Alert archive / Arizona / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 7, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Mar 11, 1995, 5:40 PM MST for Maricopa County, Arizona. It was in force for 40 min.
The area
The counties it named.
The facts
- Issued
- Mar 11, 1995, 5:40 PM MST (00:40 UTC)
- Expired
- Mar 11, 1995, 6:20 PM MST
- In force
- 40 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Maricopa County, AZ
The radar
The Phoenix radar (KIWA), 77 km from the middle of the area, began a volume at 00:44 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 00:00Z, 0.7 hours before the alert went out and 198 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
- 21 J/kg
- Mixed-layer CIN
- -36 J/kg
- Mixed-layer LCL
- 1157 m above ground
- 0-6 km bulk shear
- 78 kt
- 0-1 km storm-relative helicity
- 78 m²/s²
- 0-3 km storm-relative helicity
- 138 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 120041 RRA
SVRPHX
AZC013-120120-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PHOENIX AZ
540 PM MST SAT MAR 11 1995
THE NATIONAL WEATHER SERVICE IN PHOENIX AZ HAS ISSUED A SEVERE
THUNDERSTORM WARNING EFFECTIVE UNTIL 620 PM MST FOR PEOPLE IN THE
FOLLOWING LOCATIONS...
IN SOUTH-CENTRAL ARIZONA
...NORTHERN MARICOPA COUNTY
INCLUDING CAVE CREEK AND CAREFREE...
AT 535 PM PHOENIX DOPPLER RADAR DETECTED A SEVERE THUNDERSTORM 6 MILES
WEST-SOUTHWEST OF CAVE CREEK. THE STORM IS MOVING TO THE EAST-NORTHEAST
AT 25 TO 30 MILES PER HOUR.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS IN EXCESS OF 57 MPH...HAIL
...DEADLY LIGHTNING...AND VERY HEAVY RAIN. SEVERE THUNDERSTORMS CAN AND
SOMETIMES DO PRODUCE TORNADOES...BE ON THE LOOKOUT FOR THREATENING
WEATHER AND MOVE TO A SMALL INTERIOR ROOM IF THREATENING WEATHER
DEVELOPS OR APPROACHES YOUR LOCATION.
GREENWhat 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, Mar 11, 1:58 PM MST, 3 hours 42 minutes before
AZZ007-008-004-112230- SPECIAL WEATHER STATEMENT...UPDATE NATIONAL WEATHER SERVICE PHOENIX AZ 155 PM MST SAT MAR 11 1995 ...SCATTERED SHOWERS AND A FEW THUNDERSTORMS CONTINUED ACROSS PORTIONS OF ARIZONA THIS AFTERNOON... AT 145 PM MST...DOPPLER RADAR SHOWED SCATTERED SHOWERS AND A FEW THUNDERSTORMS STRETCHING FROM THE NORTHWEST CORNER OF THE STATE SOUTHEAST INTO THE CENTRAL BASINS AND SOUTHEAST DESERTS. A FEW SHOWERS WERE ALSO LOCATED ALONG THE COLORADO RIVER FROM NEAR LAKE HAVASU CITY TO AROUND BLYTHE CALIFORNIA. MOST OF THE SHOWERS AND THUNDERSTORMS WERE MOVING NORTHEAST AT 15 TO 25 MILES AN HOUR. STRONG GUSTY WINDS OF 40 MPH FROM A FEW SHOWERS AROUND QUARTZSITE WERE REPORTED BY A WEATHER SPOTTER AROUND 130 PM THIS AFTERNOON. RAINFALL AMOUNTS SO FAR HAVE BEEN IN THE LIGHT TO MODERATE RANGE...BUT ADDITIONAL RAINFALL IS EXPECTED THROUGHOUT THE AFTERNOON AND TONIGHT. REMEMBER...A FLASH FLOOD AND FLOOD WATCH REMAINS IN EFFECT FOR PORTIONS OF CENTRAL ARIZONA TODAY AND TONIGHT. A FLASH FLOOD WATCH IS ALSO IN EFFECT FOR PORTIONS OF EAST-CENTRAL AND SOUTHEAST ARIZONA FOR TONIGHT AND SUNDAY.
