Alert archive / Ohio / Frost Advisories in 2021
Frost Advisory 7, NWS Wilmington, OH
NWS Wilmington, OH issued this frost advisory at May 9, 2021, 3:39 PM EDT for 6 counties in Indiana; 16 counties in Ohio. It took effect at May 10, 2021, 2:00 AM EDT. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- May 9, 2021, 3:39 PM EDT (19:39 UTC)
- In effect from
- May 10, 2021, 2:00 AM EDT
- Expired
- May 10, 2021, 8:00 AM EDT
- In force
- 6 hr
- Issued by
- NWS Wilmington, OH
All 22 counties
Dearborn County, IN, Fayette County, IN, Franklin County, IN, Ripley County, IN, Union County, IN, Wayne County, IN, Auglaize County, OH, Butler County, OH, Champaign County, OH, Clark County, OH, Darke County, OH, Delaware County, OH, Greene County, OH, Hardin County, OH, Logan County, OH, Madison County, OH, Mercer County, OH, Miami County, OH, Montgomery County, OH, Preble County, OH, Shelby County, OH, Union County, OH
The radar
The Cincinnati radar (KILN), 70 km from the middle of the area, began a volume at 19:43 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.7 hours before the alert went out and 70 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
- 1072 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 896 m²/s²
- 0-3 km storm-relative helicity
- 1335 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
834 WWUS71 KILN 091939 NPWILN URGENT - WEATHER MESSAGE National Weather Service Wilmington OH 339 PM EDT Sun May 9 2021 INZ050-058-059-066-073-074-OHZ026-034-035-042>046-051>054-060>062- 070-100345- /O.NEW.KILN.FR.Y.0007.210510T0600Z-210510T1200Z/ Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Hardin- Mercer-Auglaize-Darke-Shelby-Logan-Union OH-Delaware-Miami- Champaign-Clark-Madison-Preble-Montgomery-Greene-Butler- Including the cities of Richmond, Connersville, Liberty, West College Corner, Brookville, Batesville, Milan, Versailles, Lawrenceburg, Aurora, Kenton, Ada, Celina, Coldwater, Wapakoneta, St. Marys, Greenville, Sidney, Bellefontaine, Marysville, Delaware, Troy, Piqua, Tipp City, Urbana, Springfield, London, West Jefferson, Plain City, Eaton, Camden, Dayton, Kettering, Beavercreek, Fairborn, Xenia, Hamilton, Middletown, Fairfield, and Oxford 339 PM EDT Sun May 9 2021 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Portions of East Central and Southeast Indiana and Central, Southwest and West Central Ohio. * WHEN...From 2 AM to 8 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
3 follow-up statements
433 WWUS71 KILN 100101 NPWILN URGENT - WEATHER MESSAGE National Weather Service Wilmington OH 901 PM EDT Sun May 9 2021 INZ050-058-059-066-073-074-OHZ026-034-035-042>046-051>054-060>062- 070-100915- /O.CON.KILN.FR.Y.0007.210510T0600Z-210510T1200Z/ Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Hardin- Mercer-Auglaize-Darke-Shelby-Logan-Union OH-Delaware-Miami- Champaign-Clark-Madison-Preble-Montgomery-Greene-Butler- Including the cities of Richmond, Connersville, Liberty, West College Corner, Brookville, Batesville, Milan, Versailles, Lawrenceburg, Aurora, Kenton, Ada, Celina, Coldwater, Wapakoneta, St. Marys, Greenville, Sidney, Bellefontaine, Marysville, Delaware, Troy, Piqua, Tipp City, Urbana, Springfield, London, West Jefferson, Plain City, Eaton, Camden, Dayton, Kettering, Beavercreek, Fairborn, Xenia, Hamilton, Middletown, Fairfield, and Oxford 901 PM EDT Sun May 9 2021 ...FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 8 AM EDT MONDAY... * WHAT...Temperatures as low as 34 will result in frost formation. * WHERE...Portions of East Central and Southeast Indiana and Central, Southwest and West Central Ohio. * WHEN...From 2 AM to 8 AM EDT Monday. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ HATZOS
756 WWUS71 KILN 100727 NPWILN URGENT - WEATHER MESSAGE National Weather Service Wilmington OH 327 AM EDT Mon May 10 2021 INZ050-058-059-066-073-074-OHZ026-034-035-042>046-051>054-060>062- 070-101200- /O.CON.KILN.FR.Y.0007.000000T0000Z-210510T1200Z/ Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Hardin- Mercer-Auglaize-Darke-Shelby-Logan-Union OH-Delaware-Miami- Champaign-Clark-Madison-Preble-Montgomery-Greene-Butler- Including the cities of Richmond, Connersville, Liberty, West College Corner, Brookville, Batesville, Milan, Versailles, Lawrenceburg, Aurora, Kenton, Ada, Celina, Coldwater, Wapakoneta, St. Marys, Greenville, Sidney, Bellefontaine, Marysville, Delaware, Troy, Piqua, Tipp City, Urbana, Springfield, London, West Jefferson, Plain City, Eaton, Camden, Dayton, Kettering, Beavercreek, Fairborn, Xenia, Hamilton, Middletown, Fairfield, and Oxford 327 AM EDT Mon May 10 2021 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM EDT THIS MORNING... * WHAT...Temperatures as low as 35 will result in frost formation. * WHERE...Portions of East Central and Southeast Indiana and Central, Southwest and West Central Ohio. * WHEN...Until 8 AM EDT this morning. * IMPACTS...Frost could kill sensitive outdoor vegetation if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$
431 WWUS71 KILN 101155 NPWILN URGENT - WEATHER MESSAGE National Weather Service Wilmington OH 755 AM EDT Mon May 10 2021 INZ050-058-059-066-073-074-OHZ026-034-035-042>046-051>054-060>062- 070-101300- /O.EXP.KILN.FR.Y.0007.000000T0000Z-210510T1200Z/ Wayne-Fayette IN-Union IN-Franklin IN-Ripley-Dearborn-Hardin- Mercer-Auglaize-Darke-Shelby-Logan-Union OH-Delaware-Miami- Champaign-Clark-Madison-Preble-Montgomery-Greene-Butler- Including the cities of Richmond, Connersville, Liberty, West College Corner, Brookville, Batesville, Milan, Versailles, Lawrenceburg, Aurora, Kenton, Ada, Celina, Coldwater, Wapakoneta, St. Marys, Greenville, Sidney, Bellefontaine, Marysville, Delaware, Troy, Piqua, Tipp City, Urbana, Springfield, London, West Jefferson, Plain City, Eaton, Camden, Dayton, Kettering, Beavercreek, Fairborn, Xenia, Hamilton, Middletown, Fairfield, and Oxford 755 AM EDT Mon May 10 2021 ...FROST ADVISORY WILL EXPIRE AT 8 AM EDT THIS MORNING... Temperatures are rising and additional frost is no longer expected this morning, therefore the frost advisory will be allowed to expire at 8 AM. $$
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 9:44 AM EDT | Special Weather Statement | ILN | Dearborn | 31 min |
| May 9, 3:12 PM EDT | River Flood Advisory | ILN | Delaware, Franklin | 17 hr |
| May 9, 4:07 PM EDT | River Flood Warning | ILN | Shelby | 11 hr |
| May 9, 6:33 PM EDT | River Flood Warning | ILN | Pickaway | 62 hr |
Nearby
Frost Advisories in Ohio, 2021Frost Advisories in Indiana, 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.