Tornado Warning 37, NWS Denver/Boulder, CO

Issued

Jul 27, 2018, 4:35 PM MDT (22:35 UTC)

Expired

Jul 27, 2018, 5:00 PM MDT

In force

25 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Tornado

Radar indicated

Hail

0.75 in

County Washington County, CO

The Denver radar (KFTG), 95 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.

848 
WFUS55 KBOU 272235
TORBOU
COC121-272300-
/O.NEW.KBOU.TO.W.0037.180727T2235Z-180727T2300Z/

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

The National Weather Service in Denver Colorado has issued a

* Tornado Warning for...
  South central Washington County in northeastern Colorado...

* Until 500 PM MDT.
    
* At 435 PM MDT, a severe thunderstorm capable of producing a tornado
  was located 7 miles south of Lindon, or 27 miles northeast of
  Limon, moving east at 15 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.

* This tornadic thunderstorm will remain over mainly rural areas of
  south central Washington 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 3957 10355 3971 10355 3970 10331 3957 10331
TIME...MOT...LOC 2235Z 279DEG 12KT 3963 10345 

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

$$

RPK

467 
WWUS55 KBOU 272247
SVSBOU

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

COC121-272300-
/O.CON.KBOU.TO.W.0037.000000T0000Z-180727T2300Z/
Washington CO-
447 PM MDT FRI JUL 27 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM MDT FOR SOUTH
CENTRAL WASHINGTON COUNTY...
    
At 447 PM MDT, a severe thunderstorm capable of producing a tornado
was located 7 miles south of Lindon, or 28 miles northwest of
Flagler, moving east at 15 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.

This tornadic thunderstorm will remain over mainly rural areas of
south central Washington 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 3957 10355 3971 10355 3970 10331 3957 10331
TIME...MOT...LOC 2247Z 279DEG 12KT 3962 10340 

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

$$

RPK

822 
WWUS55 KBOU 272253 RRA
SVSBOU

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

COC121-272303-
/O.EXP.KBOU.TO.W.0037.000000T0000Z-180727T2300Z/
Washington CO-
453 PM MDT FRI JUL 27 2018

...THE TORNADO WARNING FOR SOUTH CENTRAL WASHINGTON COUNTY WILL
EXPIRE AT 500 PM MDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

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

LAT...LON 3957 10355 3971 10355 3970 10331 3957 10331
TIME...MOT...LOC 2253Z 279DEG 12KT 3962 10337 

$$

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.