Special weather statement, Mar 11, 3:38 PM MST, 2 hours 2 minutes before
AZZ008-004-120030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 338 PM MST SAT MAR 11 1995 ...SHOWERS AND A FEW THUNDERSTORMS MOVING THROUGH NORTHEAST PINAL COUNTY... AT 330 PM...PHOENIX DOPPLER RADAR DETECTED A LINE OF SHOWERS AND A FEW THUNDERSTORMS EXTENDING FROM 10 MILES NORTH OF SUPERIOR TO JUST NORTH OF CASA GRANDE. THE STRONGEST STORM WAS LOCATED NEAR FLORENCE JUNCTION. THIS LINE IS MOVING TO THE EAST-NORTHEAST AT 25 MILES PER HOUR. MOTORISTS TRAVELING ALONG U.S. 60 BETWEEN FLORENCE JUNCTION AND SUPERIOR...AND ALONG U.S. 89 BETWEEN FLORENCE JUNCTION AND FLORENCE...MAY EXPERIENCE BRIEF HEAVY RAIN AND GUSTY WINDS BETWEEN 340 AND 430 PM. RESIDENTS OF SUPERIOR AND FLORENCE...AND VISITORS TO BOYCE THOMPSON ARBORETUM...ARE IN THE PATH OF THESE SHOWERS AND THUNDERSTORMS. GREEN
Special weather statement, Mar 11, 3:41 PM MST, 1 hour 59 minutes before
AZZ008-004-120030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 338 PM MST SAT MAR 11 1995 ...SHOWERS AND A FEW THUNDERSTORMS MOVING THROUGH NORTHEAST PINAL COUNTY... AT 330 PM...PHOENIX DOPPLER RADAR DETECTED A LINE OF SHOWERS AND A FEW THUNDERSTORMS EXTENDING FROM 10 MILES NORTH OF SUPERIOR TO JUST NORTH OF CASA GRANDE. THE STRONGEST STORM WAS LOCATED NEAR FLORENCE JUNCTION. THIS LINE IS MOVING TO THE EAST-NORTHEAST AT 25 MILES PER HOUR. MOTORISTS TRAVELING ALONG U.S. 60 BETWEEN FLORENCE JUNCTION AND SUPERIOR...AND ALONG U.S. 89 BETWEEN FLORENCE JUNCTION AND FLORENCE...MAY EXPERIENCE BRIEF HEAVY RAIN AND GUSTY WINDS BETWEEN 340 AND 430 PM. RESIDENTS OF SUPERIOR ANdD FLORENCE...AND VISITORS TO BOYCE THOMPSON ARBORETUM...ARE IN THE PATH OF THESE SHOWERS AND THUNDERSTORMS. GREEN
Special weather statement, Mar 11, 4:05 PM MST, 1 hour 35 minutes before
AZZ008-120100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 405 PM MST SAT MAR 11 1995 ...STRONG THUNDERSTORMS SCATTERED OVER NORTHWEST MARICOPA COUNTY AND EXTREME SOUTHERN YAVAPAI COUNTIES... AT 4 PM PHOENIX DOPPLER RADAR DETECTED RAPIDLY DEVELOPING THUNDERSTORMS SCATTERED OVER NORTHWEST MARICOPA AND EXTREME SOUTHERN YAVAPAI COUNTIES. THE STRONGEST STORM WAS LOCATED 8 MILES NORTHWEST OF TONOPAH AND WAS MOVING TO THE EAST-NORTHEAST AT 35 MILES PER HOUR. THIS STORM SHOULD TRACK MAINLY OVER OPEN COUNTRY UNTIL AROUND 430 PM...AND IS CAPABLE OF PRODUCING BRIEF HEAVY RAIN...GUSTY WINDS...AND SMALL HAIL. OTHER STRONG THUNDERSTORMS WERE LOCATED NEAR WICKENBURG AND JUST EAST OF WITTMAN. GREEN
Special weather statement, Mar 11, 4:55 PM MST, 45 minutes before
