Alert archive / Colorado / Winter Storm Watches in 2021
Winter Storm Watch 7, NWS Pueblo, CO
NWS Pueblo, CO issued this winter storm watch at Mar 22, 2021, 2:57 PM MDT for 6 counties in Colorado. It took effect at Mar 23, 2021, 3:00 PM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Mar 22, 2021, 2:57 PM MDT (20:57 UTC)
- In effect from
- Mar 23, 2021, 3:00 PM MDT
- Expired
- Mar 23, 2021, 3:55 AM MDT
- In force
- Issued by
- NWS Pueblo, CO
Counties Conejos County, CO, Costilla County, CO, Huerfano County, CO, Las Animas County, CO, Mineral County, CO, Rio Grande County, CO
The radar
The Pueblo radar (KPUX), 171 km from the middle of the area, began a volume at 20:58 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, 9.0 hours before the alert went out and 310 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
- 1472 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
748 WWUS45 KPUB 222057 WSWPUB URGENT - WINTER WEATHER MESSAGE National Weather Service Pueblo CO 257 PM MDT Mon Mar 22 2021 COZ074-075-230500- /O.CAN.KPUB.WW.Y.0016.000000T0000Z-210322T2100Z/ /O.NEW.KPUB.WS.A.0007.210323T2100Z-210325T0000Z/ Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet- Southern Sangre de Cristo Mountains Above 11000 Feet- 257 PM MDT Mon Mar 22 2021 ...WINTER STORM WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... ...WINTER WEATHER ADVISORY FOR TODAY IS CANCELLED... * WHAT...Heavy snow possible. Total snow accumulations of 8 to 15 inches possible. Winds could gust as high as 35 mph. * WHERE...Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet and Southern Sangre de Cristo Mountains Above 11000 Feet Counties. * WHEN...From Tuesday afternoon through Wednesday afternoon. * IMPACTS...Travel could be very difficult to impossible. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ COZ087-088-094-222200- /O.CAN.KPUB.WW.Y.0016.000000T0000Z-210322T2100Z/ Walsenburg Vicinity/Upper Huerfano River Basin Below 7500 Feet- Trinidad Vicinity/Western Las Animas County Below 7500 Feet- Eastern Las Animas County- 257 PM MDT Mon Mar 22 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... Only light snow or flurries are expected for the remainder of the day. $$ COZ066-230500- /O.NEW.KPUB.WW.Y.0017.210323T2100Z-210325T0000Z/ La Garita Mountains Above 10000 Feet- 257 PM MDT Mon Mar 22 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM TUESDAY TO 6 PM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 5 to 10 inches. * WHERE...La Garita Mountains Above 10000 Feet County. * WHEN...From 3 PM Tuesday to 6 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ072-073-079-080-230500- /O.NEW.KPUB.WW.Y.0017.210323T2100Z-210325T0000Z/ Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet- Northern Sangre de Cristo Mountains Above 11000 Feet- Wet Mountains between 6300 and 10000 Feet- Wet Mountains Above 10000 Feet- 257 PM MDT Mon Mar 22 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM TUESDAY TO 6 PM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 5 to 10 inches. * WHERE...Northern Sangre de Cristo Mountains Between 8500 and 11000 Feet, Northern Sangre de Cristo Mountains Above 11000 Feet, Wet Mountains between 6300 and 10000 Feet and Wet Mountains Above 10000 Feet Counties. * WHEN...From 3 PM Tuesday to 6 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ068-230500- /O.NEW.KPUB.WS.A.0007.210323T2100Z-210325T0000Z/ Eastern San Juan Mountains Above 10000 Feet- 257 PM MDT Mon Mar 22 2021 ...WINTER STORM WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... * WHAT...Heavy snow possible. Total snow accumulations of 6 to 12 inches possible. Winds could gust as high as 35 mph. * WHERE...Eastern San Juan Mountains Above 10000 Feet County. * WHEN...From Tuesday afternoon through Wednesday afternoon. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$
2 follow-up statements
207 WWUS45 KPUB 230513 WSWPUB URGENT - WINTER WEATHER MESSAGE National Weather Service Pueblo CO 1113 PM MDT Mon Mar 22 2021 COZ066-231315- /O.CON.KPUB.WW.Y.0017.210323T2100Z-210325T0000Z/ La Garita Mountains Above 10000 Feet- 1113 PM MDT Mon Mar 22 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM TUESDAY TO 6 PM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 5 to 10 inches. * WHERE...La Garita Mountains Above 10000 Feet. * WHEN...From 3 PM Tuesday to 6 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ072-073-079-080-231315- /O.CON.KPUB.WW.Y.0017.210323T2100Z-210325T0000Z/ Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet- Northern Sangre de Cristo Mountains Above 11000 Feet- Wet Mountains between 6300 and 10000 Feet- Wet Mountains Above 10000 Feet- 1113 PM MDT Mon Mar 22 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM TUESDAY TO 6 PM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 5 to 10 inches. * WHERE...Northern Sangre de Cristo Mountains Between 8500 and 11000 Feet, Northern Sangre de Cristo Mountains Above 11000 Feet, Wet Mountains between 6300 and 10000 Feet and Wet Mountains Above 10000 Feet. * WHEN...From 3 PM Tuesday to 6 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ068-074-075-231315- /O.CON.KPUB.WS.A.0007.210323T2100Z-210325T0000Z/ Eastern San Juan Mountains Above 10000 Feet- Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet- Southern Sangre de Cristo Mountains Above 11000 Feet- 1113 PM MDT Mon Mar 22 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON THROUGH WEDNESDAY AFTERNOON... * WHAT...Heavy snow possible. Total snow accumulations of 7 to 15 inches possible. Winds could gust as high as 35 mph. * WHERE...Eastern San Juan Mountains Above 10000 Feet, Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet and Southern Sangre de Cristo Mountains Above 11000 Feet. * WHEN...From Tuesday afternoon through Wednesday afternoon. * IMPACTS...Travel could be very difficult. