Severe Thunderstorm Warning 142, NWS Denver/Boulder, CO

Issued

Aug 19, 2021, 4:32 PM MDT (22:32 UTC)

Expired

Aug 19, 2021, 5:00 PM MDT

In force

28 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Damage threat

Considerable

Hail

1.0 in

Wind

70.0 mph

County Arapahoe County, CO

The Denver radar (KFTG), 29 km from the middle of the area, began a volume at 22:35 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.

617 
WUUS55 KBOU 192232
SVRBOU
COC005-192300-
/O.NEW.KBOU.SV.W.0142.210819T2232Z-210819T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
432 PM MDT Thu Aug 19 2021

The National Weather Service in Denver Colorado has issued a

* Severe Thunderstorm Warning for...
  Central Arapahoe County in northeastern Colorado...

* Until 500 PM MDT.

* At 432 PM MDT, a severe thunderstorm was located 4 miles south of
  Byers, or 37 miles east of Denver, moving east at 35 mph.

  HAZARD...70 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings. Hail damage to 
           vehicles is expected.

* This severe thunderstorm will remain over mainly rural areas of
  central Arapahoe County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3974 10434 3974 10406 3957 10412 3956 10437
TIME...MOT...LOC 2232Z 255DEG 29KT 3964 10425 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

RPK

122 
WWUS55 KBOU 192301
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
501 PM MDT Thu Aug 19 2021

COC005-192310-
/O.EXP.KBOU.SV.W.0142.000000T0000Z-210819T2300Z/
Arapahoe CO-
501 PM MDT Thu Aug 19 2021

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL ARAPAHOE COUNTY HAS
EXPIRED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been allowed to expire.  However small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.

A Severe Thunderstorm Watch remains in effect until 800 PM MDT for
northeastern and east central Colorado.

LAT...LON 3974 10434 3974 10406 3957 10412 3956 10437
TIME...MOT...LOC 2300Z 255DEG 29KT 3970 10397 

$$

RPK

Severe Thunderstorm Warnings in Colorado, 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.