Alert archive / Arizona / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 40, NWS Tucson, AZ
NWS Tucson, AZ issued this severe thunderstorm warning at Jul 12, 1996, 2:23 PM MST for Greenlee County, Arizona. It was in force for 52 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
- Jul 12, 1996, 2:23 PM MST (21:23 UTC)
- Expired
- Jul 12, 1996, 3:15 PM MST
- In force
- 52 min
- Issued by
- NWS Tucson, AZ
- Area
- Whole counties
County Greenlee County, AZ
The radar
The Tucson radar (KEMX), 196 km from the middle of the area, began a volume at 21:24 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 12:00Z, 9.4 hours before the alert went out and 194 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
- 76 J/kg
- Mixed-layer CIN
- -176 J/kg
- Mixed-layer LCL
- 2026 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 54 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 122123 SVRTUS AZC011-122215- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TUCSON ARIZONA 223 PM MST FRI JUL 12 1996 THE NATIONAL WEATHER SERVICE IN TUCSON ARIZONA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 315 PM MST FOR PEOPLE IN THE FOLLOWING LOCATION... IN EAST ARIZONA ...NORTHERN GREENLEE COUNTY AT 220 PM MST TUCSON DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES SOUTHEAST OF HANNAGAN MEADOW. THE THUNDERSTORMS WERE MOVING NORTHWEST AT 15 MPH. THE HANNAGAN MEADOW WILL BE AFFECTED BY THIS STORM WITHIN THE NEXT HALF HOUR. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 57 MPH...DESTRUCTIVE HAIL...DEADLY LIG HTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
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 12, 9:25 AM MST, 4 hours 58 minutes earlier.
Area forecast discussion, Jul 12, 9:25 AM MST, 4 hours 58 minutes before
SOUTHEAST ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE TUCSON AZ 925 AM MST FRI JUL 12 1996 VSBL PICS SHOWG DEBRIS CLDNS CONTG TO SLOLY DSIPT FM E-W WITH MAIN DECK MNLY OVR ZNS21/23 AS OF 16Z. 12Z TUS SNDG A LTL DRIER AND WRMR AT LOW-LVLS WITH SGFNT DRYG BTWN H7-H5 THAN FM 12Z YTDY BUT PW VALUES RMN VRY HIGH. ACTION AGN TDY FIRING UP FIRST OFF HIER TRNN ERN ZNS WITH STG GUSTY WNDS AND THREAT OF LCLZD FLOODG AGN PSBL TDY DUE TO SLO MOVG STORMS. CURRENT FCSTS LUK OK. TUS 3434. GLUECK
The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 5:51 PM MST | Flash Flood Warning | TWC | Cochise | 2 hr |
| Jul 12, 3:20 PM MST | Severe Thunderstorm Warning | TWC | Greenlee | 40 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.