Alert archive / Nevada / Flash Flood Warnings in 2011
Flash Flood Warning 102, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Sep 16, 2011, 5:12 PM PDT for Lincoln County, Nevada. It was in force for 4 hr. 4 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 16, 2011, 5:12 PM PDT (00:12 UTC)
- Expired
- Sep 16, 2011, 9:15 PM PDT
- In force
- 4 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Lincoln County, NV
The radar
The Cedar City radar (KICX), 136 km from the middle of the area, began a volume at 00:14 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 16, 6:35 PM PDT | FLASH FLOOD | 6 Wsw Ursine, NV | COUNTY SHERIFF REPORTED DEBRIS OVER THE ROAD ON SR 322 NEAR MILE MARKER 10. IN ADDITION SMALL HAIL COVERED THE ROAD. |
| Sep 16, 6:35 PM PDT | HEAVY RAIN 0 | 8 Sw Ursine, NV | COUNTY SHERIFF REPORTED A LITTLE WATER OVER THE ROADWAY ON DRY VALLEY ROAD. |
| Sep 16, 7:12 PM PDT | FLASH FLOOD | 6 Wsw Ursine, NV | THE COUNTY SHERIFF REPORTED SIGNIFICANT WATER OVER THE ROADWAY ON SR 322 NEAR MILE MARKER 10. DEPTH UKNOWN. |
| Sep 16, 8:55 PM PDT | FLASH FLOOD | 1 N Panaca, NV | LAW ENFORCEMENT REPORTED 3 TO 4 INCHES OF MUD AND WATER RUNNING THROUGH THE CATHEDRAL GORGE STATE PARK CAMPGROUND. THE WATER AND MUD CHASED ABOUT 20 PEOPLE WHO WERE CAMPING OUT OF THEIR TENTS. THE WATER AND MUD FLOW WAS ESTIMATED TO BE 75 FEET ACROSS. NO INJUR |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Las Vegas, NV (KVEF), launched 00:00Z, 0.2 hours before the alert went out and 198 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 3726 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
690
WGUS55 KVEF 170012
FFWVEF
NVC017-170215-
/O.NEW.KVEF.FF.W.0102.110917T0012Z-110917T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
512 PM PDT FRI SEP 16 2011
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EAST CENTRAL LINCOLN COUNTY IN SOUTH CENTRAL NEVADA...
* UNTIL 715 PM PDT.
* AT 506 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A THUNDERSTORM NEAR CATHEDRAL GORGE STATE
PARK...OR NEAR PIOCHE. THE STORM PRODUCING VERY HEAVY RAIN WAS
MOVING SLOWLY NORTHEAST. MORE THAN TWO INCHES OF RAIN IS ESTIMATED
TO HAVE FALLEN SINCE 400 PM.
* LOCATIONS IMPACTED INCLUDE...
ECHO CANYON STATE PARK...PATTERSON WASH...MEADOW VALLEY
WASH...ECHO DAM ROAD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE OR TWITTER #NWSVEGAS.
CAMPERS AND HIKERS SHOULD BE ALERT TO THE POSSIBILITY OF RAPIDLY
RISING WATER AND BE PREPARED TO MOVE QUICKLY TO HIGHER GROUND IF
FLASH FLOODING IS OBSERVED.
&&
LAT...LON 3785 11444 3789 11439 3794 11439 3797 11436
3797 11422 3789 11426 3786 11431 3778 11440
$$
24/814 follow-up statements
813
WGUS75 KVEF 170048
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
548 PM PDT FRI SEP 16 2011
NVC017-170215-
/O.CON.KVEF.FF.W.0102.000000T0000Z-110917T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN NV-
548 PM PDT FRI SEP 16 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM PDT FOR EAST
CENTRAL LINCOLN COUNTY...
AT 545 PM PDT...RADAR CONTINUED TO INDICATE MODERATE TO HEAVY
RAINFALL FROM NEAR URSINE...TO NORTH OF ECHO CANYON STATE PARK...TO
NEAR PIOCHE. THE STORMS ARE MOVING SLOWLY EAST TO NORTHEAST. RADAR
ESTIMATES MORE THAN TWO INCHES OF RAIN HAS FALLEN SINCE 445 PM
NORTHWEST OF ECHO CANYON STATE PARK. ADDITIONAL MODERATE TO HEAVY
RAIN IS EXPECTED.
LOCATIONS IMPACTED INCLUDE...
ECHO CANYON STATE PARK...PATTERSON WASH...MEADOW VALLEY WASH...ECHO
DAM ROAD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
CAMPERS AND HIKERS SHOULD BE ALERT TO THE POSSIBILITY OF RAPIDLY
RISING WATER AND BE PREPARED TO MOVE QUICKLY TO HIGHER GROUND IF
FLASH FLOODING IS OBSERVED.
