Alert archive / California / Flash Flood Warnings in 2015
Flash Flood Warning 21, NWS Reno, NV
NWS Reno, NV issued this flash flood warning at Jul 6, 2015, 3:52 PM PDT for Mono County, California. It was in force for 2 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
- Jul 6, 2015, 3:52 PM PDT (22:52 UTC)
- Expired
- Jul 6, 2015, 6:15 PM PDT
- In force
- 2 hr
- Issued by
- NWS Reno, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Mono County, CA
The radar
The Reno radar (KRGX), 157 km from the middle of the area, began a volume at 22:53 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 6, 4:07 PM PDT | HEAVY RAIN 0.58 | 2 E Devils Gate Summit, CA | BETWEEN 3 AND 4 PM |
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, 10.9 hours before the alert went out and 166 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
- 2 J/kg
- Mixed-layer CIN
- -265 J/kg
- Mixed-layer LCL
- 1927 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
930
WGUS55 KREV 062252
FFWREV
CAC051-070115-
/O.NEW.KREV.FF.W.0021.150706T2252Z-150707T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE RENO NV
352 PM PDT MON JUL 6 2015
THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN MONO COUNTY IN NORTHERN CALIFORNIA...
* UNTIL 615 PM PDT
* AT 351 PM PDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS OCCURRING OR
EXPECTED TO BEGIN SHORTLY. THE MONO COUNTY SHERIFFS OFFICE
REPORTED A DEBRIS BLOW ALONG BUCKEYE CREEK AND U.S. 395. EXCESSIVE
RAINFALL OVER THE WARNED AREA WILL CAUSE MUD SLIDES NEAR STEEP
TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...MUD...VEGETATION AND
OTHER LOOSE MATERIALS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
BRIDGEPORT...BRIDGEPORT RESERVOIR...DEVILS GATE SUMMIT...ROBINSON
CREEK CAMPGROUND...BRIDGEPORT-BRYANT FIELD AIRPORT...BOOTLEG
CAMPGROUND...JUNCTION U.S 395 AND CA 108 (SONORA JUNCTION)...
BUCKEYE CAMPGROUND AND JUNCTION U.S 395 AND CA 270 (BODIE RD).
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.
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
&&
LAT...LON 3847 11924 3815 11912 3817 11937 3847 11952
$$
JW2 follow-up statements
284 WGUS75 KREV 062359 FFSREV FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RENO NV 459 PM PDT MON JUL 6 2015 CAC051-070115- /O.CON.KREV.FF.W.0021.000000T0000Z-150707T0115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MONO CA- 459 PM PDT MON JUL 6 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 PM PDT FOR NORTHERN MONO COUNTY... AT 457 PM PDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. HEAVY RAINFALL AND POTENTIAL FOR FLASH FLOODING IS EXPECTED TO CONTINUE. EXCESSIVE RAINFALL OVER THE WARNED AREA WILL CAUSE MUD SLIDES NEAR STEEP TERRAIN. THE MUD SLIDE CAN CONSIST OF ROCK...MUD...VEGETATION AND OTHER LOOSE MATERIALS. PRECAUTIONARY/PREPAREDNESS ACTIONS... RUNOFF WILL QUICKLY FLOOD LOW LYING AREAS...STREETS...STREAMS...CREEKS ...AND RIVERS. MANY ROADWAYS WILL BE CLOSED DUE TO THE HEAVY RAINFALL AND TRAVEL IS NOT RECOMMENDED. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. A FEW INCHES OF FAST FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE. && LAT...LON 3847 11924 3815 11912 3817 11937 3847 11952 $$ TF
530 WGUS75 KREV 070107 FFSREV FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RENO NV 607 PM PDT MON JUL 6 2015 CAC051-070116- /O.EXP.KREV.FF.W.0021.000000T0000Z-150707T0115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MONO CA- 607 PM PDT MON JUL 6 2015 ...THE FLASH FLOOD WARNING FOR NORTHERN MONO COUNTY WILL EXPIRE AT 615 PM PDT... THE HEAVY RAIN HAS ENDED AND THE THREAT FOR FLASH FLOODING HAS DIMINISHED. SOME ROADS MAY BE STILL COVERED IN MUD AND DEBRIS. LAT...LON 3847 11924 3815 11912 3817 11937 3847 11952 $$ TF
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:20 AM PDT | Flash Flood Watch | REV | Alpine, El Dorado, Mono, Nevada, Placer | 18 hr |
| Jul 6, 2:31 PM PDT | Severe Thunderstorm Warning | REV | Alpine, Mono | 44 min |
| Jul 6, 2:55 PM PDT | Flash Flood Warning | REV | Mono | 3 hr |
| Jul 6, 3:11 PM PDT | Flash Flood Warning | REV | Lassen | 3 hr |
| Jul 6, 3:42 PM PDT | Special Weather Statement | REV | Alpine | 33 min |
| Jul 6, 4:40 PM PDT | Flash Flood Warning | REV | Alpine | 3 hr |
| Jul 6, 4:55 PM PDT | Flash Flood Warning | REV | Mono | 3 hr |
| Jul 6, 4:56 PM PDT | Flash Flood Warning | REV | Alpine, El Dorado | 3 hr |
Nearby
Flash Flood Warnings in California, 2015Every flash flood warning in 2015
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.