Alert archive / Arizona / Flash Flood Warnings in 2012
Flash Flood Warning 30, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this flash flood warning at Aug 23, 2012, 3:02 AM MST for Yavapai County, Arizona. It was in force for 88 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
- Aug 23, 2012, 3:02 AM MST (10:02 UTC)
- Expired
- Aug 23, 2012, 4:30 AM MST
- In force
- 88 min
- 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 10:04 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, 10.0 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.
683 WGUS55 KFGZ 231002 FFWFGZ AZC025-231130- /O.NEW.KFGZ.FF.W.0030.120823T1002Z-120823T1130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 302 AM MST THU AUG 23 2012 THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A * FLASH FLOOD WARNING FOR... GLADIATOR BURN AREA HAS BEEN EXTENDED FOR SOUTH CENTRAL YAVAPAI COUNTY IN WEST CENTRAL ARIZONA... * UNTIL 430 AM MST * AT 248 AM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED MODERATE TO HEAVY RAIN FROM ANOTHER ROUND OF THUNDERSTORMS OVER THE GLADIATOR BURN AREA. ADDITIONAL RAINFALL AMOUNTS OF 0.25 TO 0.5 INCHES ARE POSSIBLE IN THE WARNED AREA. RAIN GAGES WITHIN THE BURN AREA CONTINUE TO REPORT MODERATE RAINFALL IS STILL FALLING WITH RAINFALL TOTALS FROM 1.0 TO 1.4 INCHES. ADDITIONAL RAINFALL WILL ONLY PROLONG ELEVATED STREAM FLOW AND FLOODING WITHIN THE GLADIATOR BURN AREA. 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 $$ TC
1 follow-up statement
290 WGUS75 KFGZ 231143 FFSFGZ FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 443 AM MST THU AUG 23 2012 AZC025-231149- /O.EXP.KFGZ.FF.W.0030.000000T0000Z-120823T1130Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ YAVAPAI AZ- 443 AM MST THU AUG 23 2012 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR THE GLADIATOR BURN AREA IN SOUTH CENTRAL YAVAPAI COUNTY... AT 440 AM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED THAT THERE IS NO LONGER A THREAT OF ADDITIONAL STORMS. THE LINE OF STORMS HAS ADVANCED WELL EAST OF THE GLADIATOR BURN WITH NO ADDITIONAL STORMS TO MOVER OVER THE THE AREA. THE FLASH FLOOD WARNING FOR THE GLADIATOR BURN HAS EXPIRED AND WILL NO LONGER BE EXTENDED. WASHES AND STREAMS WITHIN THE GLADIATOR BURN WILL CONTINUE TO RECEDE THROUGH THIS MORNING. LAT...LON 3432 11240 3434 11227 3418 11226 3420 11241 $$ 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 22, 11:58 PM MST | Flash Flood Warning | 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, 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.