Alert archive / Arizona / Flash Flood Warnings in 2007

Flash Flood Warning 3, NWS Tucson, AZ

July 14, 2007Graham County, Greenlee County, Arizona

NWS Tucson, AZ issued this flash flood warning at Jul 14, 2007, 7:20 PM MST for Graham County, Greenlee County, Arizona. It was in force for 2 hr. 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 14, 2007, 7:20 PM MST (02:20 UTC)
Expired
Jul 14, 2007, 9:45 PM MST
In force
2 hr
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text
Flood severity
None

Counties Graham County, AZ, Greenlee County, AZ

The radar

The Tucson radar (KEMX), 140 km from the middle of the area, began a volume at 02:22 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 (KTUS), launched 00:00Z, 2.3 hours before the alert went out and 145 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 2007-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 114 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 2007-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939Sfc1 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
114 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
2132 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
98 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 150222
FFWTWC
AZC009-011-150415-
/X.NEW.KTWC.FF.W.0003.070715T0220Z-070715T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
720 PM MST SAT JUL 14 2007

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL GRAHAM COUNTY IN SOUTHEAST ARIZONA...
  THIS INCLUDES THE CITY OF SAFFORD...
  SOUTHERN GREENLEE COUNTY IN SOUTHEAST ARIZONA...

* UNTIL 915 PM MST

* AT 714 PM MST...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED RAINFALL 
  RATES EXCEEDING TWO INCHES PER HOUR...CONFIRMING NATIONAL WEATHER 
  SERVICE DOPPLER RADAR ESTIMATES OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
  CLIFTON...SAFFORD AND SWIFT TRAIL JUNCTION.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

LAT...LON 3254 10981 3254 10908 3312 10907 3291 10978

$$

WEATHER.GOV/TUCSON
SMR
1 follow-up statement
000 
WGUS55 KTWC 150409
FFWTWC
AZC009-011-150445-
/X.EXT.KTWC.FF.W.0003.000000T0000Z-070715T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
909 PM MST SAT JUL 14 2007

THE NATIONAL WEATHER SERVICE IN TUCSON HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  EAST CENTRAL GRAHAM COUNTY IN SOUTHEAST ARIZONA...
  THIS INCLUDES THE CITY OF SAFFORD...
  SOUTHERN GREENLEE COUNTY IN SOUTHEAST ARIZONA...

* UNTIL 945 PM MST

* AT 859 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  RAIN CONTINUING TO FALL OVER THE WARNED AREA. RADAR ESTIMATED 
  RAINFALL OF ONE TO ONE AND A HALF INCHES PER HOUR CONTINUES TO BE 
  ASSOCIATED WITH THESE STORMS. GIVEN THE AMOUNTS OF RAINFALL 
  ALREADY RECEIVED AND SATURATED STATE OF THE GROUND IN THE WARNED 
  AREA...THE FLASH FLOOD WARNING HAS BEEN EXTENDED.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
  CLIFTON...SAFFORD AND SWIFT TRAIL JUNCTION.

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.

LAT...LON 3254 10981 3254 10908 3312 10907 3291 10978

$$

WEATHER.GOV/TUCSON
SMR

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 6:29 PM MSTSevere Thunderstorm WarningTWCGraham, Greenlee31 min
Jul 14, 7:13 PM MSTSevere Thunderstorm WarningTWCGraham38 min
Jul 15, 12:36 PM MSTSevere Thunderstorm WarningTWCGreenlee39 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.