Alert archive / Arizona / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 48, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Aug 27, 2000, 3:05 PM MST for Yavapai County, Arizona. It was in force for 25 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 27, 2000, 3:05 PM MST (22:05 UTC)
- Expired
- Aug 27, 2000, 3:30 PM MST
- In force
- 25 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Whole counties
County Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 124 km from the middle of the area, began a volume at 22:06 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
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 10.1 hours before the alert went out and 98 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
- 171 J/kg
- Mixed-layer CIN
- -72 J/kg
- Mixed-layer LCL
- 1312 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 27 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
895 WUUS55 KFGZ 272205 SVRFLG AZC025-272230- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 305 PM MST SUN AUG 27 2000 THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME EAST CENTRAL YAVAPAI COUNTY IN ARIZONA * UNTIL 330 PM MST * AT 305 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER EXTREME EAST CENTRAL YAVAPAI COUNTY...OR ABOUT 16 MILES SOUTHEAST OF SEDONA...MOVING NORTHWEST AT 5 MPH. VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM...MOVE TO A SUBSTANTIAL SHELTER. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN FLAGSTAFF. $$ LAT...LON 3471 11177 3458 11155 3473 11155 3480 11170
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 Flagstaff, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 27, 2:30 PM MST, 35 minutes earlier.
Area forecast discussion, Aug 27, 2:30 PM MST, 35 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 230 PM MST SUN AUG 27 2000 SYNOPSIS...MOIST SOUTHERLY FLOW WILL CONTINUE ACROSS ARIZONA FOR THE NEXT SEVERAL DAYS. SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP EACH DAY THROUGHOUT THE WORK WEEK OVER NORTHERN ARIZONA WHILE TEMPERATURES WILL REMAIN NEAR NORMAL. DISCUSSION...MOST OF THE ACTION TODAY OVER THE CENTRAL AND WESTERN PORTIONS OF THE CWA WITH ESPECIALLY HEAVY ACTIVITY OVER EASTERN COCONINO COUNTY. LATEST SAT IMAGERY SHOWS PLENTY OF MOISTURE CONTINUING TO TRAIL NORTHWARD ACROSS THE WESTERN AND CENTRAL CWA. WITH CONTINUING STEADY SUPPLY OF MOISTURE...ACTIVITY SHOULD LAST WELL INTO THE EVENING MOST PLACES AND POSSIBLY ALL NIGHT OVER SOME OF THE ZONES. ETA DOES A RELATIVELY GOOD JOB OF DEPICTING MOISTURE STREAM MOVING NORTH ACROSS CENTRAL AND WESTERN CWA THROUGH TUESDAY. BROAD RIDGE OVER SOUTHERN CONUS SLIDES SLOWLY EASTWARD...BUT FLOW PATTERN LOOKS GOOD FOR CONTINUED HIGH PW VALUES...ESPECIALLY OVER YAVAPAI COUNTY...THE WESTERN RIM COUNTRY...THE COCONINO PLATEAU AND THE CANYON THROUGH TUESDAY. ONCE AGAIN...THE NORTHEASTERN CWA HAS BEEN LEFT OUT OF MOST OF THE ACTION WITH ONLY ISOLATED TO SCATTERED AFTERNOON ACTIVITY. DO NOT SEE MUCH CHANGE TO THIS THRU TUESDAY AS LONG AS PATTERN HOLDS. IN THE EXTENDED...ALTHOUGH MRF INDICATES A DRYING TREND BY FRIDAY...DO NOT TRUST IT ENOUGH THAT FAR DOWN TH)E ROAD TO MAKE ANY MAJOR CHANGES TO THE OUTLOOK PERIOD. WILL CONTINUE TO BROAD BRUSH WITH CHANCE PRECIP WORDING EVERYWHERE. KREITNER .FGZ...NONE.
In the hours before
Special weather statement, Aug 27, 9:30 AM MST, 5 hours 35 minutes before
AZZ004>018-037>040-272030- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE FLAGSTAFF AZ 930 AM MST SUN AUG 27 2000 ...SCATTERED THUNDERSTORMS TODAY ACROSS NORTHERN ARIZONA...WITH HEAVIEST ACTIVITY OVER YAVAPAI COUNTY... SPOTTER REPORTS OF HAIL...GUSTY WINDS AND HEAVY RAIN REQUESTED. WITH PLENTY OF MOISTURE AND INSTABILITY AVAILABLE TODAY LOOK FOR WIDESPREAD CONVECTIVE ACTIVITY OVER NORTHERN ARIZONA. HOT SPOTS FOR TODAY LOOK TO BE YAVAPAI COUNTY...THE COCONINO PLATEAU...AS WELL AS ALONG AND SOUTH OF THE RIM...WITH SCATTERED ACTIVITY ELSEWHERE. ACTIVITY SHOULD LAST WELL INTO THE EVENING MOST PLACES AND POSSIBLY ALL NIGHT OVER SOME OF THE SOUTHERN ZONES. THESE STORMS WILL BE CAPABLE OF PRODUCING FREQUENT LIGHTNING AND HEAVY RAIN WITH LOCAL AMOUNTS OF 2 TO 3 INCHES...ESPECIALLY OVER YAVAPAI COUNTY. AS ALWAYS...EXERCISE LIGHTNING PRECAUTIONS IF A THUNDERSTORM APPROACHES YOUR AREA. THE HAZARDOUS WEATHER OUTLOOK GIVES PRELIMINARY INFORMATION FOR THE POSSIBILITY OF WEATHER THAT COULD BECOME SEVERE...DAMAGING WINDS IN EXCESS OF 57 MPH...HAIL 3/4 INCH IN DIAMETER OR LARGER...AND HEAVY RAINFALL THAT COULD CAUSE FLOODING OR RUNNING WASHES. WHEN HAZARDOUS WEATHER BEGINS...IMPORTANT LIFE SAVING INFORMATION WILL BE PROVIDED IN SHORT TERM FORECASTS...SEVERE WEATHER AND FLOOD WARNINGS ...AND FOLLOW-UP STATEMENTS. KREITNER
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.