Alert archive / Missouri / Frost Advisories in 2012
Frost Advisory 2, NWS Kansas City, MO
NWS Kansas City, MO issued this frost advisory at Sep 22, 2012, 4:12 PM CDT for Atchison County, Doniphan County, Kansas; 21 counties in Missouri. It took effect at Sep 23, 2012, 3:00 AM CDT. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Sep 22, 2012, 4:12 PM CDT (21:12 UTC)
- In effect from
- Sep 23, 2012, 3:00 AM CDT
- Expired
- Sep 23, 2012, 8:00 AM CDT
- In force
- 5 hr
- Issued by
- NWS Kansas City, MO
All 23 counties
Atchison County, KS, Doniphan County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Buchanan County, MO, Caldwell County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Holt County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Nodaway County, MO, Putnam County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO
The radar
The Pleasant Hill radar (KEAX), 140 km from the middle of the area, began a volume at 21:13 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
Topeka, KS (KTOP), launched 12:00Z, 9.2 hours before the alert went out and 181 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
- 2143 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- -57 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
166 WWUS73 KEAX 222112 NPWEAX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 412 PM CDT SAT SEP 22 2012 ...AN EARLY FROST TO GREAT AUTUMN... .A COLD CANADIAN AIRMASS SETTLED INTO THE CENTRAL PLAINS TODAY...BRINGING COOL TEMPERATURES TO THE REGION. THE EXTREMELY DRY NATURE OF THE AIRMASS...COUPLED WITH THE COLD TEMPERATURES...MAY RESULT IN AREAS OF FROST SUNDAY MORNING...ESPECIALLY IN LOW LYING AREAS AND WHERE THE WIND IS CALM. AREAS MOST AT RISK TO EXPERIENCING THESE CONDITIONS WILL BE NEAR THE IOWA BORDER. LOCATIONS FARTHER SOUTH WILL BE LESS LIKELY TO EXPERIENCE FROST. MOZ001>008-016-017-231300- /O.NEW.KEAX.FR.Y.0002.120923T0800Z-120923T1300Z/ ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-MERCER-PUTNAM-SCHUYLER- SULLIVAN-ADAIR- INCLUDING THE CITIES OF...TARKIO...MARYVILLE...GRANT CITY... ALBANY...STANBERRY...BETHANY...PRINCETON...UNIONVILLE... LANCASTER...DOWNING...MILAN...GREEN CITY...KIRKSVILLE 412 PM CDT SAT SEP 22 2012 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM CDT SUNDAY... THE NATIONAL WEATHER SERVICE IN KANSAS CITY/PLEASANT HILL HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM CDT SUNDAY. * TEMPERATURES...OVERNIGHT READINGS WILL FALL TO BETWEEN 33 TO 34 DEGREES...BRINGING AREAS OF FROST TO THE REGION BY SUNDAY MORNING. * IMPACTS...EXPOSED PLANTS AND TENDER VEGETATION MAY SUFFER FREEZE DAMAGE. PEOPLE INTERESTED IN PROTECTING THEIR PLANTS NEED TO TAKE ACTION BY THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ CUTTER
3 follow-up statements
210 WWUS73 KEAX 230208 NPWEAX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 908 PM CDT SAT SEP 22 2012 ...AN EARLY FROST TO GREET AUTUMN... .A COLD CANADIAN AIRMASS HAS SETTLED INTO THE CENTRAL PLAINS BRINGING COOL TEMPERATURES TO THE REGION. THE EXTREMELY DRY NATURE OF THE AIRMASS...COUPLED WITH THE COLD TEMPERATURES...MAY RESULT IN AREAS OF FROST SUNDAY MORNING...ESPECIALLY IN LOW LYING AREAS AND WHERE THE WIND IS CALM. AREAS MOST AT RISK TO EXPERIENCING THESE CONDITIONS WILL BE ALONG AND NORTH OF HWY 36. KSZ025-102-MOZ011>015-020>025-231300- /O.EXA.KEAX.FR.Y.0002.120923T0800Z-120923T1300Z/ ATCHISON KS-DONIPHAN-HOLT-ANDREW-DE KALB-DAVIESS-GRUNDY-BUCHANAN- CLINTON-CALDWELL-LIVINGSTON-LINN MO-MACON- INCLUDING THE CITIES OF...ATCHISON...TROY...MOUND CITY...OREGON... SAVANNAH...CAMERON...GALLATIN...JAMESPORT...TRENTON... ST. JOSEPH...PLATTSBURG...HAMILTON...POLO...CHILLICOTHE... BROOKFIELD...MACON...LA PLATA 908 PM CDT SAT SEP 22 2012 ...FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM CDT SUNDAY... THE NATIONAL WEATHER SERVICE IN KANSAS CITY/PLEASANT HILL HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 8 AM CDT SUNDAY. * TEMPERATURES...OVERNIGHT READINGS WILL FALL TO BETWEEN 33 TO 36 