Alert archive / Arizona / Flash Flood Warnings in 2015
Flash Flood Warning 9, NWS Tucson, AZ
NWS Tucson, AZ issued this flash flood warning at Jul 16, 2015, 7:17 PM MST for Pima County, Arizona. It was in force for 118 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 16, 2015, 7:17 PM MST (02:17 UTC)
- Expired
- Jul 16, 2015, 9:15 PM MST
- In force
- 118 min
- Issued by
- NWS Tucson, AZ
- Area
- Storm-based polygon
- Flood severity
- None
County Pima County, AZ
The radar
The Phoenix radar (KIWA), 119 km from the middle of the area, began a volume at 02:21 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.
The nearest sounding before it
Tuscon, AZ (KDMA), launched 00:00Z, 2.3 hours before the alert went out and 102 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
- 256 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 3209 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
546
WGUS55 KTWC 170217
FFWTWC
AZC019-170415-
/O.NEW.KTWC.FF.W.0009.150717T0217Z-150717T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
717 PM MST THU JUL 16 2015
THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTH CENTRAL PIMA COUNTY IN SOUTHEASTERN ARIZONA...
* UNTIL 915 PM MST
* AT 714 PM MST...DOPPLER RADAR INDICATED AN AREA OF STRONG
THUNDERSTORMS PRODUCING HEAVY RAIN OVER CENTRAL PORTIONS OF THE
TOHONO O'ODHAM NATION NORTHWEST AND NORTH OF SELLS. THE STORMS
WERE NEARLY STATIONARY. UP TO TWO INCHES OF RAIN HAVE ALREADY
FALLEN IN SOME LOCATIONS AROUND COVERED WELLS. FLASH FLOODING IS
EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SANTA ROSA...COVERED WELLS...MOUNTAIN VILLAGE...AK CHIN AND SIL
NAGGIA.
THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...QUIJOTOA WASH...
KO VAYA WASH...PISINIMO WASH...GU ACHI WASH...SAN SIMON WASH...SIKUL
HIMATK WASH...SAN LUIS WASH...SIL NAKYA WASH...VAMORI WASH...HALI
MURK WASH AND SANTA ROSA WASH.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF WASHES
AND STREAMS...ROADS...AS WELL AS OTHER DRAINAGE AREAS AND LOW LYING
SPOTS.
&&
LAT...LON 3244 11181 3222 11175 3196 11222 3219 11231
$$
MEYER2 follow-up statements
725 WGUS75 KTWC 170310 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 810 PM MST THU JUL 16 2015 AZC019-170415- /O.CON.KTWC.FF.W.0009.000000T0000Z-150717T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ- 810 PM MST THU JUL 16 2015 ...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 915 PM MST FOR NORTH CENTRAL PIMA COUNTY... AT 801 PM MST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED THUNDERSTORMS PRODUCING HEAVY RAIN WERE DIMINISHING IN INTENSITY OVER CENTRAL AREAS OF THE TOHONO O'ODHAM NATION NORTH OF SELLS. ESTIMATED RAINFALL AMOUNTS IN EXCESS OF 2 INCHES HAVE BEEN NOTED WITH ISOLATED AREAS NEAR 3 INCHES AROUND MOUNTAIN VILLAGE AS WELL AS JUST EAST OF SANTA ROSA. SOME LOCATIONS THAT MAY EXPERIENCE FLOODING INCLUDE... SANTA ROSA...COVERED WELLS...MOUNTAIN VILLAGE...AK CHIN AND SIL NAKYA. THIS INCLUDES THE FOLLOWING STREAMS AND DRAINAGES...QUIJOTOA WASH... KO VAYA WASH...PISINIMO WASH...GU ACHI WASH...SAN SIMON WASH...SIKUL HIMATK WASH...SAN LUIS WASH...SIL NAKYA WASH...VAMORI WASH...HALI MURK WASH AND SANTA ROSA WASH. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING. && LAT...LON 3244 11181 3222 11175 3196 11222 3219 11231 $$ MEYER
731 WGUS75 KTWC 170422 FFSTWC FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE TUCSON AZ 922 PM MST THU JUL 16 2015 AZC019-170430- /O.EXP.KTWC.FF.W.0009.000000T0000Z-150717T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ PIMA AZ- 922 PM MST THU JUL 16 2015 ...THE FLASH FLOOD WARNING FOR NORTH CENTRAL PIMA COUNTY HAS EXPIRED... RAINFALL RATES HAVE DECREASED...AND THE IMMEDIATE THREAT OF FLASH FLOODING HAS DIMINISHED. HOWEVER...SOME AREAS WILL CONTINUE TO EXPERIENCE FLOODING OVERNIGHT...SO A SMALL STREAM FLOOD ADVISORY REMAINS IN EFFECT INTO THE EARLY MORNING HOURS. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES. LAT...LON 3244 11181 3222 11175 3196 11222 3219 11231 $$ MEYER
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 16, 5:02 PM MST | Areal Flood Advisory | TWC | Pima | 118 min |
| Jul 16, 5:48 PM MST | Severe Thunderstorm Warning | TWC | Pima | 27 min |
| Jul 16, 6:04 PM MST | Areal Flood Advisory | TWC | Cochise | 116 min |
| Jul 16, 6:07 PM MST | Areal Flood Advisory | TWC | Pima | 113 min |
| Jul 16, 6:20 PM MST | Areal Flood Advisory | TWC | Pima | 3 hr |
| Jul 16, 6:57 PM MST | Special Weather Statement | TWC | Pima | 48 min |
| Jul 16, 9:18 PM MST | Areal Flood Advisory | TWC | Pima | 4 hr |
| Jul 17, 3:50 PM MST | Areal Flood Advisory | TWC | Pima | 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.