Alert archive / Arizona / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 40, NWS Phoenix, AZ
NWS Phoenix, AZ issued this severe thunderstorm warning at Aug 13, 2000, 3:34 PM MST for Gila County, Arizona. It was in force for 66 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
- Aug 13, 2000, 3:34 PM MST (22:34 UTC)
- Expired
- Aug 13, 2000, 4:40 PM MST
- In force
- 66 min
- Issued by
- NWS Phoenix, AZ
- Area
- Whole counties
County Gila County, AZ
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 13, 3:45 PM MST | Hail 0.75 | Globe, AZ | Reported by firefighters at the "Peak Fire" near Signal Peak. |
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
Phoenix, AZ (KPSR), launched 12:00Z, 10.6 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
- 15 J/kg
- Mixed-layer CIN
- -242 J/kg
- Mixed-layer LCL
- 2353 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 46 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 132233 SVRPHX AZC007-132340- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE PHOENIX AZ 334 PM MST SUN AUG 13 2000 THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTH CENTRAL GILA COUNTY IN CENTRAL ARIZONA * UNTIL 440 PM MST * AT 331 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM NEAR SIGNAL PEAK SOUTH OF GLOBE...MOVING NORTHWEST AT 5 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT... SIGNAL PEAK...AND THE HIGHER TERRAIN SOUTH OF GLOBE DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS! $$ MB `
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 13, 2:50 PM MST, 44 minutes earlier.
Area forecast discussion, Aug 13, 2:50 PM MST, 44 minutes before
AZZ020>028-CAZ030>033-140545- SOUTHWEST ARIZONA/SOUTHEAST CALIFORNIA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PHOENIX AZ 250 PM MST SUN AUG 13 2000 .SYNOPSIS... HIGH PRESSURE ALOFT WILL BE SITUATED OVER ARIZONA THIS WEEK...WITH THE CENTER OF THE HIGH OVER THE SOUTHERN ROCKIES. THIS POSITION WILL KEEP ARIZONA IN A MOIST EAST TO SOUTHEAST FLOW. THEREFORE...EXPECT LATE AFTERNOON SHOWERS AND THUNDERSTORMS EACH DAY...ESPECIALLY OVER THE HIGHER TERRAIN. LITTLE CHANGE IS EXPECTED IN THIS MOIST AND UNSTABLE PATTERN THROUGHOUT THIS WEEK. MEANWHILE...SOUTHEAST CALIFORNIA WILL BE RELATIVELY DRY THIS WEEK...WITH VERY LITTLE CHANCE OF THUNDERSTORMS. TEMPERATURES WILL BE NEAR OR SLIGHT ABOVE SEASONAL NORMALS. .DISCUSSION... LITTLE SPINNER SEEN NICELY ON VISIBLE IMAGERY HELPED TO TRIGGER ISOLATED TALL CONVECTION OVER FAR WRN AZ THIS AFTERNOON. MOST OF THE HEAVY RAIN FROM THIS CLUSTER HAS FALLEN IN OPEN DESERT AND SITUATION WAS HANDLED BY A STRONGLY WORDED NOWCAST. ELSEWHERE...LITTLE IN THE WAY OF DYNAMICS IS PRESENT THIS AFTERNOON OVER THE REMAINDER OF THE AZ CWFA...SO STORMS ARE HAVING TO FORM OVER HIGHER TERRAIN. AND... WITH A MINIMAL STEERING FLOW FROM THE EAST OR SOUTHEAST...IT WILL BE TOUGH TO MOVE STORMS VERY FAR INTO THE DESERTS. STILL...AIRMASS IS SOPPING WET AND VERY UNSTABLE...SO JUST ABOUT ANYWHERE IN AZ CWFA COULD GET ISOLATED STORMS THIS EVENING. FEW CHANGES ARE EXPECTED TO TAKE PLACE THE NEXT FEW DAYS WITH TERRAIN INDUCEMENT OF CONVECTION THE MAIN TRIGGER. SINCE WRN AZ VORT MAX WILL BE OUT OF PICTURE BY TOMORROW...WILL NOT MENTION CONVECTION W OF MARICOPA COUNTY BY MONDAY. REST OF AZ CWFA WILL BE HANDLED WITH SLIGHT CHANCES. UNFAVORABLE STEERING FLOW WILL CONTINUE INTO EXTENDED...SO WILL KEEP THUNDERSTORM CHANCES GOING FROM ERN LAPAZ AND YUMA COUNTIES EWD... CONTINUED DRY SE CA PORTION OF CWFA. ESTLE
In the hours before
Special weather statement, Aug 13, 12:59 PM MST, 2 hours 35 minutes before
AZZ024-140130- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE PHOENIX AZ 1259 PM MST SUN AUG 13 2000 ...MODERATE RISK OF THUNDERSTORMS WITH LOCALLY HEAVY RAINFALL OVER HIGHER TERRAIN AREAS OF SOUTH CENTRAL ARIZONA THIS AFTERNOON AND EVENING... THE MODERATE RISK AREA FOR HEAVY RAINFALL ENCOMPASSES SOUTHERN GILA AND FAR NORTHEAST MARICOPA COUNTIES...AND INCLUDES THE TOWNS OF GLOBE...MIAMI...SUPERIOR...SAN CARLOS...PUNKIN CENTER AND SUNFLOWER ...AS WELL AS THE SALT AND VERDE RIVER RECREATIONAL LAKES. SCATTERED THUNDERSTORMS WILL BE DEVELOPING THIS AFTERNOON AND EVENING OVER SOUTHERN GILA AND NORTHEAST MARICOPA COUNTIES...AND THEY WILL BE VERY SLOW MOVING. THE VERY MOIST AIRMASS...COMBINED WITH SLOW STORM MOVEMENTS...WILL INCREASE THE LIKELIHOOD OF VERY HEAVY RAINFALL...AT TIMES UP TO TWO INCHES PER HOUR. GUSTY WINDS TO 40 MPH AND DANGEROUS LIGHTNING CAN ALSO BE EXPECTED WITH THE STORMS. STORM SPOTTER AC TIVATION MAY BE NECESSARY LATER TODAY. ESTLE
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.