Alert archive / Arizona / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 30, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 6, 2000, 5:07 PM MST for Gila County, Arizona. It was in force for 63 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
- Aug 6, 2000, 5:07 PM MST (00:07 UTC)
- Expired
- Aug 6, 2000, 6:10 PM MST
- In force
- 63 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Gila County, AZ
The radar
The Flagstaff radar (KFSX), 93 km from the middle of the area, began a volume at 00:10 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
Phoenix, AZ (KPSR), launched 00:00Z, 0.1 hours before the alert went out and 115 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
- 368 J/kg
- Mixed-layer CIN
- -214 J/kg
- Mixed-layer LCL
- 2681 m above ground
- 0-6 km bulk shear
- 6 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 30 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 070007 SVRPHX AZC007-070110- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 507 PM MST SUN AUG 6 2000 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL GILA COUNTY IN CENTRAL ARIZONA... * UNTIL 610 PM MST * AT 505 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED SEVERE THUNDERSTORMS 6 MILES NORTHEAST OF GLOBE...MOVING SOUTHWEST 10 TO 15 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT THE CITIES OF... GLOBE MIAMI AND VICINITY THESE ARE DANGEROUS THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS...LARGE HAIL...AND VERY HEAVY RAIN. THESE STORMS HAVE A HISTORY OF PRODUCING GOLF BALL SIZED HAILSTONES NEAR SAN CARLOS. GO 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 Aug 6, 2:50 PM MST, 2 hours 17 minutes earlier.
Area forecast discussion, Aug 6, 2:50 PM MST, 2 hours 17 minutes before
AZZ020>028-CAZ030>033-070545- SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 250 PM MST SUN AUG 6 2000 .SYNOPSIS... THE CHANCE FOR MAINLY LATE AFTERNOON AND NIGHTTIME STORMS WILL CONTINUE OVER SOUTH CENTRAL ARIZONA INTO AT LEAST THE MIDDLE OF NEXT WEEK AS A MORE TYPICAL MONSOON FLOW BECOMES ESTABLISHED. IN ADDITION...SOUTHWEST ARIZONA WILL SEE A SLIGHT CHANCE FOR STORMS THROUGH MID WEEK. DAYTIME HIGH TEMPERATURES WILL RANGE FROM A BIT BELOW TO SLIGHTLY ABOVE SEASONAL NORMALS. .DISCUSSION... CONVECTION NOW BREAKING OUT NICELY ALONG THE MOGOLLON RIM TO THE N AND E OF THE CWA...AND THE STEERING FLOW ALOFT IS WEAKLY FROM THE NE...WHICH IS SOMEWHAT FAVORABLE FOR HELPING STEER THE STORMS DOWN OFF THE HIGHER TRRN INTO THE SCNTRL DESERTS. MOISTURE REMAINS HIGH OVER THE DESERTS...WITH DEWPOINTS IN THE 60S...SO STORMS COMING OFF THE MOUNTAINS ARE MOVING INTO A MORE FAVORABLE ENVIRONMENT AND SHOULD BE ABLE TO SUSTAIN THEMSELVES. ALSO..OUTFLOWS FROM THESE STORMS SHOULD BE ABLE TO TRIGGER NEW CONVECTION OVER THE DESERTS. ONLY FLY IN THE OINTMENT IS THAT THE BOUNDARY LAYER IS 5 TO 10 DEGREES COOLER COMPARED TO YESTERDAY...THE RESULT OF PREVIOUS CONVECTION. AS AS RESULT...STORMS HAVE YET TO GET GOING OVER THE SE OR SCNTRL..AND THIS LACK OF HEATING MAY CAUSE THE NIGHT TO BE A DUD. STILL...CALLING FOR A CHANCE FOR NIGHTTIME STORMS OVER SCNTRL AZ...WITH A SLIGHT CHANCE TO THE CO RIVER. PROGS GRADUALLY SHIFT THE HIGH EWD TOMORROW...WITH THE FLOW ALOFT BECOMING WEAKER...BUT THE DEFORMATION ZONE STAYS MORE OR LESS IN PLACE WITH CONSIDERABLE MOISTURE SLATED TO BE OVER THE SERN PART OF THE STATE...AND OVER THE ERN CWA. MESOETA BRINGS IMPRESSIVE VORT MAX FROM NM INTO SERN AND SCNTRL AZ MON AND THIS COULD LEAD TO AN UNSETTLED...SHOWERY DAY MON. TROFFING STILL FORECAST TO SET UP ALONG THE WEST COAST BY TUE...WHICH WILL SHIFT THE HIGH BACK NEAR THE FOUR CORNERS...AND KEEP THE FAR WRN PARTS OF THE CWA DRY AND STABLE ENOUGH TO PRECLUDE ANY STORM DEVELOPMENT...WITH THE CHANCES FOR STORMS CONFINED TO THE WRN DESERTS AND THE SCNTRL. WITH A MORE TYPICAL MONSOON FLOW PATTERN IN PLACE...IN THE WED THRU FRI TIME PERIOD...WILL CALL FOR THE STANDARD MONSOON FORECAST WHICH IS A CHANCE FOR AFTN AND EVE SHOWERS AND THUNDERSTORMS...MAINLY FOR THE SCNTRL. 11
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 5:45 PM MST | Flash Flood Warning | PSR | Gila | 60 min |
| Aug 6, 6:43 PM MST | Severe Thunderstorm Warning | PSR | Maricopa | 47 min |
| Aug 7, 4:26 PM MST | Severe Thunderstorm Warning | PSR | Gila | 74 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.