Alert archive / Arizona / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 39, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 17, 1992, 3:58 PM MST for Maricopa County, Arizona. It was in force for 2 hr. 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
- Aug 17, 1992, 3:58 PM MST (22:58 UTC)
- Expired
- Aug 17, 1992, 6:00 PM MST
- In force
- 2 hr
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Maricopa County, AZ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 17, 5:50 PM MST | Thunderstorm Wind 52 | Maricopa, 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. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 11.0 hours before the alert went out and 198 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
- 283 J/kg
- Mixed-layer CIN
- -225 J/kg
- Mixed-layer LCL
- 2614 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 59 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 KPHX 172308 SVRPHX AZC013-180100- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX ARIZONA 358 PM MST MON AUG 17 1992 THE NATIONAL WEATHER SERVICE IN PHOENIX ARIZONA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 600 PM MST FOR THE FOLLOWING LOCATIONS...... IN SOUTH CENTRAL ARIZONA ...EASTERN HALF OF MARICOPA COUNTY...INCLUDED THE GREATER PHOENIX AREAS...ESPECIALLY CAREFREE...CAVE CREEK...SCOTTSDALE...FOUNTAIN HILLS...MESA...TEMPE...CHANDLER AND OTHER PHOENIX EAST VALLEY AREAS UNTIL 6 PM. INTENSE THUNDERSTORMS HAVE BUILT OVER THE MOUNTAINS NORTH THROUGH NORTHEAST OF PHOENIX THE PAST SEVERAL HOURS. AT 350 PM THESE THUNDERSTORMS WERE BEGINNING TO DESCEND INTO THE FAR NORTHEAST VALLEY OF GREATER PHOENIX...AROUND CAVECREEK AND CAREFREE. A WEATHER SPOTTER AT THE CAREFREE SKY RANCH AIRPORT REPORTED THUNDERSTORM WINDS AS HIGH AS 60 MPH. THUNDERSTORMS MOVING INTO THE GREATER PHOENIX AREA WILL LIKELY FEED OFF THE CITY HEAT AND HUMIDITY AND BUILD INTO SEVERE THUNDERSTORMS PRODUCING DAMAGING WINDS IN EXCESS OF 57 MPH...ALONG WITH VERY HEAVY RAIN. TAKE SHELTER IMMEDIATELY IF THREATENING WEATHER DEVELOPS. THESE COULD BE DANGEROUS STORMS. SEVERE THUNDERSTORMS CAUSE DAMAGING WINDS...LARGE HAIL AND DEADLY LIGHTNING. MOVE INSIDE A REINFORCED BUILDING OR STORM SHELTER. GO TO AN INTERIOR ROOM OR HALLWAY ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS. MOBILE HOMESv ARE IN DANGER FROM SEVERE THUNDERSTORM WINDS... ESPECIALLY IF THEY HAVE NOT BEEN TIED DOWN. FOR YOUR SAFETY...TAKE SHELTER IN A STRONG BUILDING. IF YOUR TRAILER PARK HAS A STORM SHELTER...USE IT. VASQUEZ
Nearby
Severe Thunderstorm Warnings in Arizona, 1992Every severe thunderstorm warning in 1992
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.