Alert archive / Arizona / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 13, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Jul 11, 1995, 4:38 PM MST for Pinal County, Arizona. It was in force for 42 min.
The area
The counties it named.
The facts
- Issued
- Jul 11, 1995, 4:38 PM MST (23:38 UTC)
- Expired
- Jul 11, 1995, 5:20 PM MST
- In force
- 42 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 23:41 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, 11.6 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.
- Mixed-layer CAPE
- 16 J/kg
- Mixed-layer CIN
- -336 J/kg
- Mixed-layer LCL
- 2606 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 60 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHX 112338 RRA SVRPHX AZC021-120020- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 438 PM MST TUE JUL 11 1995 THE NATIONAL WEATHER SERVICE IN PHOENIX AZ HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 520 PM MST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN SOUTH-CENTRAL ARIZONA ...SOUTH CENTRAL PINAL COUNTY AT 435 PM MST...PHOENIX DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM ABOUT 25 MILES SOUTHEAST OF CASA GRANDE JUST EAST OF PICACHO PEAK. MOTORISTS ON INTERSTATE 10 BETWEEN CASA GRANDE AND PICACHO PEAK WILL BE AFFECTED BY THIS STORM. MOVEMENT WAS TO THE NORTHWEST 10 TO 15 MILES PER HOUR. SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 57 MPH, DESTRUCTIVE HAIL, DEADLY LIGHTNING, AND VERY HEAVY RAIN. WOJCIK
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, Jul 11, 3:25 PM MST, 1 hour 13 minutes before
AZZ004-007-008-122330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 325 PM MST TUE JUL 11 1995 ...THUNDERSTORMS DEVELOPING ACROSS PORTIONS OF SOUTH CENTRAL DESERTS AND CENTRAL BASINS OF ARIZONA... AT 310 PM...PHOENIX DOPPLER RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS IN CENTRAL AND NORTHERN YAVAPAI COUNTY EXTENDING FROM NORTH OF CHINO VALLEY TO AROUND PRESCOTT. MOVEMENT OF THESE SHOWERS AND THUNDERSTORMS WAS NORTH AT 10 TO 20 MILES PER HOUR. PERSONS IN THE CHINO VALLEY AND PRESCOTT AREAS MAY EXPERIENCE BRIEF HEAVY RAIN...STRONG GUSTY WINDS...AND POSSIBLY SMALL HAIL. OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED OVER PORTIONS OF THE SOUTH CENTRAL DESERTS IN SOUTHERN MARICOPA AND SOUTHEAST PINAL COUNTIES. THE STRONGEST STORMS WERE LOCATED 15 MILES SOUTHEAST OF GILA BEND AND WERE MOVING NORTHWEST AT ABOUT 20 MILES PER HOUR. THESE STORMS SHOULD REACH THE GILA BEND AREA WITHIN THE HOUR. MOTORISTS ON INTERSTATE 8 BETWEEN CASA GRANDE AND GILA BEND MAY EXPERIENCE STRONG GUSTY WINDS AND BLOWING DUST WHICH COULD REDUCE VISIBILITIES AT TIMES. WOJCIK
Special weather statement, Jul 11, 4:30 PM MST, 8 minutes before
AZZ004-007-008-120130- SPECIAL WEATHER STATEMENT...UPDATE NATIONAL WEATHER SERVICE PHOENIX AZ 430 PM MST TUE JUL 11 1995 ...SHOWERS AND THUNDERSTORMS CONTINUE OVER PORTIONS OF THE CENTRAL BASINS AND SOUTH CENTRAL DESERTS OF ARIZONA... AT 420 PM MST...PHOENIX DOPPLER RADAR CONTINUED TO SHOW AN AREA OF SHOWERS AND THUNDERSTORMS OVER CENTRAL AND NORTHERN YAVAPAI COUNTY FROM NORTH OF CHINO VALLEY TO SOUTH OF PRESCOTT. THESE STORMS CONTINUE TO MOVE OVER THE SAME AREA...AND HAVE A HISTORY OF PRODUCING LOCALLY HEAVY RAIN AND STRONG GUSTY WINDS. AT 355 PM MST...A SPOTTER IN CHINO VALLEY REPORTED A WIND GUST OF 36 MPH AND .51 INCHES OF RAIN SO FAR WITH ONE THESE STORMS. MOVEMENT OF THIS AREA OF SHOWERS AND STORMS WAS NORTH AT 10 MPH. OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED IN SOUTHWEST MARICOPA AND SOUTHERN PINAL COUNTIES. THE STRONGEST STORM WAS LOCATED ABOUT 25 MILES SOUTHEAST OF CASA GRANDE AND JUST EAST OF PICACHO PEAK. MOTORISTS ON INTERSTATE 10 BETWEEN PICACHO PEAK AND CASA GRANDE CAN EXPECT STRONG GUSTY WINDS WITH BLOWING DUST WHICH MAY REDUCE VISIBILITIES CAUSING HAZARDOUS DRIVING CONDITIONS. THIS THUDERSTORM HAS THE CAPABILITY OF PRODUCING SMALL HAIL AND HEAVY RAINFALL. MOVEMENT OF THIS STORM WAS NORTHWEST AT 10 TO 15 MPH. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS. WOJCIK
Special weather statement, Jul 11, 4:33 PM MST, 5 minutes before
AZZ004-007-008-120130- SPECIAL WEATHER STATEMENT...UPDATE NATIONAL WEATHER SERVICE PHOENIX AZ 430 PM MST TUE JUL 11 1995 ...SHOWERS AND THUNDERSTORMS CONTINUE OVER PORTIONS OF THE CENTRAL BASINS AND SOUTH CENTRAL DESERTS OF ARIZONA... AT 420 PM MST...PHOENIX DOPPLER RADAR CONTINUED TO SHOW AN AREA OF SHOWERS AND THUNDERSTORMS OVER CENTRAL AND NORTHERN YAVAPAI COUNTY FROM NORTH OF CHINO VALLEY TO SOUTH OF PRESCOTT. THESE STORMS CONTINUE TO MOVE OVER THE SAME AREA...AND HAVE A HISTORY OF PRODUCING LOCALLY HEAVY RAIN AND STRONG GUSTY WINDS. AT 355 PM MST...A SPOTTER IN CHINO VALLEY REPORTED A WIND GUST OF 36 MPH AND .51 INCHES OF RAIN SO FAR WITH ONE THESE STORMS. MOVEMENT OF THIS AREA OF SHOWERS AND STORMS WAS NORTH AT 10 MPH. OTHER SHOWERS AND THUNDERSTORMS WERE LOCATED IN SOUTHWEST MARICOPA AND SOUTHERN PINAL COUNTIES. THE STRONGEST STORM WAS LOCATED ABOUT 25 MILES SOUTHEAST OF CASA GRANDE AND JUST EAST OF PICACHO PEAK. MOTORISTS ON INTERSTATE 10 BETWEEN PICACHO PEAK AND CASA GRANDE CAN EXPECT STRONG GUSTY WINDS WITH BLOWING DUST WHICH MAY REDUCE VISIBILITIES CAUSING HAZARDOUS DRIVING CONDITIONS. THIS THUDERSTORM HAS THE CAPABILITY OF PRODUCING SMALL HAIL AND HEAVY RAINFALL. MOVEMENT OF THIS STORM WAS NORTHWEST AT 10 TO 15 MPH. STAY TUNED TO NOAA WEATHER RADIO OR LOCAL RADIO FOR LATER STATEMENTS OR POSSIBLE WARNINGS. WOJCIK
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.