Severe Thunderstorm Warning 7, NWS Flagstaff, AZ

Issued

Apr 23, 1997, 5:06 PM MST (00:06 UTC)

Expired

Apr 23, 1997, 5:50 PM MST

In force

44 min

Issued by

NWS Flagstaff, AZ

Area

Whole counties

County Apache County, AZ

The Flagstaff radar (KFSX), 181 km from the middle of the area, began a volume at 00:10 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.

583 
WUUS1 KFLG 240009 RRA
SVRFLG
AZC001-017-240050-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
506 PM MST WED APR 23 1997

THE NATIONAL WEATHER SERVICE IN FLAGSTAFF HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 550 PM MST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHEAST ARIZONA

   ...NORTH CENTRAL APACHE COUNTY
   ...NORTH CENTRAL NAVAJO COUNTY

AT 504 PM MST NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
CLUSTER OF SEVERE STORMS EXTENDING FROM WHITE CONE TO 15 MILES
WEST OF WHITE CONE.

THE STORMS ARE MOVING EAST AT 45 MPH AND WILL MOVE THROUGH WHITE
CONE AND APPROACH GANADO WITHIN THE NEXT 45 MINUTES.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.  FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS.

NWS Flagstaff, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 23, 2:16 PM MST, 2 hours 50 minutes earlier.

NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
205 PM MST WED APR 23 1997

WIND ADVISORY VERIFIES NICELY TAFTN AND SHOULD BE FINE TO CONT
INTO THIS EVENING. SCT SHOWERS AND A FEW THUNDERSTORMS MOVING OVR FAR
NORTH AS PROGGED BY MSO-ETA...THIS MODEL DROPS PCPN DOWN TO
SOUTH/SOUTHEAST LATER IN EVENING WITH NEXT POKE OF VORT ENERGY
HEADING THROUGH NV RIGHT NOW. UVV FIELDS AND VORT ENERGY BEST TONIGHT
AND THURSDAY...GENERALLY FROM RIM EASTWARD. FEEL WITH THIS VIGOROUS
SYSTEM AND INSTABILTY THAT POPS ON THE HIGH SIDE OF SCT GOOD FOR MOST
AREAS LATER TONIGHT AND THU. WILL GO LIKELY IN FAR EASTERN MTNS WHERE
ORAGRAPHICS AND INSTABLITY LINGER LONGEST. QPF FROM MSO-ETA FOCUSES
ON THIS AREA NEXT 24 HOURS.

PROBLEM THIS PACKAGE...SNOW LEVELS AND QUESTION TO EXPAND WND ADV TO
GCN AREA. NOSE OF JET FURTHER SOUTH THAN GCN AND UVV BEST OVR NW THRU
AFTN. STILL...WINDS ARE APPROACHING ADV CRITERIA AT GCN. SO WILL SEND
345 PM PACKAGE WITH EXPANSION OF WND ADV. CALLED KAYENTA AND WINDS
NOTHING SPECIAL THERE SO WILL OPT TO LEAVE OUT NORTHEAST. DO NOT
EXPECT INW WINDS TO BE SUSTAINED AT 40 MPH LONG ENOUGH TO JUSTIY
WARNING JUST YET.

SNOW LEVELS EXPECTED TO REMAIN RELATIVELY HIGH BASED MAINLY ON TIME
OF YEAR...WILL GO AS LOW AS 5500 IN NW TO 6500 FT EAST CENTRAL DURING
NIGHT...RAISE 500-1000 FT FOR DAYTIME HOURS. NO REAL MENTION OF
ACCUMULATION AS SFC TEMPS OVR CWA SHOULD PREVENT ANYTHING SIGNIF
BELOW 8000 FT.

FLG 5533  INW 1211
BET
FLG...WIND ADVISORY UNTIL 9 PM ZONES 4..6>8...12>18.

Severe Thunderstorm Warnings in Arizona, 1997Every severe thunderstorm warning in 1997

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.