A thunderstorm produced hail in and around Sedona.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS FGZ wrote it up.
A thunderstorm produced hail in and around Sedona.
The local office's own words before the first event, 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 the first event at Sep 16, 9:39 AM MST, 1 hour 51 minutes earlier.
Area Forecast Discussion National Weather Service Flagstaff AZ 939 AM MST Mon Sep 16 2019 .SYNOPSIS...Moisture will remain in place across northern Arizona today as a low pressure system moves into the Great Basin. The result will be a chance for showers and thunderstorms through this evening, along with strengthening southwest winds. Drier and breezier conditions are forecast for Tuesday and Wednesday. && .UPDATE...The trough moving onto the west coast this morning continues to pull low-level moisture northward into central and northern Arizona. Some isolated shower and thunderstorm activity is already developing from around Prescott up to near Williams and Bellemont. Still expecting storm coverage to increase into the afternoon and early evening, with the highest coverage along/east of a Prescott to Flagstaff to four corners line. Best instability is forecast over Gila and southern Yavapai counties where a few stronger storms with hail and gusty winds could develop. Winds at the surface and aloft have increased this morning, and storms will be moving toward the northeast at around 20 mph. && .PREV DISCUSSION /352 AM MST/...Satellite indicates mid-level clouds from about I-17/US 89 westward, with an area of lower clouds near the New Mexico state line. Surface observations and ADOT web cameras are indicating just lower clouds with no appreciable fog, but patchy fog has been added to a few spots in eastern Arizona through 8 am MST just in case it develops as the low clouds dissipate. For today...SPC mesoanalysis indicates an area of instability across much of Yavapai County at present. Hi-res models indicate the possibility of a few storms over this area through the morning. Coverage of showers and storms is expected to increase to the north and east after about noon, with some training storms possible given the increase in southwesterly winds. Tuesday and Wednesday...HREF mean QPF is much less on Tuesday than on Monday, with a few storms possible in the afternoon but fairly weak in nature given the expected drying. Southwest wind gusts to around 35 mph are forecast along the Mogollon Rim and Coconino Plateau on both Tuesday and Wednesday as another low pressure system drops from the Pacific Northwest into the Great Basin. Temperatures will be near to slightly above normal. From Thursday onward...the strongest winds of the week are forecast for Thursday with gusts in excess of 40 mph expected, along with a chance for precipitation especially in eastern Arizona. Cooler temperatures are expected Thursday as the trough gets closer. Friday through Sunday, a general westerly flow is expected with some weak disturbances perhaps moving through. Frost and even some local freezing temperatures will be possible at high elevations through this period. Low rain chances appear again toward the early part of next week. && .AVIATION...For the 18Z package...Isolated to scattered SHRA/TSRA are expected through this evening with the higher coverage along/east of a KPRC-KFLG-KOV7 line. Gusty winds to 35 kt and decreased visibility near the strongest storms. Otherwise, VFR conditions are forecast through 18z Tuesday. Aviation discussion not updated for TAF amendments. && .FIRE WEATHER...Moisture will remain over northern Arizona today with a chance for showers and thunderstorms during the afternoon and evening. Southwest winds will increase from today into Tuesday which will promote drying. Much lower storm coverage is expected on Tuesday. Wednesday through Friday...Near critical fire weather conditions will be possible across portions of northwestern Arizona Wednesday and Thursday due to gusty southwest winds and low relative humidity. A chance of precipitation returns Thursday to mainly eastern Arizona. && .FGZ WATCHES/WARNINGS/ADVISORIES...NONE. && PUBLIC...JJ/AT AVIATION...JJ FIRE WEATHER...JJ For Northern Arizona weather information visit weather.gov/flagstaff
Special Weather Statement National Weather Service Flagstaff AZ 1114 AM MST Mon Sep 16 2019 AZZ015-037-038-161845- Yavapai County Valleys and Basins-Western Mogollon Rim-Oak Creek and Sycamore Canyons- 1114 AM MST Mon Sep 16 2019 ...SIGNIFICANT WEATHER ADVISORY FOR SEDONA IN YAVAPAI COUNTY AND PORTIONS OF COCONINO COUNTIES UNTIL 1145 AM MST... At 1112 AM MST, Doppler radar was tracking a strong thunderstorm near Page Springs, or near Sedona, moving northeast at 25 mph. Penny size hail and wind gusts up to 50 mph will be possible with this storm. Locations impacted include... Sedona, Junipine Resort, Garland's Oak Creek Lodge, Slide Rock State Park, Red Rock State Park, Manzanita Campground and West Fork Of Oak Creek. LAT...LON 3477 11194 3487 11201 3501 11177 3484 11164 TIME...MOT...LOC 1812Z 240DEG 22KT 3483 11188 ET
The Flagstaff radar (KFSX), 59 km away, was scanning. The volume nearest the first event began at 18:28 UTC.
1 hail. Local standard time, as filed.
Nickle to possibly quarter sized hail fell in Sedona between Bell Rock and Uptown.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Arizona in 2019Every state in 2019This day in weather historyWarnings in Arizona, September 2019
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 857073.