Alert archive / Colorado / Special Weather Statements in 2019
Special Weather Statement, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this special weather statement at Jun 16, 2019, 2:03 PM MDT for Douglas County, Colorado. It was in force for 27 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
- Jun 16, 2019, 2:03 PM MDT (20:03 UTC)
- Expired
- Jun 16, 2019, 2:30 PM MDT
- In force
- 27 min
- Issued by
- NWS Denver/Boulder, CO
County Douglas County, CO
The radar
The Denver radar (KFTG), 75 km from the middle of the area, began a volume at 20:05 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, 8.1 hours before the alert went out and 168 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1824 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Jun 16, 10:55 AM MDT, 3 hours 8 minutes earlier.
Area forecast discussion, Jun 16, 10:55 AM MDT, 3 hours 8 minutes before
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<meta charset="utf-8">
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<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Hazardous weather outlook, Jun 16, 9:55 AM MDT, 4 hours 8 minutes before
Hazardous Weather Outlook National Weather Service Denver/Boulder CO 955 AM MDT Sun Jun 16 2019 COZ030>051-171600- 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- 955 AM MDT Sun Jun 16 2019 This hazardous weather outlook is for northeast and north central Colorado. .DAY ONE...Today and Tonight Today will be another day of scattered afternoon thunderstorms. The storms will be most numerous over the mountains in the afternoon, and on the plains in the late afternoon and evening. Some of the storms will produce heavy rain, but the threat of flooding is low. There may also be a few strong thunderstorms on the plains with hail up to one inch in diameter and wind gusts to 60 mph. These are most likely in areas north of Interstate 70 and east of Interstate 25 between 4 and 8 pm. Highs today will be slightly higher than yesterday with temperatures in the lower 80s on the plains and 60s in the mountains. .DAYS TWO THROUGH SEVEN...Monday through Saturday Monday through Tuesday will be cool, moist and unsettled, with a good chance of showers and thunderstorms. Most of the storms will occur in the afternoon and evening hours with areas of heavier rainfall possible over portions of the plains. Storms may approach severe limits on Monday afternoon and evening across the plains with hail and damaging winds. Wednesday through Friday is expected to be drier and a little warmer. It will be a little cooler by next weekend with a better chance of showers and thunderstorms. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be needed today or tonight.
In the hours before
Special weather statement, Jun 16, 1:16 PM MDT, 47 minutes before
Special Weather Statement National Weather Service Denver CO 116 PM MDT Sun Jun 16 2019 COZ036-161945- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet CO- 116 PM MDT Sun Jun 16 2019 ...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL DOUGLAS AND SOUTH CENTRAL JEFFERSON COUNTIES UNTIL 145 PM MDT... At 115 PM MDT, Doppler radar was tracking a strong thunderstorm near Buffalo Creek, or 30 miles southwest of Denver, moving east at 5 mph. Nickel size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Sprucewood, South Platte and Devil's Head. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 3928 10526 3940 10525 3940 10509 3925 10509 TIME...MOT...LOC 1915Z 278DEG 6KT 3934 10524 RPK
Special weather statement, Jun 16, 1:37 PM MDT, 26 minutes before
Special Weather Statement National Weather Service Denver CO 137 PM MDT Sun Jun 16 2019 COZ051-162000- Phillips County CO- 137 PM MDT Sun Jun 16 2019 ...SIGNIFICANT WEATHER ADVISORY FOR EASTERN PHILLIPS COUNTY UNTIL 200 PM MDT... At 137 PM MDT, Doppler radar was tracking a strong thunderstorm near Holyoke, moving east at 15 mph. Nickel size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Holyoke, Amherst and Pleasant Valley. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 4049 10230 4070 10233 4071 10206 4049 10206 TIME...MOT...LOC 1937Z 269DEG 15KT 4059 10225 RPK
Special weather statement, Jun 16, 2:03 PM MDT, 0 minutes before
Special Weather Statement National Weather Service Denver CO 203 PM MDT Sun Jun 16 2019 COZ036-041-162030- Elbert/Central and East Douglas Counties Above 6000 Feet CO- Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet CO- 203 PM MDT Sun Jun 16 2019 ...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN DOUGLAS COUNTY UNTIL 230 PM MDT... At 203 PM MDT, Doppler radar was tracking a strong thunderstorm 5 miles south of Perry Park, or 26 miles northwest of Colorado Springs, moving east at 15 mph. Nickel size hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Larkspur, Perry Park and Greenland. PRECAUTIONARY/PREPAREDNESS ACTIONS... Frequent cloud to ground lightning is occurring with this storm. Lightning can strike 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. && LAT...LON 3913 10510 3931 10509 3931 10481 3913 10481 TIME...MOT...LOC 2003Z 269DEG 15KT 3919 10501 RPK
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 16, 1:16 PM MDT | Special Weather Statement | BOU | Douglas | 29 min |
| Jun 16, 1:37 PM MDT | Special Weather Statement | BOU | Phillips | 23 min |
| Jun 16, 2:06 PM MDT | Areal Flood Advisory | BOU | Douglas | 84 min |
| Jun 16, 4:18 PM MDT | Special Weather Statement | BOU | Adams | 27 min |
| Jun 16, 4:21 PM MDT | Special Weather Statement | BOU | Morgan | 24 min |
| Jun 16, 5:17 PM MDT | Special Weather Statement | BOU | Logan | 43 min |
| Jun 16, 5:29 PM MDT | Areal Flood Advisory | BOU | Logan | 2 hr |
| Jun 16, 5:44 PM MDT | Flash Flood Warning | BOU | Logan | 2 hr |
Nearby
Special Weather Statements in Colorado, 2019Every special weather statement in 2019
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.