Alert archive / Colorado / Severe Thunderstorm Warnings in 2024

Severe Thunderstorm Warning 78, NWS Denver/Boulder, CO

June 1, 2024Logan County, Washington County, Colorado

NWS Denver/Boulder, CO issued this severe thunderstorm warning at Jun 1, 2024, 5:43 PM MDT for Logan County, Washington County, Colorado. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 1, 2024, 5:43 PM MDT (23:43 UTC)
Expired: Jun 1, 2024, 6:30 PM MDT
In force: 47 min
Issued by: NWS Denver/Boulder, CO
Area: Storm-based polygon
Damage threat: Considerable
Hail: 1.75 in
Wind: 60.0 mph

Counties Logan County, CO, Washington County, CO

The radar

The Denver radar (KFTG), 134 km from the middle of the area, began a volume at 23:46 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 1, 2:00 PM MDT	Severe Thunderstorm Watch	SPC	6 hr

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 1, 3:08 PM MDT, 2 hours 35 minutes earlier.

Area forecast discussion, Jun 1, 3:08 PM MDT, 2 hours 35 minutes before

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Hazardous weather outlook, Jun 1, 11:01 AM MDT, 6 hours 42 minutes before

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
1101 AM MDT Sat Jun 1 2024

COZ030>051-021715-
Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
1101 AM MDT Sat Jun 1 2024

This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...Today and Tonight

A few severe thunderstorms will be possible across the eastern plains
late this afternoon and evening. The main severe weather threat
will be along and east of a line from Fort Morgan to Limon. Large
hail and damaging winds will be the primary threats, although an
isolated tornado can't be ruled out.

.DAYS TWO THROUGH SEVEN...Sunday through Friday

Dry conditions are expected over the forecast area for much of
the coming week. A chance of afternoon and evening showers and
thunderstorms will return on Friday. Temperatures look to be above
seasonal normals all week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required after 3 pm, mainly over the
rural eastern plains.

In the hours before

Special weather statement, Jun 1, 3:18 PM MDT, 2 hours 25 minutes before

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Special weather statement, Jun 1, 3:25 PM MDT, 2 hours 18 minutes before

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Special weather statement, Jun 1, 4:16 PM MDT, 1 hour 27 minutes before

Special Weather Statement
National Weather Service Denver CO
416 PM MDT Sat Jun 1 2024

COZ048-012300-
Logan County CO-
416 PM MDT Sat Jun 1 2024

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN LOGAN COUNTY
THROUGH 500 PM MDT...

At 416 PM MDT, Doppler radar was tracking a strong thunderstorm near
Lorenzo, or 9 miles south of Sidney, moving east at 15 mph.

HAZARD...Half inch hail.

SOURCE...Radar indicated.

IMPACT...Minor hail damage to vegetation is possible.

Locations impacted include...
Twin Buttes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 4086 10267 4095 10311 4100 10310 4100 10266
TIME...MOT...LOC 2216Z 278DEG 13KT 4100 10300

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...<30 MPH

MENSCH

Special weather statement, Jun 1, 4:26 PM MDT, 1 hour 17 minutes before

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Special weather statement, Jun 1, 4:29 PM MDT, 1 hour 14 minutes before

Special Weather Statement
National Weather Service Denver CO
429 PM MDT Sat Jun 1 2024

COZ048-012315-
Logan County CO-
429 PM MDT Sat Jun 1 2024

...A STRONG THUNDERSTORM WILL IMPACT CENTRAL LOGAN COUNTY THROUGH 515
PM MDT...

At 428 PM MDT, Doppler radar was tracking a strong thunderstorm 5
miles south of North Sterling Reservoir, or 6 miles north of
Sterling, moving northeast at 10 mph.

HAZARD...Wind gusts up to 40 mph and half inch hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor hail damage to vegetation is
         possible.

Locations impacted include...
Iliff and Padroni.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

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

&&

LAT...LON 4064 10318 4072 10332 4091 10312 4078 10291
TIME...MOT...LOC 2228Z 209DEG 9KT 4070 10324

MAX HAIL SIZE...0.50 IN
MAX WIND GUST...40 MPH

MENSCH

Local storm report, Jun 1, 5:41 PM MDT, 2 minutes before

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The office that day

Everything else NWS Denver/Boulder, CO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 31, 6:03 PM MDT	Severe Thunderstorm Warning Destructive damage threat	BOU	Elbert, Lincoln	27 min
May 31, 6:28 PM MDT	Severe Thunderstorm Warning Destructive damage threat	BOU	Elbert, Lincoln	32 min
May 31, 6:30 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	30 min
May 31, 6:54 PM MDT	Severe Thunderstorm Warning	BOU	Douglas, Elbert	36 min
May 31, 6:57 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Lincoln	33 min
May 31, 7:27 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Lincoln	48 min
May 31, 7:42 PM MDT	Severe Thunderstorm Warning	BOU	Elbert	33 min
May 31, 8:11 PM MDT	Severe Thunderstorm Warning	BOU	Elbert, Lincoln	34 min
May 31, 8:13 PM MDT	Severe Thunderstorm Warning Considerable damage threat	BOU	Lincoln	47 min
May 31, 8:22 PM MDT	Areal Flood Advisory	BOU	Elbert, Lincoln	3 hr
May 31, 9:17 PM MDT	Special Weather Statement	BOU	Lincoln	28 min
May 31, 9:31 PM MDT	Severe Thunderstorm Warning	BOU	Lincoln	22 min
Jun 1, 12:59 PM MDT	Special Weather Statement	BOU	Elbert	46 min
Jun 1, 1:49 PM MDT	Special Weather Statement	BOU	Elbert	41 min
Jun 1, 3:01 PM MDT	Special Weather Statement	BOU	Washington	44 min
Jun 1, 3:18 PM MDT	Special Weather Statement	BOU	Washington	42 min
Jun 1, 4:16 PM MDT	Special Weather Statement	BOU	Logan	44 min
Jun 1, 4:26 PM MDT	Special Weather Statement	BOU	Logan	49 min
Jun 1, 4:29 PM MDT	Special Weather Statement	BOU	Logan	46 min
Jun 1, 4:40 PM MDT	Severe Thunderstorm Warning	BOU	Washington	50 min
Jun 1, 4:49 PM MDT	Severe Thunderstorm Warning	BOU	Logan	41 min
Jun 1, 5:18 PM MDT	Severe Thunderstorm Warning	BOU	Logan	42 min
Jun 1, 5:54 PM MDT	Areal Flood Advisory	BOU	Logan	3 hr
Jun 1, 5:55 PM MDT	Severe Thunderstorm Warning	BOU	Sedgwick	50 min
Jun 1, 5:59 PM MDT	Severe Thunderstorm Warning	BOU	Logan, Phillips, Sedgwick	46 min

Nearby

Severe Thunderstorm Warnings in Colorado, 2024 Every severe thunderstorm warning in 2024

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.