Tornado Warning 34, NWS Denver/Boulder, CO

Issued

Jul 27, 2018, 3:43 PM MDT (21:43 UTC)

Expired

Jul 27, 2018, 4:15 PM MDT

In force

32 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Tornado

Radar indicated

Hail

0.75 in

County Washington County, CO

The Goodland radar (KGLD), 120 km from the middle of the area, began a volume at 21:47 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.

587 
WFUS55 KBOU 272143
TORBOU
COC121-272215-
/O.NEW.KBOU.TO.W.0034.180727T2143Z-180727T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Denver CO
343 PM MDT FRI JUL 27 2018

The National Weather Service in Denver Colorado has issued a

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

* Until 415 PM MDT.
    
* At 343 PM MDT, a severe thunderstorm capable of producing a tornado
  was located near Arickaree School, or 27 miles north of Flagler,
  moving southeast at 30 mph.

  HAZARD...Tornado.

  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.

* Locations impacted include...
  Arickaree School, Cope and Anton. 

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 3957 10321 3979 10323 3981 10280 3957 10280
TIME...MOT...LOC 2143Z 326DEG 26KT 3970 10304 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

RPK

597 
WWUS55 KBOU 272156
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
356 PM MDT FRI JUL 27 2018

COC121-272215-
/O.CON.KBOU.TO.W.0034.000000T0000Z-180727T2215Z/
Washington CO-
356 PM MDT FRI JUL 27 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM MDT FOR
SOUTHEASTERN WASHINGTON COUNTY...
    
At 355 PM MDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southwest of Cope, or 23 miles north of Seibert,
moving southeast at 30 mph.

HAZARD...Tornado.

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.

Locations impacted include...
Cope.

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 3957 10321 3973 10321 3974 10280 3957 10280
TIME...MOT...LOC 2155Z 326DEG 26KT 3962 10297 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

RPK

006 
WWUS55 KBOU 272211
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
411 PM MDT FRI JUL 27 2018

COC121-272221-
/O.EXP.KBOU.TO.W.0034.000000T0000Z-180727T2215Z/
Washington CO-
411 PM MDT FRI JUL 27 2018

...THE TORNADO WARNING FOR SOUTHEASTERN WASHINGTON COUNTY WILL EXPIRE
AT 415 PM MDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 PM MDT for northeastern
Colorado.

LAT...LON 3957 10321 3973 10321 3974 10280 3957 10280
TIME...MOT...LOC 2211Z 326DEG 26KT 3953 10289 

$$

RPK

Tornado Warnings in Colorado, 2018Every tornado warning in 2018Tornadoes in 2018

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.