Alert archive / Arizona / Flash Flood Warnings in 2016

Flash Flood Warning 26, NWS Tucson, AZ

August 13, 2016Santa Cruz County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 13, 2016, 5:39 PM MST for Santa Cruz County, Arizona. It was in force for 111 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
Aug 13, 2016, 5:39 PM MST (00:39 UTC)
Expired
Aug 13, 2016, 7:30 PM MST
In force
111 min
Issued by
NWS Tucson, AZ
Area
Storm-based polygon
Flood severity
None

County Santa Cruz County, AZ

The nearest sounding before it

Tuscon, AZ (KDMA), launched 00:00Z, 0.7 hours before the alert went out and 62 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.

Skew-T log-pSkew-T log-p diagram, Tuscon, AZ at 00:00Z on 2016-08-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1438 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 00:00Z on 2016-08-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1438 J/kg
Mixed-layer CIN
-20 J/kg
Mixed-layer LCL
2534 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
10 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

985 
WGUS55 KTWC 140039
FFWTWC
AZC023-140230-
/O.NEW.KTWC.FF.W.0026.160814T0039Z-160814T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
539 PM MST SAT AUG 13 2016

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN SANTA CRUZ COUNTY IN SOUTHEASTERN ARIZONA...

* UNTIL 730 PM MST

* AT 537 PM MST...DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
  THAT UP TO TWO INCHES OF RAIN MAY HAVE FALLEN IN AN AROUND THE
  SONOITA AREA SINCE ABOUT 445 PM.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  SONOITA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3169 11061 3161 11060 3161 11070 3169 11068

$$
2 follow-up statements
808 
WGUS75 KTWC 140132
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
632 PM MST SAT AUG 13 2016

AZC023-140230-
/O.CON.KTWC.FF.W.0026.000000T0000Z-160814T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA CRUZ-
632 PM MST SAT AUG 13 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 730 PM MST FOR
NORTHEASTERN SANTA CRUZ COUNTY...

AT 626 PM MST...DOPPLER RADAR INDICATED THAT HEAVY RAIN HAD 
DIMINISHED IN AND AROUND THE SONOITA AREA SINCE 6 PM. HOWEVER
THERE ARE THUNDERSTORMS NORTH OF THE AREA IN FAR EASTERN PIMA
COUNTY THAT MAY MOVE SOUTH ACROSS THE WARNING AREA IN THE NEXT HOUR.

THE HEAVY RAIN OF ONE TO TWO INCHES BEFORE 6 PM MAY BE PRODUCING
FLASH FLOODING OF NORMALLY DRY AND LOW WATER CROSSINGS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNED AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY.

&&

LAT...LON 3169 11061 3161 11060 3161 11070 3169 11068

$$
981 
WGUS75 KTWC 140226
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
726 PM MST SAT AUG 13 2016

AZC023-140233-
/O.EXP.KTWC.FF.W.0026.000000T0000Z-160814T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA CRUZ-
726 PM MST SAT AUG 13 2016

...THE FLASH FLOOD WARNING FOR NORTHEASTERN SANTA CRUZ COUNTY WILL
EXPIRE AT 730 PM MST...

WATER LEVELS FROM EARLIER HEAVY RAINFALL ARE LIKELY RECEDING AND
FLASH FLOODING IS NO LONGER A CONCERN. SCATTERED SHOWERS AND
THUNDERSTORMS WITH LIGHT TO MODERATE RAIN...WILL CONTINUE TO MOVE
SOUTH ACROSS NORTHEAST SANTA CRUZ COUNTY THROUGH 9 PM. PLEASE
CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.

LAT...LON 3169 11061 3161 11060 3161 11070 3169 11068

$$

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 13, 7:59 PM MSTAreal Flood AdvisoryTWCPima3 hr
Aug 13, 8:14 PM MSTSpecial Weather StatementTWC46 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; the sounding from the Mesonet's radiosonde archive.