Alert archive / California / Flash Flood Warnings in 2007
Flash Flood Warning 13, NWS Reno, NV
NWS Reno, NV issued this flash flood warning at Jul 25, 2007, 3:52 PM PDT for Mono County, California. It was in force for 3 hr. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jul 25, 2007, 3:52 PM PDT (22:52 UTC)
- Expired
- Jul 25, 2007, 7:00 PM PDT
- In force
- 3 hr
- Issued by
- NWS Reno, NV
- Area
- Whole counties
County Mono County, CA
The radar
The San Joaquin Valley radar (KHNX), 192 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 25, 3:52 PM PDT | FLASH FLOOD | Mammoth Lakes, CA | WATER INSIDE BUILDINGS AT THE MAMMOTH MOUNTAIN SKI VILLAGE. MAIN STREET IS ALSO FLOODED. RAINFALL AMOUNT OF 2.06 INCHES SINCE 2 PM. |
| Jul 25, 3:52 PM PDT | HEAVY RAIN 2 | N Mammoth Lakes, CA | |
| Jul 25, 4:09 PM PDT | FLASH FLOOD | N Mammoth Lakes, CA | REPORT OF WATER AND DEBRIS OVER ROAD AT MINERETTE AVE NEAR THE MAMMOTH MOUNTAIN SKI VILLAGE. ADDITIONAL REPORT OF BUILDING FLOODED AT THE MAMMOTH MOUNTAIN SKI VILLAGE. |
| Jul 25, 5:44 PM PDT | HEAVY RAIN 2.52 | Mammoth Lakes, CA | TOTAL BETWEEN 200 PM AND 500 PM REPORTED BY AUTOMATED RAIN GAGE. |
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 191 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
- 2362 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS55 KREV 252256 FFWREV CAC051-260200- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE RENO NV 352 PM PDT WED JUL 25 2007 THE NATIONAL WEATHER SERVICE IN RENO HAS EXTENDED THE * FLASH FLOOD WARNING FOR... SOUTH CENTRAL MONO COUNTY IN CENTRAL CALIFORNIA... THIS INCLUDES THE CITY OF MAMMOTH LAKES... * UNTIL 700 PM PDT * AT 348 PM PDT...TRAINED WEATHER SPOTTERS REPORTED FLASH FLOODING FROM A THUNDERSTORM OVER THE WARNED AREA. OVER 2 INCHES OF RAINFALL HAS BEEN REPORTED IN MAMMOTH LAKES. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MAMMOTH MOUNTAIN...MAMMOTH LAKES...DEADMAN CREEK LEADING INTO CRESTVIEW. ...THIS CONTINUES TO BE A VERY DANGEROUS SITUATION IF YOU ARE IN A FLOOD PRONE AREA...HEAD TO HIGHER GROUND NOW... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. MOVE TO HIGHER GROUND. FLOODING IS OCCURRING. IT IS IMPORTANT TO KNOW WHERE YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR CREEKS. LAT...LON 3755 11910 3755 11888 3777 11888 3775 11912 $$ HOON
2 follow-up statements
000 WGUS75 KREV 260000 FFSREV FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RENO NV 500 PM PDT WED JUL 25 2007 CAC051-260200- MONO CA- 500 PM PDT WED JUL 25 2007 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 700 PM PDT FOR SOUTH CENTRAL MONO COUNTY... THIS CONTINUES TO BE A VERY DANGEROUS SITUATION TRAINED WEATHER SPOTTERS AND LAW ENFORCEMENT HAVE REPORTED SEVERAL STORES IN THE MAMMOTH MOUNTAIN SKI VILLAGE ARE FLOODED. DEBRIS WAS ALSO REPORTED OVER MINARET ROAD NEAR THE SKI VILLAGE. AN AUTOMATED RAIN GAGE IN MAMMOTH LAKES HAS REPORTED 2.52 INCHES OF RAIN SINCE 2 PM. NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWS THE THUNDERSTORM OVER MAMMOTH MOUNTAIN IS WEAKENING BUT WILL CONTINUE TO PRODUCE LIGHT TO MODERATE RAIN OVER THE STEEP TERRAIN SOUTH OF MAMMOTH LAKES THROUGH 6 PM. HIGH WATER WILL CONTINUE TO FLOW IN CREEKS AND STREAMS IN AND AROUND MAMMOTH LAKES. RAPID RISES ARE POSSIBLE ON CREEKS AND STREAMS NEAR HIGHWAY 395 FROM CRESTVIEW TO CONVICT LAKE ROAD. YOU ARE STRONGLY ENCOURAGED TO STAY AWAY FROM CREEKS AND STREAMS IN THE WARNED AREA DURING THE NEXT 2 HOURS. FLOOD WATERS CAN EASILY SWEEP YOU DOWNSTREAM. REMEMBER IN AREAS OF STEEP TERRAIN RAINFALL DOES NOT HAVE TO OCCUR AT YOUR LOCATION FOR A FLASH FLOOD TO OCCUR. LAT...LON 3755 11910 3755 11888 3777 11888 3775 11912 $$ BRONG
000 WGUS75 KREV 260143 FFSREV FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE RENO NV 641 PM PDT WED JUL 25 2007 CAC051-260200- MONO CA- 641 PM PDT WED JUL 25 2007 ...FLASH FLOOD WARNING EXPIRES AT 700 PM PDT FOR SOUTH CENTRAL MONO COUNTY... SKIES ARE CLEARING IN THE MAMMOTH LAKES AREAS. THUNDERSTORMS AND HEAVY RAIN HAVE MOVED AWAY FROM THE WARNED AREA. HIGH FLOWS ON CREEKS AND STREAMS WILL DECREASE THROUGH TONIGHT. LAT...LON 3755 11910 3755 11888 3777 11888 3775 11912 $$ BRONG
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 25, 3:06 PM PDT | Flash Flood Warning | REV | Mono | 114 min |
Nearby
Flash Flood Warnings in California, 2007Every flash flood warning in 2007
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.