Alert archive / Colorado / Frost Advisories in 2011
Frost Advisory 3, NWS Pueblo, CO
NWS Pueblo, CO issued this frost advisory at Sep 17, 2011, 8:50 AM MDT for 5 counties in Colorado. It took effect at Sep 18, 2011, 2:00 AM MDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Sep 17, 2011, 8:50 AM MDT (14:50 UTC)
- In effect from
- Sep 18, 2011, 2:00 AM MDT
- Expired
- Sep 18, 2011, 8:00 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 14:53 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, 2.8 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
- 131 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 766 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 131 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
420 WWUS75 KPUB 171450 NPWPUB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PUEBLO CO 850 AM MDT SAT SEP 17 2011 COZ069>071-172100- /O.NEW.KPUB.FR.Y.0003.110918T0800Z-110918T1400Z/ 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 850 AM MDT SAT SEP 17 2011 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM MDT SUNDAY... THE NATIONAL WEATHER SERVICE IN PUEBLO HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 8 AM MDT SUNDAY. * LOCATION...SAN LUIS VALLEY * TEMPERATURE...30 TO 34 DEGREES * IMPACT...AREAS OF FROST ARE EXPECTED DURING THE EARLY MORNING HOURS OF SUNDAY ACROSS THE SAN LUIS VALLEY...ESPECIALLY IN FROST PRONE AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TEMPERATURES AROUND FREEZING WILL OCCUR FOR A SHORT PERIOD OF TIME. TAKE PRECAUTIONS TO PROTECT CROPS OR VEGETATION. && $$ HODANISH
4 follow-up statements
726 WWUS75 KPUB 172005 NPWPUB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PUEBLO CO 205 PM MDT SAT SEP 17 2011 COZ069>071-180215- /O.CON.KPUB.FR.Y.0003.110918T0800Z-110918T1400Z/ DEL NORTE VICINITY/NORTHERN SAN LUIS VALLEY BELOW 8500 FT- ALAMOSA VICINITY/CENTRAL SAN LUIS VALLEY BELOW 8500 FT- SOUTHERN SAN LUIS VALLEY- INCLUDING...CENTER...DEL NORTE...ALAMOSA...MONTE VISTA... MANASSA...LA JARA...ANTONITO...SANFORD...SAN LUIS... FORT GARLAND...BLANCA 205 PM MDT SAT SEP 17 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM MDT SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM MDT SUNDAY. * LOCATION...SAN LUIS VALLEY * TEMPERATURE...30 TO 34 DEGREES * IMPACT...AREAS OF FROST ARE EXPECTED DURING THE EARLY MORNING HOURS OF SUNDAY ACROSS THE SAN LUIS VALLEY...ESPECIALLY IN FROST PRONE AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TEMPERATURES AROUND FREEZING WILL OCCUR FOR A SHORT PERIOD OF TIME. TAKE PRECAUTIONS TO PROTECT CROPS OR VEGETATION. && $$ HODANISH
133 WWUS75 KPUB 180146 NPWPUB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PUEBLO CO 746 PM MDT SAT SEP 17 2011 COZ069>071-180800- /O.CON.KPUB.FR.Y.0003.110918T0800Z-110918T1400Z/ 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 746 PM MDT SAT SEP 17 2011 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM MDT SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM MDT SUNDAY. * LOCATION...SAN LUIS VALLEY * TEMPERATURE...30 TO 34 DEGREES * IMPACT...AREAS OF FROST ARE EXPECTED DURING THE EARLY MORNING HOURS OF SUNDAY ACROSS THE SAN LUIS VALLEY...ESPECIALLY IN FROST PRONE AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TEMPERATURES AROUND FREEZING WILL OCCUR FOR A SHORT PERIOD OF TIME. TAKE PRECAUTIONS TO PROTECT CROPS OR VEGETATION. && $$
243 WWUS75 KPUB 180725 NPWPUB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PUEBLO CO 125 AM MDT SUN SEP 18 2011 COZ069>071-181400- /O.CON.KPUB.FR.Y.0003.110918T0800Z-110918T1400Z/ DEL NORTE VICINITY/NORTHERN SAN LUIS VALLEY BELOW 8500 FT- ALAMOSA VICINITY/CENTRAL SAN LUIS VALLEY BELOW 8500 FT- SOUTHERN SAN LUIS VALLEY- INCLUDING...CENTER...DEL NORTE...ALAMOSA...MONTE VISTA... MANASSA...LA JARA...ANTONITO...SANFORD...SAN LUIS... FORT GARLAND...BLANCA 125 AM MDT SUN SEP 18 2011 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM MDT THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM MDT THIS MORNING. * LOCATION...SAN LUIS VALLEY * TEMPERATURE...30 TO 34 DEGREES * IMPACT...AREAS OF FROST ARE EXPECTED THIS MORNING AND THIS COULD DAMAGE TENDER VEGETATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... TEMPERATURES AROUND FREEZING WILL OCCUR FOR A SHORT PERIOD OF TIME. TAKE PRECAUTIONS TO PROTECT CROPS OR VEGETATION. && $$
016 WWUS75 KPUB 181343 NPWPUB URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE PUEBLO CO 743 AM MDT SUN SEP 18 2011 COZ069>071-181445- /O.EXP.KPUB.FR.Y.0003.000000T0000Z-110918T1400Z/ 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 743 AM MDT SUN SEP 18 2011 ...FROST ADVISORY WILL EXPIRE AT 8 AM MDT THIS MORNING... THE FROST ADVISORY FOR THE SAN LUIS VALLEY WILL EXPIRE AT 8 AM MDT THIS MORNING. $$
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.