Alert archive / Arizona / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 25, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 2, 2000, 5:50 PM MST for Gila County, Maricopa County, Arizona. It was in force for 45 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Aug 2, 2000, 5:50 PM MST (00:50 UTC)
- Expired
- Aug 2, 2000, 6:35 PM MST
- In force
- 45 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Gila County, AZ, Maricopa County, AZ
The nearest sounding before it
Phoenix, AZ (KPSR), launched 00:00Z, 0.8 hours before the alert went out and 87 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
- 122 J/kg
- Mixed-layer CIN
- -305 J/kg
- Mixed-layer LCL
- 3267 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -7 m²/s²
- 0-3 km storm-relative helicity
- 48 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 030054 SVRPHX AZC007-013-030135- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 550 PM MST WED AUG 2 2000 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WEST CENTRAL GILA COUNTY IN EAST CENTRAL ARIZONA * UNTIL 635 PM MST * AT 547 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 11 MILES EAST OF PUNKIN CENTER...OR ABOUT 12 MILES NORTH OF ROOSEVELT...MOVING WEST AT 20 MPH. SEVERE THUNDERSTORMS WILL AFFECT THE PUNKIN CENTER AREA...LAKE ROOSEVELT...AND PORTIONS OF HIGHWAY 88 FROM ROOSEVELT LAKE TO 17 MILES NORTHWEST OF GLOBE. VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...PUT YOUR CAR IN A GARAGE AND MOVE TO A SUBSTANTIAL SHELTER. INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.A REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN PHOENIX. LAT...LON 3350 11085 3395 11114 3390 11141 3345 11111
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 2, 2:45 PM MST, 3 hours 5 minutes earlier.
Area forecast discussion, Aug 2, 2:45 PM MST, 3 hours 5 minutes before
AZZ020>028-CAZ030>033-030545- SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 245 PM MST WED AUG 2 2000 .SYNOPSIS... A DISTURBANCE OVER NORTHERN ARIZONA AND NORTHERN BAJA WILL BRING A CHANCE OF THUNDERSTORMS TO SOUTHWEST AND SOUTH CENTRAL ARIZONA AS WELL AS SOUTHEAST CALIFORNIA TONIGHT. OTHERWISE...HIGH PRESSURE ALOFT WILL REMAIN CENTERED OVER THE FOUR CORNERS FOR AT LEAST THE NEXT COUPLE OF DAYS. THIS WILL BRING PARTLY CLOUDY SKIES TO SOUTHWEST ARIZONA AND SOUTHEAST CALIFORNIA THE REST OF WEEK...AND MOSTLY CLEAR SKIES OVER THE WEEKEND AS THE FLOW BECOMES MORE SOUTHWESTERLY. ENOUGH MOISTURE AND INSTABILITY WILL REMAIN OVER PORTIONS OF SOUTH CENTRAL ARIZONA...MAINLY THE HIGHER TERRAIN...THROUGH THE WEEKEND FOR A CONTINUED THREAT OF AFTERNOON AND EVENING THUNDERSTORMS. .DISCUSSION... MODELS ALL INDICATE THAT UPPER HIGH TO BECOME LOCATED IN 4 CORNERS OR NORTHWEST NEW MEXICO AREA BY TONIGHT AND REMAIN IN THAT GENERAL AREA THROUGH FRIDAY. VORTMAX MOVING THROUGH NORTHERN AZ MAY CAUSE ENOUGH DYNAMICS TO EXTEND INTO NORTHERN EDGES OF SW AND SOUTH CENTRAL DESERTS TONIGHT. ALSO VORTMAX MOVING ACROSS NORTHERN GULF WITH A JET STREAK SHOWING UP ON WATER VAPOR MAY BRING A FEW THUNDERSTORMS TO SW AZ AND SE CA TONIGHT. EASTERLY WAVE IS NOTED SOUTH OF BAJA BUT MOVING WEST AND RIGHT NOW DOESNT LOOK LIKE MUCH OF AFFECT ON REGION. MODELS BRING A LITTLE DRIER AIR INTO 4 CORNERS REGION THURSDAY WITH UPPER HIGH BUT FAIRLY GOOD MOISTURE REMAINS IN NORTHERN MEXICO. THIS KEEPS 8 DEG 850 MB DEW POINT UP INTO SOUTH CENTRAL AZ...FOR CONTINUED CHANCE OF AFTERNOON / EVENING THUNDERSTORMS NEXT COUPLE OF DAYS. SOME DRIER AIR IS ALSO INDICATED TO DROP SOUTH INTO SE CA / SW AZ BY THURSDAY/FRIDAY. THIS SHOULD BRING MOSTLY SUNNY TO PARTLY CLOUDY SKIES TO THAT AREA. EXTENDED MRF SHOWS UPPER LOW DROPPING DOWN W COAST BRINGS SOUTHWEST FLOW TO SE CA / SW AZ BY FRIDAY THROUGH THE WEEKEND TO KEEP ANY THUNDERSTORMS CONFINED TO HIGHER TERRAIN OF SOUTH CENTRAL AZ. A BIT MORE SOUTHERLY FLOW RETURNS ON MONDAY TO BRING CHANCE OF THUNDERSTORMS BACK TO ALL OF SOUTH CENTRAL AZ. DRY FLOW CONTINUES OVER SW AZ AND SE CA. DKS
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.