Alert archive / Arizona / Flash Flood Warnings in 2016
Flash Flood Warning 2, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Jul 18, 2016, 6:16 PM MST for Maricopa County, Arizona. It was in force for 3 hr. 2 reports 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 18, 2016, 6:16 PM MST (01:16 UTC)
- Expired
- Jul 18, 2016, 9:15 PM MST
- In force
- 3 hr
- Issued by
- NWS Phoenix, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Maricopa County, AZ
The radar
The Phoenix radar (KIWA), 32 km from the middle of the area, began a volume at 01:18 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 18, 6:25 PM MST | FLASH FLOOD | 4 Wnw Guadalupe, AZ | 24TH ST AND BASELINE. SIGNIFICANT STREET FLOODING AND MINOR PROPERTY DAMAGE TO A GAS STATION. TIME ESTIMATED. |
| Jul 18, 7:42 PM MST | FLOOD | 3 Nne Sky Harbor Airpor, AZ | MAA12024 REPORTS OF FLOODING AND MULTIPLE PALM TREES BLOWN DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phoenix, AZ (KPSR), launched 00:00Z, 1.3 hours before the alert went out and 2 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
- 243 J/kg
- Mixed-layer CIN
- -95 J/kg
- Mixed-layer LCL
- 2699 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
417 WGUS55 KPSR 190116 FFWPSR AZC013-190415- /O.NEW.KPSR.FF.W.0002.160719T0116Z-160719T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 616 PM MST MON JUL 18 2016 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A * FLASH FLOOD WARNING FOR... EASTERN MARICOPA COUNTY IN SOUTH CENTRAL ARIZONA... * UNTIL 915 PM MST * AT 616 PM MST...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. UP TO ONE AND ONE HALF INCH OF RAIN HAS ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... PHOENIX...CHANDLER...TEMPE...SKY HARBOR AIRPORT... ARIZONA MILLS MALL...ARIZONA STATE FAIRGROUNDS... ARIZONA STATE UNIVERSITY...TEMPE MARKETPLACE... SOUTH MOUNTAIN PARK...PAPAGO PARK...DOWNTOWN PHOENIX... SOUTH PHOENIX AND GUADALUPE. 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...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 3349 11189 3329 11191 3330 11212 3349 11210 $$ CK
3 follow-up statements
998 WGUS75 KPSR 190149 FFSPSR FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 649 PM MST MON JUL 18 2016 AZC013-190415- /O.CON.KPSR.FF.W.0002.000000T0000Z-160719T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARICOPA AZ- 649 PM MST MON JUL 18 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM MST FOR EASTERN MARICOPA COUNTY... AT 647 PM MST...DOPPLER RADAR RAINFALL ESTIMATES OF ONE TO TWO INCHES OF RAIN HAS FALLEN FROM THUNDERSTORMS IN PHOENIX. FLASH FLOODING OF AREA ROADWAYS IS POSSIBLE. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... PHOENIX...CHANDLER...TEMPE...SKY HARBOR AIRPORT... ARIZONA MILLS MALL...ARIZONA STATE FAIRGROUNDS... ARIZONA STATE UNIVERSITY...TEMPE MARKETPLACE...SOUTH MOUNTAIN PARK... PAPAGO PARK...DOWNTOWN PHOENIX...SOUTH PHOENIX AND GUADALUPE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 3349 11189 3329 11191 3330 11212 3349 11210 $$ CK
138 WGUS75 KPSR 190231 FFSPSR FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 731 PM MST MON JUL 18 2016 AZC013-190415- /O.CON.KPSR.FF.W.0002.000000T0000Z-160719T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARICOPA AZ- 731 PM MST MON JUL 18 2016 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM MST FOR EASTERN MARICOPA COUNTY... AT 728 PM MST...THE THUNDERSTORM THAT PRODUCED UP TO TWO INCHES OF RAIN IN THE WARNING AREA HAS DISSIPATED...BUT THE THREAT FOR FLASH FLOODING CONTINUES. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... PHOENIX...CHANDLER...TEMPE...SKY HARBOR AIRPORT... ARIZONA MILLS MALL...ARIZONA STATE FAIRGROUNDS... ARIZONA STATE UNIVERSITY...TEMPE MARKETPLACE...SOUTH MOUNTAIN PARK... PAPAGO PARK...DOWNTOWN PHOENIX...SOUTH PHOENIX AND GUADALUPE. 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...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS. && LAT...LON 3349 11189 3329 11191 3330 11212 3349 11210 $$ CK
142 WGUS75 KPSR 190407 FFSPSR FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 907 PM MST MON JUL 18 2016 AZC013-190415- /O.EXP.KPSR.FF.W.0002.000000T0000Z-160719T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MARICOPA AZ- 907 PM MST MON JUL 18 2016 ...THE FLASH FLOOD WARNING FOR EASTERN MARICOPA COUNTY WILL EXPIRE AT 915 PM MST... THE RAIN HAS ENDED. FLOOD WATERS HAVE MOSTLY RECEDED WITH SOME LINGERING WATER IN AREA CANALS AND WASHES. FLOODING IS NO LONGER EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES. LAT...LON 3349 11189 3329 11191 3330 11212 3349 11210 $$ CK
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 5:03 PM MST | Special Weather Statement | PSR | Maricopa | 27 min |
| Jul 18, 5:11 PM MST | Dust Storm Warning | PSR | 66 min | |
| Jul 18, 5:15 PM MST | Special Weather Statement | PSR | 30 min | |
| Jul 18, 5:29 PM MST | Special Weather Statement | PSR | Maricopa | 31 min |
| Jul 18, 5:35 PM MST | Areal Flood Advisory | PSR | Maricopa | 3 hr |
| Jul 18, 5:37 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 23 min |
| Jul 18, 5:44 PM MST | Areal Flood Advisory | PSR | Maricopa, Pinal | 3 hr |
| Jul 18, 5:57 PM MST | Special Weather Statement | PSR | Maricopa | 33 min |
| Jul 18, 6:10 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 35 min |
| Jul 18, 6:20 PM MST | Special Weather Statement | PSR | 40 min | |
| Jul 18, 6:32 PM MST | Special Weather Statement | PSR | Gila | 43 min |
| Jul 18, 6:43 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 32 min |
| Jul 18, 6:59 PM MST | Areal Flood Advisory | PSR | Maricopa | 3 hr |
| Jul 18, 7:03 PM MST | Special Weather Statement | PSR | Gila | 42 min |
| Jul 18, 7:08 PM MST | Areal Flood Advisory | PSR | Maricopa | 3 hr |
| Jul 18, 7:26 PM MST | Special Weather Statement | PSR | 19 min | |
| Jul 18, 7:47 PM MST | Special Weather Statement | PSR | 28 min | |
| Jul 19, 3:25 PM MST | Blowing Dust Advisory | PSR | 2 hr | |
| Jul 19, 4:26 PM MST | Special Weather Statement | PSR | 49 min | |
| Jul 19, 4:35 PM MST | Special Weather Statement | PSR | 40 min | |
| Jul 19, 4:40 PM MST | Severe Thunderstorm Warning | PSR | Gila, Maricopa, Pinal | 35 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.