Alert archive / Arizona / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 36, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 9, 2000, 6:17 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 9, 2000, 6:17 PM MST (01:17 UTC)
- Expired
- Aug 9, 2000, 7:20 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 01:17 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, 1.3 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
- 304 J/kg
- Mixed-layer CIN
- -187 J/kg
- Mixed-layer LCL
- 2784 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 35 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 100116 SVRPHX AZC007-100220- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 617 PM MST WED AUG 9 2000 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL GILA COUNTY IN CENTRAL ARIZONA * UNTIL 720 PM MST * AT 615 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 5 MILES NORTHEAST OF GLOBE... MOVING SLOWLY NORTHEAST AROUND 7 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... GLOBE HIGHWAY 77 NORTHEAST OF GLOBE HIGHWAY 60 EAST OF GLOBE DAMAGING WINDS AND HEAVY RAIN AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! CJB
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 9, 2:45 PM MST, 3 hours 32 minutes earlier.
Area forecast discussion, Aug 9, 2:45 PM MST, 3 hours 32 minutes before
AZZ020>028-CAZ030>033-101045- SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 245 PM MST WED AUG 9 2000 .SYNOPSIS... HIGH PRESSURE ALOFT CENTERED OVER THE CENTRAL ROCKIES...WILL MAINTAIN MONSOON MOISTURE OVER MAINLY CENTRAL AND EASTERN ARIZONA. THIS WILL KEEP A CHANCE OF SHOWERS OR THUNDERSTORMS OVER SOUTH-CENTRAL ARIZONA THROUGH THE WEEKEND...MAINLY HIGHER TERRAIN. SOUTHWEST ARIZONA WILL HAVE A SLIGHT CHANCE OF STORMS...WITH MOSTLY CLEAR TO PARTLY CLOUDY CONDITIONS OVER SOUTHEAST CALIFORNIA. THIS PATTERN IS NOT EXPECTED TO CHANGE MUCH THE REST OF THE WEEK AND INTO EARLY NEXT WEEK. IN ADDITION...TEMPERATURES WILL BE NEAR OR A BIT ABOVE NORMAL...WITH BREEZY AFTERNOONS. .DISCUSSION... MORE STORM ACTIVITY THIS AFTERNOON THAN YESTERDAY...ESPECIALLY SOUTHEAST ARIZONA. HOWEVER...ITS NOT EXACTLY GOING GANG BUSTERS SO FAR. ALSO OUR CWA NOW ON THE BACK SIDE OF THE SHORT WAVE MOVING THROUGH WESTERN ARIZONA. SOUTHEASTERLY STEERING FLOW WILL TEND TO KEEP RIM/WHITE MOUNTAIN STORMS MOVING PARALLEL TO THAT HIGHER TERRAIN. WILL NEED TO HAVE STRONG OUTFLOWS FROM SOUTHEAST ARIZONA STORMS TO PRODUCE STORMS IN OUR CWA. ANTICIPATE MOSTLY ISOLATED STORM ACTIVITY IN EASTERN CWA. ETA BRINGS DEVELOPS UVV AND UPPER LEVEL DIVERGENCE FOR THIS AFTERNOON AND EVENING OVER SOUTHEAST ARIZONA. IT ALSO BRINGS IN A VORT MAX INTO SOUTHEAST ARIZONA TONIGHT AND KEEPS DEEP MOISTURE ALL THE WAY OVER TO RIVER. AVN NOT AS AGRESSIVE WITH FORCING AND SHOWS DRYING AT 850 AND 700 WITH MORE OF A WESTERLY COMPONENT TO THE FLOW. MEANWHILE...500 MB RIDGE EXPANDS INTO CENTRAL PLAINS/MIDWEST WITH SOME SOUTHWESTERLY FLOW TRYING TO SNEAK IN AS CUTOFF LOW COMES ASHORE AND SHEARS OUT. IN EXTENDED...WESTERN CWA UNDER MORE OF A SOUTHWESTERLY FLOW AND EASTERN CWA MORE SOUTHEASTERLY. OTHERWISE...STANDARD MONSOON SITUATION IN PLACE...THUS FORECAST MADE ACCORDINGLY. JAMISON
The office that day
Everything else NWS Phoenix, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 9, 7:45 PM MST | Flash Flood Warning | PSR | Gila | 15 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.