Alert archive / Colorado / Frost Advisories in 2021
Frost Advisory 1, NWS Pueblo, CO
NWS Pueblo, CO issued this frost advisory at Oct 10, 2021, 2:13 PM MDT for El Paso County, Colorado. It took effect at Oct 11, 2021, 2:00 AM MDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Oct 10, 2021, 2:13 PM MDT (20:13 UTC)
- In effect from
- Oct 11, 2021, 2:00 AM MDT
- Expired
- Oct 11, 2021, 7:44 AM MDT
- In force
- 6 hr
- Issued by
- NWS Pueblo, CO
County El Paso County, CO
The radar
The Pueblo radar (KPUX), 51 km from the middle of the area, began a volume at 20:13 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 12:00Z, 8.2 hours before the alert went out and 160 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
- 1519 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -33 m²/s²
- 0-3 km storm-relative helicity
- -26 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
360 WWUS75 KPUB 102013 NPWPUB URGENT - WEATHER MESSAGE National Weather Service Pueblo CO 213 PM MDT Sun Oct 10 2021 COZ069>071-110415- /O.CON.KPUB.HZ.W.0001.211011T0500Z-211011T1500Z/ Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet- Alamosa Vicinity/Central San Luis Valley Below 8500 Feet- Southern San Luis Valley- 213 PM MDT Sun Oct 10 2021 ...HARD FREEZE WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 9 AM MDT MONDAY... * WHAT...Temperatures ranging in the mid 20s are expected over the San Luis Valley. * WHERE...San Luis Valley. * WHEN...From 11 PM this evening to 9 AM MDT Monday. * IMPACTS...A Hard Freeze is expected across the San Luis Valley tonight. This will put an end to the growing season. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ COZ084-110415- /O.NEW.KPUB.FR.Y.0001.211011T0800Z-211011T1400Z/ Northern El Paso County/Monument Ridge/Rampart Range Below 7500 Feet- 213 PM MDT Sun Oct 10 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM MDT MONDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Northern El Paso County/Monument Ridge/Rampart Range Below 7500 Feet County. * WHEN...From 2 AM to 8 AM MDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
3 follow-up statements
198 WWUS75 KPUB 110321 NPWPUB URGENT - WEATHER MESSAGE National Weather Service Pueblo CO 921 PM MDT Sun Oct 10 2021 COZ069>071-111130- /O.CON.KPUB.HZ.W.0001.211011T0500Z-211011T1500Z/ Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet- Alamosa Vicinity/Central San Luis Valley Below 8500 Feet- Southern San Luis Valley- 921 PM MDT Sun Oct 10 2021 ...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT MONDAY... * WHAT...Low temperatures falling into the mid 20s are expected. * WHERE...San Luis Valley. * WHEN...From 11 PM this evening to 9 AM MDT Monday. * IMPACTS...A Hard Freeze is expected across the San Luis Valley tonight. This will put an end to the growing season. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ COZ084-111130- /O.CON.KPUB.FR.Y.0001.211011T0800Z-211011T1400Z/ Northern El Paso County/Monument Ridge/Rampart Range Below 7500 Feet- 921 PM MDT Sun Oct 10 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM MDT MONDAY... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Northern El Paso County/Monument Ridge/Rampart Range Below 7500 Feet County. * WHEN...From 2 AM to 8 AM MDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
359 WWUS75 KPUB 110943 NPWPUB URGENT - WEATHER MESSAGE National Weather Service Pueblo CO 343 AM MDT Mon Oct 11 2021 COZ069>071-111500- /O.CON.KPUB.HZ.W.0001.000000T0000Z-211011T1500Z/ Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet- Alamosa Vicinity/Central San Luis Valley Below 8500 Feet- Southern San Luis Valley- 343 AM MDT Mon Oct 11 2021 ...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Low temperatures falling into the mid 20s are expected. * WHERE...San Luis Valley. * WHEN...Until 9 AM MDT this morning. * IMPACTS...A Hard Freeze is expected across the San Luis Valley. This will put an end to the growing season. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$ COZ084-111400- /O.CON.KPUB.FR.Y.0001.000000T0000Z-211011T1400Z/ Northern El Paso County/Monument Ridge/Rampart Range Below 7500 Feet- 343 AM MDT Mon Oct 11 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM MDT THIS MORNING... * WHAT...Temperatures as low as 33 will result in frost formation. * WHERE...Northern El Paso County, Monument Ridge, and the Rampart Range Below 7500 Feet. * WHEN...Until 8 AM MDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
768 WWUS75 KPUB 111344 NPWPUB URGENT - WEATHER MESSAGE National Weather Service Pueblo CO 744 AM MDT Mon Oct 11 2021 COZ084-111445- /O.CAN.KPUB.FR.Y.0001.000000T0000Z-211011T1400Z/ Northern El Paso County/Monument Ridge/Rampart Range Below 7500 Feet- 744 AM MDT Mon Oct 11 2021 ...FROST ADVISORY IS CANCELLED... Temperatures are starting to warm back up across northern El Paso County this morning with sunrise, therefore the Frost Advisory has been cancelled.. $$ COZ069>071-111500- /O.CON.KPUB.HZ.W.0001.000000T0000Z-211011T1500Z/ Del Norte Vicinity/Northern San Luis Valley Below 8500 Feet- Alamosa Vicinity/Central San Luis Valley Below 8500 Feet- Southern San Luis Valley- 744 AM MDT Mon Oct 11 2021 ...HARD FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM MDT THIS MORNING... * WHAT...Low temperatures falling into the mid 20s are expected. * WHERE...San Luis Valley. * WHEN...Until 9 AM MDT this morning. * IMPACTS...A Hard Freeze is expected across the San Luis Valley. This will put an end to the growing season. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 10, 3:46 AM MDT | Hard Freeze Warning | PUB | Alamosa, Conejos, Costilla, Rio Grande, Saguache | 29 hr |
| Oct 10, 2:19 PM MDT | Fire Weather Watch | PUB | Baca, Bent, Crowley, El Paso, Huerfano, Kiowa and 4 more | 31 hr |
| Oct 10, 2:21 PM MDT | Winter Storm Watch | PUB | Conejos, Mineral, Rio Grande | 14 hr |
Nearby
Frost Advisories in Colorado, 2021Every frost advisory 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.