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE OR TWITTER #NWSVEGAS.
&&
LAT...LON 3785 11444 3789 11439 3794 11439 3797 11436
3797 11422 3789 11426 3786 11431 3778 11440
$$
JGG792
WGUS55 KVEF 170210
FFWVEF
NVC017-170415-
/O.EXT.KVEF.FF.W.0102.000000T0000Z-110917T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
710 PM PDT FRI SEP 16 2011
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS EXTENDED THE
* FLASH FLOOD WARNING FOR...
EAST CENTRAL LINCOLN COUNTY IN SOUTH CENTRAL NEVADA...
* UNTIL 915 PM PDT.
* AT 706 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED
TO INDICATE FLASH FLOODING FROM THUNDERSTORMS NEAR AND AROUND ECHO
CANYON STATE PARK...OR 6 MILES SOUTHWEST OF URSINE. IN
ADDITION...STORMS OVER CALIENTE WERE MOVING NORTHEAST AND RAINFALL
FROM THOSE STORMS WILL ALSO FLOW INTO THE MEADOW VALLEY WASH. THE
STORMS PRODUCING FLASH FLOODING ARE SLOWLY MOVING NORTHEAST.
RAINFALL AMOUNTS SINCE 4 PM ARE IN EXCESS OF TWO INCHES.
* LOCATIONS IMPACTED INCLUDE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE OR TWITTER #NWSVEGAS.
CAMPERS AND HIKERS SHOULD BE ALERT TO THE POSSIBILITY OF RAPIDLY
RISING WATER AND BE PREPARED TO MOVE QUICKLY TO HIGHER GROUND IF
FLASH FLOODING IS OBSERVED.
&&
LAT...LON 3785 11444 3789 11439 3794 11439 3797 11436
3797 11422 3789 11426 3786 11431 3778 11440
$$
BORDEN134
WGUS75 KVEF 170310
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
810 PM PDT FRI SEP 16 2011
NVC017-170415-
/O.CON.KVEF.FF.W.0102.000000T0000Z-110917T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN NV-
810 PM PDT FRI SEP 16 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM PDT FOR EAST
CENTRAL LINCOLN COUNTY...
AT 806 PM PDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED EARLIER
STORMS IN THE AREA HAVE PRODUCED FLASH FLOODING OVER STATE ROUTE 322
AND DRY VALLEY ROAD. THUNDERSTORMS WILL CONTINUE TO MOVE THROUGH
THE AREA THROUGH 9 PM AND AFFECT NEAR ECHO CANYON STATE PARK...OR 6
MILES SOUTHWEST OF URSINE. THESE THUNDERSTORMS ARE MOVING VERY
SLOWLY TO THE EAST NORTHEAST.
LOCATIONS IMPACTED INCLUDE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON
AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE
RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED
ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN!
REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL
WEATHER SERVICE FACEBOOK PAGE OR TWITTER #NWSVEGAS.
CAMPERS AND HIKERS SHOULD BE ALERT TO THE POSSIBILITY OF RAPIDLY
RISING WATER AND BE PREPARED TO MOVE QUICKLY TO HIGHER GROUND IF
FLASH FLOODING IS OBSERVED. IN ADDITION...BE ESPECIALLY CAUTIOUS AT
NIGHT WHEN IT IS EVEN HARDER TO SEE WATER COVERING THE ROADWAY OR IN
LOW WATER CROSSINGS.
&&
LAT...LON 3785 11444 3789 11439 3794 11439 3797 11436
3797 11422 3789 11426 3786 11431 3778 11440
$$
BORDEN707
WGUS75 KVEF 170413
FFSVEF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE LAS VEGAS NV
913 PM PDT FRI SEP 16 2011
NVC017-170422-
/O.EXP.KVEF.FF.W.0102.000000T0000Z-110917T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
LINCOLN NV-
913 PM PDT FRI SEP 16 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 915 PM PDT FOR EAST CENTRAL
LINCOLN COUNTY...
THE HEAVY RAIN THE PROMPTED THE FLASH FLOOD WARNING HAS MOVED OUT OF
THE AREA. PONDING ON ROADS AND MINOR RUNOFF IS STILL EXPECTED TO
CONTINUE THROUGH 1000 PM...BUT THE THREAT OF FLASH FLOODING HAS
ENDED.
LAT...LON 3785 11444 3789 11439 3794 11439 3797 11436
3797 11422 3789 11426 3786 11431 3778 11440
$$
ASGThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 16, 6:48 PM PDT | Severe Thunderstorm Warning | VEF | Lincoln | 42 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.