Alert archive / Ohio / Heat Advisories in 2017
Heat Advisory 2, NWS Wilmington, OH
NWS Wilmington, OH issued this heat advisory at Jul 21, 2017, 3:45 PM EDT for Butler County, Warren County, Ohio; Franklin County, Indiana. It took effect at Jul 22, 2017, 3:48 AM EDT. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Jul 21, 2017, 3:45 PM EDT (19:45 UTC)
- In effect from
- Jul 22, 2017, 3:48 AM EDT
- Expired
- Jul 22, 2017, 6:48 PM EDT
- In force
- 15 hr
- Issued by
- NWS Wilmington, OH
Counties Franklin County, IN, Butler County, OH, Warren County, OH
The radar
The Cincinnati radar (KILN), 67 km from the middle of the area, began a volume at 19:48 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, 7.8 hours before the alert went out and 69 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
- 1560 J/kg
- Mixed-layer CIN
- -63 J/kg
- Mixed-layer LCL
- 1088 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.8
What forecasters said that day
The local office's own words before this heat advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Wilmington, OH wrote its last area forecast discussion before this heat advisory went out at Jul 21, 1:52 PM EDT, 1 hour 53 minutes earlier.
Area forecast discussion, Jul 21, 1:52 PM EDT, 1 hour 53 minutes before
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</html>Hazardous weather outlook, Jul 21, 4:45 AM EDT, 11 hours before
Hazardous Weather Outlook National Weather Service Wilmington OH 445 AM EDT Fri Jul 21 2017 INZ050-058-059-066-OHZ026-034-035-042>046-051>056-060>065-070>074- 220900- Wayne-Fayette IN-Union IN-Franklin IN-Hardin-Mercer-Auglaize-Darke- Shelby-Logan-Union OH-Delaware-Miami-Champaign-Clark-Madison- Franklin OH-Licking-Preble-Montgomery-Greene-Fayette OH-Pickaway- Fairfield-Butler-Warren-Clinton-Ross-Hocking- 445 AM EDT Fri Jul 21 2017 This Hazardous Weather Outlook is for East Central Indiana, Southeast Indiana, Central Ohio, Southwest Ohio and West Central Ohio. .DAY ONE...Today and Tonight. A warm and humid airmass will be in place today with heat index values in the middle to upper 90s. Thunderstorms will be possible today. Although isolated damaging winds cannot be ruled out, the main threat will be heavy rainfall. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Heat index values in the mid to upper 90s will again be possible Saturday afternoon. Occasional thunderstorms can also be expected through the weekend. Some storms may become severe with the main severe threats being damaging winds and heavy rainfall. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required this weekend. INZ073>075-080-KYZ089>100-OHZ077>082-088-220900- Ripley-Dearborn-Ohio-Switzerland-Carroll-Gallatin-Boone-Kenton- Campbell-Owen-Grant-Pendleton-Bracken-Robertson-Mason-Lewis-Hamilton- Clermont-Brown-Highland-Adams-Pike-Scioto- 445 AM EDT Fri Jul 21 2017 ...HEAT ADVISORY IN EFFECT FROM NOON TODAY TO 7 PM EDT THIS EVENING... This Hazardous Weather Outlook is for Southeast Indiana, Northeast Kentucky, Northern Kentucky and Southwest Ohio. .DAY ONE...Today and Tonight. Please listen to NOAA Weather Radio or go to weather.gov on the Internet for more information about the following hazards. Heat Advisory. Thunderstorms will be possible today. Although isolated damaging winds cannot be ruled out, the main threat will be heavy rainfall. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. A warm and humid airmass will remain in place across the region into the weekend, with heat index values around 100 for Saturday. Occasional thunderstorms can also be expected through the weekend. Some storms may become severe with the main severe threats being damaging winds and heavy rainfall. .SPOTTER INFORMATION STATEMENT... Spotter activation may be required this weekend.
In the hours before
Local storm report, Jul 21, 11:55 AM EDT, 3 hours 50 minutes before
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</html>Local storm report, Jul 21, 12:10 PM EDT, 3 hours 35 minutes before
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</html>Local storm report, Jul 21, 12:39 PM EDT, 3 hours 6 minutes before
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</html>Local storm report, Jul 21, 12:46 PM EDT, 2 hours 59 minutes before
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</html>Local storm report, Jul 21, 1:11 PM EDT, 2 hours 34 minutes before
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</html>Local storm report, Jul 21, 1:41 PM EDT, 2 hours 4 minutes before
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</html>The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 6:18 AM EDT | Special Weather Statement | ILN | Darke | 42 min |
| Jul 21, 6:55 AM EDT | Special Weather Statement | ILN | Butler, Darke, Preble | 50 min |
| Jul 21, 7:23 AM EDT | Special Weather Statement | ILN | Greene, Miami, Montgomery, Shelby | 52 min |
| Jul 21, 7:28 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Champaign, Clark, Darke, Fayette, Greene and 7 more | 47 min |
| Jul 21, 7:38 AM EDT | Special Weather Statement | ILN | Butler, Hamilton, Warren | 52 min |
| Jul 21, 8:08 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Clark, Clinton, Fayette, Greene, Logan and 3 more | 37 min |
| Jul 21, 8:21 AM EDT | Special Weather Statement | ILN | Brown, Clermont, Clinton, Hamilton, Highland | 24 min |
| Jul 21, 8:37 AM EDT | Special Weather Statement | ILN | Champaign, Franklin, Madison, Pickaway | 38 min |
| Jul 21, 9:11 AM EDT | Special Weather Statement | ILN | Fairfield, Franklin | 49 min |
| Jul 21, 9:13 AM EDT | Areal Flood Advisory | ILN | Champaign, Clark, Fairfield, Franklin, Madison, Pickaway and 1 more | 3 hr |
| Jul 21, 9:47 AM EDT | Special Weather Statement | ILN | Licking | 43 min |
| Jul 21, 8:43 AM EDT | Special Weather Statement | ILN | Grant, Pendleton | 32 min |
| Jul 21, 9:05 AM EDT | Special Weather Statement | ILN | Bracken, Mason | 25 min |
| Jul 21, 7:07 PM EDT | Special Weather Statement | ILN | Boone | 23 min |
| Jul 21, 7:35 PM EDT | Special Weather Statement | ILN | Campbell | 25 min |
| Jul 21, 7:40 PM EDT | Special Weather Statement | ILN | Boone | 35 min |
Nearby
Heat Advisories in Ohio, 2017Heat Advisories in Indiana, 2017Every heat advisory in 2017
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.