Alert archive / Missouri / Excessive Heat Warnings in 2021
Excessive Heat Warning 4, NWS Kansas City, MO
NWS Kansas City, MO issued this excessive heat warning at Aug 10, 2021, 2:50 AM CDT for Clay County, Jackson County, Platte County, Missouri; Johnson County, Leavenworth County, Wyandotte County, Kansas. It was in force for 65 hr. 22 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 10, 2021, 2:50 AM CDT (07:50 UTC)
- Expired
- Aug 12, 2021, 7:38 PM CDT
- In force
- 65 hr
- Issued by
- NWS Kansas City, MO
Counties Johnson County, KS, Leavenworth County, KS, Wyandotte County, KS, Clay County, MO, Jackson County, MO, Platte County, MO
The radar
The Pleasant Hill radar (KEAX), 53 km from the middle of the area, began a volume at 07:49 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 10, 8:35 AM CDT | TSTM WND DMG | 1 N Parkville, MO | SEVERAL REPORTS AND IMAGES FROM SOCIAL MEDIA OF SEVERAL TREE LIMBS DOWN. SOME LIMBS OF 12+ INCHES. |
| Aug 12, 3:36 PM CDT | HAIL 1 | Platte City, MO | |
| Aug 12, 3:56 PM CDT | HAIL 1 | 4 Nnw Weatherby Lake, MO | |
| Aug 12, 4:00 PM CDT | TSTM WND GST 60 | Kansas City Intl Airpor, MO | |
| Aug 12, 4:38 PM CDT | TSTM WND GST 82 | 1 Ne Independence, MO | DELAYED REPORT... ENTIRE TREE BRANCHES DOWN, POWER LINES DISCONNECTED/DOWN. E COLLEGE ST; E T.C. LEA RD. |
| Aug 12, 4:40 PM CDT | HAIL 1 | 2 E Blue Springs, MO | |
| Aug 12, 4:45 PM CDT | TSTM WND DMG | 2 Sse Blue Springs, MO | TREE LIMBS DOWNED |
| Aug 12, 4:45 PM CDT | TSTM WND DMG | 3 Sse Blue Springs, MO | FENCE DESTROYED, TREE LIMBS DOWNDED, AND BBQ GRILL THROWN SEVERAL YARDS OVER DUE TO STRONG WINDS. |
| Aug 12, 4:45 PM CDT | TSTM WND DMG | 3 Sse Blue Springs, MO | FENCE DESTROYED, TREE LIMBS DOWNED, AND BBQ GRILL THROWN A FEW YARDS DOWN DUE TO STRONG WIND GUSTS. |
| Aug 12, 4:47 PM CDT | HAIL 1.75 | 2 Nne Blue Springs, MO | |
| Aug 12, 4:54 PM CDT | HAIL 1.25 | 2 Ne Blue Springs, MO | DELAYED REPORT... |
| Aug 12, 5:00 PM CDT | HAIL 1 | Oak Grove, MO | DELAYED REPORT... |
| Aug 12, 5:00 PM CDT | HAIL 1.25 | 2 Ne Blue Springs, MO | DELAYED REPORT... |
| Aug 12, 5:02 PM CDT | HAIL 1.25 | 3 Ne Blue Springs, MO | DELAYED REPORT... |
| Aug 12, 5:09 PM CDT | HAIL 1.25 | 2 Ene Olathe, KS | DELAYED REPORT... |
| Aug 12, 5:11 PM CDT | HAIL 1 | Olathe, KS | |
| Aug 12, 5:15 PM CDT | HAIL 1.25 | 2 E Olathe, KS | DELAYED REPORT... |
| Aug 12, 5:17 PM CDT | TSTM WND GST 78 | 3 N Lee'S Summit, MO | LXT ASOS MEASURES 78 MPH WIND GUST |
| Aug 12, 5:20 PM CDT | HAIL 1.75 | Olathe, KS | QUARTER TO GOLF BALL SIZED HAIL |
| Aug 12, 5:38 PM CDT | TSTM WND GST 58 | Johnson Co Arpt, KS | |
| Aug 12, 5:38 PM CDT | HAIL 1 | Johnson Co Arpt, KS | |
| Aug 12, 7:30 PM CDT | HAIL 1.5 | 2 Ese Olathe, KS | DELAYED REPORT... |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Topeka, KS (KTOP), launched 00:00Z, 7.8 hours before the alert went out and 83 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
- 3834 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1380 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.2
The text
As transmitted.
