Alert archive / Arizona / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 49, NWS Phoenix, AZ

August 19, 1995Pinal County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 19, 1995, 4:25 PM MST for Pinal County, Arizona. It was in force for 30 min.

The area

The counties it named.

The facts

Issued
Aug 19, 1995, 4:25 PM MST (23:25 UTC)
Expired
Aug 19, 1995, 4:55 PM MST
In force
30 min
Issued by
NWS Phoenix, AZ
Area
Whole counties

County Pinal County, AZ

The radar

The Phoenix radar (KIWA), 52 km from the middle of the area, began a volume at 23:24 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, 11.4 hours before the alert went out and 92 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 1995-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 386 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 1995-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 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
386 J/kg
Mixed-layer CIN
-69 J/kg
Mixed-layer LCL
1263 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
27 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 
TTAA00 KPHX 192324
SVRPHX
AZC021-192355-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
425 PM MST SAT AUG 19 1995

THE NATIONAL WEATHER SERVICE IN PHOENIX AZ HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 455 PM MST FOR PEOPLE IN THE
FOLLOWING LOCATIONS...

IN SOUTH-CENTRAL ARIZONA

  ...EXTREME NORTHERN PINAL COUNTY
     INCLUDING SUPERIOR AND THE IRON MOUNTAINS...

AT 420 PM PHOENIX DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM IN THE
SUPERIOR AREA.  THIS STORM WAS MOVING TO THE WEST-NORTHWEST AT 15
MILES PER HOUR.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 57 MPH,
DESTRUCTIVE HAIL, DEADLY LIGHTNING, AND VERY HEAVY RAIN.

BRLECKENRIDGE

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.

In the hours before

Special weather statement, Aug 19, 1:14 PM MST, 3 hours 11 minutes before
AZZ004-006-010-192200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PHOENIX AZ
112 PM MST SAT AUG 19 1995

...STRONG THUNDERSTORMS IN EASTERN GRAHAM COUNTY...

AT 110 PM PHOENIX DOPPLER RADAR DETECTED RAPIDLY DEVELOPING
THUNDERSTORMS OVER MUCH OF EASTERN ARIZONA.  THE STRONGEST STORM WAS
10 MILES EAST-NORTHEAST OF SAFFORD IN EXTREME EASTERN GRAHAM COUNTY.
INDIVIDUAL STORMS WERE MOVING TOWARD THE NORTHWEST AT 15 MILES PER
HOUR. ALTHOUGH THE STRONGEST STORMS ARE CURRENTLY OVER MAINLY OPEN
COUNTRY...NEW STORMS WILL DEVELOP AND AFFECT MUCH OF GRAHAM COUNTY
BETWEEN 115 AND 330 PM.  CITIES ALONG U.S. ROUTE 70...INCLUDING
SAFFORD... THATCHER...PIMA...AND SOLOMON...SHOULD EXPECT
THUNDERSTORMS THIS AFTERNOON.  THESE STORMS HAVE HAD A HISTORY OF
PRODUCING FREQUENT LIGHTNING...AND WILL PRODUCING VERY STRONG GUSTY
WINDS...LOCALLY HEAVY RAIN...AND SMALL HAIL.

GREEN
Special weather statement, Aug 19, 2:30 PM MST, 1 hour 55 minutes before
AZZ004-008-009-010-192300-

SPECIAL WEATHER STATEMENT...UPDATE
NATIONAL WEATHER SERVICE PHOENIX AZ
230 PM MST SAT AUG 19 1995

...STRONG THUNDERSTORMS CONTINUE TO DEVELOP OVER PORTIONS OF EASTERN
ARIZONA...

AT 220 PM PHOENIX DOPPLER RADAR DETECTED NUMEROUS THUNDERSTORMS OVER
EASTERN ARIZONA.  STRONGEST STORMS WERE OVER EXTREME EAST PINAL AND
WESTERN GRAHAM COUNTIES...BUT ANOTHER STRONG STORM WAS 5 MILES
SOUTHEAST OF BONITA IN SOUTHERN GRAHAM COUNTY.  INDIVIDUAL
THUNDERSTORMS WERE MOVING TO THE NORTHWEST AT 15 TO 20 MILES PER
HOUR.

BOATERS ON SAN CARLOS LAKE...MOTORISTS ON ARIZONA ROUTE 77 BETWEEN
MAMMOTH AND GLOBE AND ON U.S. ROUTE 70 BETWEEN BYLAS AND GLOBE...AND
PERSONS IN BONITA AND FORT GRANT SHOULD EXPECT STRONG GUSTY
WINDS...BRIEF HEAVY RAIN...AND FREQUENT LIGHTNING BETWEEN 230 AND 330
PM.

GREEN
Special weather statement, Aug 19, 2:31 PM MST, 1 hour 54 minutes before
AZZ004-008-009-010-192300-

SPECIAL WEATHER STATEMENT...UPDATE
NATIONAL WEATHER SERVICE PHOENIX AZ
230 PM MST SAT AUG 19 1995

...STRONG THUNDERSTORMS CONTINUE TO DEVELOP OVER PORTIONS OF EASTERN
ARIZONA...

