Alert archive / Missouri / Excessive Heat Warnings in 2021
Excessive Heat Warning 2, NWS Kansas City, MO
NWS Kansas City, MO issued this excessive heat warning at Jul 29, 2021, 2:55 PM CDT for 9 counties in Missouri; 7 counties in Kansas. It was in force for 29 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 29, 2021, 2:55 PM CDT (19:55 UTC)
- Expired
- Jul 30, 2021, 7:38 PM CDT
- In force
- 29 hr
- Issued by
- NWS Kansas City, MO
Counties Atchison County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Wyandotte County, KS, Bates County, MO, Buchanan County, MO, Cass County, MO, Clay County, MO, Henry County, MO, Jackson County, MO, Johnson County, MO, Pettis County, MO, Platte County, MO
The radar
The Pleasant Hill radar (KEAX), 30 km from the middle of the area, began a volume at 19:54 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, 7.9 hours before the alert went out and 95 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
- 1459 J/kg
- Mixed-layer CIN
- -200 J/kg
- Mixed-layer LCL
- 1436 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
504 WWUS73 KEAX 291955 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 255 PM CDT Thu Jul 29 2021 KSZ025-057-060-102>105-MOZ020-028-029-037-043>045-053-054-301000- /O.UPG.KEAX.HT.Y.0003.000000T0000Z-210731T0200Z/ /O.NEW.KEAX.EH.W.0002.210729T1955Z-210731T0200Z/ Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte- Johnson KS-Buchanan-Platte-Clay-Jackson-Cass-Johnson MO-Pettis- Bates-Henry- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Wathena, Elwood, Troy, Highland, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, St. Joseph Airport, St. Joseph, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kansas City, Independence, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Sedalia, Butler, Adrian, Rich Hill, Clinton, and Windsor 255 PM CDT Thu Jul 29 2021 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 9 PM CDT FRIDAY... * WHAT...Dangerously hot conditions with heat index values between 105 and 110 this afternoon, and near 105 Friday afternoon. * WHERE...Portions of east central and northeast Kansas and central, northwest and west central Missouri. * WHEN...Until 9 PM CDT Friday. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. * ADDITIONAL DETAILS...cumulative effects of several days of heat will result in dangerous heat conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ MOZ001-002-011-012-300200- /O.CON.KEAX.HT.Y.0003.000000T0000Z-210730T0200Z/ Atchison MO-Nodaway-Holt-Andrew- Including the cities of Tarkio, Rock Port, Fairfax, Maryville, Mound City, Oregon, Maitland, Forest City, Craig, Savannah, and Country Club Villa 255 PM CDT Thu Jul 29 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...Heat indicies 105 to 110 this afternoon. * WHERE...Portions of east central and northeast Kansas and northwest and west central Missouri. * WHEN...From noon Tuesday to 9 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ MOZ003>008-013>017-021>025-030>033-038>040-046-300200- /O.CON.KEAX.HT.Y.0003.000000T0000Z-210730T0200Z/ Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-De Kalb-Daviess- Grundy-Sullivan-Adair-Clinton-Caldwell-Livingston-Linn MO-Macon- Ray-Carroll-Chariton-Randolph-Lafayette-Saline-Howard-Cooper- Including the cities of Grant City, Albany, Stanberry, King City, Bethany, Princeton, Mercer, Unionville, Lancaster, Queen City, Greentop, Downing, Glenwood, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, Gallatin, Jamesport, Trenton, Milan, Green City, Kirksville, Cameron, Plattsburg, Lathrop, Hamilton, Braymer, Polo, Breckenridge, Chillicothe, Brookfield, Marceline, Macon, La Plata, Richmond, Lawson, Carrollton, Salisbury, Brunswick, Keytesville, Moberly, Odessa, Higginsville, Lexington, Concordia, Marshall, Fayette, Glasgow, New Franklin, and Boonville 255 PM CDT Thu Jul 29 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...Heat index values up to 110 expected. * WHERE...Portions of central, north central, northeast, northwest and west central Missouri. * WHEN...From noon Wednesday to 9 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ Blair
3 follow-up statements
