Alert archive / California / Flash Flood Warnings in 2014
Flash Flood Warning 4, NWS Reno, NV
NWS Reno, NV issued this flash flood warning at Jul 15, 2014, 12:35 PM PDT for Mono County, California. 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 15, 2014, 12:35 PM PDT (19:35 UTC)
- Expired
- Jul 15, 2014, 3:30 PM PDT
- In force
- 3 hr
- Issued by
- NWS Reno, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Mono County, CA
The radar
The San Joaquin Valley radar (KHNX), 188 km from the middle of the area, began a volume at 19:37 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
Reno, NV (KREV), launched 12:00Z, 7.6 hours before the alert went out and 196 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
- 3034 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
131 WGUS55 KREV 151935 FFWREV CAC051-152230- /O.NEW.KREV.FF.W.0004.140715T1935Z-140715T2230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE RENO NV 1235 PM PDT TUE JUL 15 2014 THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL MONO COUNTY IN CENTRAL CALIFORNIA... * UNTIL 330 PM PDT * AT 1229 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. THIS STORM IS PRODUCING TORRENTIAL RAINFALL OF 1 INCH OR MORE IN 60 MINUTES. * THE STORM PRODUCING FLASH FLOODING WILL IMPACT STATE HIGHWAY 120 ROUGHLY 10 TO 20 MILES EAST OF LEE VINING. 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. 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 3794 11897 3795 11876 3781 11877 3781 11892 $$ JCM
2 follow-up statements
538 WGUS75 KREV 152029 FFSREV FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RENO NV 129 PM PDT TUE JUL 15 2014 CAC051-152230- /O.CON.KREV.FF.W.0004.000000T0000Z-140715T2230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MONO CA- 129 PM PDT TUE JUL 15 2014 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM PDT FOR CENTRAL MONO COUNTY... AT 128 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATES THE THUNDERSTORM PRODUCING FLASH FLOODING HAS WEAKENED AND MOVED NORTH OF THE WARNED AREA. HOWEVER...FLASH FLOODING REMAINS LIKELY ALONG AND NEAR HIGHWAY 120 ROUGHLY 10 TO 20 MILES EAST OF LEE VINING AS WATER CONTINUES TO FLOW DOWNSTREAM FROM HIGHER TERRAIN. MOTORISTS ON HIGHWAY 120 SHOULD BE ALERT FOR PONDING OF WATER ON THE ROADWAY. NEVER DRIVE INTO AREAS WHERE WATER COVERS THE ROADWAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. A FEW INCHES OF FAST FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. && LAT...LON 3794 11897 3795 11876 3781 11877 3781 11892 $$ JCM
613 WGUS75 KREV 152233 FFSREV FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RENO NV 333 PM PDT TUE JUL 15 2014 CAC051-152242- /O.EXP.KREV.FF.W.0004.000000T0000Z-140715T2230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MONO CA- 333 PM PDT TUE JUL 15 2014 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR CENTRAL MONO COUNTY... THE THREAT FOR FLASH FLOODING HAS DIMINISHED. REMEMBER THAT MINOR FLOODING OR RUNOFF MAY CONTINUE IN LOW SPOTS ALONG HIGHWAY 120 FOR SEVERAL HOURS. LAT...LON 3794 11897 3795 11876 3781 11877 3781 11892 $$ HOHMANN
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 12:07 PM PDT | Special Weather Statement | REV | Mono | 83 min |
| Jul 15, 3:07 PM PDT | Flash Flood Watch | REV | Lassen, Modoc, Plumas, Sierra | 54 hr |
Nearby
Flash Flood Warnings in California, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.