Alert archive / Colorado / Winter Storm Watches in 2017
Winter Storm Watch 21, NWS Pueblo, CO
NWS Pueblo, CO issued this winter storm watch at Nov 15, 2017, 2:56 PM MST for 6 counties in Colorado. It took effect at Nov 16, 2017, 11:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 15, 2017, 2:56 PM MST (21:56 UTC)
- In effect from
- Nov 16, 2017, 11:00 PM MST
- Expired
- Nov 16, 2017, 12:30 AM MST
- In force
- Issued by
- NWS Pueblo, CO
Counties Chaffee County, CO, Conejos County, CO, Lake County, CO, Mineral County, CO, Rio Grande County, CO, Saguache County, CO
The radar
The Grand Junction radar (KGJX), 193 km from the middle of the area, began a volume at 21:58 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
Grand Junction, CO (KGJT), launched 12:00Z, 9.9 hours before the alert went out and 218 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
- 2655 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 125 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
973 WWUS45 KPUB 152156 WSWPUB URGENT - WINTER WEATHER MESSAGE National Weather Service Pueblo CO 256 PM MST Wed Nov 15 2017 COZ058-060-061-068-160600- /O.NEW.KPUB.WS.A.0021.171117T0600Z-171118T1200Z/ Western Mosquito Range/East Lake County Above 11000 Feet- Eastern Sawatch Mountains Above 11000 Feet- Western Chaffee County Between 9000 and 11000 Feet- Eastern San Juan Mountains Above 10000 Feet- 256 PM MST Wed Nov 15 2017 ...WINTER STORM WATCH IN EFFECT FROM THURSDAY EVENING THROUGH LATE FRIDAY NIGHT... * WHAT...Heavy snow and blowing snow possible. Plan on difficult travel conditions, including during the morning commute on Friday. Damage to trees and power lines is possible. Total snow accumulations of 5 to 8 inches, with localized amounts up to 18 inches, are possible. * WHERE...Western Mosquito Range and East Lake County Above 11000 Feet, Eastern Sawatch Mountains Above 11000 Feet, Western Chaffee County Between 9000 and 11000 Feet, and Eastern San Juan Mountains Above 10000 Feet. * WHEN...From Thursday evening through late Friday night. * ADDITIONAL DETAILS...Winds gusting as high as 55 mph will cause areas of blowing and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is potential for significant snow, sleet or ice accumulations that may impact travel. Continue to monitor the latest forecasts. $$
2 follow-up statements
565 WWUS45 KPUB 160243 WSWPUB URGENT - WINTER WEATHER MESSAGE National Weather Service Pueblo CO 743 PM MST Wed Nov 15 2017 COZ058-060-061-068-161200- /O.CON.KPUB.WS.A.0021.171117T0600Z-171118T1200Z/ Western Mosquito Range/East Lake County Above 11000 Feet- Eastern Sawatch Mountains Above 11000 Feet- Western Chaffee County Between 9000 and 11000 Feet- Eastern San Juan Mountains Above 10000 Feet- 743 PM MST Wed Nov 15 2017 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THURSDAY EVENING THROUGH LATE FRIDAY NIGHT... * WHAT...Heavy snow and blowing snow possible. Plan on difficult travel conditions, including during the morning commute on Friday. Damage to trees and power lines is possible. Total snow accumulations of 5 to 8 inches, with localized amounts up to 18 inches, are possible. * WHERE...Western Mosquito Range and East Lake County Above 11000 Feet, Eastern Sawatch Mountains Above 11000 Feet, Western Chaffee County Between 9000 and 11000 Feet, and Eastern San Juan Mountains Above 10000 Feet. * WHEN...From Thursday evening through late Friday night. * ADDITIONAL DETAILS...Winds gusting as high as 55 mph will cause areas of blowing and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Watch means there is potential for significant snow, sleet or ice accumulations that may impact travel. Continue to monitor the latest forecasts. $$
353 WWUS45 KPUB 160730 WSWPUB URGENT - WINTER WEATHER MESSAGE National Weather Service Pueblo CO 1230 AM MST Thu Nov 16 2017 COZ058-060-061-068-161800- /O.UPG.KPUB.WS.A.0021.171117T0600Z-171118T1200Z/ /O.NEW.KPUB.WS.W.0019.171117T0600Z-171118T1200Z/ Western Mosquito Range/East Lake County Above 11000 Feet- Eastern Sawatch Mountains Above 11000 Feet- Western Chaffee County Between 9000 and 11000 Feet- Eastern San Juan Mountains Above 10000 Feet- 1230 AM MST Thu Nov 16 2017 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST SATURDAY... * WHAT...Heavy snow and blowing snow expected. Plan on difficult travel conditions. Total snow accumulations 6 to 12 inches with local amounts up to 2 feet expected. * WHERE...Western Mosquito Range/East Lake County Above 11000 Feet, Eastern Sawatch Mountains Above 11000 Feet, Western Chaffee County Between 9000 and 11000 Feet and Eastern San Juan Mountains Above 10000 Feet. * WHEN...From 11 PM this evening to 5 AM MST Saturday. * ADDITIONAL DETAILS...Wind gusts up to 60 mph will cause areas of blowing and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow and blowing snow means severe winter weather conditions are expected. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$ COZ059-063-066-161800- /O.NEW.KPUB.WW.Y.0029.171117T0600Z-171118T1200Z/ Leadville Vicinity/Lake County Below 11000 Feet- Western Mosquito Range/East Chaffee County Above 9000 Feet- La Garita Mountains Above 10000 Feet- 1230 AM MST Thu Nov 16 2017 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 AM MST SATURDAY... * WHAT...Snow expected. Plan on slippery road conditions. In addition, some reductions to visibility are expected. Total snow accumulations 4 to 8 inches with local amounts up to 12 inches expected. * WHERE...Leadville Vicinity/Lake County Below 11000 Feet, Western Mosquito Range/East Chaffee County Above 9000 Feet and La Garita Mountains Above 10000 Feet. * WHEN...From 11 PM Thursday to 5 AM MST Saturday. * ADDITIONAL DETAILS...Winds gusts up to 60 mph will cause areas of blowing and drifting snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Weather Advisory for snow means periods of snow will cause primarily travel difficulties. Be prepared for snow covered roads and limited visibilities, and use caution while driving. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. $$
Nearby
Winter Storm Watches in Colorado, 2017Every winter storm watch in 2017
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.