Alert archive / Arizona / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 1, NWS Phoenix, AZ

June 17, 2000Gila County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Jun 17, 2000, 4:13 PM MST for Gila County, Arizona. It was in force for 32 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 17, 2000, 4:13 PM MST (23:13 UTC)
Expired
Jun 17, 2000, 4:45 PM MST
In force
32 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Gila County, AZ

The radar

The Flagstaff radar (KFSX), 93 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 181 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 2000-06-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1958 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 2000-06-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 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
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.

000 
WUUS55 KPSR 172315
SVRPHX
AZC007-180000-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED
NATIONAL WEATHER SERVICE PHOENIX AZ
413 PM MST SAT JUN 17 2000

THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN GILA COUNTY IN CENTRAL ARIZONA

* UNTIL 500 PM MST

* AT 405 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 1 MILE EAST OF SAN CARLOS... MOVING NORTHEAST
  10 MPH.

* THE SEVERE THUNDERSTORM WILL AFFECT THE EASTERN COMMUNITY OF SAN
  CARLOS.

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS!

HV

 
N

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Phoenix, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 17, 3:04 PM MST, 1 hour 9 minutes earlier.

Area forecast discussion, Jun 17, 3:04 PM MST, 1 hour 9 minutes before
AZZ020>028-CAZ030>033-180545-

SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PHOENIX AZ
304 PM MST SAT JUN 17 2000

.SYNOPSIS...
LOW PRESSURE HAS SETTLED IN OVER THE SOUTHWEST UNITED STATES...WHILE
MOISTURE-LADEN AIR FROM THE GULF OF CALIFORNIA HAS CONTINUED MOVING
NORTHWARD IN THE LOWER ATMOSPHERE AND SPREADING OUT ACROSS SOUTHEAST
CALIFORNIA AND SOUTHWEST ARIZONA. THIS HAS LED TO A FEW THUNDERSTORMS
OVER THE HIGHER TERRAIN OF SOUTH-CENTRAL ARIZONA THIS AFTERNOON...AND
THERE IS A SLIGHT CHANCE THEY MAY REDEVELOP AGAIN SUNDAY AFTERNOON.
TEMPERATURES WILL BE AROUND NORMAL THROUGH THURSDAY...AND STILL HOT
ENOUGH TO DRIVE SOME AFTERNOON BREEZINESS.

.DISCUSSION...
ISOLATED THUNDERSTORMS IN SOUTHERN GILA COUNTY THIS AFTERNOON...AND
THEY ARE EXPECTED TO CONTINUE INTO THE EARLY EVENING AT LEAST. SURGE
CONTINUED OVER THE REGION TODAY...WITH DEWPOINTS IN THE 50S TO LOW
70S ON THE DESERTS. KYUX VWP SHOWS WIND SELY FROM SFC TO AT LEAST 7K
FEET. SURFACE WIND AT BLYTHE HAS BECOME MORE SWLY THIS AFTERNOON...
BUT YUMA AND IMPERIAL REMAIN VERY MUCH SELY. THOUGHT THE ADVECTION OF
MOISTURE WAS WEAKENING EARLIER TODAY...BUT IT APPEARS IT IS ONGOING.
LOOK FOR FLOW TO BECOME MORE SWLY SUNDAY...BUT LATER IN THE DAY...AND
STILL LOOK FOR A SLIGHT CHANCE OF STORMS IN SRN GILA COUNTY...E OF
THE GLOBE AREA SUNDAY AFTERNOON. TEMPS DOWN A BIT MORE TODAY AND THEN
GENERALLY LEVEL IN THE EXTENDED PERIOD...AROUND NORMAL...WITH SOME
AFTERNOON AND EVENING BREEZINESS. APPEARS SURGE TO END BY SUN...WITH
DRIER AIR INTRUDING FROM THE W LATE SUN AND MON.  WILT

N

Nearby

Severe Thunderstorm Warnings in Arizona, 2000Every 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.