Alert archive / Nevada / Flash Flood Warnings in 2014
Flash Flood Warning 13, NWS Reno, NV
NWS Reno, NV issued this flash flood warning at Jul 20, 2014, 2:36 PM PDT for Douglas County, Nevada. It was in force for 6 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
- Jul 20, 2014, 2:36 PM PDT (21:36 UTC)
- Expired
- Jul 20, 2014, 8:30 PM PDT
- In force
- 6 hr
- Issued by
- NWS Reno, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Douglas County, NV
The radar
The Reno radar (KRGX), 84 km from the middle of the area, began a volume at 21:38 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 |
|---|---|---|---|
| Jul 20, 3:50 PM PDT | FLASH FLOOD | Glenbrook, NV | TAHOE DOUGLAS FIRE DEPARTMENT REPORTED FLASH FLOODING ALONG AND NEAR LOGAN CREEK. |
| Jul 20, 4:04 PM PDT | FLASH FLOOD | Spooner Summit, NV | NHP IS REPORTING DEBRIS OVER THE ROAD NEAR SPOONER SUMMIT AT HIGHWAY 50 AND 28. |
| Jul 20, 7:53 PM PDT | HEAVY RAIN 2.9 | Glenbrook, NV | COOPERATIVE OBSERVING STATION REPORTED 2.90 INCHES OF RAINFALL. 2.50 INCHES WAS RECORDED IN ROUGHLY 1.5 HOURS. |
| Jul 20, 7:59 PM PDT | FLASH FLOOD | Glenbrook, NV | FIRE DEPARTMENT REPORTED MUD ACROSS US HWY 50 NEAR CAVE ROCK AND MUD FLOW OVER KINGSBURY GRADE. THEY ALSO REPORTED NUMEROUS HYPOTHERMIA CASES FROM PEOPLE IN CONVERTABLES AND JEEPS, MOTORCYCLE RIDERS AND BOATERS ON LAKE TAHOE. |
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, 9.6 hours before the alert went out and 159 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2297 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 143 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
430 WGUS55 KREV 202136 FFWREV NVC005-510-210030- /O.NEW.KREV.FF.W.0013.140720T2136Z-140721T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE RENO NV 236 PM PDT SUN JUL 20 2014 THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A * FLASH FLOOD WARNING FOR... WEST CENTRAL CARSON CITY IN WESTERN NEVADA... NORTHWESTERN DOUGLAS COUNTY IN WESTERN NEVADA... * UNTIL 530 PM PDT * AT 226 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY RAIN FROM FROM A THUNDERSTORM OVER THE WARNED AREA. HEAVY RAIN WILL LEAD TO FLASH FLOODING ALONG WITH ROCK AND MUD SLIDES IN THE CARSON RANGE INCLUDING ALONG HIGHWAYS 50 AND 207. SMALL CREEKS AND STREAMS LEADING OUT OF THE CARSON RANGE AND INTO CARSON CITY AND DOUGLAS COUNTIES MAY RISE RAPIDLY OVER THE NEXT HOUR. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SPOONER SUMMIT AND GLENBROOK PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR OCCURRING. PEOPLE IN FLOOD PRONE AND LOW LYING AREAS SHOULD MOVE TO HIGHER GROUND. DO NOT ATTEMPT TO CROSS SWIFT FLOWING WATER BY FOOT OR AUTOMOBILE. && LAT...LON 3916 12000 3916 11986 3901 11986 3901 11999 $$ BRONG
5 follow-up statements
