Alert archive / Arizona / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 130, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Sep 13, 1996, 5:26 PM MST for Pima County, Santa Cruz County, Arizona. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 13, 1996, 5:26 PM MST (00:26 UTC)
- Expired
- Sep 13, 1996, 6:15 PM MST
- In force
- 49 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
Counties Pima County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 66 km from the middle of the area, began a volume at 00:27 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, 0.4 hours before the alert went out and 56 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
- 1046 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 2120 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.0
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.
NWS Tucson, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 13, 2:44 PM MST, 2 hours 42 minutes earlier.
Area forecast discussion, Sep 13, 2:44 PM MST, 2 hours 42 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 240 PM MST FRI SEP 13 1996 SVR WX EVENT SHAPING UP FOR SE AZ TNT AS STG UPR TROF MOVG INTO AREA ACTING UPON MSTR FROM FAUSTO. GOOD VERTICAL SHEAR PROFILE IN PLACE SO WDSPRD SVR STORMS EXPECTED. SATELLITE PICTURES SHOW UPR TROF MOVG RAPIDLY EWD WITH LEADING EDGE OF DRIER AIR ALREADY PUSHING INTO WRN AZ PER YUM DEW POINTS IN THE MID 40S. SO MOST WX COULD BE OUT OF AREA LATER TONIGHT. HOWEVER UPR TROF COULD SLOW DOWN AS SATELLITE PICTURES SHOW SOME INDICATION OF JET MAX ON THE SWRN SIDE OF TROF DIGGING SWD. ALSO WITH MODELS HANGING ONTO MSTR THROUGH SAT...DECREASING FROM WEST TO EAST...WILL HOLD ONTO SHWRS AND TSTMS THRU SAT...ONLY MRNG HOURS WRN ZONES. SUBSIDENCE AND DRIER AIR BEHIND TROF SAT NIGHT AND SUN WILL PUT AN END TO SHWR ACTIVITY. EXTENDED LOOKS DRY AS ANOTHER UPR TROF DROPS INTO GREAT BASIN PUTTING DRY WLY FLOW ACRS AZ. TUS 5300. COLLINS .TUS...SVR TSTM WATCH PIMA...PINAL...AND SANTA CRUZ COUNTIES ...ZONES 21>23...UNTIL 8PM TONIGHT.
Nearby
Severe Thunderstorm Warnings in Arizona, 1996Every severe thunderstorm warning in 1996
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.