Alert archive / Arizona / Severe Thunderstorm Warnings in 2019
Severe Thunderstorm Warning 21, NWS Flagstaff, AZ
NWS Flagstaff, AZ issued this severe thunderstorm warning at Aug 2, 2019, 4:07 PM MST for Coconino County, Yavapai County, Arizona. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 2, 2019, 4:07 PM MST (23:07 UTC)
- Expired
- Aug 2, 2019, 4:30 PM MST
- In force
- 23 min
- Issued by
- NWS Flagstaff, AZ
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Coconino County, AZ, Yavapai County, AZ
The radar
The Flagstaff radar (KFSX), 51 km from the middle of the area, began a volume at 23:10 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.
The nearest sounding before it
Flgstf/Belemont, AZ (KFGZ), launched 12:00Z, 11.1 hours before the alert went out and 50 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
- 94 J/kg
- Mixed-layer CIN
- -108 J/kg
- Mixed-layer LCL
- 1768 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 25 m²/s²
- 0-3 km storm-relative helicity
- 54 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
479
WUUS55 KFGZ 022307
SVRFGZ
AZC005-025-022330-
/O.NEW.KFGZ.SV.W.0021.190802T2307Z-190802T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Flagstaff AZ
407 PM MST Fri Aug 2 2019
The National Weather Service in Flagstaff has issued a
* Severe Thunderstorm Warning for...
Yavapai County in west central Arizona...
Coconino County in north central Arizona...
* Until 430 PM MST.
* At 406 PM MST, a severe thunderstorm was located over Village At
Oak Creek, or 7 miles southeast of Sedona, moving northwest at 10
mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Village At Oak Creek.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3478 11161 3470 11173 3480 11182 3488 11167
TIME...MOT...LOC 2306Z 129DEG 7KT 3477 11171
HAIL...1.00IN
WIND...60MPH
$$
TPSThe office that day
Everything else NWS Flagstaff, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 5:47 PM MST | Severe Thunderstorm Warning | FGZ | Navajo | 28 min |
| Aug 1, 6:00 PM MST | Flash Flood Warning | FGZ | Apache, Navajo | 119 min |
| Aug 1, 6:48 PM MST | Flash Flood Warning | FGZ | Yavapai | 117 min |
| Aug 2, 1:43 PM MST | Special Weather Statement | FGZ | 32 min | |
| Aug 2, 2:08 PM MST | Severe Thunderstorm Warning | FGZ | Coconino | 25 min |
| Aug 2, 2:40 PM MST | Special Weather Statement | FGZ | 35 min | |
| Aug 2, 3:17 PM MST | Flash Flood Warning | FGZ | Coconino | 118 min |
| Aug 2, 3:49 PM MST | Flash Flood Warning | FGZ | Gila | 3 hr |
| Aug 2, 3:57 PM MST | Special Weather Statement | FGZ | 33 min | |
| Aug 2, 4:33 PM MST | Special Weather Statement | FGZ | 27 min | |
| Aug 2, 4:50 PM MST | Severe Thunderstorm Warning | FGZ | Coconino, Gila, Yavapai | 40 min |
| Aug 2, 4:54 PM MST | Flash Flood Warning | FGZ | Gila, Navajo | 3 hr |
Nearby
Severe Thunderstorm Warnings in Arizona, 2019Every severe thunderstorm warning in 2019
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.