Alert archive / Nevada / Flash Flood Warnings in 2011
Flash Flood Warning 4, NWS Elko, NV
NWS Elko, NV issued this flash flood warning at Jul 7, 2011, 8:42 PM PDT for Nye County, Nevada. It was in force for 3 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 7, 2011, 8:42 PM PDT (03:42 UTC)
- Expired
- Jul 7, 2011, 11:45 PM PDT
- In force
- 3 hr
- Issued by
- NWS Elko, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Nye County, NV
The radar
The Cedar City radar (KICX), 216 km from the middle of the area, began a volume at 03:44 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
Las Vegas, NV (KVEF), launched 00:00Z, 3.7 hours before the alert went out and 199 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
- 3 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 2858 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
155
WGUS55 KLKN 080342
FFWLKN
NVC023-080645-
/O.NEW.KLKN.FF.W.0004.110708T0342Z-110708T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ELKO NV
842 PM PDT THU JUL 7 2011
THE NATIONAL WEATHER SERVICE IN ELKO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL NYE COUNTY IN SOUTH CENTRAL NEVADA...
* UNTIL 1145 PM PDT
* AT 800 PM PDT...A TRAINED WEATHER SPOTTER REPORTED THAT VERY HEAVY
RAIN HAD FALLEN OVERNIGHT AND EARLIER IN THE DAY THURSDAY CAUSING
SOME FLOODED OUT ROADS IN THE SOUTHERN PORTION OF NORTHERN NYE
COUNTY. A VERY SLOW MOVING PERSISTENT THUNDERSTORM WAS SITUATED
OVER THE SOUTHERN END OF THE GRANT RANGE AND WILL BE RAINING VERY
HARD ON THE RANGE...AND THEN MOVING INTO THE FOLLOWING
AREAS...GARDEN VALLEY...GOLDEN GATE RANGE...SEAMAN RANGE...AND WHITE
RIVER VALLEY.
THIS STORM HAS THE POTENTIAL TO PRODUCE TORRENTIAL RAINS AND DEADLY
FLASH FLOODING. IN ADDITION...IT IS PRODUCING FREQUENT DEADLY
LIGHTNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. 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.
MOST WEATHER DEATHS OCCUR IN FLOODS BECAUSE PEOPLE DRIVE STRAIGHT
INTO THE FLOODED ROAD. THIS WILL KILL YOU. TURN AROUND. DON'T DROWN!
&&
LAT...LON 3804 11501 3804 11522 3805 11577 3848 11552
3831 11499 3806 11499
$$
BOYD2 follow-up statements
775
WGUS75 KLKN 080420
FFSLKN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
920 PM PDT THU JUL 7 2011
NVC023-080645-
/O.CON.KLKN.FF.W.0004.000000T0000Z-110708T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NYE NV-
920 PM PDT THU JUL 7 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM PDT FOR EAST
CENTRAL NYE COUNTY...
AT 910 PM PDT...A CLUSTER OF THUNDERSTORMS WAS STILL AFFECTING THE
EXTREME EASTERN PORTION OF NYE COUNTY. THE STORM HAD WEAKENED
SOME...AND WAS MOVING OUT OF THE AREA...BUT RUNOFF FROM THE ITS
RAINS WILL AFFECT THE SOUTHEAST CORNER OF NORTHERN NYE FOR A COUPLE
MORE HOURS AT LEAST.
THIS IS A POTENTIALLY DEADLY STORM. STAY AWAY FROM KNOWN FLOOD PRONE
SPOTS...DRAY WASHES...STREAMS...AND LOW WATER CROSSINGS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING. TURN AROUND. DON'T
DROWN!
&&
LAT...LON 3804 11501 3804 11522 3805 11577 3848 11552
3831 11499 3806 11499
$$
BOYD559
WGUS75 KLKN 080645
FFSLKN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
1145 PM PDT THU JUL 7 2011
NVC023-080651-
/O.EXP.KLKN.FF.W.0004.000000T0000Z-110708T0645Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
NYE NV-
1145 PM PDT THU JUL 7 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 1145 PM PDT FOR EAST
CENTRAL NYE COUNTY...
SHOWERS HAVE DIMINISHED THIS EVENING IN NYE COUNTY BETWEEN US 6 AND
STATE ROUTE 318...AS SUCH...HAVE ALLOWED THE FLASH FLOOD WARNING TO
EXPIRE.
&&
LAT...LON 3804 11501 3804 11522 3805 11577 3848 11552
3831 11499 3806 11499
$$
ROODThe office that day
Everything else NWS Elko, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 5:19 PM PDT | Special Weather Statement | LKN | 26 min | |
| Jul 7, 5:26 PM PDT | Special Weather Statement | LKN | Eureka | 49 min |
| Jul 7, 5:35 PM PDT | Special Weather Statement | LKN | 25 min | |
| Jul 7, 5:52 PM PDT | Special Weather Statement | LKN | Elko | 23 min |
| Jul 7, 6:45 PM PDT | Special Weather Statement | LKN | 30 min | |
| Jul 7, 7:27 PM PDT | Special Weather Statement | LKN | 63 min | |
| Jul 7, 8:09 PM PDT | Special Weather Statement | LKN | 36 min | |
| Jul 7, 9:14 PM PDT | Special Weather Statement | LKN | 31 min | |
| Jul 7, 10:32 PM PDT | Special Weather Statement | LKN | Elko | 28 min |
| Jul 8, 12:32 PM PDT | Special Weather Statement | LKN | White Pine | 28 min |
| Jul 8, 12:53 PM PDT | Special Weather Statement | LKN | 22 min | |
| Jul 8, 1:12 PM PDT | Special Weather Statement | LKN | 33 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.