DEGREES...BRINGING AREAS OF FROST TO THE REGION BY SUNDAY MORNING. * IMPACTS...EXPOSED PLANTS AND TENDER VEGETATION MAY SUFFER FREEZE DAMAGE. PEOPLE INTERESTED IN PROTECTING THEIR PLANTS NEED TO TAKE ACTION THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ MOZ001>008-016-017-231300- /O.CON.KEAX.FR.Y.0002.120923T0800Z-120923T1300Z/ ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON-MERCER-PUTNAM-SCHUYLER- SULLIVAN-ADAIR- INCLUDING THE CITIES OF...TARKIO...MARYVILLE...GRANT CITY... ALBANY...STANBERRY...BETHANY...PRINCETON...UNIONVILLE... LANCASTER...DOWNING...MILAN...GREEN CITY...KIRKSVILLE 908 PM CDT SAT SEP 22 2012 ...FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM CDT SUNDAY... A FROST ADVISORY REMAINS IN EFFECT FROM 3 AM TO 8 AM CDT SUNDAY. * TEMPERATURES...OVERNIGHT READINGS WILL FALL TO BETWEEN 33 TO 36 DEGREES...BRINGING AREAS OF FROST TO THE REGION BY SUNDAY MORNING. * IMPACTS...EXPOSED PLANTS AND TENDER VEGETATION MAY SUFFER FREEZE DAMAGE. PEOPLE INTERESTED IN PROTECTING THEIR PLANTS NEED TO TAKE ACTION THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ DEROCHE
926 WWUS73 KEAX 230926 NPWEAX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 426 AM CDT SUN SEP 23 2012 ...AN EARLY FROST TO GREET AUTUMN... .A COLD CANADIAN AIRMASS HAS SETTLED INTO THE CENTRAL PLAINS BRINGING COOL TEMPERATURES TO THE REGION. THE EXTREMELY DRY NATURE OF THE AIRMASS...COUPLED WITH THE COLD TEMPERATURES...MAY RESULT IN AREAS OF FROST SUNDAY MORNING...ESPECIALLY IN LOW LYING AREAS AND WHERE THE WIND IS CALM. AREAS MOST AT RISK TO EXPERIENCING THESE CONDITIONS WILL BE ALONG AND NORTH OF HWY 36. KSZ025-102-MOZ001>008-011>017-020>025-231300- /O.CON.KEAX.FR.Y.0002.000000T0000Z-120923T1300Z/ ATCHISON KS-DONIPHAN-ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON- MERCER-PUTNAM-SCHUYLER-HOLT-ANDREW-DE KALB-DAVIESS-GRUNDY- SULLIVAN-ADAIR-BUCHANAN-CLINTON-CALDWELL-LIVINGSTON-LINN MO-MACON- INCLUDING THE CITIES OF...ATCHISON...TROY...TARKIO...MARYVILLE... GRANT CITY...ALBANY...STANBERRY...BETHANY...PRINCETON... UNIONVILLE...LANCASTER...DOWNING...MOUND CITY...OREGON... SAVANNAH...CAMERON...GALLATIN...JAMESPORT...TRENTON...MILAN... GREEN CITY...KIRKSVILLE...ST. JOSEPH...PLATTSBURG...HAMILTON... POLO...CHILLICOTHE...BROOKFIELD...MACON...LA PLATA 426 AM CDT SUN SEP 23 2012 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING... A FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING. * TEMPERATURES...BY DAYBREAK WILL FALL TO BETWEEN 33 TO 36 DEGREES...BRINGING AREAS OF FROST TO THE REGION. * IMPACTS...EXPOSED PLANTS AND TENDER VEGETATION MAY SUFFER FREEZE DAMAGE. PEOPLE INTERESTED IN PROTECTING THEIR PLANTS NEED TO TAKE ACTION THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$ DUX
891 WWUS73 KEAX 231257 NPWEAX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE KANSAS CITY/PLEASANT HILL MO 757 AM CDT SUN SEP 23 2012 KSZ025-102-MOZ001>008-011>017-020>025-231400- /O.EXP.KEAX.FR.Y.0002.000000T0000Z-120923T1300Z/ ATCHISON KS-DONIPHAN-ATCHISON MO-NODAWAY-WORTH-GENTRY-HARRISON- MERCER-PUTNAM-SCHUYLER-HOLT-ANDREW-DE KALB-DAVIESS-GRUNDY- SULLIVAN-ADAIR-BUCHANAN-CLINTON-CALDWELL-LIVINGSTON-LINN MO-MACON- INCLUDING THE CITIES OF...ATCHISON...TROY...TARKIO...MARYVILLE... GRANT CITY...ALBANY...STANBERRY...BETHANY...PRINCETON... UNIONVILLE...LANCASTER...DOWNING...MOUND CITY...OREGON... SAVANNAH...CAMERON...GALLATIN...JAMESPORT...TRENTON...MILAN... GREEN CITY...KIRKSVILLE...ST. JOSEPH...PLATTSBURG...HAMILTON... POLO...CHILLICOTHE...BROOKFIELD...MACON...LA PLATA 757 AM CDT SUN SEP 23 2012 ...FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING... THE FROST ADVISORY WILL EXPIRE AT 8 AM CDT THIS MORNING. TEMPERATURES HAVE BEGUN TO RISE UNDER SUNNY SKIES...SO ANY FROST THAT FORMED OVERNIGHT WILL BEGIN TO DISSIPATE. THE ADVISORY HAS BEEN ALLOWED TO EXPIRE. $$ CUTTER
Nearby
Frost Advisories in Missouri, 2012Frost Advisories in Kansas, 2012Every frost advisory in 2012
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.