Alert archive / Arizona / Flash Flood Warnings in 2015
Flash Flood Warning 3, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 6, 2015, 4:03 PM MST for Cochise County, Arizona. It was in force for 117 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 6, 2015, 4:03 PM MST (23:03 UTC)
- Expired
- Jul 6, 2015, 6:00 PM MST
- In force
- 117 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 63 km from the middle of the area, began a volume at 23:04 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 6, 4:30 PM MST | FLASH FLOOD | 3 N Coronado National M, AZ | REPORT OF 1.16 INCHES OF RAINFALL AS OF 1630 AND PEA SIZED HAIL. TRIBUTARY NEAR HOME IS 3 TO 4 FT WIDE AND 1 FT DEEP WITH SWIFTLY FLOWING WATER OUT OF ASH CANYON. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Tuscon, AZ (KDMA), launched 12:00Z, 11.1 hours before the alert went out and 103 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
- 631 J/kg
- Mixed-layer CIN
- -78 J/kg
- Mixed-layer LCL
- 1293 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 2 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
269
WGUS55 KTWC 062303
FFWTWC
AZC003-070100-
/O.NEW.KTWC.FF.W.0003.150706T2303Z-150707T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
403 PM MST MON JUL 6 2015
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN COCHISE COUNTY IN SOUTHEASTERN ARIZONA...
* UNTIL 600 PM MST
* AT 358 PM MST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES BOTH
INDICATED A THUNDERSTORM PRODUCING HEAVY RAIN ACROSS ASH AND
HUNTER CANYONS IN THE SOUTHERN HUACHUCA MOUNTAINS. AN AUTOMATED
RAIN GAGE IN ASH CANYON REPORTED 1.73 INCHES OF RAIN HAD FALLEN IN
THE PAST HOUR...AND ANOTHER GAGE IN HUNTER CANYON REPORTED 1.26
INCHES.
RADAR ESTIMATES THAT PORTIONS OF THE SOUTHERN HUACHUCA MOUNTAINS
HAVE RECEIVED BETWEEN 1 AND 2 INCHES. FLASH FLOODING IS EXPECTED
TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SIERRA VISTA...SIERRA VISTA SOUTHEAST...NICKSVILLE...RAMSEY CANYON
PRESERVE...HEREFORD AND CORONADO NATIONAL MEMORIAL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3154 11019 3134 11015 3134 11032 3145 11031
$$2 follow-up statements
724 WGUS75 KTWC 070027 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 527 PM MST MON JUL 6 2015 AZC003-070100- /O.CON.KTWC.FF.W.0003.000000T0000Z-150707T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 527 PM MST MON JUL 6 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 600 PM MST FOR SOUTHWESTERN COCHISE COUNTY... AT 518 PM MST...ALTHOUGH THE STORMS THAT PRODUCED THE HEAVY RAINFALL ACROSS ASH AND HUNTER CANYONS IN THE SOUTHERN HUACHUCA MOUNTAINS HAVE SUBSIDED...SIGNIFICANT RAINFALL RUNOFF WILL CONTINUE TO RESULT IN FLASH FLOODING IN HUNTER CANYON AND ALONG ASH CREEK. SMALL ROADS THAT INTERSECT ASH CREEK TO THE SOUTH OF HIGHWAY 92 ARE LIKELY IMPASSIBLE DUE TO THE FLASH FLOODING. AN AUTOMATED RAIN GAGE IN ASH CANYON REPORTED 2.72 INCHES OF RAIN HAS FALLEN FROM THESE STORMS...AND ANOTHER IN HUNTER CANYON REPORTED 1.57 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. && LAT...LON 3154 11019 3134 11015 3134 11032 3145 11031 $$
056 WGUS75 KTWC 070056 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 556 PM MST MON JUL 6 2015 AZC003-070105- /O.EXP.KTWC.FF.W.0003.000000T0000Z-150707T0100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE AZ- 556 PM MST MON JUL 6 2015 ...THE FLASH FLOOD WARNING FOR SOUTHWESTERN COCHISE COUNTY WILL EXPIRE AT 600 PM MST... THE HEAVY RAIN THAT FELL ACROSS THE SOUTHERN HUACHUCA MOUNTAINS HAS HAD AMLPE TIME TO FILL INTO ASH CREEK...AND THE THREAT OF FLASH FLOODING HAS SUBSIDED. PLEASE CONTINUE TO HEED ALL ROAD CLOSURES. LAT...LON 3154 11019 3134 11015 3134 11032 3145 11031 $$
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:49 PM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 3 hr |
| Jul 6, 3:56 PM MST | Special Weather Statement | TWC | Santa Cruz | 34 min |
Nearby
Flash Flood Warnings in Arizona, 2015Every flash flood warning in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.