Alert archive / Arizona / Flash Flood Warnings in 2016
Flash Flood Warning 21, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 9, 2016, 5:37 AM MST for Cochise County, Santa Cruz County, Arizona. It was in force for 113 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
- Aug 9, 2016, 5:37 AM MST (12:37 UTC)
- Expired
- Aug 9, 2016, 7:30 AM MST
- In force
- 113 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cochise County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 58 km from the middle of the area, began a volume at 12:37 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 9, 6:32 AM MST | FLASH FLOOD | 1 N Hereford, AZ | MILLER CREEK OVERFLOWING MOSON RD 2-3 INCHES DEEP |
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, 0.6 hours before the alert went out and 98 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
- 1435 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 1478 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 6 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
021 WGUS55 KTWC 091237 FFWTWC AZC003-023-091430- /O.NEW.KTWC.FF.W.0021.160809T1237Z-160809T1430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUCSON AZ 537 AM MST TUE AUG 9 2016 THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHWESTERN COCHISE COUNTY IN SOUTHEASTERN ARIZONA... SOUTHEASTERN SANTA CRUZ COUNTY IN SOUTHEASTERN ARIZONA... * UNTIL 730 AM MST * AT 533 AM MST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS EASTERN PARTS OF SANTA CRUZ COUNTY AND EXTREME SOUTHWESTERN COCHISE COUNTY. A TRAINED WEATHER SPOTTER REPORTED OVER 1.25 INCHES IN A HALF HOUR. IN ADDITION...RADAR RAINFALL ESTIMATES INDICATE AMOUNTS OF NEARLY TWO INCHES IN SOME LOCATIONS. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... SIERRA VISTA SOUTHEAST...CANELO...NICKSVILLE...PALOMINAS... RAMSEY CANYON PRESERVE...JUNCTION OF HIGHWAYS 80 AND 90... HEREFORD...PARKER CANYON LAKE... NACO AND CORONADO NATIONAL MEMORIAL. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING SPOTS. && LAT...LON 3154 11001 3134 10994 3134 11071 3158 11073 $$ MOLLERE
2 follow-up statements
640 WGUS75 KTWC 091309 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 609 AM MST TUE AUG 9 2016 AZC003-023-091430- /O.CON.KTWC.FF.W.0021.000000T0000Z-160809T1430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE-SANTA CRUZ- 609 AM MST TUE AUG 9 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 AM MST FOR SOUTHWESTERN COCHISE AND SOUTHEASTERN SANTA CRUZ COUNTIES... AT 557 AM MST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN CONTINUE ACROSS A LARGE PART OF EASTERN SANTA CRUZ COUNTY AND INTO SOUTHWESTERN COCHISE COUNTY. SEVERAL TRAINED WEATHER SPOTTERS HAVE REPORTED RAINFALL AMOUNTS OF OVER ONE INCH IN ABOUT A HALF HOUR. IN ADDITION, NUMEROUS AUTOMATED RAIN GAUGES, ESPECIALLY IN THE SIERRA VISTA AND HEREFORD AREA HAVE REPORTED AMOUNTS RANGING FROM AROUND A HALF INCH TO NEARLY TWO INCHES. AS A RESULT...FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY...IF IT HAS NOT ALREADY DONE SO. AREAS THAT MAY BE AFFECTED INCLUDE...BUT ARE NOT LIMITED TO, MILLER- CARR CANYON...HUNTER CANYON...ASH CANYON...RAMSEY CANYON, NOT TO MENTION PARTS OF THE CITIES OF SIERRA VISTA AND HEREFORD AS WELL. HEAVY RAIN IS ALSO OCCURRING OVER PARKER CANYON LAKE. NORMALLY DRY WASHES AND LOW WATER CROSSINGS MAY BE INUNDATED IN THE FOLLOWING LOCATIONS... SIERRA VISTA...SIERRA VISTA SOUTHEAST...CANELO...NICKSVILLE...PALOMINAS... RAMSEY CANYON PRESERVE...JUNCTION OF HIGHWAYS 80 AND 90...HEREFORD... PARKER CANYON LAKE...NACO AND CORONADO NATIONAL MEMORIAL. MOTORISTS ARE ADVISED TO DRIVE WITH EXTREME CAUTION THIS MORNING AS ROADWAYS MAY BE AFFECTED BY THE HEAVY RAIN...WITH DIPS IN THE ROADWAY BECOMING IMPASSABLE DUE TO RAPIDLY FLOWING WATER. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU CAN DO SO SAFELY. && LAT...LON 3154 11001 3134 10994 3134 11071 3158 11073 $$ MOLLERE
007 WGUS75 KTWC 091428 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 728 AM MST TUE AUG 9 2016 AZC003-023-091434- /O.EXP.KTWC.FF.W.0021.000000T0000Z-160809T1430Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ COCHISE-SANTA CRUZ- 728 AM MST TUE AUG 9 2016 ...THE FLASH FLOOD WARNING FOR SOUTHWESTERN COCHISE AND SOUTHEASTERN SANTA CRUZ COUNTIES WILL EXPIRE AT 730 AM MST... THE HEAVY RAIN HAS ENDED FOR NOW IN SOUTHWEST COCHISE COUNTY AND MUCH OF SOUTHEAST SANTA CRUZ COUNTY. HOWEVER...SOME MINOR FLOODING AND ELEVATED FLOWS IN WASHES IS EXPECTED TO CONTINUE FROM THE HEAVY RAIN THAT OCCURRED EARLIER THIS MORNING. A FLOOD ADVISORY REMAINS IN EFFECT FOR THESE AREAS UNTIL 815 AM MST. IN ADDITION...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 845 AM MST FOR NORTHEAST SANTA CRUZ COUNTY. LAT...LON 3154 11001 3134 10994 3134 11071 3158 11073 $$ KD
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 5:18 AM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 3 hr |
| Aug 9, 6:45 AM MST | Areal Flood Advisory | TWC | Pima, Santa Cruz | 3 hr |
| Aug 9, 6:45 AM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 2 hr |
| Aug 9, 7:46 AM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 5 hr |
| Aug 9, 8:13 AM MST | Areal Flood Advisory | TWC | Cochise, Santa Cruz | 2 hr |
| Aug 9, 8:30 AM MST | Areal Flood Advisory | TWC | Pima, Pinal | 4 hr |
| Aug 9, 9:08 AM MST | Flash Flood Warning | TWC | Pima | 3 hr |
| Aug 9, 11:50 AM MST | Areal Flood Advisory | TWC | Pima, Pinal | 115 min |
| Aug 9, 1:10 PM MST | Areal Flood Warning | TWC | Santa Cruz | 3 hr |
| Aug 9, 4:23 PM MST | Areal Flood Advisory | TWC | Cochise | 112 min |
Nearby
Flash Flood Warnings in Arizona, 2016Every flash flood warning in 2016
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.