Alert archive / Arizona / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 39, NWS Tucson, AZ

July 26, 2003Cochise County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jul 26, 2003, 4:43 PM MST for Cochise County, Arizona. It was in force for 47 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 26, 2003, 4:43 PM MST (23:43 UTC)
Expired: Jul 26, 2003, 5:30 PM MST
In force: 47 min
Issued by: NWS Tucson, AZ
Area: Counties, with a storm outline in the text

County Cochise County, AZ

The radar

The Tucson radar (KEMX), 62 km from the middle of the area, began a volume at 23:45 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jul 26, 3:05 PM MST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Tuscon, AZ (KTUS), launched 12:00Z, 11.7 hours before the alert went out and 78 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 344 J/kg
Mixed-layer CIN: -291 J/kg
Mixed-layer LCL: 1707 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: -41 m²/s²
0-3 km storm-relative helicity: 19 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.

191 
WUUS55 KTWC 262343
SVRTWC
AZC003-270030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
443 PM MST SAT JUL 26 2003

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN COCHISE COUNTY IN ARIZONA

* UNTIL 530 PM MST

* AT 430 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM ALONG INTERSTATE 10...8 MILES SOUTHWEST OF 
  WILLCOX...MOVING NORTHWEST AT 30 MPH.

VERY HEAVY RAINFALL...DAMAGING WIND AND LARGE HAIL IS LIKELY WITH 
THIS STORM. MOTORISTS TRAVELING ALONG INTERSTATE 10 SHOULD BE 
PREPARED FOR A QUICK REDUCTION TO VISIBILITY DUE TO VERY HEAVY 
RAINFALL...AS WELL AS STRONG CROSS WINDS OVER 55 MPH.

THIS WARNING REPLACES THE PREVIOUS SEVERE THUNDERSTORM WARNING FOR
THIS AREA.

LAT...LON 3203 10983 3244 10982 3244 11045 3202 11044

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 6:36 PM MST	Severe Thunderstorm Warning	TWC	Cochise	24 min
Jul 25, 6:51 PM MST	Severe Thunderstorm Warning	TWC	Cochise	24 min
Jul 25, 6:53 PM MST	Flash Flood Warning	TWC	Cochise	7 min
Jul 25, 7:55 PM MST	Severe Thunderstorm Warning	TWC	Graham	65 min
Jul 25, 8:22 PM MST	Severe Thunderstorm Warning	TWC	Graham	38 min
Jul 25, 8:44 PM MST	Flash Flood Warning	TWC	Pima, Pinal	1 min
Jul 25, 8:59 PM MST	Flash Flood Warning	TWC	Cochise, Graham	31 min
Jul 25, 9:57 PM MST	Severe Thunderstorm Warning	TWC	Graham	48 min
Jul 26, 2:36 PM MST	Severe Thunderstorm Warning	TWC	Cochise	39 min
Jul 26, 2:54 PM MST	Flash Flood Warning	TWC	Cochise	21 min
Jul 26, 4:12 PM MST	Severe Thunderstorm Warning	TWC	Cochise	33 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2003 Every severe thunderstorm warning in 2003

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.