Alert archive / Arizona / Flash Flood Watches in 2013
Flash Flood Watch 4, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this flash flood watch at Jul 27, 2013, 10:34 AM MST for Apache County, Coconino County, Navajo County, Arizona. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jul 27, 2013, 10:34 AM MST (17:34 UTC)
- Expired
- Jul 27, 2013, 11:00 PM MST
- In force
- 12 hr
- Issued by
- NWS Flagstaff, AZ
- Flood severity
- None
Counties Apache County, AZ, Coconino County, AZ, Navajo County, AZ
The radar
The Flagstaff radar (KFSX), 124 km from the middle of the area, began a volume at 17:37 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, 5.6 hours before the alert went out and 121 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
- 9 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 1323 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 40 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Flagstaff, AZ wrote its last area forecast discussion before this flash flood watch went out at Jul 27, 9:51 AM MST, 43 minutes earlier.
Area forecast discussion, Jul 27, 9:51 AM MST, 43 minutes before
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</html>Hazardous weather outlook, Jul 27, 5:09 AM MST, 5 hours 25 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 509 AM MST SAT JUL 27 2013 AZZ004>018-037>040-280700- KAIBAB PLATEAU-MARBLE AND GLEN CANYONS-GRAND CANYON COUNTRY- COCONINO PLATEAU-YAVAPAI COUNTY MOUNTAINS- NORTHEAST PLATEAUS AND MESAS HWY 264 NORTHWARD-CHINLE VALLEY- CHUSKA MOUNTAINS AND DEFIANCE PLATEAU- LITTLE COLORADO RIVER VALLEY IN COCONINO COUNTY- LITTLE COLORADO RIVER VALLEY IN NAVAJO COUNTY- LITTLE COLORADO RIVER VALLEY IN APACHE COUNTY- WESTERN MOGOLLON RIM-EASTERN MOGOLLON RIM-WHITE MOUNTAINS- NORTHERN GILA COUNTY-YAVAPAI COUNTY VALLEYS AND BASINS- OAK CREEK AND SYCAMORE CANYONS-BLACK MESA AREA- NORTHEAST PLATEAUS AND MESAS SOUTH OF HWY 264- 509 AM MST SAT JUL 27 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR APACHE...COCONINO... NORTHERN GILA...NAVAJO...AND YAVAPAI COUNTIES IN NORTHERN ARIZONA. .DAY ONE...TODAY AND TONIGHT MONSOON MOISTURE WILL REMAIN OVER NORTHERN ARIZONA WITH ANOTHER ROUND OF THUNDERSTORMS DEVELOPING DURING THE DAY. STORMS WILL BE MOST NUMEROUS FROM THE MOGOLLON RIM NORTHWARD ACROSS THE NAVAJO AND HOPI NATIONS. THE MAIN THREAT FROM STORMS WILL CONTINUE TO BE HEAVY RAIN. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY EXPECT ANOTHER ROUND OF THUNDERSTORMS ON SUNDAY AS MOISTURE REMAINS IN PLACE. BY MONDAY...DRIER AIR WILL MOVE OVER THE AREA WITH THUNDERSTORM AND SHOWER ACTIVITY BECOMING ISOLATED. .SPOTTER INFORMATION STATEMENT... WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 5:00 PM MST | Areal Flood Advisory | FGZ | Coconino, Navajo | 3 hr |
| Jul 26, 6:34 PM MST | Special Weather Statement | FGZ | 26 min | |
| Jul 26, 8:54 PM MST | Flash Flood Warning | FGZ | Yavapai | 3 hr |
| Jul 27, 7:38 AM MST | Areal Flood Advisory | FGZ | Gila | 3 hr |
| Jul 27, 10:58 AM MST | Areal Flood Advisory | FGZ | Coconino, Navajo | 3 hr |
| Jul 27, 2:16 PM MST | Areal Flood Advisory | FGZ | Coconino | 4 hr |
| Jul 27, 2:59 PM MST | Areal Flood Advisory | FGZ | Coconino | 3 hr |
| Jul 27, 3:21 PM MST | Flash Flood Warning | FGZ | Coconino | 4 hr |
| Jul 27, 3:40 PM MST | Areal Flood Advisory | FGZ | Coconino | 3 hr |
| Jul 27, 4:17 PM MST | Areal Flood Advisory | FGZ | Yavapai | 88 min |
| Jul 27, 4:35 PM MST | Areal Flood Advisory | FGZ | Coconino, Yavapai | 3 hr |
| Jul 27, 4:49 PM MST | Special Weather Statement | FGZ | 41 min |
Nearby
Flash Flood Watches in Arizona, 2013Every flash flood watch in 2013
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.