Alert archive / Arizona / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 13, NWS Tucson, AZ

July 14, 2004Graham County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 14, 2004, 4:13 PM MST for Graham County, Arizona. It was in force for 57 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 14, 2004, 4:13 PM MST (23:13 UTC)
Expired
Jul 14, 2004, 5:10 PM MST
In force
57 min
Issued by
NWS Tucson, AZ
Area
Counties, with a storm outline in the text

County Graham County, AZ

The radar

The Tucson radar (KEMX), 139 km from the middle of the area, began a volume at 23:13 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 12:00Z, 11.2 hours before the alert went out and 136 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 2004-07-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 982 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tuscon, AZ at 12:00Z on 2004-07-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -26 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
982 J/kg
Mixed-layer CIN
-33 J/kg
Mixed-layer LCL
946 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-26 m²/s²
0-3 km storm-relative helicity
156 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 
WUUS55 KTWC 142313
SVRTWC
AZC009-150010-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
410 PM MST WED JUL 14 2004

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL GRAHAM COUNTY IN ARIZONA
    THIS INCLUDES THE CITY OF SAFFORD

* UNTIL 510 PM MST

* AT 408 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 8 MILES NORTH OF SAFFORD...MOVING SOUTHWEST AT
  15 TO 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  THE TOWN OF PIMA AT 420 PM MST
  SAFFORD AT 430 PM MST

DAMAGING WINDS...HEAVY RAIN AND HAIL ARE LIKELY.

LAT...LON 3294 10955 3308 10974 3291 11021 3262 10965

$$
MEYER

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 13, 7:25 PM MSTFlash Flood WarningTWCPima, Pinal110 min
Jul 13, 9:23 PM MSTSevere Thunderstorm WarningTWCPima37 min
Jul 14, 1:03 PM MSTFlash Flood WarningTWCCochise57 min
Jul 14, 1:30 PM MSTFlash Flood WarningTWCCochise2 hr
Jul 14, 2:30 PM MSTSevere Thunderstorm WarningTWCGraham60 min
Jul 14, 3:06 PM MSTSevere Thunderstorm WarningTWCGraham, Greenlee54 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2004Every severe thunderstorm warning in 2004

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.