AZZ008-120030- SPECIAL WEATHER STATEMENT...UPDATE NATIONAL WEATHER SERVICE PHOENIX AZ 455 PM MST SAT MAR 11 1995 ...THUNDERSTORMS SCATTERED OVER NORTH-CENTRAL MARICOPA AND EXTREME SOUTHERN YAVAPAI COUNTIES... AT 450 PM PHOENIX DOPPLER RADAR DETECTED SEVERAL STRONG THUNDERSTORMS OVER NORTHERN MARICOPA COUNTY. STRONGEST STORM WERE NEAR WITTMAN AND IN THE LAKE PLEASANT-NEW RIVER AREA. OTHER SHOWERS WERE DEVELOPING RAPIDLY OVER NORTHERN PORTIONS OF THE GREATER PHOENIX METROPOLITAN AREA. STORMS WERE MOVING TO THE EAST-NORTHEAST AT 25 TO 30 MILES PER HOUR. THESE STORMS HAVE PRODUCED BRIEF HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS. LOCALLY HEAVY RAINFALL...WITH ONE-HOUR AMOUNTS IN EXCESS OF ONE- HALF INCH...HAVE BEEN DETECTED BY RADAR IN A NARROW WEST-EAST BAND EXTENDING FROM JUST NORTH OF WITTMAN TO NEAR LAKE PLEASANT AS SEVERAL SHOWERS TRACKED OVER THE SAME AREA. A RAINGAUGE JUST SOUTHWEST OF WITTMAN MEASURED ABOUT ONE-QUARTER OF AN INCH BETWEEN 410 AND 440 PM. A SPOTTER IN THE NEW RIVER AREA REPORTED OVER FOUR-TENTHS OF AN INCH OF RAIN SINCE 4 PM. OVER TWO-THIRDS OF AN INCH OF RAIN AND SMALL HAIL FELL AT CORDES JUNCTION AS A STORM PASSED THROUGH THE AREA SINCE 330 PM. PERSONS TRAVELING ON STATE ROUTE 74 AND INTERSTATE 17 IN FAR NORTH MARICOPA AND EXTREME SOUTHERN YAVAPAI COUNTIES MAY ENCOUNTER WATER PONDING ON OR FLOWING ACROSS THE ROAD BETWEEN 445 AND 6 PM...AS WELL AS BRIEF HEAVY RAIN...GUSTY WINDS...POSSIBLE SMALL HAIL...AND LIGHTNING. GREEN
Special weather statement, Mar 11, 5:00 PM MST, 40 minutes before
AZZ008-120030- SPECIAL WEATHER STATEMENT...UPDATE NATIONAL WEATHER SERVICE PHOENIX AZ 455 PM MST SAT MAR 11 1995 ...THUNDERSTORMS SCATTERED OVER NORTH-CENTRAL MARICOPA AND EXTREME SOUTHERN YAVAPAI COUNTIES... AT 450 PM PHOENIX DOPPLER RADAR DETECTED SEVERAL STRONG THUNDERSTORMS OVER NORTHERN MARICOPA COUNTY. STRONGEST STORM WERE NEAR WITTMAN AND IN THE LAKE PLEASANT-NEW RIVER AREA. OTHER SHOWERS WERE DEVELOPING RAPIDLY OVER NORTHERN PORTIONS OF THE GREATER PHOENIX METROPOLITAN AREA. STORMS WERE MOVING TO THE EAST-NORTHEAST AT 25 TO 30 MILES PER HOUR. THESE STORMS HAVE PRODUCED BRIEF HEAVY RAIN...SMALL HAIL...AND GUSTY WINDS. LOCALLY HEAVY RAINFALL...WITH ONE-HOUR AMOUNTS IN EXCESS OF ONE- HALF INCH...HAVE BEEN DETECTED BY RADAR IN A NARROW WEST-EAST BAND EXTENDING FROM JUST NORTH OF WITTMAN TO NEAR LAKE PLEASANT AS SEVERAL SHOWERS TRACKED OVER THE SAME AREA. A RAINGAUGE JUST SOUTHWEST OF WITTMAN MEASURED ABOUT ONE-QUARTER OF AN INCH BETWEEN 410 AND 440 PM. A SPOTTER IN THE NEW RIVER AREA REPORTED OVER FOUR-TENTHS OF AN INCH OF RAIN SINCE 4 PM. OVER TWO-THIRDS OF AN INCH OF RAIN AND SMALL HAIL FELL AT CORDES JUNCTION AS A STORM PASSED THROUGH THE AREA SINCE 330 PM. PERSONS TRAVELING ON STATE ROUTE 74 AND INTERSTATE 17 IN FAR NORTH MARICOPA AND EXTREME SOUTHERN YAVAPAI COUNTIES MAY ENCOUNTER WATER PONDING ON OR FLOWING ACROSS THE ROAD BETWEEN 445 AND 6 PM...AS WELL AS BRIEF HEAVY RAIN...GUSTY WINDS...POSSIBBLE SMALL HAIL...AND LIGHTNING. 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.