Alert archive / Arizona / Severe Thunderstorm Warnings in 1995
Severe Thunderstorm Warning 48, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Sep 18, 1995, 11:44 AM MST for Pima County, Arizona. It was in force for 46 min.
The area
The counties it named.
The facts
- Issued
- Sep 18, 1995, 11:44 AM MST (18:44 UTC)
- Expired
- Sep 18, 1995, 12:30 PM MST
- In force
- 46 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pima County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 6.7 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 181844 RRA SVRTUS AZC019-181930- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 1144 AM MST MON SEP 18 1995 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1230 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN SOUTH CENTRAL ARIZONA ...NORTH CENTRAL PIMA COUNTY AT 1142 AM...TUCSON DOPPLER RADAR SHOWED A SEVERE THUNDERSTORM OVER NORTHCENTRAL PIMA COUNTY ABOUT 10 MILES NORTHWEST OF HICKIWAN... OR 35 TO 40 MILES EAST OF AJO. THIS STORM WAS MOVING SOUTHEAST AT 15 MPH. THIS STORM IS MOVING TO THE SOUTHEAST TOWARD HICKIWAN AND RESERVATION ROUTE 34. IT SHOULD MOVE INTO HICKIWAN BETWEEN NOON AND 1230 PM. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD 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 SHOdULD NOT DRIVE INTO LOW WATER CROSSINGS. DRB
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, 12 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
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 2:45 PM MST | Severe Thunderstorm Warning | TWC | Pima | 30 min |
| Sep 18, 3:34 PM MST | Severe Thunderstorm Warning | TWC | Pima | 26 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.