Alert archive / Arizona / Flash Flood Warnings in 2007

Flash Flood Warning 53, NWS Tucson, AZ

August 24, 2007Santa Cruz County, Arizona

NWS Tucson, AZ issued this flash flood warning at Aug 24, 2007, 3:08 PM MST for Santa Cruz 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 24, 2007, 3:08 PM MST (22:08 UTC)
Expired
Aug 24, 2007, 4:45 PM MST
In force
97 min
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text
Flood severity
None

County Santa Cruz County, AZ

The radar

The Tucson radar (KEMX), 62 km from the middle of the area, began a volume at 22:11 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

TimeReportWhereRemark
Aug 24, 4:15 PM MSTFLASH FLOODNogales, AZPART OF DOWNTOWN NOGALES FLOODED

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, 10.1 hours before the alert went out and 80 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 12:00Z on 2007-08-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 835 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 12:00Z on 2007-08-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 16 square meters per square second.193958Sfc1 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
835 J/kg
Mixed-layer CIN
-219 J/kg
Mixed-layer LCL
2057 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
16 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS55 KTWC 242211
FFWTWC
AZC023-242345-
/X.NEW.KTWC.FF.W.0053.070824T2208Z-070824T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
308 PM MST FRI AUG 24 2007

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  WESTERN SANTA CRUZ COUNTY IN SOUTHEAST ARIZONA...
  THIS INCLUDES THE CITY OF NOGALES...

* UNTIL 445 PM MST

* AT 303 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED 
  NUMEROUS THUNDERSTORMS PRODUCING HEAVY RAINFALL ACROSS MUCH OF 
  SANTA CRUZ COUNTY. THE HEAVIEST RAINFALL WAS IN AN AREA BOUNDED BY 
  TUBAC...NOGALES...TO PATAGONIA LAKE. MOVEMENT WAS SOUTH AT 10 MPH. 
  AT 303 PM MST...A TRAINED WEATHER SPOTTER REPORTED 1.4 INCHES OF 
  RAIN HAD FALLEN IN NOGALES SINCE 215 PM MST. ALSO...SEVERAL 
  STREETS HAD WATER FLOWING OVER THE CURBS...WITH WATER FLOWING IN 
  TRIBUTARIES.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO TUBAC

ADDITIONAL RAINFALL AMOUNTS OF ONE HALF OF AN INCH UP TO 1.50 INCHES 
ARE EXPECTED IN THE WARNED AREA.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

THIS FLASH FLOOD WARNING UPGRADES AND REPLACES THE URBAN AND SMALL
STREAM FLOOD ADVISORY FOR THIS AREA.

LAT...LON 3136 11112 3134 11104 3135 11097 3134 11088
      3134 11077 3161 11082 3160 11097 3164 11110
      3157 11114 3153 11115 3149 11120 3141 11117

$$

WEATHER.GOV/TUCSON
1 follow-up statement
000 
WGUS75 KTWC 242257
FFSTWC

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE TUCSON AZ
354 PM MST FRI AUG 24 2007

AZC023-242345-
/X.CON.KTWC.FF.W.0053.000000T0000Z-070824T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SANTA CRUZ AZ-
354 PM MST FRI AUG 24 2007

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 445 PM MST FOR
WESTERN SANTA CRUZ COUNTY...

AT 349 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE SCATTERED TO NUMEROUS THUNDERSTORMS PRODUCING MODERATE TO 
HEAVY RAINFALL ACROSS WESTERN SANTA CRUZ COUNTY...INCLUDING THE CITY 
OF NOGALES...AS WELL AS ALONG INTERSTATE 19 TO TUBAC. THE HEAVIEST 
RAINFALL WAS IN THE VICINITY OF RUBY AND EXTENDED SOUTHWEST ACROSS 
THE INTERNATIONAL BORDER. MOVEMENT OF THESE THUNDERSTORMS WAS TO THE 
WEST AT AROUND 5 MPH.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL 
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

NEVER DRIVE CARS...TRUCKS OR SPORT UTILITY VEHICLES THROUGH FLOODED
AREAS. THE WATER MAY BE TO DEEP TO ALLOW FOR SAFE PASSAGE.

LAT...LON 3136 11112 3134 11104 3135 11097 3134 11088
      3134 11077 3161 11082 3160 11097 3164 11110
      3157 11114 3153 11115 3149 11120 3141 11117

$$

WEATHER.GOV/TUCSON

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 23, 6:34 PM MSTAreal Flood AdvisoryTWCPima, Pinal86 min
Aug 23, 7:03 PM MSTSevere Thunderstorm WarningTWCGraham27 min
Aug 23, 7:45 PM MSTAreal Flood AdvisoryTWCGraham60 min
Aug 24, 1:16 PM MSTSevere Thunderstorm WarningTWCPima44 min
Aug 24, 1:59 PM MSTSevere Thunderstorm WarningTWCPima46 min
Aug 24, 2:03 PM MSTAreal Flood AdvisoryTWCSanta Cruz87 min
Aug 24, 2:43 PM MSTSevere Thunderstorm WarningTWCPima, Pinal47 min
Aug 24, 3:10 PM MSTFlash Flood WarningTWCPima2 hr
Aug 24, 3:16 PM MSTAreal Flood AdvisoryTWCPima119 min
Aug 24, 3:21 PM MSTSevere Thunderstorm WarningTWCPima47 min
Aug 24, 4:34 PM MSTSevere Thunderstorm WarningTWCPima41 min

Nearby

Flash Flood Warnings in Arizona, 2007Every flash flood warning in 2007

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.