Severe Thunderstorm Warning 86, NWS Flagstaff, AZ

Issued

Aug 1, 2021, 4:38 PM MST (23:38 UTC)

Expired

Aug 1, 2021, 5:15 PM MST

In force

37 min

Issued by

NWS Flagstaff, AZ

Area

Storm-based polygon

Hail

1.0 in

Wind

60.0 mph

Counties Apache County, AZ, Navajo County, AZ

The Flagstaff radar (KFSX), 157 km from the middle of the area, began a volume at 23:38 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.

597 
WUUS55 KFGZ 012338
SVRFGZ
AZC001-017-020015-
/O.NEW.KFGZ.SV.W.0086.210801T2338Z-210802T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Flagstaff AZ
538 PM MDT Sun Aug 1 2021

The National Weather Service in Flagstaff has issued a

* Severe Thunderstorm Warning for...
  Apache County in northeastern Arizona...
  Navajo County in north central Arizona...

* Until 615 PM MDT.

* At 537 PM Navajo Nation time, a severe thunderstorm was located 12 
  miles south of Greasewood Springs, or 38 miles southeast of Keams 
  Canyon, 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...
  Greasewood Springs and Greasewood. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3537 10965 3526 10977 3537 11005 3556 10983
TIME...MOT...LOC 2337Z 124DEG 7KT 3536 10979 

HAIL...1.00IN
WIND...60MPH
 
$$

TM

458 
WWUS55 KFGZ 012356
SVSFGZ

Severe Weather Statement
National Weather Service Flagstaff AZ
556 PM MDT Sun Aug 1 2021

AZC001-017-020015-
/O.CON.KFGZ.SV.W.0086.000000T0000Z-210802T0015Z/
Apache-Navajo-
556 PM MDT Sun Aug 1 2021

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM MDT
FOR THE GREASEWOOD AREA IN APACHE AND NAVAJO COUNTIES...

At 556 PM MDT, a severe thunderstorm was located 13 miles southeast
of Greasewood Springs, or 40 miles southeast of Keams Canyon, and is
nearly stationary.

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.

This severe thunderstorm will remain over mainly rural areas of
Apache and Navajo Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 3537 10965 3526 10977 3535 10992 3556 10983
TIME...MOT...LOC 2356Z 245DEG 1KT 3535 10976 

HAIL...1.00IN
WIND...60MPH
 
$$

TM

093 
WWUS55 KFGZ 020015
SVSFGZ

Severe Weather Statement
National Weather Service Flagstaff AZ
615 PM MDT Sun Aug 1 2021

AZC001-017-020025-
/O.EXP.KFGZ.SV.W.0086.000000T0000Z-210802T0015Z/
Apache-Navajo-
615 PM MDT Sun Aug 1 2021

...THE SEVERE THUNDERSTORM WARNING FOR THE GREASEWOOD AREA IN APACHE 
AND NAVAJO COUNTIES HAS
EXPIRED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been allowed to expire.  However small
hail is still possible with this thunderstorm.

LAT...LON 3537 10965 3526 10977 3535 10992 3556 10983
TIME...MOT...LOC 0015Z 124DEG 7KT 3537 10979 

$$

TM

Severe Thunderstorm Warnings in Arizona, 2021Every severe thunderstorm warning in 2021

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.