Alert archive / Colorado / Special Weather Statements in 2021
Special Weather Statement, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this special weather statement at May 30, 2021, 5:10 PM MDT for Lincoln County, Colorado. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 30, 2021, 5:10 PM MDT (23:10 UTC)
- Expired
- May 30, 2021, 6:00 PM MDT
- In force
- 50 min
- Issued by
- NWS Denver/Boulder, CO
County Lincoln County, CO
The radar
The Pueblo radar (KPUX), 58 km from the middle of the area, began a volume at 23:11 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 nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 11.2 hours before the alert went out and 140 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 254 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 731 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 5 m²/s²
- 0-3 km storm-relative helicity
- 41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at May 30, 3:26 PM MDT, 1 hour 44 minutes earlier.
Area forecast discussion, May 30, 3:26 PM MDT, 1 hour 44 minutes before
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</html>Hazardous weather outlook, May 30, 11:19 AM MDT, 5 hours 51 minutes before
Hazardous Weather Outlook National Weather Service Denver/Boulder CO 1119 AM MDT Sun May 30 2021 COZ030>051-311730- 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- 1119 AM MDT Sun May 30 2021 This hazardous weather outlook is for northeast and north central Colorado. .DAY ONE...Today and Tonight Light to moderate rain is expected through tonight from the Front Range eastward. Areas west of the Front Range will have occasional rain showers. There will be isolated thunderstorms as well. There is a low risk of flash flooding in the foothills burn areas. Elsewhere only minor street flooding is expected during the periods of heavier rain. There will be snow over the higher mountains. Accumulations of up to 6 inches are possible above 11,000 feet, with minor accumulations on grassy areas possible below that as the snow level drops as low as 10,000 feet tonight. .DAYS TWO THROUGH SEVEN...Monday through Saturday A cool, moist weather pattern will continue on Monday with another good chance of showers and a few afternoon storms. Some accumulating light snow will occur above 10000 feet. Tuesday will see a chance of isolated showers and thunderstorms mainly in the afternoon. Wednesday and Thursday will be drier and warmer with just a slight chance of thunderstorms over the higher terrain. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today or tonight. Gimmestad/Bowen
In the hours before
Special weather statement, May 30, 1:03 PM MDT, 4 hours 7 minutes before
Special Weather Statement
National Weather Service Denver CO
103 PM MDT Sun May 30 2021
COZ036-301930-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet CO-
103 PM MDT Sun May 30 2021
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL DOUGLAS COUNTY UNTIL 130
PM MDT...
At 103 PM MDT, Doppler radar was tracking a strong thunderstorm near
Deckers, or 34 miles southwest of Denver, moving east at 15 mph.
Penny size hail will be possible with this storm.
Locations impacted include...
Perry Park, Sprucewood and Devil's Head.
LAT...LON 3922 10522 3931 10523 3944 10501 3943 10500
3936 10496 3935 10497 3929 10497 3927 10495
3923 10496
TIME...MOT...LOC 1903Z 255DEG 11KT 3927 10519
SCHLATTERSpecial weather statement, May 30, 1:45 PM MDT, 3 hours 25 minutes before
Special Weather Statement National Weather Service Denver CO 145 PM MDT Sun May 30 2021 COZ034-036-302015- South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet CO- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet CO- 145 PM MDT Sun May 30 2021 ...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN PARK...EASTERN SUMMIT AND SOUTHERN CLEAR CREEK COUNTIES UNTIL 215 PM MDT... At 144 PM MDT, Doppler radar was tracking a strong thunderstorm 4 miles northwest of Grant, or 45 miles west of Denver, moving east at 10 mph. Penny size hail will be possible with this storm. Locations impacted include... Grant, Highland Park, Echo Lake, Guanella Pass, Mt Evans, Shawnee, Kenosha Pass, Harris Park and Keystone. LAT...LON 3974 10554 3941 10545 3940 10581 3962 10590 TIME...MOT...LOC 1944Z 254DEG 8KT 3949 10574 SCHLATTER
Special weather statement, May 30, 2:07 PM MDT, 3 hours 3 minutes before
Special Weather Statement National Weather Service Denver CO 207 PM MDT Sun May 30 2021 COZ041-046-302045- Elbert/Central and East Douglas Counties Above 6000 Feet CO- North and Northeast Elbert County Below 6000 Feet/North Lincoln County CO- 207 PM MDT Sun May 30 2021 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN DOUGLAS AND NORTHWESTERN ELBERT COUNTIES UNTIL 245 PM MDT... At 207 PM MDT, Doppler radar was tracking a strong thunderstorm 7 miles southwest of Elizabeth, or 28 miles north of Colorado Springs, moving east at 25 mph. Penny size hail will be possible with this storm. Locations impacted include... Elbert, Elizabeth, Kiowa and Ponderosa Park. LAT...LON 3914 10477 3935 10479 3953 10428 3918 10419 TIME...MOT...LOC 2007Z 259DEG 20KT 3927 10469 SCHLATTER
Local storm report, May 30, 3:02 PM MDT, 2 hours 8 minutes before
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</html>Local storm report, May 30, 3:03 PM MDT, 2 hours 7 minutes before
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</html>Special weather statement, May 30, 5:10 PM MDT, 0 minutes before
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</html>The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 9:10 AM MDT | Areal Flood Advisory | BOU | Larimer | 110 min |
| May 30, 12:53 PM MDT | Special Weather Statement | BOU | Summit | 52 min |
| May 30, 1:03 PM MDT | Special Weather Statement | BOU | Douglas | 27 min |
| May 30, 1:45 PM MDT | Special Weather Statement | BOU | Clear Creek | 30 min |
| May 30, 2:06 PM MDT | Areal Flood Advisory | BOU | Park | 84 min |
| May 30, 2:07 PM MDT | Special Weather Statement | BOU | Elbert | 38 min |
| May 30, 4:22 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 23 min |
Nearby
Special Weather Statements in Colorado, 2021Every special weather statement in 2021
Sources
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.