991 WGUS75 KREV 202159 FFSREV FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RENO NV 259 PM PDT SUN JUL 20 2014 NVC005-510-210030- /O.CON.KREV.FF.W.0013.000000T0000Z-140721T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DOUGLAS NV-CARSON CITY NV- 259 PM PDT SUN JUL 20 2014 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM PDT FOR WEST CENTRAL CARSON CITY AND NORTHWESTERN DOUGLAS COUNTIES... AT 250 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING HEAVY RAIN AND FLASH FLOODING OVER THE CARSON RANGE AND ALONG THE EAST SHORE OF LAKE TAHOE NEAR GLENBROOK. RAPID RISES ON GLENBROOK CREEK AND CLEAR CREEKS ARE POSSIBLE IN THE NEXT HOUR. IN ADDITION ROCK AND MUD SLIDES ARE POSSIBLE ALONG HIGHWAY 28 NEAR SPOONER SUMMIT AND HIGHWAY 50 FROM SPOONER SUMMIT TO ZEPHYR COVE. THIS STORM MAY ALSO PRODUCE GUSTS TO 45 MPH ON LAKE TAHOE. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SPOONER SUMMIT...GLENBROOK HIGHWAYS 28 AND 50. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS FLOODING IS IMMINENT OR OCCURRING. DO NOT ATTEMPT TO CROSS SWIFT WATERS BY FOOT OR AUTOMOBILE. RAPID RISES IN CREEKS AND STREAMS CAN SWEEP YOU OFF YOUR FEET AND WASH OUT CAMPSITES. THOSE ALONG THE EAST SHORE OF LAKE TAHOE BETWEEN GLENBROOK AND STATELINE SHOULD SEEK SHELTER IN A CAR OR BUILDING. && LAT...LON 3916 12000 3916 11986 3901 11986 3901 11999 $$ BRONG
625 WGUS75 KREV 202249 FFSREV FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RENO NV 349 PM PDT SUN JUL 20 2014 NVC005-510-210030- /O.CON.KREV.FF.W.0013.000000T0000Z-140721T0030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DOUGLAS NV-CARSON CITY NV- 349 PM PDT SUN JUL 20 2014 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 530 PM PDT FOR WEST CENTRAL CARSON CITY AND NORTHWESTERN DOUGLAS COUNTIES... AT 341 PM PDT...TRAINED WEATHER SPOTTERS IN GLENBROOK HAVE REPORTED A FLASH FLOOD ALONG LOGAN CREEK SOUTH OF GLENBROOK WITH WATER AND DEBRIS FLOWING OVER HIGHWAY 50. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SPOONER SUMMIT...GLENBROOK AND HIGHWAY 28 AND 50. 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. A FEW INCHES OF FAST FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. && LAT...LON 3916 12000 3916 11986 3901 11986 3901 11999 $$ BRONG
140 WGUS55 KREV 210025 FFWREV NVC005-510-210330- /O.EXT.KREV.FF.W.0013.000000T0000Z-140721T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE RENO NV 525 PM PDT SUN JUL 20 2014 THE NATIONAL WEATHER SERVICE IN RENO HAS EXTENDED THE * FLASH FLOOD WARNING FOR... WEST CENTRAL CARSON CITY IN WESTERN NEVADA... NORTHWESTERN DOUGLAS COUNTY IN WESTERN NEVADA... * UNTIL 830 PM PDT * AT 518 PM PDT...FLASH FLOODING WAS REPORTED FROM A THUNDERSTORM OVER THE WARNED AREA. THIS STORM IS PRODUCING TORRENTIAL RAINFALL OF OVER 3 INCHES OR MORE IN THE LAST SEVERAL OF HOURS. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SPOONER SUMMIT...GLENBROOK...AREAS OF U.S. HIGHWAY 50 AND NEVADA STATE HIGHWAY 28 ON THE WEST SHORE OF LAKE TAHOE BETWEEN SAND HARBOR AND ZEPHYR COVE. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. A FEW INCHES OF FAST FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. FLOODING IS OCCURRING OR IMMINENT. RAPID RISES IN CREEKS AND STREAMS CAN SWEEP YOU OFF YOUR FEET AND WASH OUT CAMPSITES. && LAT...LON 3916 12000 3916 11986 3901 11986 3901 11999 $$ HOON
