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 Aug 7, 2019, 10:21 PM MDT for Morgan County, Colorado. It was in force for 54 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
- Aug 7, 2019, 10:21 PM MDT (04:21 UTC)
- Expired
- Aug 7, 2019, 11:15 PM MDT
- In force
- 54 min
- Issued by
- NWS Denver/Boulder, CO
County Morgan County, CO
The radar
The Denver radar (KFTG), 119 km from the middle of the area, began a volume at 04:22 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 00:00Z, 4.4 hours before the alert went out and 66 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
- 564 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 2574 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -43 m²/s²
- 0-3 km storm-relative helicity
- 16 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
752
WWUS85 KBOU 080421
SPSBOU
Special Weather Statement
National Weather Service Denver CO
1021 PM MDT Wed Aug 7 2019
COZ044-048-049-080515-
Washington County CO-Morgan County CO-Logan County CO-
1021 PM MDT Wed Aug 7 2019
...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN MORGAN...
NORTHEASTERN WASHINGTON AND SOUTHWESTERN LOGAN COUNTIES UNTIL 1115 PM
MDT...
At 1021 PM MDT, Doppler radar was tracking a strong thunderstorm near
Hillrose, or 15 miles northeast of Fort Morgan, moving northeast at
25 mph.
Penny size hail, heavy rain and winds in excess of 40 mph will be
possible with this storm.
Locations impacted include...
Brush, Merino, Hillrose, Prewitt Reservoir, Antelope Springs, Atwood,
Logan Corners, Snyder, Midway, Pawnee Pass and Willard.
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 4029 10294 4017 10359 4046 10382 4052 10369
4052 10358 4058 10358 4069 10336
TIME...MOT...LOC 0421Z 237DEG 21KT 4037 10354
$$
ENTREKINThe office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 6:46 PM MDT | Special Weather Statement | BOU | Elbert | 44 min |
| Aug 7, 7:05 PM MDT | Areal Flood Advisory | BOU | Adams | 85 min |
| Aug 7, 7:29 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 46 min |
| Aug 7, 8:15 PM MDT | Special Weather Statement | BOU | Lincoln | 45 min |
| Aug 7, 8:47 PM MDT | Special Weather Statement | BOU | Morgan | 43 min |
| Aug 8, 1:01 PM MDT | Areal Flood Advisory | BOU | Logan | 67 min |
| Aug 8, 1:53 PM MDT | Areal Flood Advisory | BOU | Park | 46 min |
| Aug 8, 2:36 PM MDT | Special Weather Statement | BOU | Arapahoe | 39 min |
| Aug 8, 2:37 PM MDT | Areal Flood Advisory | BOU | Park | 53 min |
| Aug 8, 5:22 PM MDT | Areal Flood Advisory | BOU | Logan | 35 min |
| Aug 8, 5:32 PM MDT | Areal Flood Advisory | BOU | Elbert | 88 min |
| Aug 8, 5:43 PM MDT | Severe Thunderstorm Warning | BOU | Elbert, Lincoln | 47 min |
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.