Alert archive / Missouri / Frost Advisories in 2021
Frost Advisory 1, NWS Kansas City, MO
NWS Kansas City, MO issued this frost advisory at Apr 1, 2021, 3:22 AM CDT for 5 counties in Kansas; 9 counties in Missouri. It took effect at Apr 2, 2021, 1:00 AM CDT. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 1, 2021, 3:22 AM CDT (08:22 UTC)
- In effect from
- Apr 2, 2021, 1:00 AM CDT
- Expired
- Apr 2, 2021, 9:00 AM CDT
- In force
- 8 hr
- Issued by
- NWS Kansas City, MO
Counties Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Bates County, MO, Cass County, MO, Clay County, MO, Henry County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Platte County, MO, Ray County, MO
The radar
The Pleasant Hill radar (KEAX), 15 km from the middle of the area, began a volume at 08:22 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 00:00Z, 8.4 hours before the alert went out and 106 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
- 2859 m above ground
- 0-6 km bulk shear
- 61 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 179 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
978 WWUS73 KEAX 010822 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 322 AM CDT Thu Apr 1 2021 MOZ031>033-039-040-045-046-012100- /O.NEW.KEAX.FZ.W.0002.210402T0600Z-210402T1400Z/ /O.CON.KEAX.FZ.W.0001.000000T0000Z-210401T1400Z/ Carroll-Chariton-Randolph-Saline-Howard-Pettis-Cooper- Including the cities of Carrollton, Salisbury, Brunswick, Keytesville, Moberly, Marshall, Fayette, Glasgow, New Franklin, Sedalia, and Boonville 322 AM CDT Thu Apr 1 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...FREEZE WARNING IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY... * WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 23. For the second Freeze Warning, sub-freezing temperatures as low as 29 expected. * WHERE...Carroll, Chariton, Randolph, Saline, Howard, Pettis and Cooper Counties. * WHEN...For the first Freeze Warning, until 9 AM CDT this morning. For the second Freeze Warning, from 1 AM to 9 AM CDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. 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. && $$ KSZ057-060-103>105-MOZ028>030-037-038-043-044-053-054-012100- /O.NEW.KEAX.FR.Y.0001.210402T0600Z-210402T1400Z/ /O.CON.KEAX.FZ.W.0001.000000T0000Z-210401T1400Z/ Miami-Linn KS-Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Ray- Jackson-Lafayette-Cass-Johnson MO-Bates-Henry- Including the cities of Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Richmond, Lawson, Kansas City, Independence, Odessa, Higginsville, Lexington, Concordia, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Butler, Adrian, Rich Hill, Clinton, and Windsor 322 AM CDT Thu Apr 1 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... ...FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY... * WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25. For the Frost Advisory, temperatures as low as 31 will result in frost formation. * WHERE...Portions of east central and northeast Kansas and west central Missouri. * WHEN...For the Freeze Warning, until 9 AM CDT this morning. For the Frost Advisory, from 1 AM to 9 AM CDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. To prevent freezing and possible bursting of outdoor water pipes they should be wrapped, drained, or allowed to drip slowly. Those that have in-ground sprinkler systems should drain them and cover above- ground pipes to protect them from freezing. && $$
4 follow-up statements
985 WWUS73 KEAX 011358 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 858 AM CDT Thu Apr 1 2021 MOZ031>033-039-040-045-046-012200- /O.EXP.KEAX.FZ.W.0001.000000T0000Z-210401T1400Z/ /O.CON.KEAX.FZ.W.0002.210402T0600Z-210402T1400Z/ Carroll-Chariton-Randolph-Saline-Howard-Pettis-Cooper- Including the cities of Carrollton, Salisbury, Brunswick, Keytesville, Moberly, Marshall, Fayette, Glasgow, New Franklin, Sedalia, and Boonville 858 AM CDT Thu Apr 1 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY... ...FREEZE WARNING WILL EXPIRE AT 9 AM CDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Carroll, Randolph, Chariton, Saline, Pettis, Cooper and Howard Counties. * WHEN...From 1 AM to 9 AM CDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. 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. && $$ KSZ057-060-103>105-MOZ028>030-037-038-043-044-053-054-012200- /O.EXP.KEAX.FZ.W.0001.000000T0000Z-210401T1400Z/ /O.CON.KEAX.FR.Y.0001.210402T0600Z-210402T1400Z/ Miami-Linn KS-Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Ray- Jackson-Lafayette-Cass-Johnson MO-Bates-Henry- Including the cities of Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Richmond, Lawson, Kansas City, Independence, Odessa, Higginsville, Lexington, Concordia, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Butler, Adrian, Rich Hill, Clinton, and Windsor 858 AM CDT Thu Apr 1 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY... ...FREEZE WARNING WILL EXPIRE AT 9 AM CDT THIS MORNING... * WHAT...Temperatures as low as 31 will result in frost formation. * WHERE...Portions of east central and northeast Kansas and west central Missouri. * WHEN...From 1 AM to 9 AM CDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
