Alert archive / Arizona / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 52, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Aug 27, 2000, 9:05 PM MDT for Navajo 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, 9:05 PM MDT (03:05 UTC)
- Expired
- Aug 27, 2000, 9:30 PM MDT
- In force
- 25 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Whole counties
County Navajo County, AZ
The radar
The Flagstaff radar (KFSX), 122 km from the middle of the area, began a volume at 03:06 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 00:00Z, 3.1 hours before the alert went out and 136 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 998 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 214 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 KFGZ 280308 SVRFLG AZC001-017-280330- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 805 PM MST SUN AUG 27 2000 THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... EXTREME SOUTHWESTERN APACHE COUNTY IN ARIZONA EXTREME SOUTHEASTERN NAVAJO COUNTY IN ARIZONA * UNTIL 830 PM MST * AT 805 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 2 SEVERE THUNDERSTORMS...ONE LOCATED 6 MILES SOUTHEAST OF FORT APACHE...OR ABOUT 35 MILES SOUTH OF SHOW LOW...THE SECOND ABOUT 15 MILES SOUTHEAST OF FORT APACHE...BOTH MOVING NORTHEAST AT LESS THAN 5 MPH. * THE SEVERE THUNDERSTORM WILL AFFECT OR PASS CLOSE TO...FORT APACHE AND WHITERIVER BY 815 PM MST. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN FLAGSTAFF. $$ LAT...LOCN 3389 10999 3362 10999 3352 10978 3389 10979
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, 3:30 PM MDT, 5 hours 35 minutes earlier.
Area forecast discussion, Aug 27, 3:30 PM MDT, 5 hours 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.
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 8:32 PM MDT | Severe Thunderstorm Warning | FGZ | Gila, Navajo | 28 min |
| Aug 27, 8:32 PM MDT | Severe Thunderstorm Warning | FGZ | Apache | 28 min |
| Aug 27, 9:05 PM MDT | Severe Thunderstorm Warning | FGZ | Apache | 25 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.