Alert archive / Ohio / Heat Advisories in 2021
Heat Advisory 4, NWS Cleveland, OH
NWS Cleveland, OH issued this heat advisory at Aug 24, 2021, 3:38 AM EDT for 6 counties in Ohio. It took effect at Aug 24, 2021, 2:00 PM EDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Aug 24, 2021, 3:38 AM EDT (07:38 UTC)
- In effect from
- Aug 24, 2021, 2:00 PM EDT
- Expired
- Aug 24, 2021, 9:00 PM EDT
- In force
- 7 hr
- Issued by
- NWS Cleveland, OH
Counties Hancock County, OH, Lucas County, OH, Ottawa County, OH, Sandusky County, OH, Seneca County, OH, Wood County, OH
The radar
The Cleveland radar (KCLE), 123 km from the middle of the area, began a volume at 07:44 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
Detroit, MI (KDTX), launched 00:00Z, 7.6 hours before the alert went out and 154 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
- 1895 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 30 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
621 WWUS71 KCLE 240738 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 338 AM EDT Tue Aug 24 2021 OHZ003-006>008-017-018-241545- /O.NEW.KCLE.HT.Y.0004.210824T1800Z-210825T0100Z/ Lucas-Wood-Ottawa-Sandusky-Hancock-Seneca- Including the cities of Toledo, Bowling Green, Perrysburg, Port Clinton, Oak Harbor, Genoa, Fremont, Bellevue, Clyde, Findlay, Tiffin, and Fostoria 338 AM EDT Tue Aug 24 2021 ...HEAT ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM EDT THIS EVENING... * WHAT...Heat index values up to 102 expected. * WHERE...Lucas, Wood, Ottawa, Sandusky, Hancock and Seneca Counties. * WHEN...From 2 PM this afternoon to 9 PM EDT this evening. * 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. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
2 follow-up statements
287 WWUS71 KCLE 241334 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 934 AM EDT Tue Aug 24 2021 OHZ003-006>008-017-018-250100- /O.CON.KCLE.HT.Y.0004.210824T1800Z-210825T0100Z/ Lucas-Wood-Ottawa-Sandusky-Hancock-Seneca- Including the cities of Toledo, Bowling Green, Perrysburg, Port Clinton, Oak Harbor, Genoa, Fremont, Bellevue, Clyde, Findlay, Tiffin, and Fostoria 934 AM EDT Tue Aug 24 2021 ...HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 PM EDT THIS EVENING... * WHAT...Heat index values up to 102 expected. * WHERE...Lucas, Hancock, Ottawa, Wood, Sandusky and Seneca Counties. * WHEN...From 2 PM this afternoon to 9 PM EDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses to occur. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Young children and pets should never be left unattended in vehicles under any circumstances. Take extra precautions if you work or spend time outside. When possible reschedule strenuous activities to early morning or evening. Know the signs and symptoms of heat exhaustion and heat stroke. Wear lightweight and loose fitting clothing when possible. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. && $$ For more information from the National Weather Service visit http://www.weather.gov/cle
283 WWUS71 KCLE 250102 NPWCLE URGENT - WEATHER MESSAGE National Weather Service Cleveland OH 902 PM EDT Tue Aug 24 2021 OHZ003-006>008-017-018-250215- /O.EXP.KCLE.HT.Y.0004.000000T0000Z-210825T0100Z/ Lucas-Wood-Ottawa-Sandusky-Hancock-Seneca- Including the cities of Toledo, Bowling Green, Perrysburg, Port Clinton, Oak Harbor, Genoa, Fremont, Bellevue, Clyde, Findlay, Tiffin, and Fostoria 902 PM EDT Tue Aug 24 2021 ...HEAT ADVISORY HAS EXPIRED... Temperatures and heat indices will continue to decrease this evening with the loss of daytime heating. $$ For more information from the National Weather Service visit http://www.weather.gov/cle
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 3:36 PM EDT | Special Weather Statement | CLE | Hancock | 24 min |
| Aug 24, 3:57 PM EDT | Special Weather Statement | CLE | Hancock | 33 min |
| Aug 24, 4:34 PM EDT | Special Weather Statement | CLE | Wyandot | 41 min |
Nearby
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.