Alert archive / Arizona / Flash Flood Warnings in 2015
Flash Flood Warning 21, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Aug 7, 2015, 1:08 PM MST for Pima County, Arizona. It was in force for 97 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 7, 2015, 1:08 PM MST (20:08 UTC)
- Expired
- Aug 7, 2015, 2:45 PM MST
- In force
- 97 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pima County, AZ
The radar
The Tucson radar (KEMX), 72 km from the middle of the area, began a volume at 20:12 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 7, 1:35 PM MST | FLASH FLOOD | 6 Ese Marana, AZ | WATER FLOWING ACROSS LINDA VISTA BLVD WEST OF HARTMAN LANE |
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, 8.1 hours before the alert went out and 33 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
- 983 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 1639 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- -12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
042
WGUS55 KTWC 072008
FFWTWC
AZC019-072145-
/O.NEW.KTWC.FF.W.0021.150807T2008Z-150807T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
108 PM MST FRI AUG 7 2015
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN PIMA COUNTY IN SOUTHEASTERN ARIZONA...
* UNTIL 245 PM MST
* AT 107 PM MST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
A THUNDERSTORM PRODUCING HEAVY RAIN ACROSS THE JUST WEST OF ORO
VALLEY AND EAST OF MARANA. FLASH FLOODING IS EXPECTED TO BEGIN
SHORTLY. JUST OVER AN INCH OF RAIN HAS FALLEN IN ABOUT 45 MINUTES
WITH MORE RAIN EXPECTED.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
ORO VALLEY...MARANA...TORTOLITA...CASAS ADOBES AND DOVE MOUNTAIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES
AND STREAMS...URBAN AREAS...HIGHWAYS...STREETS AND UNDERPASSES AS
WELL AS OTHER DRAINAGE AREAS AND LOW LYING SPOTS.
&&
LAT...LON 3251 11097 3241 11096 3232 11104 3241 11113
3249 11118
$$
CERNIGLIA1 follow-up statement
410
WGUS75 KTWC 072117
FFSTWC
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
217 PM MST FRI AUG 7 2015
AZC019-072125-
/O.CAN.KTWC.FF.W.0021.000000T0000Z-150807T2145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIMA AZ-
217 PM MST FRI AUG 7 2015
...THE FLASH FLOOD WARNING FOR NORTHERN PIMA COUNTY IS CANCELLED...
THE HEAVY RAIN ENDED AND WATER SHOULD HAVE RECEDED ENOUGH TO NO
LONGER POSE A SIGNIFICANT AT THIS TIME. STAY ALERT FOR THE
POTENTIAL FOR FUTURE WARNING IN THE EVENT HEAVY RAIN RETURNS THIS
EVENING.
LAT...LON 3251 11097 3241 11096 3232 11104 3241 11113
3249 11118
$$
CERNIGLIAThe office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 11:05 AM MST | Severe Thunderstorm Warning | TWC | Pima, Pinal | 40 min |
| Aug 7, 11:16 AM MST | Flash Flood Warning | TWC | Pima, Pinal | 119 min |
| Aug 7, 11:21 AM MST | Severe Thunderstorm Warning | TWC | Graham | 24 min |
| Aug 7, 11:39 AM MST | Areal Flood Advisory | TWC | Graham | 111 min |
| Aug 7, 12:11 PM MST | Special Weather Statement | TWC | Graham | 49 min |
| Aug 7, 12:21 PM MST | Special Weather Statement | TWC | Pinal | 39 min |
| Aug 7, 12:31 PM MST | Special Weather Statement | TWC | 29 min | |
| Aug 7, 12:42 PM MST | Special Weather Statement | TWC | 48 min | |
| Aug 7, 12:43 PM MST | Areal Flood Advisory | TWC | Graham, Pinal | 3 hr |
| Aug 7, 12:48 PM MST | Severe Thunderstorm Warning | TWC | Pima | 27 min |
| Aug 7, 12:57 PM MST | Severe Thunderstorm Warning | TWC | Graham, Pinal | 33 min |
| Aug 7, 1:02 PM MST | Areal Flood Advisory | TWC | Graham | 3 hr |
| Aug 7, 1:22 PM MST | Flash Flood Warning | TWC | Pinal | 3 hr |
| Aug 7, 1:33 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 27 min |
| Aug 7, 1:36 PM MST | Flash Flood Warning | TWC | Graham | 3 hr |
| Aug 7, 1:36 PM MST | Special Weather Statement | TWC | Pinal | 39 min |
| Aug 7, 1:43 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 47 min |
| Aug 7, 1:55 PM MST | Special Weather Statement | TWC | 50 min | |
| Aug 7, 1:57 PM MST | Blowing Dust Advisory | TWC | Pinal | 2 hr |
| Aug 7, 2:05 PM MST | Areal Flood Advisory | TWC | Pima | 115 min |
| Aug 7, 2:40 PM MST | Flash Flood Warning | TWC | Pima, Pinal | 3 hr |
| Aug 7, 2:43 PM MST | Severe Thunderstorm Warning | TWC | Pima | 15 min |
| Aug 7, 3:53 PM MST | Flash Flood Warning | TWC | Pima, Pinal | 3 hr |
| Aug 7, 4:38 PM MST | Areal Flood Advisory | TWC | Pima, Pinal | 3 hr |
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.