Alert archive / Arizona / Flash Flood Warnings in 2016
Flash Flood Warning 4, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Aug 5, 2016, 9:20 AM MST for Maricopa County, Arizona. It was in force for 115 min. 10 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
- Aug 5, 2016, 9:20 AM MST (16:20 UTC)
- Expired
- Aug 5, 2016, 11:15 AM MST
- In force
- 115 min
- Issued by
- NWS Phoenix, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Maricopa County, AZ
The radar
The Phoenix radar (KIWA), 53 km from the middle of the area, began a volume at 16:21 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 5, 9:30 AM MST | FLOOD | 7 Sse Deer Valley, AZ | ONE CAR STUCK IN FLOOD WATERS AND PERSON RESCUED NEAR CAVE CREEK RD AND HATCHER. |
| Aug 5, 9:31 AM MST | FLASH FLOOD | North Scottsdale, AZ | 1 INCH IN 20 MINS HAYDEN LOOP AND FRANK LLOYD WRIGHT ROADWAY FLOODED. FRANK LLOYD WRIGHT AT SCOTTSDALE AIRPORT CENTER LANE FLOODED. FRANK LLOYD WRIGHT AND N NORTHSIGHT BLVD RIGHT LANE OF ROADWAY FLOODED. |
| Aug 5, 9:38 AM MST | HEAVY RAIN 0.5 | 4 S Carefree, AZ | 1/2 RAIN IN 30 MINUTES TEMP DROPPED FROM 84 TO 69. |
| Aug 5, 10:00 AM MST | FLOOD | 6 N North Scottsdale, AZ | U-HAUL TRUCK STUCK IN FLOOD WATERS . |
| Aug 5, 10:00 AM MST | FLOOD | 7 S Carefree, AZ | ROADS CLOSED DUE TO FLOODING. |
| Aug 5, 10:00 AM MST | HEAVY RAIN 1.54 | 7 Sse Carefree, AZ | . |
| Aug 5, 10:00 AM MST | HEAVY RAIN 2.13 | 6 Sse Carefree, AZ | . |
| Aug 5, 10:30 AM MST | HEAVY RAIN 2.64 | 7 Se Carefree, AZ | . |
| Aug 5, 11:00 AM MST | HEAVY RAIN 1.57 | 5 E Deer Valley, AZ | . |
| Aug 5, 11:00 AM MST | HEAVY RAIN 1.61 | 6 E Deer Valley, AZ | . |
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 12:00Z, 4.3 hours before the alert went out and 35 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
- 894 J/kg
- Mixed-layer CIN
- -103 J/kg
- Mixed-layer LCL
- 1777 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
958
WGUS55 KPSR 051620
FFWPSR
AZC013-051815-
/O.NEW.KPSR.FF.W.0004.160805T1620Z-160805T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
920 AM MST FRI AUG 5 2016
THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MARICOPA COUNTY IN SOUTH CENTRAL ARIZONA...
* UNTIL 1115 AM MST
* AT 917 AM MST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA. FLASH
FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NORTH PHOENIX...PARADISE VALLEY...SCOTTSDALE...CAVE CREEK...
AND CAREFREE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. TURN AROUND...DON'T DROWN
WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3388 11169 3376 11168 3351 11181 3357 11216
3380 11215
$$
AJ3 follow-up statements
401
WGUS75 KPSR 051642
FFSPSR
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
942 AM MST FRI AUG 5 2016
AZC013-051815-
/O.CON.KPSR.FF.W.0004.000000T0000Z-160805T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARICOPA AZ-
942 AM MST FRI AUG 5 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 AM MST FOR
MARICOPA COUNTY...
AT 938 AM MST...RUNOFF FROM HEAVY RAIN IS CAUSING FLASH FLOODING
OVER NORTHERN PORTIONS OF METRO PHOENIX. FLOODED WASHES ARE MAKING
SOME ROADWAYS IMPASSABLE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NORTH PHOENIX...NORTH SCOTTSDALE...PARADISE VALLEY...NEW RIVER...
CAVE CREEK...CAREFREE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. WHEN ENCOUNTERING FLOODED
ROADS...TURN AROUND...DON'T DROWN. MOST FLOOD DEATHS OCCUR IN
VEHICLES.
&&
LAT...LON 3388 11169 3376 11168 3351 11181 3357 11216
3380 11215
$$
AJ379
WGUS75 KPSR 051713
FFSPSR
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
1013 AM MST FRI AUG 5 2016
AZC013-051815-
/O.CON.KPSR.FF.W.0004.000000T0000Z-160805T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARICOPA AZ-
1013 AM MST FRI AUG 5 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 AM MST FOR
MARICOPA COUNTY...
AT 1010 AM MST...RUNOFF FROM HEAVY RAIN IS CAUSING FLASH FLOODING
OVER NORTHERN PORTIONS OF METRO PHOENIX. FLOODED WASHES ARE MAKING
SOME ROADWAYS IMPASSABLE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NORTH PHOENIX...NORTH SCOTTSDALE...PARADISE VALLEY...NEW RIVER...
CAVE CREEK...CAREFREE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
WHEN ENCOUNTERING FLOODED ROADS...TURN AROUND...DON'T DROWN. MOST
FLOOD DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3388 11169 3376 11168 3351 11181 3357 11216
3380 11215
$$
AJ279
WGUS75 KPSR 051746
FFSPSR
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
1046 AM MST FRI AUG 5 2016
AZC013-051815-
/O.CON.KPSR.FF.W.0004.000000T0000Z-160805T1815Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MARICOPA AZ-
1046 AM MST FRI AUG 5 2016
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1115 AM MST FOR
MARICOPA COUNTY...
AT 1043 AM MST...RUNOFF FROM HEAVY RAIN CONTINUES TO CAUSE FLOODING
OVER NORTHERN PORTIONS OF METRO PHOENIX. FLOODED WASHES ARE MAKING
SOME ROADWAYS IMPASSABLE.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
NORTH PHOENIX...SCOTTSDALE...PARADISE VALLEY...NEW RIVER...
CAVE CREEK...CAREFREE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.
WHEN ENCOUNTERING FLOODED ROADS...TURN AROUND...DON'T DROWN. MOST
FLOOD DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3388 11169 3376 11168 3351 11181 3357 11216
3380 11215
$$
AJThe office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 5:11 PM MST | Areal Flood Advisory | PSR | La Paz | 3 hr |
| Aug 4, 5:36 PM MST | Areal Flood Advisory | PSR | Maricopa | 114 min |
| Aug 4, 7:24 PM MST | Special Weather Statement | PSR | Maricopa | 36 min |
| Aug 4, 9:47 PM MST | Areal Flood Advisory | PSR | La Paz | 3 hr |
| Aug 5, 8:55 AM MST | Areal Flood Advisory | PSR | Maricopa | 2 hr |
| Aug 5, 11:25 AM MST | Areal Flood Warning | PSR | Maricopa | 3 hr |
| Aug 5, 2:16 PM MST | Dust Storm Warning | PSR | 86 min | |
| Aug 5, 2:18 PM MST | Areal Flood Warning | PSR | Maricopa | 87 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.