Alert archive / Colorado / High Wind Warnings in 2020
High Wind Warning 4, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at May 7, 2020, 6:00 PM MDT for 5 counties in Colorado. It was in force for 2 hr. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 7, 2020, 6:00 PM MDT (00:00 UTC)
- Expired
- May 7, 2020, 8:00 PM MDT
- In force
- 2 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Morgan County, CO, Washington County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 55 km from the middle of the area, began a volume at 00:01 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 7, 6:29 PM MDT | NON-TSTM WND GST 56 | Akron, CO | ASOS STATION KAKO AKRON. |
| May 7, 6:56 PM MDT | NON-TSTM WND GST 59 | 4 E Commerce City, CO | MESONET STATION AENC2 ARSENAL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 0.0 hours before the alert went out and 70 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
- 2 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 3295 m above ground
- 0-6 km bulk shear
- 94 kt
- 0-1 km storm-relative helicity
- -17 m²/s²
- 0-3 km storm-relative helicity
- -4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
200 WWUS75 KBOU 080000 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 600 PM MDT Thu May 7 2020 COZ043>045-049-080200- /O.NEW.KBOU.HW.W.0004.200508T0000Z-200508T0200Z/ Central and South Weld County-Morgan County- Central and East Adams and Arapahoe Counties-Washington County- Including the cities of Eaton, Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, Wiggins, Bennett, Byers, Deer Trail, Leader, Akron, Cope, Last Chance, and Otis 600 PM MDT Thu May 7 2020 ...HIGH WIND WARNING IN EFFECT UNTIL 8 PM MDT THIS EVENING... * WHAT...North to northwest winds 30 to 45 mph with gusts up to 70 mph. * WHERE...Central and South Weld County, Morgan County, Central and East Adams and Arapahoe Counties and Washington County. * WHEN...Until 8 PM MDT this evening. * IMPACTS...Strong winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. Travel will be difficult for high profile vehicles. * ADDITIONAL DETAILS...The strong winds will also cause areas of blowing dust which will restrict visibilities to less than one mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Strong winds may lead to property damage. Hazardous driving conditions due to powerful cross winds will pose a serious risk for drivers, especially for light weight and high profile vehicles. Loose outdoor items should be brought inside or secured properly. && $$
1 follow-up statement
690 WWUS75 KBOU 080208 NPWBOU URGENT - WEATHER MESSAGE National Weather Service Denver CO 808 PM MDT Thu May 7 2020 COZ043>045-049-080315- /O.EXP.KBOU.HW.W.0004.000000T0000Z-200508T0200Z/ Central and South Weld County-Morgan County- Central and East Adams and Arapahoe Counties-Washington County- Including the cities of Eaton, Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, Wiggins, Bennett, Byers, Deer Trail, Leader, Akron, Cope, Last Chance, and Otis 808 PM MDT Thu May 7 2020 ...HIGH WIND WARNING HAS EXPIRED... The winds on the northeast Colorado plains have decreased from earlier this evening. Winds will continue diminishing as pressure gradients across Colorado relax overnight. $$
Nearby
High Wind Warnings in Colorado, 2020Every high wind warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.