Alert archive / Arizona / Severe Thunderstorm Warnings in 1992
Severe Thunderstorm Warning 13, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at May 23, 1992, 2:10 PM MST for Maricopa County, Pinal County, Arizona. It was in force for 110 min.
The area
The counties it named.
The facts
- Issued
- May 23, 1992, 2:10 PM MST (21:10 UTC)
- Expired
- May 23, 1992, 4:00 PM MST
- In force
- 110 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
Counties Maricopa County, AZ, Pinal County, AZ
The nearest sounding before it
Tuscon, AZ (KTUS), launched 12:00Z, 9.2 hours before the alert went out and 143 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
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPHX 232110 SVRPHX AZC013-021-232300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX ARIZONA 210 PM MST SAT MAY 23 1992 THE NATIONAL WEATHER SERVICE IN PHOENIX ARIZONA HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 400 PM MST FOR THE FOLLOWING LOCATIONS... IN SOUTH CENTRAL ARIZONA ...EASTERN MARICOPA COUNTY...NORTH CENTRAL PINAL COUNTY AT 200 PM MST A LINE OF STRONG THUNDERSTORMS WAS MOVING THROUGH NORTHERN PINAL COUNTY AND APPROACHING THE TOWNS OF SUPERIOR AND FLORENCE JUNCTION. MARBLE SIZE HAIL AND WINDS ESTIMATED TO 45 MPH WERE ASSOCIATED WITH THIS STORM AS IT PASSED THROUGH KEARNEY AT AROUND 130 PM. ANOTHER STRONG THUNDERSTORM WITH HAIL INDICATED ON RADAR WAS IN THE VICINITY OF APACHE JUNCTION. BOATERS AND SWIMMERS OUT ON THE SALT RIVER LAKES SHOULD COME ASHORE IMMEDIATELY AND TAKE SHELTER UNTIL THE STORMS PASS. ALL OF THE THUNDERSTORM ACTIVITY WAS MOVING NORTHWEST AT ABOUT 15 TO 20 MPH. THIS MOTION SHOULD TAKE THE STORMS THROUGH MOST OF THE GREATER PHOENIX AREA BETWEEN NOW AND 4 PM MST. 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. IF YOU ARE BOATING OR SWIMMING...HEAD FOR SHORE IMMEDIATELY. STAY AWAY FROM THE WATER. TAKE SHELTER IN A STRONG BUILDING IF POSSIBLE. YOUR CAR MAY GIVE YOU SOME PROTECTION...IF ITS NOT PARKED UNDER A TREE OR IN A WASH.
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, 2 hours 16 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, 29 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, 3:59 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 61 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; the sounding from the Mesonet's radiosonde archive.