Alert archive / Arizona / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 118, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Sep 3, 1996, 5:52 AM MST for Pima County, Arizona. It was in force for 58 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Sep 3, 1996, 5:52 AM MST (12:52 UTC)
- Expired
- Sep 3, 1996, 6:50 AM MST
- In force
- 58 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Pima County, AZ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 3, 7:00 AM MST | Thunderstorm Wind | Tucson, AZ |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 0.9 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
- 1155 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 1425 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 72 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.
NWS Tucson, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Sep 3, 1:57 AM MST, 3 hours 55 minutes earlier.
Area forecast discussion, Sep 3, 1:57 AM MST, 3 hours 55 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 215 AM MST TUE SEP 3 1996 A RELATIVELY QUIET DAY YDA FOR THESE PARTS...TEMPS HAD A HARD TIME WITH PREVIOUS DAYS RAINFALL...THINGS A BIT MORE STBL. TEMPS SHUD REBOUND NICELY TDA WITH A LTL BETTER AFTN CONVECTION. SLY FLOW CONTS IN LWR LVLS AT YUM...DEWPT HOPPED BACK UP TO 70 AT 07Z. MDLS CONT RECENT TREND WITH TRANSIENT 4 CRNRS HIGH CNTR SHIFTING EWD WITH RDG AS PAC NW LOW / TROF MOVES ONSHORE. THIS SHUD ENHANCE SLY FLOW FOR A TIME ALL ON ITS OWN. A COUPLE THINGS TO FACTOR INTO THIS. FIRST...TS ELIDA SHOWING A TRACK N-NW JUST MISSING TIP OF BAJA PENINSULA TO W AND STRENGTHENING. A DEFINITE HELP PUMPING MSTR INTO GULF AND NWD. ANOTHER ITEM...BOTH ETA AND NGM SHOW VORT SHIFTING INTO NRN GULF WITH THE NGM SUBSEQUENTLY WASHING IT OUT WHILE ETA BRINGS IT INTO SW AZ AT 48 HRS. REGARDLESS...AVN SEEMS TO HAVE THE RIGHT IDEA WITH INCRG MSTR BY THURSDAY WITH NR 70 PERCENT MEAN RH. WX TREND SHUD BE UPWARD BEFORE ANY POTENTIAL DRYING FROM W MUCH LATER. A FEW TWEAKS WITH NO MAJOR CHGS. TUS 122. MEYER
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 5:24 AM MST | Flash Flood Warning | TWC | Pima | 66 min |
| Sep 3, 5:24 AM MST | Severe Thunderstorm Warning | TWC | Pima | 66 min |
| Sep 3, 5:52 AM MST | Flash Flood Warning | TWC | Pima | 58 min |
| Sep 3, 6:46 AM MST | Flash Flood Warning | TWC | Pima, Santa Cruz | 74 min |
| Sep 3, 7:57 AM MST | Flash Flood Warning | TWC | Pima | 93 min |
| Sep 3, 9:30 AM MST | Flash Flood Warning | TWC | Pima | 60 min |
| Sep 3, 3:59 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 46 min |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.