Severe Thunderstorm Warning 146, NWS Denver/Boulder, CO

Issued

Aug 19, 2021, 5:34 PM MDT (23:34 UTC)

Expired

Aug 19, 2021, 6:00 PM MDT

In force

26 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Hail

1.5 in

Wind

60.0 mph

County Phillips County, CO

The Goodland radar (KGLD), 136 km from the middle of the area, began a volume at 23:34 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.

538 
WUUS55 KBOU 192334
SVRBOU
COC095-200000-
/O.NEW.KBOU.SV.W.0146.210819T2334Z-210820T0000Z/

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

The National Weather Service in Denver Colorado has issued a

* Severe Thunderstorm Warning for...
  Southeastern Phillips County in northeastern Colorado...

* Until 600 PM MDT.

* At 534 PM MDT, a severe thunderstorm was located 5 miles southwest
  of Pleasant Valley, or 9 miles southeast of Holyoke, moving
  northeast at 20 mph.

  HAZARD...Ping pong ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees. People and 
           animals outdoors will be injured. Expect hail damage to 
           roofs, siding, windows, and vehicles.

* This severe thunderstorm will be near...
  Pleasant Valley around 550 PM MDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Tornado Watch remains in effect until 1100 PM MDT for northeastern
Colorado.

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.

A Tornado Watch remains in effect until 1100 PM MDT for northeastern
Colorado.

&&

LAT...LON 4044 10224 4064 10231 4071 10205 4044 10205
TIME...MOT...LOC 2334Z 220DEG 17KT 4050 10217 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

RPK

114 
WWUS55 KBOU 192356
SVSBOU

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

COC095-200006-
/O.EXP.KBOU.SV.W.0146.000000T0000Z-210820T0000Z/
Phillips CO-
556 PM MDT Thu Aug 19 2021

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN PHILLIPS COUNTY
WILL EXPIRE AT 600 PM MDT...
                
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 will be allowed to expire.  However small
hail, gusty winds and heavy rain are still possible with this
thunderstorm.

A Tornado Watch remains in effect until 1100 PM MDT for northeastern
Colorado.

LAT...LON 4044 10224 4064 10231 4071 10205 4044 10205
TIME...MOT...LOC 2356Z 220DEG 17KT 4058 10208 

$$

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.