Alert archive / California / Flash Flood Warnings in 2012
Flash Flood Warning 6, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Jul 13, 2012, 3:21 PM PDT for Imperial County, California. It was in force for 114 min. 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 13, 2012, 3:21 PM PDT (22:21 UTC)
- Expired
- Jul 13, 2012, 5:15 PM PDT
- In force
- 114 min
- Issued by
- NWS Phoenix, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Imperial County, CA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 13, 3:30 PM PDT | FLASH FLOOD | 4 Wnw Ocotillo, CA | DELAYED REPORT...MUD...EST SOFTBALL AND SIMILAR VARIETY SIZE ROCKS AND ADDITIONAL WASH DEBRIS ALONG AND ACROSS PORTIONS OF COUNTY ROUTE S2 WEST OF OCOTILLO. DELAYED REPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
San Diego, CA (KNKX), launched 12:00Z, 10.4 hours before the alert went out and 123 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
- 1005 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- -3 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
233 WGUS55 KPSR 132221 FFWPSR CAC025-140015- /O.NEW.KPSR.FF.W.0006.120713T2221Z-120714T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 321 PM PDT FRI JUL 13 2012 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN IMPERIAL COUNTY IN SOUTHEAST CALIFORNIA... THIS INCLUDES PLASTER CITY...OCOTILLO... * UNTIL 515 PM PDT * AT 314 PM PDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED THUNDERSTORMS WITH VERY HEAVY RAIN FROM SEELEY...TO PLASTER CITY...TO OCOTILLO. MOVEMENT WAS NORTH AT 15 MPH. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EL CENTRO NAVAL AIRFIELD RADAR ESTIMATES THAT UP TO 1 1/2 INCHES OF RAIN HAS FALLEN SINCE 215 PM. FLOODING WILL AFFECT INTERSTATE 8 WEST OF EL CENTRO...YUHA WASH...NEW RIVER...AND HIGHWAY S 80. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS THAT PEOPLE ALONG THE BANKS OF WASHES AND CREEKS SHOULD MOVE TO HIGHER GROUND IMMEDIATELY. NORMALLY DRY WASHES AND STREAMS WILL SUDDENLY HAVE RUNNING WATER AND MAKE UNBRIDGED CROSSINGS IMPASSABLE. STREETS...UNDERPASSES...AND LOW SPOTS WILL BECOME INUNDATED MAKING DRIVING HAZARDOUS IN THE WARNED AREA. && LAT...LON 3295 11610 3299 11559 3267 11556 3264 11608 $$ WOODALL
3 follow-up statements
366 WGUS75 KPSR 132301 FFSPSR FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 401 PM PDT FRI JUL 13 2012 CAC025-140015- /O.CON.KPSR.FF.W.0006.000000T0000Z-120714T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ IMPERIAL CA- 401 PM PDT FRI JUL 13 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM PDT FOR SOUTHWESTERN IMPERIAL COUNTY... AT 356 PM PDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED THUNDERSTORMS WITH VERY HEAVY RAIN FROM NEAR BRAWLEY...TO NORTH OF OCOTILLO. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO EL CENTRO NAVAL AIRFIELD AND PLASTER CITY RADAR ESTIMATES THAT UP TO 2 INCHES OF RAIN FELL FROM PLASTER CITY TO OCOTILLO SINCE 300 PM. THIS IS LIKELY PRODUCING FLOODING IN THE AREA. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. REMEMBER...TURN AROUND...DONT DROWN. && LAT...LON 3295 11610 3299 11559 3267 11556 3264 11608 $$ WOODALL
965 WGUS75 KPSR 132339 FFSPSR FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 439 PM PDT FRI JUL 13 2012 CAC025-140015- /O.CON.KPSR.FF.W.0006.000000T0000Z-120714T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ IMPERIAL CA- 439 PM PDT FRI JUL 13 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 515 PM PDT FOR SOUTHWESTERN IMPERIAL COUNTY... AT 437 PM PDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED LIGHT RAIN LINGERING NORTHWEST OF PLASTER CITY. HOWEVER...RADAR ESTIMATES THAT UP TO 3 INCHES OF RAIN FELL NEAR AND NORTH OF OCOTILLO SINCE 330 PM. CONTINUED RUNOFF FROM THE VERY HEAVY RAIN WILL CONTINUE THE THREAT OF RUNOFF AND FLOODING. 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. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. && LAT...LON 3295 11610 3299 11559 3267 11556 3264 11608 $$ WOODALL
958 WGUS75 KPSR 140018 FFSPSR FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 518 PM PDT FRI JUL 13 2012 CAC025-140027- /O.EXP.KPSR.FF.W.0006.000000T0000Z-120714T0015Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ IMPERIAL CA- 518 PM PDT FRI JUL 13 2012 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHWESTERN IMPERIAL COUNTY... ALTHOUGH HEAVY RAIN HAS LEFT SOUTHWESTERN IMPERIAL COUNTY...RUNOFF AND LOCAL PONDING OF WATER WILL BE POSSIBLE INTO THE EARLY EVENING. LAT...LON 3295 11610 3299 11559 3267 11556 3264 11608 $$ WOODALL
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 1:18 PM PDT | Flash Flood Watch | PSR | 11 hr | |
| Jul 13, 1:32 PM PDT | Areal Flood Advisory | PSR | Riverside, San Bernardino | 118 min |
| Jul 13, 2:01 PM PDT | Areal Flood Advisory | PSR | Imperial | 119 min |
| Jul 13, 2:30 PM PDT | Flash Flood Warning | PSR | Imperial | 2 hr |
| Jul 13, 2:51 PM PDT | Areal Flood Advisory | PSR | Riverside | 114 min |
| Jul 13, 3:09 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 66 min |
| Jul 13, 3:53 PM PDT | Special Weather Statement | PSR | Imperial | 37 min |
| Jul 13, 4:09 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 51 min |
| Jul 13, 4:27 PM PDT | Flash Flood Warning | PSR | Imperial | 2 hr |
Nearby
Flash Flood Warnings in California, 2012Every flash flood warning in 2012
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.