Alert archive / Colorado / Special Weather Statements in 2016
Special Weather Statement, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this special weather statement at Jun 19, 2016, 7:50 PM MDT for Douglas County, Colorado. It was in force for 25 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 19, 2016, 7:50 PM MDT (01:50 UTC)
- Expired
- Jun 19, 2016, 8:15 PM MDT
- In force
- 25 min
- Issued by
- NWS Denver/Boulder, CO
County Douglas County, CO
The radar
The Denver radar (KFTG), 45 km from the middle of the area, began a volume at 01:51 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 (KDEN), launched 00:00Z, 1.8 hours before the alert went out and 144 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
- 267 J/kg
- Mixed-layer CIN
- -54 J/kg
- Mixed-layer LCL
- 3598 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 6 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 19, 3:45 PM MDT, 4 hours 5 minutes earlier.
Area forecast discussion, Jun 19, 3:45 PM MDT, 4 hours 5 minutes before
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</head>
<body>
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<div class="status" id="status">Temporary Notice</div>
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</html>Hazardous weather outlook, Jun 19, 10:20 AM MDT, 9 hours 30 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1020 AM MDT SUN JUN 19 2016 COZ030>051-201630- 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- 1020 AM MDT SUN JUN 19 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT IT WILL BE HOT AGAIN TODAY WITH HIGH TEMPERATURES REACHING THE UPPER 90S ACROSS NORTHEAST COLORADO. A COLD FRONT WILL MOVE INTO THE AREA THIS EVENING AND MAY PRODUCE ISOLATED THUNDERSTORMS SOUTH OF I-70 AND PORTIONS OF EASTERN COLORADO NEAR THE KS BORDER. IF THUNDERSTORMS FORM...BRIEF HEAVY RAIN AND HAIL WILL BE POSSIBLE WITH THE STRONGER STORMS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY COOLER TEMPERATURES AND INCREASED MOISTURE LEVELS WILL RETURN ON MONDAY BEHIND THE PASSAGE OF A WEAK COOL FRONT. THIS MOISTURE MAY PRODUCE A FEW AFTERNOON SHOWERS AND THUNDERSTORMS MAINLY OVER THE MOUNTAINS...FOOTHILLS AND PALMER DIVIDE MONDAY AND TUESDAY. WEDNESDAY THROUGH SATURDAY WILL BE WARMER ONCE AGAIN. ENOUGH MOISTURE WILL BE TRAPPED UNDER THE RIDGE TO PRODUCE A CHANCE OF AFTERNOON AND EVENING THUNDERSTORMS EACH DAY IN THE MOUNTAINS WITH A SLIGHT CHANCE ACROSS THE PLAINS EACH DAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
In the hours before
Special weather statement, Jun 19, 7:50 PM MDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DENVER CO
750 PM MDT SUN JUN 19 2016
COZ041-200215-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET CO-
750 PM MDT SUN JUN 19 2016
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN DOUGLAS COUNTY UNTIL
815 PM MDT...
AT 749 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER CASTLE ROCK...OR 23 MILES SOUTH OF DENVER...MOVING NORTHEAST AT
10 MPH.
DIME SIZE HAIL AND WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS
STORM.
LOCATIONS IMPACTED INCLUDE...
CASTLE ROCK...SOUTHERN PARKER...THE PINERY AND FRANKTOWN.
LAT...LON 3942 10493 3949 10479 3949 10477 3950 10477
3952 10474 3933 10467 3931 10488
TIME...MOT...LOC 0149Z 204DEG 8KT 3940 10484
ENTREKINThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 8:01 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Elbert | 44 min |
| Jun 19, 8:32 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Elbert | 43 min |
| Jun 19, 9:01 PM MDT | Special Weather Statement | BOU | Douglas | 44 min |
| Jun 19, 9:11 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 49 min |
| Jun 19, 10:04 PM MDT | Special Weather Statement | BOU | Elbert | 41 min |
| Jun 19, 10:13 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Elbert | 47 min |
| Jun 19, 10:58 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 47 min |
| Jun 19, 11:05 PM MDT | Areal Flood Advisory | BOU | Douglas, Elbert | 115 min |
| Jun 19, 11:46 PM MDT | Severe Thunderstorm Warning | BOU | Elbert | 32 min |
| Jun 20, 4:22 PM MDT | Special Weather Statement | BOU | Jefferson | 38 min |
| Jun 20, 4:30 PM MDT | Severe Thunderstorm Warning | BOU | Jefferson, Park | 34 min |
| Jun 20, 4:54 PM MDT | Severe Thunderstorm Warning | BOU | Douglas, Jefferson | 36 min |
| Jun 20, 5:03 PM MDT | Areal Flood Advisory | BOU | Douglas, Jefferson, Park | 2 hr |
| Jun 20, 5:37 PM MDT | Severe Thunderstorm Warning | BOU | Douglas | 23 min |
Nearby
Special Weather Statements in Colorado, 2016Every special weather statement in 2016
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.