Alert archive / Arizona / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 4, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Jun 28, 2000, 1:24 PM MST for Coconino County, Arizona. It was in force for 36 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
- Jun 28, 2000, 1:24 PM MST (20:24 UTC)
- Expired
- Jun 28, 2000, 2:00 PM MST
- In force
- 36 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Coconino County, AZ
The radar
The Flagstaff radar (KFSX), 59 km from the middle of the area, began a volume at 20:27 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, 8.4 hours before the alert went out and 66 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
- 1931 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -13 m²/s²
- 0-3 km storm-relative helicity
- 81 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 282026 SVRFLG AZC005-282100- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE FLAGSTAFF AZ 124 PM MST WED JUN 28 2000 THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN COCONINO COUNTY IN ARIZONA * UNTIL 200 PM MST * AT 124 PM MST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 14 MILES SOUTHWEST OF METEOR CRATER...OR ABOUT 28 MILES SOUTHEAST OF FLAGSTAFF NEAR KINNIKINICK LAKE. THE STORM WAS NEARLY STATIONARY. 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. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN...AND DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. 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 3504 11125 3492 11109 3516 11076 3532 11095
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 Jun 28, 9:00 AM MST, 4 hours 24 minutes earlier.
Area forecast discussion, Jun 28, 9:00 AM MST, 4 hours 24 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 900 AM MST WED JUN 28 2000 SYNOPSIS...EXPECT SHOWERS AND THUNDERSTORMS TO REDEVELOP OVER THE HIGHER TERRAIN OF NORTHERN ARIZONA TODAY...AS MOISTURE REMAINS OVER THE AREA. A RIDGE OF HIGH PRESSURE WILL CONTINUE TO BUILD OVER THE SOUTHWESTERN UNITED STATES. THIS WILL ALLOW ADDITIONAL MOISTURE TO FILTER INTO THE REGION FOR A CONTINUATION OF AFTERNOON SHOWERS AND THUNDERSTORMS INTO THE WEEKEND. DISCUSSION...12Z MODELS CONTINUE TREND OF AMPLIFYING 5H RIDGE OVER THE SW US OVER THE NEXT FEW DAYS. LOW LEVEL MOISTURE REMAINS IN PLACE...WITH DYING CONVECTIVE COMPLEX PUSHING OUTFLOW BOUNDARIES INTO SRN PORTIONS OF THE CWA. SFC DEWPOINT VALUES REMAIN IN THE 50S...TO LOWER 60S ACROSS MUCH OF THE AREA. 12Z FGZ SOUNDING INDICATED MID LEVEL CAP...WHICH COMBINED WITH MID LEVEL CLOUDINESS ...MAY INHIBIT GROWTH FOR A SHORT WHILE INTO THE AFTERNOON HOURS. SOUNDING WIND PROFILE...ALONG WITH MODEL TIME SECTIONS INDICATED THAT MID LEVEL FLOW TO CONTINUE FROM THE NE THROUGH TODAY...WITH STRONGER WESTERLIES ALOFT. THIS SHOULD ALLOW STORMS THAT DO DEVELOP TO DROP S OFF OF THE RIM. THIS SHOUMLD BRING BETTER CHANCES FOR PRECIP OVER YAVAPAI AND GILA COUNTY. SCT POPS LOOKING GOOD IN CURRENT FCST...WITH MOST ACTIVITY DEVELOPING IN AFT. PLAN NO UPDATES. MCGRATH .FGZ...NONE.
In the hours before
Special weather statement, Jun 28, 9:26 AM MST, 3 hours 58 minutes before
AZZ004>018-037>040-282030- HAZARDOUS WEATHER OUTLOOK...CORRECTION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 926 AM MST WED JUN 28 2000 ...HEAVY RAIN PRODUCING THUNDERSTORMS POSSIBLE TODAY...MAINLY SOUTH OF FLAGSTAFF... SPOTTER REPORTS OF HEAVY RAINFALL REQUESTED. A LARGE THUNDERSTORM COMPLEX OVER NORTHERN MEXICO PUSHED ADDITIONAL LOW LEVEL MOISTURE INTO NORTHERN ARIZONA LAST NIGHT. YAVAPAI AND GILA COUNTY HAD THE BEST INCREASES IN MOISTURE. DAYTIME HEATING AND INCREASING INSTABILITY WILL LEAD THE THE DEVELOPMENT OF AFTERNOON SHOWERS AND THUNDERSTORMS. THE STORMS WILL DEVELOP OVER THE MOGOLLON RIM...AND HIGHER TERRAIN IN YAVAPAI COUNTY...AS WELL AS THE HIGHER TERRAIN OF THE REMAINING PORTION OF NORTHERN ARIZONA. MID LEVEL WINDS SHOULD STEER THESE STORMS INTO THE VALLEY LOCATIONS OF YAVAPAI COUNTY AND NORTHERN GILA COUNTY LATER THIS AFTERNOON. SOME OF THESE STORMS WILL CONTAIN LOCALLY HEAVY DOWNPOURS AND SMALL HAIL. 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. MCGRATH
Special weather statement, Jun 28, 9:35 AM MST, 3 hours 49 minutes before
AZZ004>018-037>040-282030- HAZARDOUS WEATHER OUTLOOK...CORRECTION NATIONAL WEATHER SERVICE FLAGSTAFF AZ 935 AM MST WED JUN 28 2000 ...HEAVY RAIN PRODUCING THUNDERSTORMS POSSIBLE TODAY...MAINLY SOUTH OF FLAGSTAFF... SPOTTER REPORTS OF HEAVY RAINFALL REQUESTED. A LARGE THUNDERSTORM COMPLEX OVER NORTHERN MEXICO PUSHED ADDITIONAL LOW LEVEL MOISTURE INTO NORTHERN ARIZONA LAST NIGHT. YAVAPAI AND GILA COUNTY HAD THE BEST INCREASES IN MOISTURE. DAYTIME HEATING AND INCREASING INSTABILITY WILL LEAD TO THE DEVELOPMENT OF AFTERNOON SHOWERS AND THUNDERSTORMS. THE STORMS WILL DEVELOP OVER THE MOGOLLON RIM...AND HIGHER TERRAIN IN YAVAPAI COUNTY...AS WELL AS THE HIGHER TERRAIN OF THE REMAINING PORTION OF NORTHERN ARIZONA. MID LEVEL WINDS SHOULD STEER THESE STORMS INTO THE VALLEY LOCATIONS OF YAVAPAI COUNTY AND NORTHERN GILA COUNTY LATER THIS AFTERNOON. SOME OF THESE STORMS WILL CONTAIN LOCALLY HEAVY DOWNPOURS AND SMALL HAIL. 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. MCGRATH
The office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 28, 2:57 PM MST | Severe Thunderstorm Warning | FGZ | Yavapai | 33 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.