612 WGUS75 KREV 210159 FFSREV FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RENO NV 659 PM PDT SUN JUL 20 2014 NVC005-510-210330- /O.CON.KREV.FF.W.0013.000000T0000Z-140721T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DOUGLAS NV-CARSON CITY NV- 659 PM PDT SUN JUL 20 2014 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 830 PM PDT FOR WEST CENTRAL CARSON CITY AND NORTHWESTERN DOUGLAS COUNTIES... AT 647 PM PDT...RAINFALL IS NEARING AN END ALONG THE EAST SHORE OF LAKE TAHOE THIS EVENING. HOWEVER MINOR FLOODING OF POORLY DRAINED AREAS MAY CONTINUE. ROCKS AND DEBRIS MAY STILL COVER SOME ROADS NEAR SPOONER SUMMIT AND IN THE GLENBROOK AREA. DEBRIS ON ROADS MAY BECOME DIFFICULT TO SEE AFTER SUNSET...TRAVELERS SHOULD USE CAUTION TONIGHT. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SPOONER SUMMIT...GLENBROOK INCLUDING HIGHWAYS 28 AND 50. PRECAUTIONARY/PREPAREDNESS ACTIONS... NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. A FEW INCHES OF FAST FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. && LAT...LON 3916 12000 3916 11986 3901 11986 3901 11999 $ BRONG
466 WGUS75 KREV 210323 FFSREV FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RENO NV 823 PM PDT SUN JUL 20 2014 NVC005-510-210331- /O.EXP.KREV.FF.W.0013.000000T0000Z-140721T0330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ DOUGLAS NV-CARSON CITY NV- 823 PM PDT SUN JUL 20 2014 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 830 PM PDT FOR WEST CENTRAL CARSON CITY AND NORTHWESTERN DOUGLAS COUNTIES... RAIN HAS DIMINISHED OVER WESTERN CARSON CITY AND NORTHWEST DOUGLAS COUNTIES AND THE THREAT FOR ADDITIONAL FLOODING HAS ENDED. THEREFORE THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE. REMEMBER THAT MINOR FLOODING OF LOW SPOTS MAY CONTINUE THROUGH TONIGHT SO USE CAUTION WHEN DRIVING. && LAT...LON 3916 12000 3916 11986 3901 11986 3901 11999 $$ MJD
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 6:50 PM PDT | Special Weather Statement | REV | Churchill | 55 min |
| Jul 20, 1:13 PM PDT | Severe Thunderstorm Warning | REV | Douglas, Lyon | 47 min |
| Jul 20, 1:52 PM PDT | Severe Thunderstorm Warning | REV | Douglas | 38 min |
| Jul 20, 2:10 PM PDT | Special Weather Statement | REV | 65 min | |
| Jul 20, 2:22 PM PDT | Flash Flood Warning | REV | Douglas | 6 hr |
| Jul 20, 2:49 PM PDT | Special Weather Statement | REV | Churchill | 26 min |
| Jul 20, 3:00 PM PDT | Flash Flood Warning | REV | Lyon, Storey | 3 hr |
| Jul 20, 3:18 PM PDT | Special Weather Statement | REV | Churchill | 57 min |
| Jul 20, 3:23 PM PDT | Severe Thunderstorm Warning | REV | Washoe | 37 min |
| Jul 20, 3:28 PM PDT | Severe Thunderstorm Warning | REV | Storey, Washoe | 47 min |
| Jul 20, 3:37 PM PDT | Dust Storm Warning | REV | Churchill, Lyon, Pershing, Washoe | 4 hr |
| Jul 20, 3:37 PM PDT | Flash Flood Warning | REV | Storey, Washoe | 3 hr |
| Jul 20, 4:17 PM PDT | Flash Flood Warning | REV | Lyon, Storey | 3 hr |
| Jul 20, 4:30 PM PDT | Special Weather Statement | REV | 60 min |
Nearby
Flash Flood Warnings in Nevada, 2014Every flash flood warning in 2014
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.