775 WWUS73 KEAX 300842 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 342 AM CDT Fri Jul 30 2021 KSZ025-057-060-102>105-MOZ020-028-029-037-043>045-053-054-302115- /O.CON.KEAX.EH.W.0002.000000T0000Z-210731T0200Z/ Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte- Johnson KS-Buchanan-Platte-Clay-Jackson-Cass-Johnson MO-Pettis- Bates-Henry- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Wathena, Elwood, Troy, Highland, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, St. Joseph Airport, St. Joseph, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kansas City, Independence, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Sedalia, Butler, Adrian, Rich Hill, Clinton, and Windsor 342 AM CDT Fri Jul 30 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values of 100 to 105. * WHERE...Portions of east central and northeast Kansas and central, northwest and west central Missouri. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
982 WWUS73 KEAX 302024 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 324 PM CDT Fri Jul 30 2021 KSZ057-060-MOZ053-311200- /O.NEW.KEAX.EH.W.0003.210731T1800Z-210801T0100Z/ /O.CON.KEAX.EH.W.0002.000000T0000Z-210731T0200Z/ Miami-Linn KS-Bates- Including the cities of Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Butler, Adrian, and Rich Hill 324 PM CDT Fri Jul 30 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... ...EXCESSIVE HEAT WARNING IN EFFECT FROM 1 PM TO 8 PM CDT SATURDAY... * WHAT...For the first Excessive Heat Warning, dangerously hot conditions with heat index values up to 106. For the second Excessive Heat Warning, dangerously hot conditions with heat index values up to 105expected. * WHERE...In Kansas, Miami and Linn KS Counties. In Missouri, Bates County. * WHEN...For the first Excessive Heat Warning, until 9 PM CDT this evening. For the second Excessive Heat Warning, from 1 PM to 8 PM CDT Saturday. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ KSZ025-102>105-MOZ020-028-029-037-043>045-054-310200- /O.CON.KEAX.EH.W.0002.000000T0000Z-210731T0200Z/ Atchison KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-Buchanan- Platte-Clay-Jackson-Cass-Johnson MO-Pettis-Henry- Including the cities of Atchison, Wathena, Elwood, Troy, Highland, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, St. Joseph Airport, St. Joseph, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kansas City, Independence, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Sedalia, Clinton, and Windsor 324 PM CDT Fri Jul 30 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values of 105 to 110. * WHERE...Portions of east central and northeast Kansas and central, northwest and west central Missouri. * WHEN...Until 9 PM CDT this evening. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$
492 WWUS73 KEAX 310038 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 738 PM CDT Fri Jul 30 2021 KSZ057-060-MOZ053-311000- /O.CAN.KEAX.EH.W.0002.000000T0000Z-210731T0200Z/ /O.CON.KEAX.EH.W.0003.210731T1800Z-210801T0100Z/ Miami-Linn KS-Bates- Including the cities of Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Butler, Adrian, and Rich Hill 738 PM CDT Fri Jul 30 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 1 PM TO 8 PM CDT SATURDAY... * WHAT...Dangerously hot conditions Saturday afternoon with heat index values up to 105 expected. * WHERE...In Kansas, Linn KS and Miami Counties. In Missouri, Bates County. * WHEN...From 1 PM to 8 PM CDT Saturday. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ KSZ025-102>105-MOZ020-028-029-037-043>045-054-310145- /O.CAN.KEAX.EH.W.0002.000000T0000Z-210731T0200Z/ Atchison KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-Buchanan- Platte-Clay-Jackson-Cass-Johnson MO-Pettis-Henry- Including the cities of Atchison, Wathena, Elwood, Troy, Highland, Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, St. Joseph Airport, St. Joseph, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kansas City, Independence, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Sedalia, Clinton, and Windsor 738 PM CDT Fri Jul 30 2021 ...EXCESSIVE HEAT WARNING IS CANCELLED... Temperatures have cooled this evening and are anticipated to cool further during the overnight hours. With lower temperatures expected tomorrow the excessive heat warning has been cancelled. $$
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 5:26 PM CDT | Special Weather Statement | EAX | Grundy | 49 min |
| Jul 29, 6:08 PM CDT | Special Weather Statement | EAX | Sullivan | 52 min |
| Jul 29, 6:42 PM CDT | Special Weather Statement | EAX | Sullivan | 48 min |
Nearby
Excessive Heat Warnings in Missouri, 2021Excessive Heat Warnings in Kansas, 2021Every excessive heat warning 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.