEN NO...REPEAT NO...INJURIES. DON'T YOU BE 
INJURED BECAUSE YOU IGNORED COMMON SENSE OR LAWFUL ORDERS.

REPEAT...LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
MANHATTAN AND ROUND MOUNTAIN...ALONG WITH HIGHWAY 376 IN PLACES... 
AND MANHATTAN HIGHWAY 377.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SLOW DOWN. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO SEE 
DEBRIS OR WATER ON THE ROAD. MOVE UP TO HIGHER GROUND TO ESCAPE 
FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER 
BEGINS RISING. TURN AROUND. DON'T DROWN!

&&

LAT...LON 3874 11717 3872 11691 3844 11695 3844 11725

$$

BOYD/ROOD
675 
WGUS75 KLKN 070911
FFSLKN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
211 AM PDT THU JUL 7 2011

NVC023-070921-
/O.EXP.KLKN.FF.W.0003.000000T0000Z-110707T0915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NYE NV-
211 AM PDT THU JUL 7 2011

...THE FLASH FLOOD WARNING WILL EXPIRE AT 215 AM PDT FOR NORTH
CENTRAL NYE COUNTY...

SHOWER ACTIVITY HAS DIMINISHED AROUND THE MANHATTAN AND ROUND 
MOUNTAIN AREAS...WITH NO NEW FLOODING EXPECTED THIS MORNING.

&&

LAT...LON 3874 11717 3872 11691 3844 11695 3844 11725

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 9:50 PM PDTAreal Flood WarningLKNEureka, Lander, Nye9 hr
Jul 7, 11:39 AM PDTSpecial Weather StatementLKNLander51 min
Jul 7, 11:47 AM PDTSpecial Weather StatementLKN43 min
Jul 7, 11:58 AM PDTSpecial Weather StatementLKNEureka32 min
Jul 7, 12:12 PM PDTSpecial Weather StatementLKN48 min
Jul 7, 12:34 PM PDTSpecial Weather StatementLKNEureka41 min
Jul 7, 12:42 PM PDTSpecial Weather StatementLKNElko48 min
Jul 7, 12:48 PM PDTSpecial Weather StatementLKNLander42 min
Jul 7, 12:53 PM PDTSpecial Weather StatementLKNHumboldt37 min
Jul 7, 12:56 PM PDTSpecial Weather StatementLKNElko49 min
Jul 7, 1:11 PM PDTSpecial Weather StatementLKNEureka49 min
Jul 7, 1:14 PM PDTSpecial Weather StatementLKN46 min
Jul 7, 1:19 PM PDTSpecial Weather StatementLKNHumboldt41 min
Jul 7, 1:34 PM PDTSpecial Weather StatementLKNElko41 min
Jul 7, 1:46 PM PDTSpecial Weather StatementLKNHumboldt44 min
Jul 7, 2:06 PM PDTSpecial Weather StatementLKN39 min
Jul 7, 2:44 PM PDTSpecial Weather StatementLKN31 min
Jul 7, 2:48 PM PDTSpecial Weather StatementLKN27 min
Jul 7, 2:53 PM PDTSpecial Weather StatementLKN37 min
Jul 7, 2:54 PM PDTSpecial Weather StatementLKN36 min
Jul 7, 3:07 PM PDTSpecial Weather StatementLKN23 min
Jul 7, 3:27 PM PDTSpecial Weather StatementLKN48 min
Jul 7, 3:37 PM PDTSpecial Weather StatementLKN23 min
Jul 7, 4:12 PM PDTSpecial Weather StatementLKNHumboldt33 min
Jul 7, 4:42 PM PDTSpecial Weather StatementLKN33 min

Nearby

Flash Flood Warnings in Nevada, 2011Every flash flood warning in 2011

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.