030 WWUS73 KEAX 011918 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 218 PM CDT Thu Apr 1 2021 MOZ031>033-039-040-045-046-021100- /O.CON.KEAX.FZ.W.0002.210402T0600Z-210402T1400Z/ Carroll-Chariton-Randolph-Saline-Howard-Pettis-Cooper- Including the cities of Carrollton, Salisbury, Brunswick, Keytesville, Moberly, Marshall, Fayette, Glasgow, New Franklin, Sedalia, and Boonville 218 PM CDT Thu Apr 1 2021 ...FREEZE WARNING REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY... * WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Carroll, Randolph, Chariton, Saline, Pettis, Cooper and Howard Counties. * WHEN...From 1 AM to 9 AM CDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. 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. && $$ KSZ057-060-103>105-MOZ028>030-037-038-043-044-053-054-021100- /O.CON.KEAX.FR.Y.0001.210402T0600Z-210402T1400Z/ Miami-Linn KS-Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Ray- Jackson-Lafayette-Cass-Johnson MO-Bates-Henry- Including the cities of Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Richmond, Lawson, Kansas City, Independence, Odessa, Higginsville, Lexington, Concordia, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Butler, Adrian, Rich Hill, Clinton, and Windsor 218 PM CDT Thu Apr 1 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 1 AM TO 9 AM CDT FRIDAY... * WHAT...Temperatures as low as 31 will result in frost formation. * WHERE...Portions of east central and northeast Kansas and west central Missouri. * WHEN...From 1 AM to 9 AM CDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
421 WWUS73 KEAX 021047 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 547 AM CDT Fri Apr 2 2021 MOZ031>033-039-040-045-046-021400- /O.CON.KEAX.FZ.W.0002.000000T0000Z-210402T1400Z/ Carroll-Chariton-Randolph-Saline-Howard-Pettis-Cooper- Including the cities of Carrollton, Salisbury, Brunswick, Keytesville, Moberly, Marshall, Fayette, Glasgow, New Franklin, Sedalia, and Boonville 547 AM CDT Fri Apr 2 2021 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Sub-freezing temperatures as low as 28 expected. * WHERE...Carroll, Randolph, Chariton, Saline, Pettis, Cooper and Howard Counties. * WHEN...From 1 AM to 9 AM CDT Friday. * IMPACTS...Frost and freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. 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. && $$ KSZ057-060-103>105-MOZ028>030-037-038-043-044-053-054-021400- /O.CON.KEAX.FR.Y.0001.000000T0000Z-210402T1400Z/ Miami-Linn KS-Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Ray- Jackson-Lafayette-Cass-Johnson MO-Bates-Henry- Including the cities of Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Richmond, Lawson, Kansas City, Independence, Odessa, Higginsville, Lexington, Concordia, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Butler, Adrian, Rich Hill, Clinton, and Windsor 547 AM CDT Fri Apr 2 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM CDT THIS MORNING... * WHAT...Temperatures as low as 31 will result in frost formation. * WHERE...Portions of east central and northeast Kansas and west central Missouri. * WHEN...From 1 AM to 9 AM CDT Friday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
238 WWUS73 KEAX 021400 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 900 AM CDT Fri Apr 2 2021 MOZ031>033-039-040-045-046-021500- /O.EXP.KEAX.FZ.W.0002.000000T0000Z-210402T1400Z/ Carroll-Chariton-Randolph-Saline-Howard-Pettis-Cooper- Including the cities of Carrollton, Salisbury, Brunswick, Keytesville, Moberly, Marshall, Fayette, Glasgow, New Franklin, Sedalia, and Boonville 900 AM CDT Fri Apr 2 2021 ...FREEZE WARNING WILL EXPIRE AT 9 AM CDT THIS MORNING... Temperatures are above freezing and will warm well into the 50s and 60s through the day. No sub freezing temperatures are forecast for the next several days. $$ KSZ057-060-103>105-MOZ028>030-037-038-043-044-053-054-021500- /O.EXP.KEAX.FR.Y.0001.000000T0000Z-210402T1400Z/ Miami-Linn KS-Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Ray- Jackson-Lafayette-Cass-Johnson MO-Bates-Henry- Including the cities of Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Richmond, Lawson, Kansas City, Independence, Odessa, Higginsville, Lexington, Concordia, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Butler, Adrian, Rich Hill, Clinton, and Windsor 900 AM CDT Fri Apr 2 2021 ...FROST ADVISORY WILL EXPIRE AT 9 AM CDT THIS MORNING... Temperatures are above freezing and will warm well into the 50s and 60s through the day. No sub freezing temperatures are forecast for the next several days. $$
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 3:22 AM CDT | Freeze Warning | EAX | Carroll, Chariton, Cooper, Howard, Pettis, Randolph and 1 more | 30 hr |
Nearby
Frost Advisories in Missouri, 2021Frost Advisories in Kansas, 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.