Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 38, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this flash flood warning at Sep 4, 2012, 11:43 AM MST for Yavapai County, Arizona. It was in force for 107 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 4, 2012, 11:43 AM MST (18:43 UTC)
- Expired
- Sep 4, 2012, 1:30 PM MST
- In force
- 107 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 110 km from the middle of the area, began a volume at 18:44 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
Phoenix, AZ (KPSR), launched 12:00Z, 6.7 hours before the alert went out and 109 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
- 463 J/kg
- Mixed-layer CIN
- -224 J/kg
- Mixed-layer LCL
- 1399 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
773 WGUS55 KFGZ 041843 FFWFGZ AZC025-042030- /O.NEW.KFGZ.FF.W.0038.120904T1843Z-120904T2030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1143 AM MST TUE SEP 4 2012 THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL YAVAPAI COUNTY IN WEST CENTRAL ARIZONA... * UNTIL 130 PM MST * AT 1130 AM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN FROM 2 MILES SOUTH OF WALKER...TO JUST WEST OF MAYER...TO NEAR CROWN KING. RAINFALL AMOUNTS OF 1 TO 2 INCHES SINCE 1130 AM ARE INDICATED BY RADAR WEST OF MAYER...WITH OVER A HALF INCH ON THE SOUTHERN PORTIONS OF THE GLADIATOR BURN AREA NEAR CROWN KING. ADDITIONAL THUNDERSTORMS WILL CONTINUE TO PRODUCE HEAVY RAIN IN THESE AREAS THROUGH AT LEAST NOON MST. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES... TURKEY CREEK...MILK CREEK...BLIND INDIAN CREEK...WOLF CREEK... HASSAYAMPA RIVER...TOWERS CREEK...CRAZY BASIN CREEK...POLAND CREEK... LITTLE WOLF CREEK...BEAR CREEK...TUSCUMBIA CREEK...PINE CREEK... ARRASTRA CREEK...GRAPEVINE CREEK...BIG BUG CREEK...LYNX CREEK AND MINNEHAHA CREEK. THE HEAVY RAIN WILL LIKELY TRIGGER LIFE-THREATENING FLASH FLOODS...AS WELL AS MUDSLIDES...ROCKSLIDES...AND DEBRIS FLOWS WITHIN AND DOWNSTREAM OF THE GLADIATOR FIRE BURN AREA. ROADWAYS IN THE AREA WILL LIKELY BE INUNDATED AND WASHED OUT. STREAMS IN THE AREA WILL FLOW FAR ABOVE TYPICAL LEVELS AND WILL CARRY HEAVY AMOUNTS OF SEDIMENT. AREAS IMPACTED BY THIS WARNING INCLUDE THE GLADIATOR FIRE BURN AREA...THE COMMUNITY OF CROWN KING...CROWN KING ROAD. 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 3447 11244 3443 11231 3421 11228 3420 11239 $$ JJ
1 follow-up statement
288 WGUS75 KFGZ 041948 FFSFGZ FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1248 PM MST TUE SEP 4 2012 AZC025-042030- /O.CON.KFGZ.FF.W.0038.000000T0000Z-120904T2030Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ YAVAPAI AZ- 1248 PM MST TUE SEP 4 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 PM MST FOR CENTRAL YAVAPAI COUNTY... AT 1245 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER THE GLADIATOR BURN AREA IN THE CROWN KING AREA. AUTOMATED RAIN GAGES IN THIS AREA HAVE MEASURED 1 TO 2 INCHES OF RAIN SINCE 1130 AM...WITH ADDITIONAL HEAVY RAIN LIKELY THROUGH AT LEAST 115 PM MST. CROWN KING ROAD AND THE SENATOR HIGHWAY ARE AT HIGH RISK FOR FLOODING. OTHER AREAS LOCATED IN THE WARNING INCLUDE THE WOLF CREEK AND TURKEY CREEK DRAINAGES BETWEEN MAYER AND WALKER. RAIN HAS DIMINISHED IN THIS AREA...BUT FLOODING IS STILL LIKELY DUE TO EARLIER HEAVY RAIN AMOUNTS OF UP TO 2 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE HEAVY RAIN WILL LIKELY TRIGGER LIFE-THREATENING FLASH FLOODS...AS WELL AS MUDSLIDES...ROCKSLIDES...AND DEBRIS FLOWS WITHIN AND DOWNSTREAM OF THE GLADIATOR FIRE BURN AREA. ROADWAYS IN THE AREA WILL LIKELY BE INUNDATED AND WASHED OUT. STREAMS IN THE AREA WILL FLOW FAR ABOVE TYPICAL LEVELS AND WILL CARRY HEAVY AMOUNTS OF SEDIMENT. AREAS IMPACTED BY THIS WARNING INCLUDE THE GLADIATOR FIRE BURN AREA...THE COMMUNITY OF CROWN KING...CROWN KING ROAD...SENATOR HIGHWAY...AND POTENTIALLY SECTIONS OF WAGONER ROAD. && LAT...LON 3447 11244 3443 11231 3421 11228 3420 11239 $$ JJ
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 4, 1:13 PM MST | Areal Flood Advisory | FGZ | Yavapai | 3 hr |
| Sep 4, 1:18 PM MST | Flash Flood Warning | FGZ | Gila | 117 min |
| Sep 4, 1:30 PM MST | Flash Flood Warning | FGZ | Yavapai | 2 hr |
| Sep 4, 2:18 PM MST | Areal Flood Advisory | FGZ | Coconino, Yavapai | 117 min |
| Sep 4, 2:25 PM MST | Special Weather Statement | FGZ | 35 min | |
| Sep 4, 2:51 PM MST | Areal Flood Advisory | FGZ | Gila | 114 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.