Alert archive / Arizona / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 14, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at May 23, 1992, 3:59 PM MST for Maricopa County, Arizona. It was in force for 61 min. 2 reports 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
- May 23, 1992, 3:59 PM MST (22:59 UTC)
- Expired
- May 23, 1992, 5:00 PM MST
- In force
- 61 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Maricopa County, AZ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 23, 4:18 PM MST | Tornado F0 | Maricopa, AZ | |
| May 23, 4:40 PM MST | Tornado F1 | 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1893 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 98 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.
In the hours before
Special weather statement, May 23, 11:54 AM MST, 4 hours 5 minutes before
AZZALL-232300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX ARIZONA 1150 AM MST SAT MAY 23 1992 AT 1130 AM MST THIS MORNING...THUNDERSTORMS WERE ON THE INCREASE IN THE NORTH AND EAST HALVES OF ARIZONA. WEATHER RADAR AND SATELLITE SHOWED THE STRONGEST STORMS TO BE IN SOUTHEASTERN ARIZONA AND IN THE WHITE MOUNTAINS...AND MAINLY ALONG AND JUST SOUTH OF THE MOGOLLON RIM. THUNDERSTORMS WILL CONTINUE TO INCREASE IN THE NORTH AND EAST HALVES OF THE STATE DURING THE AFTERNOON AND EARLY EVENING HOURS...AND ALSO DEVELOP IN THE SOUTHCENTRAL AND SOUTHWEST DESERTS. SOME OF THE STORMS WILL BE ACCOMPANIED BY STRONG WINDS...HAIL... LOCALLY HEAVY RAINFALL...AND DEADLY LIGHTNING. THERE COULD ALSO BE LOCAL AREAS OF WIND DRIVEN DUST OR SAND IN THE DESERT AREAS. PERSONS PLANNING ON BEING OUT AND ABOUT IN ARIZONA THE REST OF TODAY AND INTO EARLY TONIGHT...CAMPING...HIKING...BOATING OR JUST MOTORING AROUND...ARE STRONGLY URGED TO EXERCISE CAUTION. BE WEATHERWISE...AND WATCH THE WEATHER IN YOUR LOCALITY. IF SKIES BEGIN TO BLACKEN ABRUPTLY IN YOUR AREA...AND RAIN AND WIND STARTS TO INCREASE STRONGLY...SEEK A SAFE PLACE IMMEDIATELY...DO NOT WAIT UNTIL ITS TOO LATE. ALSO...LIGHTNING WILL POSE A VERY DANGEROUS HAZARD TO THOSE OUTDOORS. THUNDERSTORMS WILL DECREASE IN COVERAGE AND INTENSITY LATE TONIGHT... BUT WILL DEVELOP AGAIN AROUND ARIZONA ON SUNDAY AND MEMORIAL DAY...AND CAUTION IS ADVISED. FRANJEVIC 05/23/1853Z
Special weather statement, May 23, 1:41 PM MST, 2 hours 18 minutes before
AZZALL-232300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE PHOENIX ARIZONA 140 PM MST SAT MAY 23 1992 ...STRONG THUNDERSTORMS DEVELOPING ACROSS MUCH OF ARIZONA... PHOENIX WEATHER RADAR AT 130 PM MST WAS SHOWING SEVERAL STRONG THUNDER STORMS OVER CENTRAL ARIZONA. THE STRONGEST STORM WAS IN CENTRAL PINAL COUNTY...SOUTHEAST OF FLORENCE AND COOLIDGE...WHILE ANOTHER STORM WITH LOCALLY HEAVY RAIN WAS DEVELOPING NEAR APACHE JUNCTION FURTHER TO THE NORTH. THIS STORM IS OF PARTICULAR CONCERN TO BOATING AND OTHER RECREATIONAL ACTIVITIES TAKING PLACE ON THE SALT RIVER LAKES. IF THREATENING WEATHER APPEARS TO BE GETTING CLOSER AND YOU ARE OUT ON ONE OF THE LAKES...BE PREPARED TO TAKE SHELTER AT ONCE. THE THUNDERSTORMS WERE MOVING TOWARDS THE NORTHWEST AT ABOUT 15 TO 20 MPH. THIS MOVEMENT COULD BRING THUNDERSTORM ACTIVITY INTO THE GREATER PHOENIX AREA...ESPECIALLY THE EAST VALLEY...BY LATER THIS AFTERNOON. BE ADVISED THAT LOCALLY HEAVY RAIN...STRONG WINDS AND SOME HAIL COULD OCCUR WITH JUST ABOUT ANY THUNDERSTORM TODAY...NOT TO MENTION THE PRESENCE OF DANGEROUS CLOUD TO GROUND LIGHTNING STRIKES. IF YOU ARE OUT OF DOORS THIS AFTERNOON TAKING ADVANTAGE OF MEMORIAL DAY WEEKEND ACTIVITIES...KEEP ABREAST OF THE WEATHER DEVELOPMENTS AND BE PREPARED TO MOVE INDOORS IF STRONG THUNDERSTORMS APPROACH YOUR AREA. IT WOULD BE GOOD TO KEEP A LISTENING EAR TO NOAA WEATHER RADIO OR COMMERCIAL RADIO OR T.V. BROADCASTS FOR UP TO THE MINUT(E INFORMATION ON THESE DEVELOPING THUNDERSTORMS. ESTLE
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 23, 2:10 PM MST | Severe Thunderstorm Warning | PSR | Maricopa, Pinal | 110 min |
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.