Severe Thunderstorm Warning 134, NWS Denver/Boulder, CO

Issued

Aug 19, 2021, 3:44 PM MDT (21:44 UTC)

Expired

Aug 19, 2021, 4:15 PM MDT

In force

31 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Tornado

Possible

Hail

1.5 in

Wind

60.0 mph

Counties Adams County, CO, Arapahoe County, CO

The Denver radar (KFTG), 10 km from the middle of the area, began a volume at 21:45 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

257 
WUUS55 KBOU 192144
SVRBOU
COC001-005-192215-
/O.NEW.KBOU.SV.W.0134.210819T2144Z-210819T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
344 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...
  South central Adams County in northeastern Colorado...

* Until 415 PM MDT.

* At 344 PM MDT, a severe thunderstorm was located 5 miles south of
  Watkins, or 20 miles east of Denver, 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...
  Watkins around 350 PM MDT.
  Manila Village around 400 PM MDT.

Other locations in the path of this severe thunderstorm include
Bennett and Strasburg.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

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

&&

LAT...LON 3960 10455 3973 10466 3985 10447 3971 10436
TIME...MOT...LOC 2144Z 219DEG 18KT 3968 10456 

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

$$

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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.