Alert archive / Ohio / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 25, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Mar 30, 2012, 7:06 PM EDT for Knox County, Ohio. It was in force for 24 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Mar 30, 2012, 7:06 PM EDT (23:06 UTC)
- Expired
- Mar 30, 2012, 7:30 PM EDT
- In force
- 24 min
- Issued by
- NWS Cleveland, OH
- Area
- Storm-based polygon
County Knox County, OH
The radar
The Cleveland radar (KCLE), 134 km from the middle of the area, began a volume at 23:10 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 |
|---|---|---|---|
| Mar 30, 7:13 PM EDT | HAIL 1.75 | Centerburg, OH | QUARTER TO GOLF BALL SIZED HAIL REPORTED. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 30, 3:24 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.1 hours before the alert went out and 147 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
- 825 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 249 m²/s²
- 0-3 km storm-relative helicity
- 364 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
056
WUUS51 KCLE 302306
SVRCLE
OHC083-302330-
/O.NEW.KCLE.SV.W.0025.120330T2306Z-120330T2330Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
706 PM EDT FRI MAR 30 2012
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN KNOX COUNTY IN NORTH CENTRAL OHIO
* UNTIL 730 PM EDT
* AT 705 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
OF 60 MPH. THIS STORM WAS LOCATED NEAR CENTERBURG...AND MOVING
EAST AT 35 MPH.
* LOCATIONS IMPACTED INCLUDE...
MOUNT VERNON...
GAMBIER...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. SEEK SHELTER INSIDE NOW AND STAY AWAY FROM
WINDOWS.
&&
PLEASE REPORT HAIL AND STRONG WINDS TO THE NATIONAL WEATHER SERVICE
BY CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
LAT...LON 4024 8247 4026 8249 4027 8275 4028 8276
4035 8275 4035 8265 4044 8264 4046 8263
4044 8218 4024 8219 4023 8220
TIME...MOT...LOC 2306Z 266DEG 30KT 4028 8273
$$
KUBINA2 follow-up statements
280
WWUS51 KCLE 302319
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
719 PM EDT FRI MAR 30 2012
OHC083-302330-
/O.CON.KCLE.SV.W.0025.000000T0000Z-120330T2330Z/
KNOX OH-
719 PM EDT FRI MAR 30 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM EDT
FOR SOUTHERN KNOX COUNTY...
AT 710 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR CENTERBURG...MOVING
EAST AT 35 MPH.
LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
MARTINSBURG...MOUNT VERNON AND GAMBIER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ONE INCH SIZE HAIL HAS BEEN REPORTED IN CENTERBURG WITH THIS
STORM. IF YOU ARE IN THE PATH OF THE STORM...TAKE IMMEDIATE ACTION
TO PROTECT LIFE AND PROPERTY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
FRIDAY EVENING FOR NORTHWESTERN OHIO.
&&
LAT...LON 4024 8247 4026 8249 4027 8275 4028 8276
4035 8275 4034 8265 4044 8259 4044 8218
4024 8219 4023 8220
TIME...MOT...LOC 2319Z 266DEG 30KT 4029 8259
$$
WILLARD027
WWUS51 KCLE 302330
SVSCLE
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
730 PM EDT FRI MAR 30 2012
OHC083-302340-
/O.EXP.KCLE.SV.W.0025.000000T0000Z-120330T2330Z/
KNOX OH-
730 PM EDT FRI MAR 30 2012
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN KNOX COUNTY EXPIRED
AT 730 PM EDT...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1100 PM EDT
FRIDAY EVENING FOR NORTHWESTERN OHIO.
LAT...LON 4024 8247 4026 8249 4027 8275 4028 8276
4035 8275 4034 8265 4044 8259 4044 8218
4024 8219 4023 8220
TIME...MOT...LOC 2330Z 266DEG 30KT 4029 8247
$$
WILLARDThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 10:07 AM EDT | Small Craft Advisory | CLE | 29 hr | |
| Mar 30, 6:27 PM EDT | Severe Thunderstorm Warning | CLE | Ashland, Morrow, Richland | 48 min |
| Mar 30, 7:27 PM EDT | Tornado Warning | CLE | Knox | 38 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 2012Every severe thunderstorm warning in 2012
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.