AT 220 PM PHOENIX DOPPLER RADAR DETECTED NUMEROUS THUNDERSTORMS OVER
EASTERN ARIZONA.  STRONGEST STORMS WERE OVER EXTREME EAST PINAL AND
WESTERN GRAHAM COUNTIES...BUT ANOTHER STRONG STORM WAS 5 MILES
SOUTHEAST OF BONITA IN SOUTHERN GRAHAM COUNTY.  INDIVIDUAL
THUNDERSTORMS WERE MOVING TO THE NORTHWEST AT 15 TO 20 MILES PER
HOUR.

BOATERS ON SAN CARLOS LAKE...MOTORISTS ON ARIZONA ROUTE 77 BETWEEN
MAMMOTH AND GLOBE AND ON U.S. ROUTE 70 BETWEEN BYLAS AND GLOBE...AND
PERSONS IN BONITA AND FORT GRANT SHOULD EXPECT STRONG GUSTY
WINDS...BRIEF HEAVY RAIN...AND FREQUENT LIGHTNING BETWEEN 230 AND 330
PM.

GREEN
Special weather statement, Aug 19, 3:42 PM MST, 43 minutes before
AZZ004-008-009-010-192345-

SPECIAL WEATHER STATEMENT...UPDATE
NATIONAL WEATHER SERVICE PHOENIX AZ
345 PM MST SAT AUG 19 1995

...STRONG THUNDERSTORMS CONTINUE OVER MUCH OF EASTERN ARIZONA...

AT 340 PM PHOENIX DOPPLER RADAR DETECTED NUMEROUS STRONG
THUNDERSTORMS OVER PORTIONS OF EASTERN ARIZONA.  MOST STORMS WERE
AFFECTING EASTERN PINAL...WESTERN GRAHAM...AND EXTREME SOUTHERN GILA
COUNTIES.  STRONGEST STORMS WERE IN A LINE EXTENDING FROM 10 MILES
WEST OF SUPERIOR TO 10 MILES WEST OF WINKLEMAN TO JUST EAST OF ORACLE
JUNCTION.  OTHER STRONG STORMS WERE IN THE GLOBE-MIAMI AREA.
INDIVIDUAL STORMS WERE MOVING TO THE NORTH-NORTHWEST AT 10 TO 15
MILES PER HOUR.

LOCALLY HEAVY RAINFALL HAS BEEN PRODUCED BY SEVERAL STORMS BETWEEN
230 AND 330 PM.  ACCORDING TO DOPPLER RADAR...ONE STORM PRODUCED UP
TO 2 INCHES OF RAIN OVER THE HAYES MOUNTAINS NORTHWEST OF COOLIDGE
DAM IN EXTREME SOUTHEAST GILA COUNTY...AND ANOTHER STORM PRODUCED
NEARLY 2 INCHES OF RAIN IN A SMALL AREA OF THE TORTILLA MOUNTAINS
ABOUT 10 MILES SOUTHWEST OF WINKELMAN.

THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS PINAL...GILA...AND
GRAHAM COUNTIES FOR THE REMAINDER OF THIS AFTERNOON.  INDIVIDUAL
STORMS ARE CAPABLE OF PRODUCING LOCALLY HEAVY RAINFALL...STRONG GUSTY
WINDS...AND FREQUENT LIGHTNING.

BRECKENRIDGE/GREEN
Special weather statement, Aug 19, 3:45 PM MST, 40 minutes before
AZZ004-008-009-010-192345-

SPECIAL WEATHER STATEMENT...UPDATE
NATIONAL WEATHER SERVICE PHOENIX AZ
345 PM MST SAT AUG 19 1995

...STRONG THUNDERSTORMS CONTINUE OVER MUCH OF EASTERN ARIZONA...

AT 340 PM PHOENIX DOPPLER RADAR DETECTED NUMEROUS STRONG
THUNDERSTORMS OVER PORTIONS OF EASTERN ARIZONA.  MOST STORMS WERE
AFFECTING EASTERN PINAL...WESTERN GRAHAM...AND EXTREME SOUTHERN GILA
COUNTIES.  STRONGEST STORMS WERE IN A LINE EXTENDING FROM 10 MILES
WEST OF SUPERIOR TO 10 MILES WEST OF WINKLEMAN TO JUST EAST OF ORACLE
JUNCTION.  OTHER STRONG STORMS WERE IN THE GLOBE-MIAMI AREA.
INDIVIDUAL STORMS WERE MOVING TO THE NORTH-NORTHWEST AT 10 TO 15
MILES PER HOUR.

LOCALLY HEAVY RAINFALL HAS BEEN PRODUCED BY SEVERAL STORMS BETWEEN
230 AND 330 PM.  ACCORDING TO DOPPLER RADAR...ONE STORM PRODUCED UP
TO 2 INCHES OF RAIN OVER THE HAYES MOUNTAINS NORTHWEST OF COOLIDGE
DAM IN EXTREME SOUTHEAST GILA COUNTY...AND ANOTHER STORM PRODUCED
NEARLY 2 INCHES OF RAIN IN A SMALL AREA OF THE TORTILLA MOUNTAINS
ABOUT 10 MILES SOUTHWEST OF WINKELMAN.

THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS PINAL...GILA...AND
GRAHAM COUNTIES FOR THE REMAINDER OF THIS AFTERNOON.  INDIVIDUAL
STORMS ARE CAPABLE OF PRODUCING LOCALLY HEAVY RAINFALL...STRONG GUSTY
WINDS...AND FREQUENT LIGHTNING.

BRECKENRIDGE/GREEN

Nearby

Severe Thunderstorm Warnings in Arizona, 1995Every severe thunderstorm warning in 1995

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.