WW 692 SEVERE TSTM AZ 221055Z - 221800Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 692
NWS Storm Prediction Center Norman OK
355 AM MST Thu Oct 22 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Central and Eastern Arizona
* Effective this Thursday morning from 355 AM until 1100 AM MST.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Supercells should continue to develop and pose a threat
for mainly large hail generally around 1.0-1.75 inches in diameter
this morning as they move east-northeastward. Isolated 2+ inch
hailstones may occur with the most intense cores. Occasional
severe/damaging winds and perhaps a tornado or two also appear
possible.
The severe thunderstorm watch area is approximately along and 50
statute miles north and south of a line from 25 miles north
northwest of Gila Bend AZ to 35 miles east northeast of Safford AZ.
For a complete depiction of the watch see the associated watch
outline update (WOUS64 KWNS WOU2).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 691...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
22035.
...Gleason
WW 691 SEVERE TSTM AZ 220900Z - 221700Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 691
NWS Storm Prediction Center Norman OK
200 AM MST Thu Oct 22 2026
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern and Central Arizona
* Effective this Thursday morning from 200 AM until 1000 AM MST.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Isolated damaging wind gusts to 65 mph possible
A tornado or two possible
SUMMARY...Supercells should continue to pose some threat for large
hail generally up to 1.0-1.75 inches in diameter this morning, with
2+ inches possible on an isolated basis. The threat for a tornado or
two and occasional severe/damaging winds will also persist with any
supercell that can remain surface based.
The severe thunderstorm watch area is approximately along and 85
statute miles east and west of a line from 95 miles northeast of
Grand Canyon AZ to 75 miles southeast of Prescott AZ. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU1).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Severe Thunderstorm Watch means conditions are
favorable for severe thunderstorms in and close to the watch area.
Persons in these areas should be on the lookout for threatening
weather conditions and listen for later statements and possible
warnings. Severe thunderstorms can and occasionally do produce
tornadoes.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 690...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 55 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
22035.
...Gleason
WW 0692 Status Updates
STATUS FOR WATCH 0692 HAS NOT BEEN ISSUED YET
WW 0691 Status Updates
STATUS REPORT ON WW 691
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..KERR..10/22/26
ATTN...WFO...FGZ...
STATUS REPORT FOR WS 691
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
AZC001-005-017-025-221240-
AZ
. ARIZONA COUNTIES INCLUDED ARE
APACHE COCONINO NAVAJO
YAVAPAI
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
WW 0690 Status Updates
STATUS REPORT ON WW 690
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
A NEW WW WILL BE ISSUED SHORTLY.
..KERR..10/22/26
ATTN...WFO...FGZ...
STATUS REPORT FOR WS 690
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
AZC001-005-017-025-220900-
AZ
. ARIZONA COUNTIES INCLUDED ARE
APACHE COCONINO NAVAJO
YAVAPAI
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
MD 2396 CONCERNING SEVERE THUNDERSTORM WATCH 691...692... FOR PORTIONS OF CENTRAL/EASTERN ARIZONA...NEAR AND SOUTH OF THE MOGOLLON RIM
Mesoscale Discussion 2396
NWS Storm Prediction Center Norman OK
0740 AM CDT Thu Oct 22 2026
Areas affected...portions of central/eastern Arizona...near and
south of the Mogollon Rim
Concerning...Severe Thunderstorm Watch 691...692...
Valid 221240Z - 221445Z
The severe weather threat for Severe Thunderstorm Watch 691, 692
continues.
SUMMARY...A period of intensifying thunderstorm development,
including a couple of evolving supercells with potential to produce
large hail, locally damaging wind gusts and at least some risk for a
tornado, still appears possible through 7-9 AM MST.
DISCUSSION...Strongest recent thunderstorm development has been
focused near and just south of the Mogollon Rim, east of Phoenix
northward into the Show Low vicinity. However, objective analysis
indicates that a corridor of better boundary-layer instability
lingers to the west, south/southwest of Flagstaff into the Greater
Phoenix area, where surface dew points have increased a bit into the
upper 60s F, as a prominent upstream mid-level trough axis slowly
pivots toward the region. Associated forcing for ascent, coupled
with at least some boost to potential instability (including
near-surface buoyancy) associated with the gradual onset of diurnal
heating, could still support a period of intensifying thunderstorm
development through 14-16Z. In the presence of strong continuing
deep-layer shear, this may including evolving supercells posing a
risk for large hail, locally damaging wind gusts, and perhaps a risk
for a tornado or two.
..Kerr.. 10/22/2026
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...TWC...FGZ...PSR...
LAT...LON 33751216 34431241 35161175 34451035 33950969 32901065
33141202 33751216
MOST PROBABLE PEAK TORNADO INTENSITY...85-110 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN
Day 4-8 Outlook
Day 4-8 Convective Outlook
NWS Storm Prediction Center Norman OK
0255 AM CDT Thu Oct 22 2026
Valid 251200Z - 301200Z
...DISCUSSION...
A progressive upper-air pattern is expected through much of next
week, with multiple mid-level troughs expected to traverse the
central and northern CONUS through the extended period. Surface
troughing will accompany several of these passing upper waves,
encouraging the development of at least scattered showers and
thunderstorms. However, deterministic medium-range guidance shows
minimal convective instability associated with these surface
troughs, which should limit the potential for severe thunderstorms
into next week.
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