Alert archive / Arizona / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 48, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jul 25, 1996, 1:26 PM MST for Cochise County, Arizona. It was in force for 64 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
- Jul 25, 1996, 1:26 PM MST (20:26 UTC)
- Expired
- Jul 25, 1996, 2:30 PM MST
- In force
- 64 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Cochise County, AZ
The radar
The Tucson radar (KEMX), 83 km from the middle of the area, began a volume at 20:28 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 25, 2:20 PM MST | Hail 1 | Benson, 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, 8.4 hours before the alert went out and 113 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
- 678 J/kg
- Mixed-layer CIN
- -189 J/kg
- Mixed-layer LCL
- 2322 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -24 m²/s²
- 0-3 km storm-relative helicity
- 28 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 Jul 25, 9:23 AM MST, 4 hours 3 minutes earlier.
Area forecast discussion, Jul 25, 9:23 AM MST, 4 hours 3 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 920 AM MST THU JUL 25 1996 12Z TUS SOUNDG MUCH WETTER IN MID LVLS AND MORE UNSTABLE THAN YDA. PW UP TO 1.3-1.4. K INDEX UP TO 41. THERE IS SOME NEGATIVE AREA TO OVRCOME...AND CAP STRENGTH 4C...BUT THIS ALSO LESS THAN YDA. WIND PROFILE TO PUSH ANVILS OFF TO EAST AS MID LVL FLOW TO PUSH STORMS WWD ACRS CWA. SFC DEW PTS YUM,PHX,GBN HI. TUS DEW PT UP TO 64 ATTM. HEAVY RAIN AND SVR WIND POTENTIAL FOR TDA/TNGT GREATER THAN YDA. QUESTION IS WHEN WILL TSTMS REACH LOWER ELEVATIONS. MOS NUMBERS FOR TGNT IMPRESSIVE WITH TSTMS AT 57. BOTH NEW ETA/NGM MOV HI TO NRN AZ/4 CORNERS AREA FRI. TUS 2323.
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 24, 6:44 PM MST | Severe Thunderstorm Warning | TWC | Cochise, Graham | 61 min |
| Jul 25, 12:19 PM MST | Severe Thunderstorm Warning | TWC | Cochise | 41 min |
| Jul 25, 1:05 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 40 min |
| Jul 25, 2:10 PM MST | Severe Thunderstorm Warning | TWC | Pima, Santa Cruz | 65 min |
| Jul 25, 2:15 PM MST | Severe Thunderstorm Warning | TWC | Pima | 60 min |
| Jul 25, 2:45 PM MST | Flash Flood Warning | TWC | Pima | 60 min |
| Jul 25, 3:15 PM MST | Severe Thunderstorm Warning | TWC | Pima | 60 min |
| Jul 25, 3:52 PM MST | Severe Thunderstorm Warning | TWC | Pima | 68 min |
| Jul 25, 4:02 PM MST | Flash Flood Warning | TWC | Pima | 58 min |
| Jul 25, 4:46 PM MST | Severe Thunderstorm Warning | TWC | Pinal | 59 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; radar from the NEXRAD Level II archive.