Alert archive / Colorado / Frost Advisories in 2011
Frost Advisory 2, NWS Pueblo, CO
NWS Pueblo, CO issued this frost advisory at Jun 20, 2011, 2:37 PM MDT for 5 counties in Colorado. It took effect at Jun 21, 2011, 2:00 AM MDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Jun 20, 2011, 2:37 PM MDT (20:37 UTC)
- In effect from
- Jun 21, 2011, 2:00 AM MDT
- Expired
- Jun 21, 2011, 7:35 AM MDT
- In force
- 6 hr
- Issued by
- NWS Pueblo, CO
Counties Alamosa County, CO, Conejos County, CO, Costilla County, CO, Rio Grande County, CO, Saguache County, CO
The radar
The Pueblo radar (KPUX), 190 km from the middle of the area, began a volume at 20:40 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, 8.6 hours before the alert went out and 279 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
- 596 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
983 WWUS75 KPUB 202037 NPWPUB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PUEBLO CO 237 PM MDT MON JUN 20 2011 COZ069>071-210245- /O.NEW.KPUB.FR.Y.0002.110621T0800Z-110621T1400Z/ DEL NORTE VICINITY/NORTHERN SAN LUIS VALLEY BELOW 8500 FT- ALAMOSA VICINITY/CENTRAL SAN LUIS VALLEY BELOW 8500 FT- SOUTHERN SAN LUIS VALLEY- INCLUDING...CENTER...DEL NORTE...ALAMOSA...MONTE VISTA... MANASSA...LA JARA...ANTONITO...SANFORD...SAN LUIS... FORT GARLAND...BLANCA 237 PM MDT MON JUN 20 2011 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM MDT TUESDAY. * LOCATION...THE SAN LUIS VALLEY. * TEMPERATURE...TEMPERATURES IN THE VALLEY...ESPECIALLY THE CENTER PART OF THE VALLEY WILL RANGE BETWEEN 32 AND 37 DEGREES, AREAS IF FROST ARE LIKELY LATE TONIGHT AND TOMORROW MORNING. * IMPACT...PROTECT TENDER VEGETATION FROM THE FROST. PRECAUTIONARY/PREPAREDNESS ACTIONS... TEMPERATURES AROUND FREEZING WILL OCCUR FOR A SHORT PERIOD OF TIME. TAKE PRECAUTIONS TO PROTECT CROPS OR VEGETATION. && $$
3 follow-up statements
728 WWUS75 KPUB 210237 NPWPUB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PUEBLO CO 837 PM MDT MON JUN 20 2011 COZ069>071-210845- /O.CON.KPUB.FR.Y.0002.110621T0800Z-110621T1400Z/ DEL NORTE VICINITY/NORTHERN SAN LUIS VALLEY BELOW 8500 FT- ALAMOSA VICINITY/CENTRAL SAN LUIS VALLEY BELOW 8500 FT- SOUTHERN SAN LUIS VALLEY- INCLUDING...CENTER...DEL NORTE...ALAMOSA...MONTE VISTA... MANASSA...LA JARA...ANTONITO...SANFORD...SAN LUIS... FORT GARLAND...BLANCA 837 PM MDT MON JUN 20 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM MDT TUESDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM MDT TUESDAY. * LOCATION...THE SAN LUIS VALLEY. * TEMPERATURE...TEMPERATURES ACROSS THE SAN LUIS VALLEY WILL DROP TO BETWEEN 32 AND 37 DEGREES BY SUNRISE TUESDAY. THE COLDEST READINGS WILL OCCUR ACROSS THE CENTER PART OF THE VALLEY...INCLUDING THE ALAMOSA AREA. AREAS OF FROST WILL BE LIKELY IN THESE AREAS LATE TONIGHT AND THROUGH TUESDAY MORNING. * IMPACT...PROTECT TENDER VEGETATION FROM THE FROST. PRECAUTIONARY/PREPAREDNESS ACTIONS... TEMPERATURES AROUND FREEZING WILL OCCUR FOR A SHORT PERIOD OF TIME. TAKE PRECAUTIONS TO PROTECT CROPS OR VEGETATION. && $$
219 WWUS75 KPUB 210823 NPWPUB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PUEBLO CO 223 AM MDT TUE JUN 21 2011 COZ069>071-211400- /O.CON.KPUB.FR.Y.0002.000000T0000Z-110621T1400Z/ DEL NORTE VICINITY/NORTHERN SAN LUIS VALLEY BELOW 8500 FT- ALAMOSA VICINITY/CENTRAL SAN LUIS VALLEY BELOW 8500 FT- SOUTHERN SAN LUIS VALLEY- INCLUDING...CENTER...DEL NORTE...ALAMOSA...MONTE VISTA... MANASSA...LA JARA...ANTONITO...SANFORD...SAN LUIS... FORT GARLAND...BLANCA 223 AM MDT TUE JUN 21 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM MDT THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM MDT THIS MORNING. * LOCATION...THE SAN LUIS VALLEY. * TEMPERATURE...TEMPERATURES ACROSS THE SAN LUIS VALLEY ARE EXPECTED TO FALL INTO THE LOWER TO MID 30S BY SUNRISE THIS MORNING. THE COLDEST READINGS ARE EXPECTED ACROSS THE CENTER PART OF THE VALLEY...INCLUDING THE ALAMOSA AREA. AREAS OF FROST WILL BE LIKELY IN THESE AREAS THROUGH THE EARLY MORNING HOURS. * IMPACT...PROTECT TENDER VEGETATION FROM FROST. PRECAUTIONARY/PREPAREDNESS ACTIONS... TEMPERATURES AROUND FREEZING WILL OCCUR FOR A SHORT PERIOD OF TIME. TAKE PRECAUTIONS TO PROTECT CROPS OR VEGETATION. && $$
984 WWUS75 KPUB 211335 NPWPUB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PUEBLO CO 735 AM MDT TUE JUN 21 2011 COZ069>071-211445- /O.CAN.KPUB.FR.Y.0002.000000T0000Z-110621T1400Z/ DEL NORTE VICINITY/NORTHERN SAN LUIS VALLEY BELOW 8500 FT- ALAMOSA VICINITY/CENTRAL SAN LUIS VALLEY BELOW 8500 FT- SOUTHERN SAN LUIS VALLEY- 735 AM MDT TUE JUN 21 2011 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN PUEBLO HAS CANCELLED THE FROST ADVISORY. TEMPERATURES IN THE SAN LUIS VALLEY HAVE WARMED INTO THE 40S WITH FROST NO LONGER EXPECTED. $$
The office that day
Everything else NWS Pueblo, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 2:35 AM MDT | Severe Thunderstorm Warning | PUB | Bent, Crowley, Kiowa, Otero | 36 min |
| Jun 20, 3:21 AM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 27 min |
| Jun 20, 4:31 AM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 25 min |
| Jun 20, 5:54 AM MDT | Severe Thunderstorm Warning | PUB | Kiowa | 54 min |
| Jun 20, 7:17 AM MDT | Severe Thunderstorm Warning | PUB | Bent, Prowers | 46 min |
| Jun 20, 7:31 AM MDT | Severe Thunderstorm Warning | PUB | Baca, Prowers | 34 min |
Nearby
Frost Advisories in Colorado, 2011Every frost advisory in 2011
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.