Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 29, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this flash flood warning at Aug 22, 2012, 11:58 PM MST for Yavapai County, Arizona. 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
- Aug 22, 2012, 11:58 PM MST (06:58 UTC)
- Expired
- Aug 23, 2012, 3:00 AM MST
- In force
- 3 hr
- Issued by
- NWS Flagstaff, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 111 km from the middle of the area, began a volume at 06:57 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 00:00Z, 7.0 hours before the alert went out and 100 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
- 398 J/kg
- Mixed-layer CIN
- -97 J/kg
- Mixed-layer LCL
- 1185 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 19 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
352 WGUS55 KFGZ 230658 FFWFGZ AZC025-231000- /O.NEW.KFGZ.FF.W.0029.120823T0658Z-120823T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1158 PM MST WED AUG 22 2012 THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTH CENTRAL YAVAPAI COUNTY IN WEST CENTRAL ARIZONA... * UNTIL 300 AM MST * AT 1148 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN WAS HEADED DIRECTLY TOWARD THE GLADIATOR FIRE AREA. * THE STORM PRODUCING FLASH FLOODING WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. 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 3432 11240 3434 11227 3418 11226 3420 11241 $$ MAS
3 follow-up statements
302 WGUS75 KFGZ 230732 FFSFGZ FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 1232 AM MST THU AUG 23 2012 AZC025-231000- /O.CON.KFGZ.FF.W.0029.000000T0000Z-120823T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ YAVAPAI AZ- 1232 AM MST THU AUG 23 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 AM MST FOR SOUTH CENTRAL YAVAPAI COUNTY... AT 1224 AM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A THUNDERSTORM PRODUCING VERY HEAVY RAIN MOVING INTO THE WARNED AREA. THIS THUNDERSTORM WITH EXCESSIVE RAIN WILL PASS OVER THE GLADIATOR BURN AREA AND AFFECT THE TOWN OF CROWN KING OF THE INDICATED COUNTY. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL RAINFALL AMOUNTS OF UP TO 1 TO 1.5 INCHES ARE POSSIBLE IN THE WARNED AREA. THE HEAVY RAIN WILL LIKELY TRIGGER LIFE-THREATENING FLASH FLOODS...AS WELL AS MUDSLIDES...ROCKSLIDES...AND DEBRIS FLOWS WITHIN AND DOWNSTREAM OF THE GLADIATOR FIRE BURN AREA. ROADWAYS IN THE AREA WILL LIKELY BE INUNDATED AND WASHED OUT. STREAMS IN THE AREA WILL FLOW FAR ABOVE TYPICAL LEVELS AND WILL CARRY HEAVY AMOUNTS OF SEDIMENT. AREAS IMPACTED BY THIS WARNING INCLUDE THE GLADIATOR FIRE BURN AREA...THE COMMUNITY OF CROWN KING...CROWN KING ROAD...SENATOR HIGHWAY...AND POTENTIALLY SECTIONS OF WAGONER ROAD. FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES... DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM... EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. && LAT...LON 3432 11240 3434 11227 3418 11226 3420 11241 $$ TC
182 WGUS75 KFGZ 230842 FFSFGZ FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 142 AM MST THU AUG 23 2012 AZC025-231000- /O.CON.KFGZ.FF.W.0029.000000T0000Z-120823T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ YAVAPAI AZ- 142 AM MST THU AUG 23 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 AM MST FOR THE GLADIATOR BURN AREA IN SOUTH CENTRAL YAVAPAI COUNTY... AT 130 AM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORMS THAT PRODUCED THE HEAVY RAIN HAVE MOVE OUT OF THE GLADIATOR BURN AREA...HOWEVER THERE WERE ADDITION THUNDERSTORMS DEVELOPING AROUND THE AREA THAT WILL MOVE OVER THE WARNED AREA. ADDITIONAL RAINFALL AMOUNTS FROM PASSING THUNDERSTORMS COULD RESULT IN ANOTHER 0.5 TO 1.0 INCHES. GAGES IN THE BURN AREA REPORTED FROM 0.3 TO 0.8 INCHES OF RAIN HAVE FALLEN SINCE 1230 AM MST. 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. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. && LAT...LON 3432 11240 3434 11227 3418 11226 3420 11241 $$ TC
564 WGUS75 KFGZ 230940 FFSFGZ FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 240 AM MST THU AUG 23 2012 AZC025-231000- /O.CON.KFGZ.FF.W.0029.000000T0000Z-120823T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ YAVAPAI AZ- 240 AM MST THU AUG 23 2012 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 300 AM MST GLADIATOR BURN AREA IN SOUTH CENTRAL YAVAPAI COUNTY... AT 230 AM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED ANOTHER ROUND OF SHOWERS AND THUNDERSTORMS WITH MODERATE RAINFALL MOVING OVER THE GLADIATOR BURN. ADDITIONAL RAINFALL AMOUNTS OF 0.25 TO 0.5 INCHES CAN BE EXPECTED OVER THE GLADIATOR BURN. GAGES WITH IN THE BURN AREA HAVE TOTALED 0.5 TO 1.3 INCHES OF RAIN SINCE MIDNIGHT MST. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE HEAVY RAIN WILL LIKELY TRIGGER LIFE-THREATENING FLASH FLOODS...AS WELL AS MUDSLIDES...ROCKSLIDES...AND DEBRIS FLOWS WITHIN AND DOWNSTREAM OF THE GLADIATOR FIRE BURN AREA. ROADWAYS IN THE AREA WILL LIKELY BE INUNDATED AND WASHED OUT. STREAMS IN THE AREA WILL FLOW FAR ABOVE TYPICAL LEVELS AND WILL CARRY HEAVY AMOUNTS OF SEDIMENT. AREAS IMPACTED BY THIS WARNING INCLUDE THE GLADIATOR FIRE BURN AREA...THE COMMUNITY OF CROWN KING...CROWN KING ROAD...SENATOR HIGHWAY...AND POTENTIALLY SECTIONS OF WAGONER ROAD. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING. && LAT...LON 3432 11240 3434 11227 3418 11226 3420 11241 $$ TC
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 11:22 PM MST | Areal Flood Advisory | FGZ | Yavapai | 3 hr |
| Aug 23, 1:32 AM MST | Areal Flood Advisory | FGZ | Coconino, Yavapai | 4 hr |
| Aug 23, 2:04 AM MST | Areal Flood Advisory | FGZ | Coconino | 116 min |
| Aug 23, 3:02 AM MST | Flash Flood Warning | FGZ | Yavapai | 88 min |
| Aug 23, 5:11 AM MST | Areal Flood Advisory | FGZ | Gila | 109 min |
| Aug 23, 6:32 AM MST | Areal Flood Advisory | FGZ | Navajo | 62 min |
| Aug 23, 6:45 AM MST | Flash Flood Watch | FGZ | Apache, Coconino, Navajo | 6 hr |
| Aug 23, 7:27 AM MST | Areal Flood Advisory | FGZ | Coconino | 4 hr |
| Aug 23, 8:45 AM MST | Areal Flood Advisory | FGZ | Apache, Navajo | 105 min |
| Aug 23, 2:45 PM MST | Flash Flood Warning | FGZ | Coconino | 90 min |
| Aug 23, 3:14 PM MST | Severe Thunderstorm Warning | FGZ | Apache, Navajo | 31 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.