Alert archive / Arizona / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 11, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Jun 23, 2000, 5:46 PM MST for Pinal County, Arizona. It was in force for 34 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
- Jun 23, 2000, 5:46 PM MST (00:46 UTC)
- Expired
- Jun 23, 2000, 6:20 PM MST
- In force
- 34 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Pinal County, AZ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 23, 6:00 PM MST | Thunderstorm Wind 53 E | Stanfield, AZ | Large palo verde tree knocked down by wind. |
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 00:00Z, 0.8 hours before the alert went out and 92 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
- 429 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 2108 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 8 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS55 KPSR 240043 SVRPHX AZC021-240120- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 546 PM MST FRI JUN 23 2000 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL PINAL COUNTY IN CENTRAL ARIZONA * UNTIL 620 PM MST * AT 540 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 7 MILES WEST OF STANFIELD... MOVING EAST AT 5 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT PETERS CORNER AND SURROUNDING AREAS. MOBILE HOMES ARE ESPECIALLY VULNERABLE. DAMAGING WINDS TO 60 MPH AND HEAVY RAIN ARE LIKELY INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! HV
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 Phoenix, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 23, 3:05 PM MST, 2 hours 41 minutes earlier.
Area forecast discussion, Jun 23, 3:05 PM MST, 2 hours 41 minutes before
AZZ020>028-CAZ030>033-240545- SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 305 PM MST FRI JUN 23 2000 .SYNOPSIS... MONSOON MOISTURE WILL REMAIN OVER THE AREA INTO EARLY NEXT WEEK. UPPER AIR DISTURBANCES WILL INTERACT WITH THE MOISTURE TO BRING A CHANCE FOR THUNDERSTORMS MAINLY TO SOUTH CENTRAL ARIZONA. AN INCREASE IN MOISTURE AND THUNDERSTORM ACTIVITY IS POSSIBLE SUNDAY AND MONDAY AS THE REMAINS OF CARLOTTA APPROACH THE CENTRAL BAJA CALIFORNIA COAST. DAYTIME HIGH TEMPERATURES WILL BE CLOSE TO AVERAGE. .DISCUSSION... ISSUED HAZARDOUS WEATHER OUTLOOK TO ADDRESS CONVECTION EXPECTED OVER SOUTH CENTRAL ARIZONA THIS AFTERNOON AND EVENING. NO OBVIOUS UPPER JET STREAKS OR OTHER TRIGGERS SATURDAY...SO HAVE DOWNPLAYED CHANCE FOR STORMS OVER DESERT BUT KEPT CHANCE OVER SOUTH CENTRAL HIGHER TERRAIN. YUMA VWP ALREADY DEPICTING SOUTH-SOUTHEAST FLOW TO 6K FT...WITH DEW POINTS THERE ONLY IN THE UPPER 50S. GULF SURGE A DISTINCT POSSIBILITY SATURDAY AS CARLOTTA PASSES JUST SOUTH AND WEST OF SOUTHERN BAJA CALIFORNIA. MOISTURE INCREASE LIKELY BY LATE SATURDAY INTO SUNDAY ACROSS MUCH OF CWA...AND WITH DISTURBANCES FORECAST TO AFFECT THE AREA IN SOUTHWEST FLOW...HAVE GONE WITH CHANCE WORDING SUNDAY AND MONDAY. EXCESSIVE RAINFALLS WILL BE A POSSIBILITY OVER MAINLY EASTERN HALF OF CWA BY MONDAY. WILL PROBABLY STILL HAVE DECENT LOW LEVEL MOISTURE OVER SOUTH CENTRAL DESERT TUESDAY AND WEDNESDAY...SO HAVE LEFT CHANCE WORDING IN EXTENDED FOR ARIZONA ZONES 23/24/28. AVN SEEMED TO HAVE DECENT HANDLE ON HEIGHT/WIND FIELDS TODAY...BUT I WAS NOT CONFIDENT THAT ANY OF THE AVAILABLE NUMERICAL MODELS HANDLED MOISTURE WELL. DG
In the hours before
Special weather statement, Jun 23, 2:47 PM MST, 2 hours 59 minutes before
AZZ021>024-027-028-240000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PHOENIX AZ 247 PM MST FRI JUN 23 2000 ...SLIGHT RISK FOR HAZARDOUS WEATHER OVER NORTHERN AND CENTRAL MARICOPA...NORTHERN PINAL...AND SOUTHERN GILA COUNTIES LATE THIS AFTERNOON AND THIS EVENING... CITIES AND TOWNS INCLUDED IN THE SLIGHT RISK AREA INCLUDE THE GREATER PHOENIX METROPOLITAN AREA...GLOBE...MIAMI...WICKENBURG... SUPERIOR...FLORENCE...APACHE JUNCTION...COOLIDGE...AND CASA GRANDE. THE AIRMASS OVER SOUTH CENTRAL ARIZONA IS VERY MOIST AND UNSTABLE. STRONG TO OCCASIONALLY SEVERE THUNDERSTORMS WILL AFFECT PORTIONS OF CENTRAL AND SOUTHEAST ARIZONA THIS AFTERNOON...INCLUDING LA PAZ... YAVAPAI...PIMA...AND SOUTHERN PINAL COUNTIES. OUTFLOW WINDS FROM THESE STORMS ARE EXPECTED TO MOVE TOWARD THE SLIGHT RISK AREA LATER THIS AFTERNOON AND TRIGGER SCATTERED THUNDERSTORM DEVELOPMENT THIS EVENING AND EARLY TONIGHT. STORMS OVER THE SOUTH CENTRAL DESERT WILL BE CAPABLE OF PRODUCING STRONG WINDS AND DENSE BLOWING DUST. LOCALLY HEAVY RAINFALL IS ALSO POSSIBLE...BUT STORM MOVEMENT TOWARD THE NORTHEAST AT 15 MPH WILL DECREASE THE CHANCE FOR EXCESSIVE RAINFALL. HOWEVER...STORMS OVER THE HIGHER TERRAIN OF NORTH-CENTRAL AND NORTHEAST MARICOPA COUNTY...AS WELL AS SOUTHERN GILA COUNTY...COULD PRODUCE ENOUGH RAIN TO RESULT IN RUNNING WASHES. ALL STORMS WILL PRODUCE DANGEROUS CLOUD TO GROUND LIGHTNING. THE HAZARDOUS WEATHER OUTLOOK GIVES PRELIMINARY INFORMATION FOR THE POSSIBILITY OF WEATHER THAT COULD BECOME SEVERE...DAMAGING WINDS IN EXCESS OF 57 MPH...DENSE BLOWING DUST THAT RESTRICTS VISIBILITY TO 1/4 MILE OR LESS...HAIL 3/4 INCH IN DIAMETER OR LARGER...AND HEAVY RAINFALL THAT COULD CAUSE FLOODING OR RUNNING WASHES. WHEN SEVERE WEATHER OR FLOODING BEGINS...IMPORTANT LIFE SAVING INFORMATION WILL BE PROVIDED IN SHORT TERM FORECASTS...SEVERE WEATHER AND FLOOD WARNINGS...AND IN FOLLOW-UP STATEMENTS. STORM SPOTTER ACTIVATION MAY BE NECESSARY LATE THIS AFTERNOON OR EARLY THIS EVENING. DG
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 7:13 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 32 min |
Nearby
Severe Thunderstorm Warnings in Arizona, 2000Every severe thunderstorm warning in 2000
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.