Alert archive / Arizona / Flash Flood Warnings in 2011
Flash Flood Warning 7, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this flash flood warning at Jul 6, 2011, 2:05 PM MST for Coconino County, Arizona. It was in force for 85 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
- Jul 6, 2011, 2:05 PM MST (21:05 UTC)
- Expired
- Jul 6, 2011, 3:30 PM MST
- In force
- 85 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Coconino County, AZ
The radar
The Flagstaff radar (KFSX), 95 km from the middle of the area, began a volume at 21:08 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
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 9.1 hours before the alert went out and 24 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
- 235 J/kg
- Mixed-layer CIN
- -115 J/kg
- Mixed-layer LCL
- 1497 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
330 WGUS55 KFGZ 062105 FFWFGZ AZC005-062230- /O.NEW.KFGZ.FF.W.0007.110706T2105Z-110706T2230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 205 PM MST WED JUL 6 2011 THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL COCONINO COUNTY IN NORTH CENTRAL ARIZONA... * UNTIL 330 PM MST * AT 154 PM MST...NATIONAL WEATHER SERVICE RADAR INDICATED THUNDERSTORMS WITH VERY HEAVY RAIN FALLING OVER THE NORTHERN PORTIONS OF THE SCHULTZ BURN AREA...WITH AN AUTOMATED RAIN GAGE RECEIVING NEARLY AN INCH OF RAIN IN LESS THAN 30 MINUTES. FLASH FLOODING IS LIKELY TO DEVELOP OVER THE BURNED AREA...AND SHOULD REACH THE WUPATKI TRAILS AND FERNWOOD AREAS SHORTLY. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FERNWOOD AND WUPATKI TRAILS PRECAUTIONARY/PREPAREDNESS ACTIONS... THE HEAVY RAIN WILL LIKELY TRIGGER FLASH FLOODS WITHIN VULNERABLE DRAINAGES IN AND DOWNSTREAM OF THE SCHULTZ FIRE BURN AREA. NORMALLY DRY WASHES IN THE WARNING AREA WILL BECOME QUICKLY INUNDATED BY FLOODWATERS. AREAS IMPACTED BY THIS WARNING INCLUDE THOSE COMMUNITIES NORTHEAST OF FLAGSTAFF ALONG AND NEAR HIGHWAY 89 NORTH OF SILVER SADDLE ROAD...INCLUDING BUT NOT LIMITED TO WUPATKI TRAILS AND FERNWOOD NEIGHBORHOODS. AT THIS TIME THE WARNING DOES NOT INCLUDE THE DONEY PARK AREA EAST OF HIGHWAY 89. && LAT...LON 3540 11161 3539 11155 3531 11155 3532 11164 $$ JJ
2 follow-up statements
880 WGUS75 KFGZ 062136 FFSFGZ FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 236 PM MST WED JUL 6 2011 AZC005-062230- /O.CON.KFGZ.FF.W.0007.000000T0000Z-110706T2230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCONINO AZ- 236 PM MST WED JUL 6 2011 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 330 PM MST FOR CENTRAL COCONINO COUNTY... AT 222 PM MST...NATIONAL WEATHER SERVICE RADAR INDICATED THAT HEAVY RAIN HAD MOVED NORTH OF THE SCHULTZ BURN AREA. HOWEVER...RADAR AND AUTOMATED RAIN GAGES SHOWED RAINFALL AMOUNTS AROUND 1 INCH BETWEEN 130 PM AND 200 PM MST OVER THE NORTHERN SECTIONS OF THE BURNED AREA. FLASH FLOODING IS MOST LIKELY IN THE WUPATKI TRAILS AND FERNWOOD NEIGHBORHOODS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THE HEAVY RAIN WILL LIKELY TRIGGER FLASH FLOODS WITHIN VULNERABLE DRAINAGES IN AND DOWNSTREAM OF THE SCHULTZ FIRE BURN AREA. NORMALLY DRY WASHES IN THE WARNING AREA WILL BECOME QUICKLY INUNDATED BY FLOODWATERS. AREAS IMPACTED BY THIS WARNING INCLUDE THOSE COMMUNITIES NORTHEAST OF FLAGSTAFF ALONG AND NEAR HIGHWAY 89 NORTH OF SILVER SADDLE ROAD...INCLUDING BUT NOT LIMITED TO THE WUPATKI TRAILS...AND FERNWOOD NEIGHBORHOODS. AT THIS TIME THE WARNING DOES NOT INCLUDE THE DONEY PARK AREA EAST OF HIGHWAY 89. && LAT...LON 3540 11161 3539 11155 3531 11155 3532 11164 $$ JJ
885 WGUS75 KFGZ 062235 FFSFGZ FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE FLAGSTAFF AZ 335 PM MST WED JUL 6 2011 AZC005-062240- /O.EXP.KFGZ.FF.W.0007.000000T0000Z-110706T2230Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCONINO AZ- 335 PM MST WED JUL 6 2011 ...THE FLASH FLOOD WARNING HAS EXPIRED FOR CENTRAL COCONINO COUNTY... RAIN ENDED AROUND 2 PM MST OVER THE SCHULTZ BURN AREA. AT 325 PM...COUNTY EMERGENCY MANAGEMENT REPORTED THAT NO FLOODING HAS OCCURRED IN THE NEIGHBORHOODS DOWNSTREAM FROM THE BURNED AREA INCLUDING WUPATKI TRAILS AND FERNWOOD. THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 330 PM MST. LAT...LON 3540 11161 3539 11155 3531 11155 3532 11164 $$ JJ
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 5:02 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 28 min |
| Jul 5, 5:04 PM MST | Special Weather Statement | FGZ | Yavapai | 41 min |
| Jul 5, 5:30 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 30 min |
| Jul 5, 5:58 PM MST | Flash Flood Warning | FGZ | Yavapai | 77 min |
| Jul 5, 7:25 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 50 min |
| Jul 5, 7:56 PM MST | Flash Flood Warning | FGZ | Yavapai | 94 min |
| Jul 6, 1:26 PM MST | Special Weather Statement | FGZ | 34 min | |
| Jul 6, 1:51 PM MST | Special Weather Statement | FGZ | 24 min | |
| Jul 6, 1:57 PM MST | Areal Flood Advisory | FGZ | Navajo | 91 min |
| Jul 6, 4:11 PM MST | Special Weather Statement | FGZ | 49 min |
Nearby
Flash Flood Warnings in Arizona, 2011Every flash flood warning in 2011
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.