Alert archive / Arizona / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 37, NWS Flagstaff, AZ

August 8, 1997Coconino County, Arizona

NWS Flagstaff, AZ issued this severe thunderstorm warning at Aug 8, 1997, 12:25 PM MST for Coconino County, Arizona. It was in force for 55 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 8, 1997, 12:25 PM MST (19:25 UTC)
Expired
Aug 8, 1997, 1:20 PM MST
In force
55 min
Issued by
NWS Flagstaff, AZ
Area
Whole counties

County Coconino County, AZ

The radar

The Flagstaff radar (KFSX), 150 km from the middle of the area, began a volume at 19:26 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.

What was reported inside it

TimeReportWhereRemark
Aug 8, 1:00 PM MSTHail 1Flagstaff, AZThree public reports were received of one inch diameter hail in the western sections of Flagstaff. Also in conjunction to this report a weather spotter reported minor street flooding in Flagstaff shortly after the hail.

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 text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 7, 2:30 PM MST, 21 hours 55 minutes earlier.

Area forecast discussion, Aug 7, 2:30 PM MST, 21 hours 55 minutes before
NORTHERN ARIZONA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FLAGSTAFF AZ
230 PM MST THU AUG 07 1997

TSTMS FIRING OVER YAVAPAI COUNTY AS THESE AREAS FINALLY REACHED
CONVECTIVE TEMP WITH ENUF LOW LVL MOISTURE...PRETTY MUCH AS EXPECTED
THO A HOUR OR SO EARLY. BLV DVGNC ALOFT ONE OF THE REASONS ITS FIRING
HERE...MORE SO THAN ERN RIM AND WHITE MTNS. TSTMS SHOULD DSPT AFTER
SUNSET...THO HAIL WILL APPROACH SVR SIZE WITH A FEW BARELY REACHING
SVR CRITERIA LATE THIS AFTN.

NEXT TWO DAYS DONT LOOK PARTICULARLY INTERESTING...THO WILL HAVE TO
WATCH LOW LVL MSTR SEEPING IN FROM S AND W ALONG WRN AZ BORDER. WITH
RDG PROJECTED TO SHIFT SLOWLY SE...DOOR MAY BE OPENED FOR THIS MSTR
TO SPREAD FURTHER EAST. IS ENUF TO INTRODUCE SLGT CHC FOR TSTMS OVER
THE HILLS FRI AND SAT. FLG0112 INW0001 CUOCO

FLG...NONE

The office that day

Everything else NWS Flagstaff, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 8, 1:24 PM MSTSevere Thunderstorm WarningFGZCoconino41 min

Nearby

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

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; radar from the NEXRAD Level II archive.