Severe Thunderstorm Warning 113, NWS Denver/Boulder, CO

Issued

Jun 18, 2018, 10:23 PM MDT (04:23 UTC)

Expired

Jun 18, 2018, 11:00 PM MDT

In force

37 min

Issued by

NWS Denver/Boulder, CO

Area

Storm-based polygon

Hail

1.75 in

Wind

70.0 mph

Counties Logan County, CO, Washington County, CO

The Goodland radar (KGLD), 150 km from the middle of the area, began a volume at 04:24 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.

125 
WUUS55 KBOU 190423
SVRBOU
COC075-121-190500-
/O.NEW.KBOU.SV.W.0113.180619T0423Z-180619T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Denver CO
1023 PM MDT MON JUN 18 2018

The National Weather Service in Denver Colorado has issued a

* Severe Thunderstorm Warning for...
  Northeastern Washington County in northeastern Colorado...
  Southeastern Logan County in northeastern Colorado...

* Until 1100 PM MDT.

* At 1022 PM MDT, severe thunderstorms were located along a line
  extending from 5 miles southeast of Atwood to 5 miles northeast of
  Akron, or along a line extending from 10 miles south of Sterling to
  23 miles west of Yuma, moving east at 25 mph.

  HAZARD...Golf ball size hail and 70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings. People and animals 
           outdoors will be injured. Expect hail damage to roofs, 
           siding, windows, and vehicles.

* Locations impacted include...
  Lone Star and Burdett. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

These storms are producing severe winds and large damaging hail.
SEEK SHELTER NOW inside a sturdy structure and stay away from
windows!
 
&&

LAT...LON 4044 10278 4035 10278 4035 10280 4015 10279
      4020 10329 4048 10333 4053 10267 4044 10266
TIME...MOT...LOC 0422Z 272DEG 24KT 4049 10321 4022 10315 

HAIL...1.75IN
WIND...70MPH
 
$$

SCHLATTER

811 
WWUS55 KBOU 190442
SVSBOU

Severe Weather Statement
National Weather Service Denver CO
1042 PM MDT MON JUN 18 2018

COC075-121-190500-
/O.CON.KBOU.SV.W.0113.000000T0000Z-180619T0500Z/
Washington CO-Logan CO-
1042 PM MDT MON JUN 18 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM MDT
FOR NORTHEASTERN WASHINGTON AND SOUTHEASTERN LOGAN COUNTIES...

At 1042 PM MDT, severe thunderstorms were located along a line
extending from 6 miles northwest of Burdett to 9 miles north of
Platner, or along a line extending from 17 miles southeast of
Sterling to 13 miles northeast of Akron, moving east at 30 mph.

HAZARD...Golf ball size hail and 70 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile 
         homes, roofs, and outbuildings. People and animals outdoors 
         will be injured. Expect hail damage to roofs, siding, 
         windows, and vehicles.

Locations impacted include...
Lone Star and Burdett. 

LAT...LON 4044 10278 4035 10278 4035 10280 4015 10279
      4019 10322 4044 10324 4053 10267 4044 10266
TIME...MOT...LOC 0442Z 255DEG 25KT 4044 10301 4028 10302 

HAIL...1.75IN
WIND...70MPH
 
$$

SCHLATTER

Severe Thunderstorm Warnings in Colorado, 2018Every severe thunderstorm warning in 2018

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.