Alert archive / Arizona / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 50, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Sep 18, 1995, 3:34 PM MST for Pima County, Arizona. It was in force for 26 min.
The area
The counties it named.
The facts
- Issued
- Sep 18, 1995, 3:34 PM MST (22:34 UTC)
- Expired
- Sep 18, 1995, 4:00 PM MST
- In force
- 26 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pima County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 10.6 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
- 501 J/kg
- Mixed-layer CIN
- -134 J/kg
- Mixed-layer LCL
- 1809 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 6 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 KTUS 182234 SVRTUS AZC019-182300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 334 PM MST MON SEP 18 1995 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ARIZONA ...WESTERN PIMA COUNTY DOPPLER RADAR INDICATES A POSSIBLE SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF AJO. THIS STORM WILL BE MOVING THROUGH AJO BY 325PM. THIS STORM COULD PRODUCE LARGE HAIL AND WIND GUSTS IN EXCESS OF 60 MPH ALONG WITH BRIEF HEAVY RAIN.
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, Sep 18, 11:32 AM MST, 4 hours 2 minutes before
AZZ009-010-007-181930- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 1132 AM MST MON SEP 18 1995 ...THUNDERSTORMS DEVELOPING OVER PIMA COUNTY... AT 1130 AM MST...TUCSON DOPPLER WEATHER RADAR SHOWED WIDELY SCATTERED THUNDERSTORM WERE DEVELOPING RADIPLY OVER PIMA COUNTY. THE STRONGEST STORM WAS LOCATED OVER NORTHCENTRAL PIMA COUNTY BETWEEN AJO AND VENTANA. THIS STORM WAS MOVING TO THE SOUTHEAST AT 15 MPH AND WILL MOVE NEAR THE TOWN OF HICKIWAN BY NOON. EXPECT HEAVY RAIN...HAIL... GUSTY WINDS TO 40 MPH...AND FREQUENT LIGHTNING FROM THIS STORM. ANOTHER STRONG STORM WAS LOCATED 5 MILES EAST OF GREATERVILLE... WHICH IS 15 MILES SOUTHEAST OF GREEN VALLEY. THIS STORM HAD JUST DEVELOPED AND NO MOVEMENT WAS YET AVAILABLE. ...ACTIVE THUNDERSTORM DAY EXPECTED ACROSS SOUTHEAST ARIZONA... SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP ACROSS ALL OF SOUTHEAST ARIZONA THIS AFTERNOON AND EVENING. ATMOSPHERIC CONDITIONS ARE SUCH THAT STRONG...PERHAPS SEVERE...THUNDERSTORMS ARE POSSIBLE AROUND SOUTHEAST ARIZONA THIS AFTERNOON. VERY HEAVY RAIN IS ALSO LIKELY TO ACCOMPANY THESE STORMS. PERSONS PLANNING OUTDOOR ACTIVITY SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SHELTER QUICKLY SHOULD A STORM APPROACH. DRB
Special weather statement, Sep 18, 12:50 PM MST, 2 hours 44 minutes before
AZZ009-182045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 1250 PM MST MON SEP 18 1995 ...STRONG THUNDERSTROM WEST OF GREEN VALLEY... AT 1245 PM...TUCSON DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 5 MILES WEST OF GREEN VALLEY. MOVEMENT OF THIS STORM IS NORTHEAST AROUND 10 MPH. THIS STORM IS CAPABLE OF PRODUCING STRONG GUSTY WINDS...BRIEF HEAVY RAIN...SMALL HAIL AND DEADLY LIGHTNING. THIS STORM WILL MOVE THROUGH THE GREEN VALLEY AREA DURING THE NEXT HOUR. SO RESIDENTS OF GREEN VALLEY AND MOTORISTS ON INTERSTATE 19 SHOULD BE AWARE OF CHANGING WEATHER CONDITIONS. JRG
Special weather statement, Sep 18, 12:50 PM MST, 2 hours 44 minutes before
AZZ009-182045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 1250 PM MST MON SEP 18 1995 ...STRONG THUNDERSTROM WEST OF GREEN VALLEY... AT 1245 PM...TUCSON DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 5 MILES WEST OF GREEN VALLEY. MOVEMENT OF THIS STORM IS NORTHEAST AROUND 10 MPH. THIS STORM IS CAPABLE OF PRODUCING STRONG GUSTY WINDS...BRIEF HEAVY RAIN...SMALL HAIL AND DEADLY LIGHTNING. THIS STORM WILL MOVE THROUGH THE GREEN VALLEY AREA DURING THE NEXT HOUR. SO RESIDENTS OF GREEN VALLEY AND MOTORISTS ON INTERSTATE 19 SHOULD BE AWARE OF CHANGING WEATHER CONDITIONS. JRG
Special weather statement, Sep 18, 1:45 PM MST, 1 hour 49 minutes before
AZZ007-009-010-182145- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE TUCSON ARIZONA 145 PM MST MON SEP 18 1995 ...THUNDERSTORM ACTIVITY INCREASING OVER SOUTHERN ARIZONA... AT 143 PM...TUCSON DOPPLER RADAR SHOWED INCREASING THUNDERSTORM ACTIVITY OVER SOUTHERN ARIZONA. THE STRONGEST STORMS WERE OVER CENTRAL AND EASTERN PIMA COUNTY...AND ANOTHER STRONG STORM WAS JUST WEST OF DOUGLAS IN COCHISE COUNTY. STORM MOVEMENT IS GENERALLY TO THE NORTHEAST AT ABOUT 10 MPH. BE PREPARED FOR BRIEF HEAVY RAIN...GUSTY WINDS...SMALL HAIL...AND FREQUENT LIGHTNING. ARB
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 11:44 AM MST | Severe Thunderstorm Warning | TWC | Pima | 46 min |
| Sep 18, 2:45 PM MST | Severe Thunderstorm Warning | TWC | Pima | 30 min |
| Sep 18, 4:14 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 16 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.