Alert archive / Arizona / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 2, NWS Tucson, AZ

June 17, 2000Pima County, Arizona

NWS Tucson, AZ issued this severe thunderstorm warning at Jun 17, 2000, 1:49 PM MST for Pima County, Arizona. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jun 17, 2000, 1:49 PM MST (20:49 UTC)
Expired: Jun 17, 2000, 2:30 PM MST
In force: 41 min
Issued by: NWS Tucson, AZ
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Pima County, AZ

The radar

The Tucson radar (KEMX), 15 km from the middle of the area, began a volume at 20:50 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, 8.8 hours before the alert went out and 26 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: 1958 J/kg
Mixed-layer CIN: -127 J/kg
Mixed-layer LCL: 1650 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: -6 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.

466 
WUUS55 KTWC 172050
SVRTUS
AZC019-172130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
149 PM MST SAT JUN 17 2000

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL PIMA COUNTY IN ARIZONA
   INCLUDING VAIL

* UNTIL 230 PM MST

* AT 140 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  A SEVERE THUNDERSTORM OVER EAST CENTRAL PIMA COUNTY NEAR VAIL 
  MOVING SLOWLY NORTHWEST AND WILL MOVE INTO FAR SOUTHEAST SECTIONS OF 
  THE TUCSON METRO AREA.

HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN TUCSON.

LAT...LON 3197 11089 3174 11073 3198 11053 3214 11080

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 17, 12:19 PM MST	Severe Thunderstorm Warning	TWC	Cochise	26 min
Jun 17, 2:32 PM MST	Severe Thunderstorm Warning	TWC	Pima	58 min
Jun 17, 2:35 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	40 min
Jun 17, 3:24 PM MST	Severe Thunderstorm Warning	TWC	Cochise	36 min
Jun 17, 3:52 PM MST	Severe Thunderstorm Warning	TWC	Pima	53 min
Jun 17, 4:54 PM MST	Severe Thunderstorm Warning	TWC	Pima, Pinal	36 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2000 Every severe thunderstorm warning in 2000

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.