Alert archive / Arizona / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 3, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Feb 21, 1995, 5:23 PM MST for Pima County, Arizona. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Feb 21, 1995, 5:23 PM MST (00:23 UTC)
- Expired
- Feb 21, 1995, 6:15 PM MST
- In force
- 52 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pima County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 00:00Z, 0.4 hours before the alert went out and 84 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
- 189 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 1198 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- -35 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUS 220025 RRA SVRTUS AZC019-220115- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 523 PM MST TUE FEB 21 1995 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ARIZONA ...EASTERN PIMA COUNTY AT 520 PM PHOENIX DOPPLER WEATHER RADAR INDICATED TWO POSSIBLE SEVERE THUNDERSTORMS OVER EASTERN PIMA COUNTY MOVING TO THE NORTH..NORTHWEST AT 30 TO 35 MPH. ONE STORM WAS 10 MILES NORTHWEST OF TUCSON...AND THE SECOND STORM WAS 25 MILES NORTHEAST OF TUCSON. CITIES IN THE PATH OF THESE STORMS INCLUDE THE FAR WEST SIDE OF THE TUCSON METRO AREA TOWARD RILLITO AND MARANA... AS WELL AS MUCH OF THE CATALINA MOUNTAINS. LOCALIZED FLOODING IS ALSO POSSIBLE FROM THESE STORMS. STAY AWAY FROM LOW LYING AND DRAINAGE AREAS. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOU<LD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. DRB/SRT
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, Feb 21, 2:36 PM MST, 2 hours 47 minutes before
AZZ009-010-212245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 236 PM MST TUE FEB 21 1995 ...STRONG THUNDERSTORM JUST NORTH OF MT LEMMON... AT 235 PM RADAR SHOWED A STRONG THUNDERSTORM JUST NORTHEAST OF MT LEMMON...WHICH IS ABOUT 25 MILES NORTH OF DOWNTOWN TUCSON. THIS STORM WAS MOVING TO THE NORTH..NORTHWEST AT ABOUT 25 MPH. IT WILL AFFECT THE TOWNS OF CATALINA AND ORACLE BEFORE 330 PM. THIS STORM IS CAPABLE OF PRODUCING ONE HALF INCH HAIL...WIND GUSTS TO 50 MPH...FREQUENT LIGHTNING...AND TORRENTIAL RAINFALL. SEEK SHELTER AS THIS STORM APPROACHES. SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE ACROSS SOUTHERN ARIZONA FOR THE REMAINDER OF THE AFTERNOON. BE PREPARED TO SEEK SAFE SHELTER SHOULD A STORM APPROACH YOU. DRB
Special weather statement, Feb 21, 2:37 PM MST, 2 hours 46 minutes before
AZZ009-010-212245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 236 PM MST TUE FEB 21 1995 ...STRONG THUNDERSTORM JUST NORTH OF MT LEMMON... AT 235 PM RADAR SHOWED A STRONG THUNDERSTORM JUST NORTHEAST OF MT LEMMON...WHICH IS ABOUT 25 MILES NORTH OF DOWNTOWN TUCSON. THIS STORM WAS MOVING TO THE NORTH..NORTHWEST AT ABOUT 25 MPH. IT WILL AFFECT THE TOWNS OF CATALINA AND ORACLE BEFORE 330 PM. THIS STORM IS CAPABLE OF PRODUCING ONE HALF INCH HAIL...WIND GUSTS TO 50 MPH...FREQUENT LIGHTNING...AND TORRENTIAL RAINFALL. SEEK SHELTER AS THIS STORM APPROACHES. SCATTERED THUNDERSTORMS ARE EXPECTED TO CONTINUE ACROSS SOUTHERN ARIZONA FOR THE REMAINDER OF THE AFTERNOONj. BE PREPARED TO SEEK SAFE SHELTER SHOULD A STORM APPROACH YOU. DRB
Special weather statement, Feb 21, 3:11 PM MST, 2 hours 12 minutes before