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$
176 WWUS45 KPUB 230955 WSWPUB URGENT - WINTER WEATHER MESSAGE National Weather Service Pueblo CO 355 AM MDT Tue Mar 23 2021 COZ074-075-231800- /O.UPG.KPUB.WS.A.0007.210323T2100Z-210325T0000Z/ /O.NEW.KPUB.WS.W.0007.210323T2100Z-210325T0000Z/ Southern Sangre de Cristo Mountains Between 7500 and 11000 Feet- Southern Sangre de Cristo Mountains Above 11000 Feet- 355 AM MDT Tue Mar 23 2021 ...WINTER STORM WARNING IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 PM MDT WEDNESDAY... * WHAT...Heavy snow expected. Total snow accumulations of 8 to 15 inches over the peaks and eastern slopes with lighter amounts on the western slopes. Winds gusting as high as 35 mph. * WHERE...Southern Sangre de Cristo Mountains. * WHEN...From 3 PM this afternoon to 6 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && $$ COZ088-231800- /O.EXB.KPUB.WW.Y.0017.210324T0000Z-210325T0000Z/ Trinidad Vicinity/Western Las Animas County Below 7500 Feet- 355 AM MDT Tue Mar 23 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 3 to 8 inches generally along and west of I-25. Lighter amounts expected east of I-25. * WHERE...Western Las Animas County. * WHEN...From 6 PM this evening to 6 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ068-231800- /O.UPG.KPUB.WS.A.0007.210323T2100Z-210325T0000Z/ /O.EXA.KPUB.WW.Y.0017.210323T2100Z-210325T0000Z/ Eastern San Juan Mountains Above 10000 Feet- 355 AM MDT Tue Mar 23 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 PM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 6 to 12 inches. * WHERE...Eastern San Juan Mountains Above 10000 Feet. * WHEN...From 3 PM this afternoon to 6 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ067-231800- /O.EXA.KPUB.WW.Y.0017.210323T2100Z-210325T0000Z/ Upper Rio Grande Valley/Eastern San Juan Mountains Below 10000 Feet- 355 AM MDT Tue Mar 23 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 PM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 10 inches. * WHERE...Upper Rio Grande Valley and Eastern San Juan Mountains Below 10000 Feet. * WHEN...From 3 PM this afternoon to 6 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ058-060-061-231800- /O.EXA.KPUB.WW.Y.0017.210323T2100Z-210325T0000Z/ Western Mosquito Range/East Lake County Above 11000 Feet- Eastern Sawatch Mountains Above 11000 Feet- Western Chaffee County Between 9000 and 11000 Feet- 355 AM MDT Tue Mar 23 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 PM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 4 to 10 inches. Winds gusting as high as 35 mph. * WHERE...Western Mosquito Range above 11000 feet, Eastern Sawatch Mountains above 11000 feet, and Western Chaffee County above 9000 feet. * WHEN...From 3 PM this afternoon to 6 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. The cold wind chills as low as 15 below zero could result in hypothermia if precautions are not taken. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ066-231800- /O.CON.KPUB.WW.Y.0017.210323T2100Z-210325T0000Z/ La Garita Mountains Above 10000 Feet- 355 AM MDT Tue Mar 23 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 PM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 5 to 12 inches. * WHERE...La Garita Mountains Above 10000 Feet. * WHEN...From 3 PM this afternoon to 6 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$ COZ072-073-079-080-231800- /O.CON.KPUB.WW.Y.0017.210323T2100Z-210325T0000Z/ Northern Sangre de Cristo Mountains Between 8500 And 11000 Feet- Northern Sangre de Cristo Mountains Above 11000 Feet- Wet Mountains between 6300 and 10000 Feet- Wet Mountains Above 10000 Feet- 355 AM MDT Tue Mar 23 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 6 PM MDT WEDNESDAY... * WHAT...Snow expected. Total snow accumulations of 5 to 12 inches. * WHERE...Northern Sangre de Cristo Mountains and Wet Mountains. * WHEN...From 3 PM this afternoon to 6 PM MDT Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the morning or evening commute. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1. && $$
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 2:57 PM MDT | Winter Weather Advisory | PUB | Alamosa, Chaffee, Conejos, Costilla, Custer, El Paso and 8 more | 51 hr |
Nearby
Winter Storm Watches in Colorado, 2021Every winter storm watch in 2021
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.