Alert archive / Nevada / Flash Flood Warnings in 2017
Flash Flood Warning 8, NWS Reno, NV
NWS Reno, NV issued this flash flood warning at Aug 6, 2017, 4:13 PM PDT for Washoe County, Nevada. It was in force for 3 hr. 1 report 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
- Aug 6, 2017, 4:13 PM PDT (23:13 UTC)
- Expired
- Aug 6, 2017, 7:15 PM PDT
- In force
- 3 hr
- Issued by
- NWS Reno, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Washoe County, NV
The radar
The Reno radar (KRGX), 20 km from the middle of the area, began a volume at 23:12 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 |
|---|---|---|---|
| Aug 6, 5:00 PM PDT | FLASH FLOOD | 3 Wsw Sutcliffe, NV | THE HARDSCRABBLE CREEK GAUGE REPORTED A 5 FOOT RISE IN 40 MINUTES FROM 415PM TO 455PM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Reno, NV (KREV), launched 12:00Z, 11.2 hours before the alert went out and 126 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
- 5 J/kg
- Mixed-layer CIN
- -198 J/kg
- Mixed-layer LCL
- 1912 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
964 WGUS55 KREV 062313 FFWREV NVC031-070215- /O.NEW.KREV.FF.W.0008.170806T2313Z-170807T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Reno NV 413 PM PDT SUN AUG 6 2017 The National Weather Service in Reno has issued a * Flash Flood Warning for... South central Washoe County in western Nevada... * Until 715 PM PDT * At 410 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding may impact Highway 445 near Pyramid Lake and near the Hardscrabble Creek burn scar west of Sutcliffe. * Some locations that will experience flooding include... Sutcliffe and Dogskin Mountain. The debris flow can consist of rock, mud, vegetation and other loose materials. PRECAUTIONARY/PREPAREDNESS ACTIONS... Please report flooding to your local law enforcement agency when you can do so safely. && LAT...LON 3987 11947 3975 11970 3991 11983 4001 11963 $$ TF
3 follow-up statements
747 WGUS75 KREV 070041 FFSREV Flash Flood Statement National Weather Service Reno NV 541 PM PDT SUN AUG 6 2017 NVC031-070215- /O.CON.KREV.FF.W.0008.000000T0000Z-170807T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Washoe NV- 541 PM PDT SUN AUG 6 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM PDT FOR SOUTH CENTRAL WASHOE COUNTY... At 534 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Rain gauge reports over 1 inch have been reported through Hardscrabble Canyon along with a 4 foot rise on Hardscrabble creek. Stay alert and report any flash flooding to local law enforcement. Some locations that will experience flooding include... Sutcliffe and Dogskin Mountain. LAT...LON 3987 11947 3975 11970 3991 11983 4001 11963 $$ TF
205 WGUS75 KREV 070106 FFSREV Flash Flood Statement National Weather Service Reno NV 606 PM PDT SUN AUG 6 2017 NVC031-070215- /O.CON.KREV.FF.W.0008.000000T0000Z-170807T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Washoe NV- 606 PM PDT SUN AUG 6 2017 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM PDT FOR SOUTH CENTRAL WASHOE COUNTY... At 603 PM PDT, Nevada DOT reports debris and rocks blocking all lanes of traffic on Highway 445 just south of Sutcliffe. Most heavy rain has dissipated to light to moderate rain but the flash flood threat has not ended. The Hardscrabble Creek gauge reported a 5 foot rise in about 40 minutes last hour. Expect runoff and debris flows to continue through this area. The debris flow can consist of rock, mud, vegetation and other loose materials. Some locations that will experience flooding include... Sutcliffe and Dogskin Mountain. LAT...LON 3987 11947 3975 11970 3991 11983 4001 11963 $$ TF
120 WGUS75 KREV 070206 FFSREV Flash Flood Statement National Weather Service Reno NV 706 PM PDT SUN AUG 6 2017 NVC031-070216- /O.EXP.KREV.FF.W.0008.000000T0000Z-170807T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Washoe NV- 706 PM PDT SUN AUG 6 2017 ...THE FLASH FLOOD WARNING FOR SOUTH CENTRAL WASHOE COUNTY WILL EXPIRE AT 715 PM PDT... The heavy rain has ended. Additional flash flooding is no longer expected to pose a threat. Please continue to heed any remaining road closures. LAT...LON 3987 11947 3975 11970 3991 11983 4001 11963 $$ TF
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 5:17 PM PDT | Special Weather Statement | REV | Douglas | 58 min |
| Aug 5, 7:28 PM PDT | Special Weather Statement | REV | Douglas, Lyon, Storey | 92 min |
| Aug 6, 2:48 AM PDT | Flash Flood Watch | REV | Churchill, Douglas, Lyon, Mineral, Pershing, Storey and 1 more | 18 hr |
| Aug 6, 12:11 PM PDT | Special Weather Statement | REV | Churchill, Douglas, Lyon, Mineral, Pershing, Storey and 1 more | 79 min |
| Aug 6, 12:37 PM PDT | Special Weather Statement | REV | Lyon | 23 min |
| Aug 6, 2:05 PM PDT | Special Weather Statement | REV | 40 min | |
| Aug 6, 3:24 PM PDT | Special Weather Statement | REV | Storey | 36 min |
| Aug 6, 3:38 PM PDT | Special Weather Statement | REV | Storey | 37 min |
| Aug 6, 3:55 PM PDT | Special Weather Statement | REV | Storey | 35 min |
| Aug 6, 4:30 PM PDT | Areal Flood Advisory | REV | Churchill, Washoe | 2 hr |
| Aug 6, 4:50 PM PDT | Special Weather Statement | REV | Washoe | 85 min |
Nearby
Flash Flood Warnings in Nevada, 2017Every flash flood warning in 2017
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.