Alert archive / Ohio / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 64, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at Jun 1, 2009, 10:20 AM EDT for 4 counties in Ohio. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jun 1, 2009, 10:20 AM EDT (14:20 UTC)
- Expired
- Jun 1, 2009, 10:45 AM EDT
- In force
- 25 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
Counties Clark County, OH, Fayette County, OH, Greene County, OH, Madison County, OH
The radar
The Cincinnati radar (KILN), 42 km from the middle of the area, began a volume at 14:20 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, 2.3 hours before the alert went out and 40 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
- 1714 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Jun 1, 8:09 AM EDT, 2 hours 11 minutes earlier.
Area forecast discussion, Jun 1, 8:09 AM EDT, 2 hours 11 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE WILMINGTON OH 809 AM EDT MON JUN 1 2009 .SYNOPSIS... LOW PRESSURE WILL MOVE ACROSS THE LOWER GREAT LAKES TODAY...WHICH WILL DRAG A COLD FRONT INTO THE AREA THIS EVENING. THE FRONT WILL LIFT BACK NORTH ON TUESDAY AS A WAVE OF LOW PRESSURE TRACKS ALONG IT. THE FRONT WILL THEN PUSH SOUTH THROUGH THE AREA ON WEDNESDAY. && .NEAR TERM /THROUGH TONIGHT/... UPDATING FORECAST TO ACCOUNT FOR A QUICKER LINE OF STORMS MOVING THROUGH NRN CWA EARLY THIS MORNING. THIS IS ABOUT 6 HOURS FASTER THAN THE MODELS WERE SAYING...AND APPEARS TO BE THE ONLY SHOT FOR THE MORNING HOURS. SOME ISOLATED SHOWERS MAY BE FOUND BEHIND IT EARLY THIS AFTERNOON. THIS LINE OF SHOWERS SHOULD LAY OUT A FRONTAL BOUNDARY THAT WILL BECOME A FOCUS FOR MORE SHOWERS AND STORMS LATER THIS AFTERNOON AND INTO THE EVENING. && .SHORT TERM /TUESDAY THROUGH WEDNESDAY NIGHT/... FRONT WILL LIFT BACK NORTH ON TUESDAY AS LOW PRESSURE RIDES ALONG THE BOUNDARY. SO MOST IF NOT ALL OF THE FORECAST AREA WILL BE IN THE WARM SECTOR. BOTH TEMPERATURES AND DEW POINTS ARE FORECAST TO BE HIGHER TOMORROW. SO EXPECT A BIT MORE INSTABILITY COMPARED TO TODAY. THUS EVEN THOUGH THE PRIMARY FOCUS WILL BE ON THE NORTHERN FRINGES...IT APPEARS THAT ISOLATED TO SCATTERED STORMS MAY DEVELOP ANYWHERE ACROSS THE REGION. ANY ACTIVITY THAT DOES DEVELOP WILL CONTINUE INTO THE EVENING BEFORE DIMINISHING. MAY GET ANOTHER INCREASE IN SHOWERS AND THUNDERSTORMS LATE TUESDAY NIGHT IN THE NORTHWEST ZONES AS A SHORT WAVE APPROACHES AND THE FRONT BEGINS TO MOVE BACK INTO THE AREA. A SHORT WAVE WILL MOVE ACROSS THE REGION ON WEDNESDAY WHICH WILL PUSH THE FRONT THROUGH THE ENTIRE AREA. SHOWERS AND THUNDERSTORMS SHOULD BECOME NUMEROUS AND HAVE RAISED POPS TO LIKELY. ADDITIONAL SHORT WAVE ENERGY MOVING THROUGH NEARLY ZONAL FLOW WILL KEEP THE CHANCE OF SHOWERS INTO WEDNESDAY NIGHT. USED A MOS BLEND FOR TEMPERATURES THROUGHOUT. && .LONG TERM /THURSDAY THROUGH SUNDAY/... SOME SHOWERS MAY LINGER INTO THURSDAY IN THE SOUTHERN ZONES BEFORE FINALLY MOVING OFF TO THE SOUTH AND EAST AS HIGH PRESSURE BUILDS IN. A WEAK DISTURBANCE WILL MOVE THROUGH ON FRIDAY ALTHOUGH IT APPEARS TO BE MOISTURE STARVED. THEN THE HIGH WILL BECOME REESTABLISHED FOR SATURDAY. A DEVELOPING WARM FRONT WILL BRING THE NEXT CHANCE OF SHOWERS AND THUNDERSTORMS ON SUNDAY. && .AVIATION /12Z MONDAY THROUGH FRIDAY/... CONVECTIVE COMPLEX SLIDING JUST NORTH OF TAF SITES. EXPECT SOME MID AND HIGH CLOUDS BUT BELIEVE PRECIP WILL STAY NORTH BUT WILL BE CLOSE AT DAT. SOME THINING DURING AFTERNOON BUT SOME CU SHOULD DEVELOP. ANOTHER ROUND OF SHRA/TSRA SHOULD AGAIN BE MAINLY NORTH OF TAF SITES THIS EVENING. WILL MENTION POSSIBILITY IN DAY/CMH AREA. EXPECT FOG WILL DEVELOP LATE TONIGHT TO SUNRISE TUESDAY WITH INCREASING DEW POINTS AND LIGHT WINDS. OUTLOOK...THERE WILL BE A CHANCE OF THUNDERSTORMS TUESDAY NIGHT THROUGH THURSDAY. && .ILN WATCHES/WARNINGS/ADVISORIES... OH...NONE. KY...NONE. IN...NONE. && SYNOPSIS... NEAR TERM...FRANKS SHORT TERM... LONG TERM... AVIATION...
