Alert archive / Arizona / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 1, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Feb 21, 1995, 4:11 PM MST for Pinal County, Arizona. It was in force for 49 min.
The area
The counties it named.
The facts
- Issued
- Feb 21, 1995, 4:11 PM MST (23:11 UTC)
- Expired
- Feb 21, 1995, 5:00 PM MST
- In force
- 49 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 23:15 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 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2205 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 12:21 PM MST, 3 hours 50 minutes before
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</html>Special weather statement, Feb 21, 12:33 PM MST, 3 hours 38 minutes before
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</html>Special weather statement, Feb 21, 1:09 PM MST, 3 hours 2 minutes before
AZZ007-008-212200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 109 PM MST TUE FEB 21 1995 ...SCATTERED THUNDERSTORMS DEVELOPING ALONG A LINE FROM PARKER TO GILA BEND AT 1 PM... A NORTHWEST-SOUTHEAST LINE OF THUNDERSTORMS WAS DEVELOPING IN WESTERN ARIZONA FROM PARKER TO GILA BEND. A FEW OF THESE STORMS WERE STRONG AND MOVING TO THE NORTHWEST AT NEARLY 30 MPH. A SECOND AREA OF THUNDERSTORMS WAS DEVELOPING NEAR TUCSON AT 1 PM. THE GREATEST THREAT WITH THESE STORMS ARE GUSTY WINDS. THUNDERSTORM WINDS COULD PEAK TO NEAR 50 MPH ALONG WITH DENSE BLOWING DUST ON THE DESERTS. THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGHOUT THE AFTERNOON AND EXTEND TO OTHER PARTS OF THE STATE. RESIDENTS AND MOTORISTS SHOULD MONITOR THE AREA FOR APPROACHING WEATHER AND PREPARE FOR GUSTY WINDS. VASQUEZ
Special weather statement, Feb 21, 1:20 PM MST, 2 hours 51 minutes before
AZZ007-008-212200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 109 PM MST TUE FEB 21 1995 ...SCATTERED THUNDERSTORMS DEVELOPING ALONG A LINE FROM PARKER TO GILA BEND AT 1 PM... A NORTHWEST-SOUTHEAST LINE OF THUNDERSTORMS WAS DEVELOPING IN WESTERN ARIZONA FROM PARKER TO GILA BEND. A FEW OF THESE STORMS WERE STRONG AND MOVING TO THE NORTHWEST AT NEARLY 30 MPH. A SECOND AREA OF THUNDERSTORMS WAS DEVELOPING NEAR TUCSON AT 1 PM. THE GREATEST THREAT WITH THESE STORMS ARE GUSTY WINDS. THUNDERSTORM WINDS COULD PEAK TO NEAR 50 MPH ALONG WITH DENSE BLOWING DUST ON THE DESERTS. THUNDERSTORMS WILL CONTINUE TO DEVELOP THROUGHOUT THE AFTERNOON AND EXTEND TO OTHER PARTS OF THE STATE. RESIDENTS AND MOTORISTS SHOULD MONITOR THE AREA FOR APPROACHING WEATHER AND PREPARE FOR GUSTY WINDS. VASQUEZ
Special weather statement, Feb 21, 3:00 PM MST, 1 hour 11 minutes before
AZZ008-009-220000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 300 PM MST TUE FEB 21 1995 ...STRONG THUNDERSTORMS DEVELOPING IN SOUTHEAST PINAL COUNTY BETWEEN FLORENCE AND ORACLE... AND IN WESTERN ARIZONA BETWEEN LAKE HAVASU AND BUCKEYE... STRONG THUNDERSTORMS CONTINUE TO DEVELOP OVER PORTIONS OF WESTERN AND SOUTHEAST ARIZONA. AT 245 PM WEATHER RADAR DETECTED NUMEROUS THUNDERSTORMS OVER THE CATALINA MOUNTAINS NEAR TUCSON EXTENDING NORTH TOWARD THE TOWN OF FLORENCE IN PINAL COUNTY. THESE STORMS WERE MOVING NORTH AT 25 MPH AND HAVE A HISTORY OF PRODUCING 1/2 INCH DIAMETER HAILSTONES...STRONG WINDS...AND HEAVY RAIN. TWO OF THE LARGEST STORMS AT 245 PM WERE LOCATED NEAR SAN MANUEL... AND 15 MILES NORTH OF ORACLE JUNCTION. ANOTHER AREA OF STRONG STORMS WAS LOCATED IN WESTERN ARIZONA BETWEEN THE TOWNS OF VICKSBURG AND INTERSTATE 10 NEAR TONOPAH. THESE STORMS WERE MOVING NORTHWEST AT 30 MPH. THUNDERSTORMS WILL CONTINUE TO DEVELOP THE REMAINDER OF THE AFTERNOON AND EVENING AND EXTEND TO OTHER AREAS OF THE STATE. RESIDENTS AND MOTORISTS SHOULD BE PREPARED FOR STRONG WINDS TO 50 MPH...BLOWING DUST...HAIL...AND HEAVY RAIN. VASQUEZ
Special weather statement, Feb 21, 3:10 PM MST, 1 hour 1 minute before
AZZ008-009-220000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX AZ 300 PM MST TUE FEB 21 1995 ...STRONG THUNDERSTORMS DEVELOPING IN SOUTHEAST PINAL COUNTY BETWEEN FLORENCE AND ORACLE... AND IN WESTERN ARIZONA BETWEEN LAKE HAVASU AND BUCKEYE... STRONG THUNDERSTORMS CONTINUE TO DEVELOP OVER PORTIONS OF WESTERN AND SOUTHEAST ARIZONA. AT 245 PM WEATHER RADAR DETECTED NUMEROUS THUNDERSTORMS OVER THE CATALINA MOUNTAINS NEAR TUCSON EXTENDING NORTH TOWARD THE TOWN OF FLORENCE IN PINAL COUNTY. THESE STORMS WERE MOVING NORTH AT 25 MPH AND HAVE A HISTORY OF PRODUCING 1/2 INCH DIAMETER HAILSTONES...STRONG WINDS...AND HEAVY RAIN. TWO OF THE LARGEST STORMS AT 245 PM WERE LOCATED NEAR SAN MANUEL... AND 15 MILES NORTH OF ORACLE JUNCTION. ANOTHER AREA OF STRONG STORMS WAS LOCATED IN WESTERN ARIZONA BETWEEN THE TOWNS OF VICKSBURG AND INTERSTATE 10 NEAR TONOPAH. THESE STORMS WERE MOVING NORTHWEST AT 30 MPH. THUNDERSTORMS WILL CONTINUE TO DEVELOP THE REMAINDER OF THE AFTERNOON AND EVENING AND EXTEND TO OTHER AREAS OF THE STATE. RESIDENTS AND MOTORISTS SHOULD BE PREPARED FOR STRONG WINDS TO 50 MPH...BLOWING DUST...HAIL...AND HEAVY RAIN. VASQUEZ
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 4:47 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 48 min |
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.