Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 65, NWS Las Vegas, NV
NWS Las Vegas, NV issued this flash flood warning at Jul 30, 2012, 1:16 PM MST for Mohave County, Arizona. It was in force for 119 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 30, 2012, 1:16 PM MST (20:16 UTC)
- Expired
- Jul 30, 2012, 3:15 PM MST
- In force
- 119 min
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Mohave County, AZ
The radar
The Las Vegas radar (KESX), 44 km from the middle of the area, began a volume at 20:17 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 30, 2:00 PM MST | HEAVY RAIN 2.32 | 9 Nne White Hills, AZ | MOHAVE COUNTY FLOOD CONTROL SENATOR MOUNTAIN ALERT STATION MEASURED 2.32 INCHES OF RAINFALL BETWEEN 1 AND 2 PM. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Las Vegas, NV (KVEF), launched 12:00Z, 8.3 hours before the alert went out and 125 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
- 2888 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
170 WGUS55 KVEF 302016 FFWVEF AZC015-302215- /O.NEW.KVEF.FF.W.0065.120730T2016Z-120730T2215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE LAS VEGAS NV 116 PM MST MON JUL 30 2012 THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A * FLASH FLOOD WARNING FOR... WEST CENTRAL MOHAVE COUNTY IN NORTHWEST ARIZONA... * UNTIL 315 PM MST. * AT 108 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM A THUNDERSTORM NEAR DOLAN SPRINGS...OR 29 MILES NORTHWEST OF KINGMAN...MOVING NORTHWEST AT 20 MPH. * LOCATIONS IMPACTED INCLUDE...THE DETRITAL WASH AND OTHER NUMEROUS DRY WASHES THAT FEED INTO THE DETRITAL WASH NEAR DOLAN SPRINGS AND HIGHWAY 93. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3580 11460 3597 11425 3557 11412 3546 11446 $$ PIERCE
2 follow-up statements
377 WGUS75 KVEF 302110 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 210 PM MST MON JUL 30 2012 AZC015-302215- /O.CON.KVEF.FF.W.0065.000000T0000Z-120730T2215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 210 PM MST MON JUL 30 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 315 PM MST FOR WEST CENTRAL MOHAVE COUNTY... AT 200 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN NEAR SENATOR MOUNTAIN...OR NORTHEAST OF WHITE HILLS. AN AUTOMATED MOHAVE COUNTY FLOOD CONTROL GAGE ON SENATOR MOUNTAIN REPORTED 2.36 INCHES OF RAIN BETWEEN 1 PM AND 2 PM MST. THIS STORM WAS LOCATED 17 MILES NORTHWEST OF DOLAN SPRINGS...MOVING NORTHWEST AT 20 MPH. LOCATIONS IMPACTED INCLUDE...DETRITAL VALLEY INCLUDING WHITE HILLS AND DOLAN SPRINGS. PRECAUTIONARY/PREPAREDNESS ACTIONS... FLASH FLOODING IS EXPECTED IN WASHES...LOW WATER CROSSINGS AND ON AREA ROADWAYS. FLASH FLOODING IS NATURES NUMBER ONE KILLER. TO ESCAPE RISING WATER...MOVE TO HIGHER GROUND. NEVER TRY TO CROSS A FLOODED ROADWAY OR WALK THROUGH FLOODWATERS. TURN AROUND...DONT DROWN! REPORT FLOODING BY POSTING YOUR REPORT TO THE LAS VEGAS NATIONAL WEATHER SERVICE FACEBOOK PAGE...OR BY USING THE TWITTER HASHTAG... NWSVEGAS. && LAT...LON 3580 11460 3597 11425 3557 11412 3546 11446 $$ PIERCE
072 WGUS75 KVEF 302209 FFSVEF FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE LAS VEGAS NV 309 PM MST MON JUL 30 2012 AZC015-302218- /O.EXP.KVEF.FF.W.0065.000000T0000Z-120730T2215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MOHAVE AZ- 309 PM MST MON JUL 30 2012 ...THE FLASH FLOOD WARNING WILL EXPIRE AT 315 PM MST FOR WEST CENTRAL MOHAVE COUNTY... HEAVY RAINFALL HAS ENDED ACROSS THE WARNING AREA. THE FLASH FLOOD WARNING WILL EXPIRE AT 315 PM MST. LAT...LON 3580 11460 3597 11425 3557 11412 3546 11446 $$ PIERCE
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 9:00 PM MST | Flash Flood Watch | VEF | Mohave | 25 hr |
| Jul 30, 11:01 AM MST | Flash Flood Warning | VEF | Mohave | 119 min |
| Jul 30, 11:42 AM MST | Flash Flood Warning | VEF | Mohave | 2 hr |
| Jul 30, 12:05 PM MST | Areal Flood Advisory | VEF | Mohave | 115 min |
Nearby
Flash Flood Warnings in Arizona, 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; radar from the NEXRAD Level II archive.