Tornado Warning 39, NWS Denver/Boulder, CO

Issued

Aug 19, 2021, 4:34 PM MDT (22:34 UTC)

Expired

Aug 19, 2021, 5:00 PM MDT

In force

26 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Tornado

Radar indicated

Hail

1.0 in

County Phillips County, CO

The Goodland radar (KGLD), 134 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.

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

498 
WFUS55 KBOU 192234
TORBOU
COC095-192300-
/O.NEW.KBOU.TO.W.0039.210819T2234Z-210819T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
434 PM MDT Thu Aug 19 2021

The National Weather Service in Denver Colorado has issued a

* Tornado Warning for...
  Southeastern Phillips County in northeastern Colorado...

* Until 500 PM MDT.
    
* At 434 PM MDT, a severe thunderstorm capable of producing a tornado
  was located near Pleasant Valley, or 10 miles southeast of Holyoke,
  moving northeast at 25 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Pleasant Valley around 440 PM MDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4044 10221 4063 10224 4066 10205 4044 10205
TIME...MOT...LOC 2234Z 227DEG 22KT 4051 10212 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

RPK

952 
WWUS55 KBOU 192246
SVSBOU

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

COC095-192300-
/O.CON.KBOU.TO.W.0039.000000T0000Z-210819T2300Z/
Phillips CO-
446 PM MDT Thu Aug 19 2021

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM MDT FOR
SOUTHEASTERN PHILLIPS COUNTY...
    
At 446 PM MDT, a severe thunderstorm capable of producing a tornado
was located over Pleasant Valley, or 11 miles east of Holyoke, moving
northeast at 20 mph.

HAZARD...Tornado and half dollar size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
southeastern Phillips County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4044 10221 4063 10224 4066 10205 4044 10205
TIME...MOT...LOC 2246Z 213DEG 16KT 4056 10208 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN

$$

RPK

Tornado Warnings in Colorado, 2021Every tornado warning in 2021Tornadoes 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.