439 WWUS73 KEAX 100750 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 250 AM CDT Tue Aug 10 2021 KSZ103>105-MOZ028-029-037-102130- /O.UPG.KEAX.HT.Y.0004.000000T0000Z-210813T0100Z/ /O.NEW.KEAX.EH.W.0004.210810T0750Z-210813T0100Z/ Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Jackson- Including the cities of Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kansas City, and Independence 250 AM CDT Tue Aug 10 2021 ...EXCESSIVE HEAT WARNING IN EFFECT UNTIL 8 PM CDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values between 105 and 110 degrees. Overnight low temperatures will be about 80 degrees each morning. * WHERE...In Kansas, Leavenworth, Wyandotte and Johnson KS Counties. In Missouri, Platte, Clay and Jackson Counties. * WHEN...Until 8 PM CDT Thursday. * 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. && $$ KSZ025-057-060-102-MOZ001>008-011>017-020>025-030>033-038>040- 043>046-053-054-102130- /O.CON.KEAX.HT.Y.0004.000000T0000Z-210813T0100Z/ Atchison KS-Miami-Linn 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-Ray-Carroll-Chariton-Randolph-Lafayette- Saline-Howard-Cass-Johnson MO-Pettis-Cooper-Bates-Henry- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Wathena, Elwood, Troy, Highland, Tarkio, Rock Port, Fairfax, Maryville, Grant City, Albany, Stanberry, King City, Bethany, Princeton, Mercer, Unionville, Lancaster, Queen City, Greentop, Downing, Glenwood, Oregon, Maitland, Forest City, Craig, Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, Gallatin, Jamesport, Trenton, Milan, Green City, Kirksville, St. Joseph Airport, St. Joseph, 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, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Sedalia, Boonville, Butler, Adrian, Rich Hill, Clinton, and Windsor 250 AM CDT Tue Aug 10 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THURSDAY... * WHAT...Heat index values in excess of 100 to 110 expected over multiple days. Overnight low temperatures will reside in the mid to upper 70s each morning. * WHERE...Portions of east central and northeast Kansas and central, north central, northeast, northwest and west central Missouri. * WHEN...From 1 PM this afternoon to 8 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. && $$
6 follow-up statements
582 WWUS73 KEAX 102006 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 306 PM CDT Tue Aug 10 2021 KSZ103>105-MOZ028-029-037-111130- /O.CON.KEAX.EH.W.0004.000000T0000Z-210813T0100Z/ Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Jackson- Including the cities of Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kansas City, and Independence 306 PM CDT Tue Aug 10 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values up to 109. * WHERE...In Kansas, Leavenworth, Johnson KS and Wyandotte Counties. In Missouri, Jackson, Platte and Clay Counties. * WHEN...Until 8 PM CDT Thursday. * 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. && $$ KSZ025-057-060-102-MOZ001>008-011>017-020>025-030>033-038>040- 043>046-053-054-111130- /O.CON.KEAX.HT.Y.0004.000000T0000Z-210813T0100Z/ Atchison KS-Miami-Linn 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-Ray-Carroll-Chariton-Randolph-Lafayette- Saline-Howard-Cass-Johnson MO-Pettis-Cooper-Bates-Henry- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Wathena, Elwood, Troy, Highland, Tarkio, Rock Port, Fairfax, Maryville, Grant City, Albany, Stanberry, King City, Bethany, Princeton, Mercer, Unionville, Lancaster, Queen City, Greentop, Downing, Glenwood, Oregon, Maitland, Forest City, Craig, Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, Gallatin, Jamesport, Trenton, Milan, Green City, Kirksville, St. Joseph Airport, St. Joseph, 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, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Sedalia, Boonville, Butler, Adrian, Rich Hill, Clinton, and Windsor 306 PM CDT Tue Aug 10 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THURSDAY... * WHAT...Heat index values up to 106. * WHERE...Portions of east central and northeast Kansas and central, north central, northeast, northwest and west central Missouri. * WHEN...Until 8 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. && $$
