Alert archive / Arizona / Flash Flood Warnings in 2013
Flash Flood Warning 21, NWS Phoenix, AZ
NWS Phoenix, AZ issued this flash flood warning at Aug 26, 2013, 6:10 PM MST for Pinal County, Arizona. It was in force for 2 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
- Aug 26, 2013, 6:10 PM MST (01:10 UTC)
- Expired
- Aug 26, 2013, 8:15 PM MST
- In force
- 2 hr
- Issued by
- NWS Phoenix, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pinal County, AZ
The radar
The Phoenix radar (KIWA), 30 km from the middle of the area, began a volume at 01:12 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 26, 6:15 PM MST | FLASH FLOOD | Sacaton, AZ | DELAYED REPORT FROM MONDAY...RAPIDLY FLOWING WATER OVER STREETS WEST OF SACATON. ROAD WAS IMPASSABLE FOR MORE THAN 30 MINUTES |
| Aug 26, 6:20 PM MST | FLASH FLOOD | 1 Ese Casa Grande, AZ | DELAYED REPORT FROM MONDAY...WATER RAPIDLY FLOWING DOWN THE STREET AND NUMEROUS BACKYARDS. |
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, 1.2 hours before the alert went out and 45 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
- 183 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 2211 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 53 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
497 WGUS55 KPSR 270110 FFWPSR AZC021-270315- /O.NEW.KPSR.FF.W.0021.130827T0110Z-130827T0315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 610 PM MST MON AUG 26 2013 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL PINAL COUNTY IN SOUTH CENTRAL ARIZONA... THIS INCLUDES CASA GRANDE... * UNTIL 815 PM MST * AT 603 PM MST...NATIONAL WEATHER SERVICE METEOROLOGISTS INTENSE RAINFALL ENOUGH TO PRODUCE FLOOD AND OR FLASH FLOODING NEAR SACATON...BAPCHULE...AND AROUND PORTIONS OF NORTH CASA GRANDE. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SAN TAN MOUNTAIN PARK...BAPCHULE AND OLBERG PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS THAT PEOPLE ALONG THE BANKS OF WASHES AND CREEKS SHOULD MOVE TO HIGHER GROUND IMMEDIATELY. NORMALLY DRY WASHES AND STREAMS WILL SUDDENLY HAVE RUNNING WATER AND MAKE UNBRIDGED CROSSINGS IMPASSABLE. STREETS...UNDERPASSES...AND LOW SPOTS WILL BECOME INUNDATED MAKING DRIVING HAZARDOUS IN THE WARNED AREA. && LAT...LON 3316 11199 3319 11159 3289 11150 3283 11195 $$ HV
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 26, 5:01 PM MST | Blowing Dust Advisory | PSR | 119 min | |
| Aug 26, 5:10 PM MST | Areal Flood Advisory | PSR | Gila, Maricopa | 110 min |
| Aug 26, 5:12 PM MST | Dust Storm Warning | PSR | 2 hr | |
| Aug 26, 5:21 PM MST | Special Weather Statement | PSR | Pinal | 39 min |
| Aug 26, 5:26 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 19 min |
| Aug 26, 5:47 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 58 min |
| Aug 26, 5:54 PM MST | Areal Flood Advisory | PSR | Maricopa, Pinal | 111 min |
| Aug 26, 6:21 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 24 min |
| Aug 26, 6:35 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 25 min |
| Aug 26, 6:36 PM MST | Flash Flood Warning | PSR | Maricopa | 114 min |
| Aug 26, 6:55 PM MST | Areal Flood Advisory | PSR | Maricopa, Pinal | 110 min |
| Aug 26, 7:08 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 37 min |
| Aug 26, 7:31 PM MST | Areal Flood Advisory | PSR | Maricopa | 119 min |
| Aug 26, 8:26 PM MST | Areal Flood Advisory | PSR | Maricopa | 109 min |
| Aug 26, 9:11 PM MST | Severe Thunderstorm Warning | PSR | La Paz, Maricopa | 34 min |
| Aug 26, 9:16 PM MST | Areal Flood Advisory | PSR | La Paz, Maricopa | 119 min |
| Aug 26, 10:45 PM MST | Areal Flood Advisory | PSR | Maricopa | 2 hr |
| Aug 27, 1:59 PM MST | Special Weather Statement | PSR | 46 min | |
| Aug 27, 2:14 PM MST | Areal Flood Advisory | PSR | Maricopa | 2 hr |
| Aug 27, 2:17 PM MST | Special Weather Statement | PSR | Pinal | 43 min |
| Aug 27, 2:50 PM MST | Special Weather Statement | PSR | 40 min | |
| Aug 27, 2:58 PM MST | Special Weather Statement | PSR | Pinal | 47 min |
| Aug 27, 4:18 PM MST | Severe Thunderstorm Warning | PSR | Pinal | 57 min |
Nearby
Flash Flood Warnings in Arizona, 2013Every flash flood warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.