AZZ009-010-212315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 311 PM MST TUE FEB 21 1995 ...STRONG THUNDERSTORMS CONTINUE OVER NORTHEAST PIMA COUNTY... AT 310 PM SCATTERED THUNDERSTORMS CONTINUED ACROSS SOUTHEAST ARIZONA. THE STRONGEST STORMS WERE LOCATED OVER NORTHEAST PIMA COUNTY... ESPECIALLY FROM THE TUCSON AREA NORTH AND EASTWARD THROUGH THE CATALINA AND RINCON MOUNTAINS. MOVEMENT OF THESE STORMS WAS TO THE NORTH.. NORTHWEST AT 25 MPH. ATMOSPHERIC CONDITIONS ARE SUCH THAT THESE STORM ARE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH...HAIL TO ONE HALF INCH...TORRENTIAL RAINFALL...AND FREQUENT LIGHTNING. LOOK FOR SCATTERED THUNDERSTORMS TO CONTINUE OVER THE AREA FOR THE REMAINDER OF THE AFTERNOON. SEEK APPROPRIATE SHELTER SHOULD A STORM APPROACH YOUR AREA. LOCALIZED VERY HEAVY RAINFALL COULD LEAD TO RAPID RUNOFF AND PONDING OF WATER IN LOW AREAS. NEVER ATTEMPT TO CROSS A FLOODED WASH OR ROADWAY. DRB
Special weather statement, Feb 21, 3:12 PM MST, 2 hours 11 minutes before
AZZ009-010-212315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 311 PM MST TUE FEB 21 1995 ...STRONG THUNDERSTORMS CONTINUE OVER NORTHEAST PIMA COUNTY... AT 310 PM SCATTERED THUNDERSTORMS CONTINUED ACROSS SOUTHEAST ARIZONA. THE STRONGEST STORMS WERE LOCATED OVER NORTHEAST PIMA COUNTY... ESPECIALLY FROM THE TUCSON AREA NORTH AND EASTWARD THROUGH THE CATALINA AND RINCON MOUNTAINS. MOVEMENT OF THESE STORMS WAS TO THE NORTH.. NORTHWEST AT 25 MPH. ATMOSPHERIC CONDITIONS ARE SUCH THAT THESE STORM ARE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH...HAIL TO ONE HALF INCH...TORRENTIAL RAINFALL...AND FREQUENT LIGHTNING. LOOK FOR SCATTERED THUNDERSTORMS TO CONTINUE OVER THE AREA FOR THE REMAINDER OF THE AFTERNOON. SEEK APPROPRIATE SHELTER SHOULD A STORM APPROACH YOUR AREA. LOCALIZED VERY HEAVY RAINFALL COULD LEAD TO RAPID RUNOFF AND PONDING OF WATER IN LOW AREAS. NEVER ATTEMPT TO CROSS A FLOODED WASH OR ROADWAY. DRB
Special weather statement, Feb 21, 3:26 PM MST, 1 hour 57 minutes before
AZZ009-212330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 326 PM MST TUE FEB 21 1995 ...HEAVY RAINFALL MOVING THROUGH DOWNTOWN TUCSON... AT 325 PM A STRONG THUNDERSTORM WAS LOCATED OVER DOWNTOWN TUCSON MOVING TO THE NORTH..NORTHWEST AT ABOUT 25 MPH. THIS STORM WAS PRODUCING A PERIOD OF BRIEF BUT TORRENTIAL RAINFALL AND COULD LEAD TO LOCALIZED STREET FLOODING AS IT MOVES THROUGH THE URBAN AREAS OF TUCSON. THIS STORM WILL MOVE THROUGH DOWNTOWN TUCSON BY 345 PM...AND THEN TOWARD THE TOWNS OF MARANA AND ORO VALLEY BY 415 PM. AREA ROADWAYS WILL LIKELY EXPERIENCE A PERIOD OF RAPID RUNOFF WHICH COULD LEAD TO LOCALIZED PONDING OF WATER AT INTERSECTIONS AND UNDERPASSES. MOTORISTS SHOULD USE EXTRA CAUTION AND EXPECT SLICK ROADS AND POSSIBLE PONDING OF WATER ON THE ROADWAYS. THESE STORMS ARE ALSO CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH...AS WELL AS PEA TO MARBLE SIZED HAIL. SEEK SAFE SHELTER AS THESE STORMS MOVE THROUGH THE AREA. DRB
Special weather statement, Feb 21, 3:27 PM MST, 1 hour 56 minutes before
AZZ009-212330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 326 PM MST TUE FEB 21 1995 ...HEAVY RAINFALL MOVING THROUGH DOWNTOWN TUCSON... AT 325 PM A STRONG THUNDERSTORM WAS LOCATED OVER DOWNTOWN TUCSON MOVING TO THE NORTH..NORTHWEST AT ABOUT 25 MPH. THIS STORM WAS PRODUCING A PERIOD OF BRIEF BUT TORRENTIAL RAINFALL AND COULD LEAD TO LOCALIZED STREET FLOODING AS IT MOVES THROUGH THE URBAN AREAS OF TUCSON. THIS STORM WILL MOVE THROUGH DOWNTOWN TUCSON BY 345 PM...AND THEN TOWARD THE TOWNS OF MARANA AND ORO VALLEY BY 415 PM. AREA ROADWAYS WILL LIKELY EXPERIENCE A PERIOD OF RAPID RUNOFF WHICH COULD LEAD TO LOCALIZED PONDING OF WATER AT INTERSECTIONS AND UNDERPASSES. MOTORISTS SHOULD USE EXTRA CAUTION AND EXPECT SLICK ROADS AND POSSIBLE PONDING OF WATER ON THE ROADWAYS. THESE STORMS ARE ALSO CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH...AS WELL AS PEA TO MARBLE SIZED HAIL. SEEK SAFE SHELTER AS THESE STORMS MOVE THROUGH THE AREA. DRB
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.