766 WWUS73 KEAX 110836 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 336 AM CDT Wed Aug 11 2021 KSZ103>105-MOZ028-029-037-112100- /O.CON.KEAX.EH.W.0004.000000T0000Z-210813T0100Z/ Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Jackson- Including the cities of Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kansas City, and Independence 336 AM CDT Wed Aug 11 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values up to 110 degrees. Overnight lows will only dip down to about 80s degrees. * WHERE...In Kansas, Leavenworth, Johnson KS and Wyandotte Counties. In Missouri, Jackson, Platte and Clay Counties. * WHEN...Until 8 PM CDT Thursday. * 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. && $$ KSZ025-057-060-102-MOZ001>008-011>017-020>025-030>033-038>040- 043>046-053-054-112100- /O.CON.KEAX.HT.Y.0004.000000T0000Z-210813T0100Z/ Atchison KS-Miami-Linn 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-Ray-Carroll-Chariton-Randolph-Lafayette- Saline-Howard-Cass-Johnson MO-Pettis-Cooper-Bates-Henry- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Wathena, Elwood, Troy, Highland, Tarkio, Rock Port, Fairfax, Maryville, Grant City, Albany, Stanberry, King City, Bethany, Princeton, Mercer, Unionville, Lancaster, Queen City, Greentop, Downing, Glenwood, Oregon, Maitland, Forest City, Craig, Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, Gallatin, Jamesport, Trenton, Milan, Green City, Kirksville, St. Joseph Airport, St. Joseph, 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, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Sedalia, Boonville, Butler, Adrian, Rich Hill, Clinton, and Windsor 336 AM CDT Wed Aug 11 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THURSDAY... * WHAT...Heat index values up to 108. Overnight lows will only dip down to the mid to upper 70s. * WHERE...Portions of east central and northeast Kansas and central, north central, northeast, northwest and west central Missouri. * WHEN...Until 8 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. && $$
541 WWUS73 KEAX 112008 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 308 PM CDT Wed Aug 11 2021 KSZ103>105-MOZ028-029-037-121130- /O.CON.KEAX.EH.W.0004.000000T0000Z-210813T0100Z/ Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Jackson- Including the cities of Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kansas City, and Independence 308 PM CDT Wed Aug 11 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THURSDAY... * WHAT...Dangerously hot conditions with heat index values up to 107. * WHERE...In Kansas, Leavenworth, Johnson KS and Wyandotte Counties. In Missouri, Jackson, Platte and Clay Counties. * WHEN...Until 8 PM CDT Thursday. * 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. && $$ KSZ025-057-060-102-MOZ001>008-011>017-020>025-030>033-038>040- 043>046-053-054-121130- /O.CON.KEAX.HT.Y.0004.000000T0000Z-210813T0100Z/ Atchison KS-Miami-Linn 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-Ray-Carroll-Chariton-Randolph-Lafayette- Saline-Howard-Cass-Johnson MO-Pettis-Cooper-Bates-Henry- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Wathena, Elwood, Troy, Highland, Tarkio, Rock Port, Fairfax, Maryville, Grant City, Albany, Stanberry, King City, Bethany, Princeton, Mercer, Unionville, Lancaster, Queen City, Greentop, Downing, Glenwood, Oregon, Maitland, Forest City, Craig, Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, Gallatin, Jamesport, Trenton, Milan, Green City, Kirksville, St. Joseph Airport, St. Joseph, 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, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Sedalia, Boonville, Butler, Adrian, Rich Hill, Clinton, and Windsor 308 PM CDT Wed Aug 11 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THURSDAY... * WHAT...Heat index values up to 107. * WHERE...Portions of east central and northeast Kansas and central, north central, northeast, northwest and west central Missouri. * WHEN...Until 8 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. && $$