Hazardous weather outlook, Jun 1, 5:00 AM EDT, 5 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE WILMINGTON OH 500 AM EDT MON JUN 1 2009 INZ050-058-059-OHZ026-034-035-042>046-051>056-060>062-020900- WAYNE-FAYETTE IN-UNION IN-HARDIN-MERCER-AUGLAIZE-DARKE-SHELBY-LOGAN- UNION OH-DELAWARE-MIAMI-CHAMPAIGN-CLARK-MADISON-FRANKLIN OH-LICKING- PREBLE-MONTGOMERY-GREENE- 500 AM EDT MON JUN 1 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL INDIANA...CENTRAL OHIO...MIAMI VALLEY OF OHIO AND WEST CENTRAL OHIO. .DAY ONE...TODAY AND TONIGHT. A FEW SEVERE THUNDERSTORMS ARE POSSIBLE LATE THIS AFTERNOON AND EVENING. THE ATMOSPHERE WILL BECOME MODERATELY UNSTABLE THIS AFTERNOON. AS A COLD FRONT APPROACHES LATE IN THE DAY...SHOWERS AND THUNDERSTORMS MAY DEVELOP INTO THE AREA. STORMS ARE EXPECTED TO INCREASE IN COVERAGE INTO THE EVENING AS THE FRONT SLOWLY SAGS SOUTHWARD. THERE MAY BE ENOUGH INSTABILITY INTO THE EVENING FOR A FEW OF THE STORMS TO REACH SEVERE LIMITS. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND EVENING. INZ066-073>075-080-KYZ089>100-OHZ063>065-070>074-077>082-088-020900- FRANKLIN IN-RIPLEY-DEARBORN-OHIO-SWITZERLAND-CARROLL-GALLATIN-BOONE- KENTON-CAMPBELL-OWEN-GRANT-PENDLETON-BRACKEN-ROBERTSON-MASON-LEWIS- FAYETTE OH-PICKAWAY-FAIRFIELD-BUTLER-WARREN-CLINTON-ROSS-HOCKING- HAMILTON-CLERMONT-BROWN-HIGHLAND-ADAMS-PIKE-SCIOTO- 500 AM EDT MON JUN 1 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST INDIANA...NORTHEAST KENTUCKY...NORTHERN KENTUCKY...CENTRAL OHIO...SOUTH CENTRAL OHIO AND SOUTHWEST OHIO. .DAY ONE...TODAY AND TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Jun 1, 8:23 AM EDT, 1 hour 57 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Jun 1, 8:45 AM EDT, 1 hour 35 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Jun 1, 8:54 AM EDT, 1 hour 26 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Jun 1, 9:06 AM EDT, 1 hour 14 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 8:08 AM EDT | Severe Thunderstorm Warning | ILN | Mercer | 39 min |
| Jun 1, 8:20 AM EDT | Severe Thunderstorm Warning | ILN | Mercer | 40 min |
| Jun 1, 8:29 AM EDT | Severe Thunderstorm Warning | ILN | Auglaize, Darke, Shelby | 46 min |
| Jun 1, 9:07 AM EDT | Severe Thunderstorm Warning | ILN | Champaign, Logan, Miami, Shelby | 38 min |
| Jun 1, 7:39 PM EDT | Severe Thunderstorm Warning | ILN | Hardin | 51 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 2009Every severe thunderstorm warning in 2009
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.