4:40 p.m.
WWUS85 KBOU 182239
SPSBOU
Special Weather Statement
National Weather Service Denver CO
439 PM MDT Tue Jun 18 2019
COZ039-040-043-182300-
Central and South Weld County CO-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County
CO-
North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe
Counties/East Broomfield County CO-
439 PM MDT Tue Jun 18 2019
...Brief Landspout Tornadoes Possible...
At 437 PM MDT, conditions are becoming favorable for the development
of landspout tornadoes in and close to the and area of thunderstorms
moving southeastward at 25 mph across southwestern weld county.
However, at this time it is unknown which if any storm would produce
a landspout. Any landspouts which develop are expected to pose a
limited threat.
Locations impacted include...
Thornton, northeastern Westminster, Longmont, northeastern
Broomfield, northern Commerce City, northeastern Northglenn,
Brighton, Lafayette, Erie, Firestone, Frederick, Fort Lupton,
Lochbuie, Dacono, Mead, Platteville, Barr Lake, Todd Creek and Niwot.
Landspout tornadoes can form with a developing thunderstorm before
rain, hail, and even thunder is observed. Landspout tornadoes are not
usually associated with a wall cloud and are often difficult to
detect with weather radar.
&&
LAT...LON 3996 10506 4010 10515 4021 10509 4023 10496
4022 10481 4009 10470 3994 10472 3988 10492
$$
RJK