073 WWUS73 KEAX 120853 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 353 AM CDT Thu Aug 12 2021 KSZ103>105-MOZ028-029-037-130100- /O.CON.KEAX.EH.W.0004.000000T0000Z-210813T0100Z/ Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Jackson- Including the cities of Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kansas City, and Independence 353 AM CDT Thu Aug 12 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110 degrees. Low this morning will only dip down to the upper 70s to low 80s. * WHERE...In Kansas, Leavenworth, Johnson KS and Wyandotte Counties. In Missouri, Jackson, Platte and Clay Counties. * WHEN...Until 8 PM CDT Thursday. * 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. && $$ KSZ025-057-060-102-MOZ001>008-011>017-020>025-030>033-038>040- 043>046-053-054-130100- /O.CON.KEAX.HT.Y.0004.000000T0000Z-210813T0100Z/ Atchison KS-Miami-Linn 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-Ray-Carroll-Chariton-Randolph-Lafayette- Saline-Howard-Cass-Johnson MO-Pettis-Cooper-Bates-Henry- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Wathena, Elwood, Troy, Highland, Tarkio, Rock Port, Fairfax, Maryville, Grant City, Albany, Stanberry, King City, Bethany, Princeton, Mercer, Unionville, Lancaster, Queen City, Greentop, Downing, Glenwood, Oregon, Maitland, Forest City, Craig, Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, Gallatin, Jamesport, Trenton, Milan, Green City, Kirksville, St. Joseph Airport, St. Joseph, 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, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Sedalia, Boonville, Butler, Adrian, Rich Hill, Clinton, and Windsor 353 AM CDT Thu Aug 12 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 108 degrees. Low this morning will only dip down to the mid to upper 70s. * WHERE...Portions of east central and northeast Kansas and central, north central, northeast, northwest and west central Missouri. * WHEN...Until 8 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. && $$
978 WWUS73 KEAX 122015 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 315 PM CDT Thu Aug 12 2021 MOZ005>008-014>017-023>025-122115- /O.CAN.KEAX.HT.Y.0004.000000T0000Z-210813T0100Z/ Harrison-Mercer-Putnam-Schuyler-Daviess-Grundy-Sullivan-Adair- Livingston-Linn MO-Macon- Including the cities of Bethany, Princeton, Mercer, Unionville, Lancaster, Queen City, Greentop, Downing, Glenwood, Gallatin, Jamesport, Trenton, Milan, Green City, Kirksville, Chillicothe, Brookfield, Marceline, Macon, and La Plata 315 PM CDT Thu Aug 12 2021 ...HEAT ADVISORY IS CANCELLED... Afternoon thunderstorms have cooled temperatures significantly to where the heat advisory is no longer needed. $$ KSZ103>105-MOZ028-029-037-130100- /O.CON.KEAX.EH.W.0004.000000T0000Z-210813T0100Z/ Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Jackson- Including the cities of Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kansas City, and Independence 315 PM CDT Thu Aug 12 2021 ...EXCESSIVE HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Dangerously hot conditions with heat index values up to 110 degrees this afternoon. * WHERE...In Kansas, Leavenworth, Johnson KS and Wyandotte Counties. In Missouri, Jackson, Platte and Clay Counties. * WHEN...Until 8 PM CDT Thursday. * IMPACTS...Extreme heat and humidity will significantly increase the potential for heat related illnesses, particularly for those working or participating in outdoor activities. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ KSZ025-057-060-102-MOZ001>004-011>013-020>022-030>033-038>040- 043>046-053-054-130100- /O.CON.KEAX.HT.Y.0004.000000T0000Z-210813T0100Z/ Atchison KS-Miami-Linn KS-Doniphan-Atchison MO-Nodaway-Worth- Gentry-Holt-Andrew-De Kalb-Buchanan-Clinton-Caldwell-Ray-Carroll- Chariton-Randolph-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis- Cooper-Bates-Henry- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Wathena, Elwood, Troy, Highland, Tarkio, Rock Port, Fairfax, Maryville, Grant City, Albany, Stanberry, King City, Oregon, Maitland, Forest City, Craig, Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, St. Joseph Airport, St. Joseph, Cameron, Plattsburg, Lathrop, Hamilton, Braymer, Polo, Breckenridge, Richmond, Lawson, Carrollton, Salisbury, Brunswick, Keytesville, Moberly, Odessa, Higginsville, Lexington, Concordia, Marshall, Fayette, Glasgow, New Franklin, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Sedalia, Boonville, Butler, Adrian, Rich Hill, Clinton, and Windsor 315 PM CDT Thu Aug 12 2021 ...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM CDT THIS EVENING... * WHAT...Heat index values up to 108 degrees this afternoon. * WHERE...Portions of east central and northeast Kansas and central, north central, northeast, northwest and west central Missouri. * WHEN...Until 8 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. && $$
330 WWUS73 KEAX 130038 NPWEAX URGENT - WEATHER MESSAGE National Weather Service Kansas City/Pleasant Hill MO 738 PM CDT Thu Aug 12 2021 KSZ103>105-MOZ028-029-037-130145- /O.CAN.KEAX.EH.W.0004.000000T0000Z-210813T0100Z/ Leavenworth-Wyandotte-Johnson KS-Platte-Clay-Jackson- Including the cities of Fort Leavenworth, Leavenworth, Lansing, Kansas City Kansas, Overland Park, Stanley, Olathe, Shawnee, Lenexa, Parkville, Platte City, Riverside, Weatherby Lake, Weston, Gladstone, Liberty, Excelsior Springs, Kansas City, and Independence 738 PM CDT Thu Aug 12 2021 ...EXCESSIVE HEAT WARNING IS CANCELLED... Evening showers have cooled temperatures to below dangerous thresholds. $$ KSZ025-057-060-102-MOZ001>004-011>013-020>022-030>033-038>040- 043>046-053-054-130145- /O.CAN.KEAX.HT.Y.0004.000000T0000Z-210813T0100Z/ Atchison KS-Miami-Linn KS-Doniphan-Atchison MO-Nodaway-Worth- Gentry-Holt-Andrew-De Kalb-Buchanan-Clinton-Caldwell-Ray-Carroll- Chariton-Randolph-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis- Cooper-Bates-Henry- Including the cities of Atchison, Paola, Osawatomie, Louisburg, Pleasanton, La Cygne, Mound City, Wathena, Elwood, Troy, Highland, Tarkio, Rock Port, Fairfax, Maryville, Grant City, Albany, Stanberry, King City, Oregon, Maitland, Forest City, Craig, Savannah, Country Club Villa, Maysville, Stewartsville, Osborn, Union Star, Clarksdale, St. Joseph Airport, St. Joseph, Cameron, Plattsburg, Lathrop, Hamilton, Braymer, Polo, Breckenridge, Richmond, Lawson, Carrollton, Salisbury, Brunswick, Keytesville, Moberly, Odessa, Higginsville, Lexington, Concordia, Marshall, Fayette, Glasgow, New Franklin, Belton, Raymore, Harrisonville, Pleasant Hill, Warrensburg, Sedalia, Boonville, Butler, Adrian, Rich Hill, Clinton, and Windsor 738 PM CDT Thu Aug 12 2021 ...HEAT ADVISORY IS CANCELLED... Evening showers have cooled temperatures below dangerous thresholds. $$
The office that day
Everything else NWS Kansas City, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 8:35 AM CDT | Special Weather Statement | EAX | Clay | 25 min |
| Aug 10, 9:37 AM CDT | Special Weather Statement | EAX | Lafayette | 23 min |
| Aug 10, 11:39 AM CDT | Special Weather Statement | EAX | Carroll, Ray | 36 min |
| Aug 10, 1:47 PM CDT | Special Weather Statement | EAX | Chariton | 28 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.