Alert archive / Ohio / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 101, NWS Wilmington, OH
NWS Wilmington, OH issued this severe thunderstorm warning at May 4, 2012, 4:59 PM EDT for 4 counties in Ohio. It was in force for 34 min. 2 reports 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
- May 4, 2012, 4:59 PM EDT (20:59 UTC)
- Expired
- May 4, 2012, 5:33 PM EDT
- In force
- 34 min
- Issued by
- NWS Wilmington, OH
- Area
- Storm-based polygon
Counties Butler County, OH, Clinton County, OH, Greene County, OH, Warren County, OH
The radar
The Cincinnati radar (KILN), 33 km from the middle of the area, began a volume at 21:03 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 |
|---|---|---|---|
| May 4, 5:01 PM EDT | HAIL 0.88 | Middletown, OH | |
| May 4, 5:13 PM EDT | HAIL 0.75 | 1 S Springboro, OH | DIME TO PENNY SIZE HAIL, ESTIMATED 50 MPH WINDS, AND NEAR ZERO VISIBILITY AT SPRINGBORO HIGH SCHOOL |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 9.0 hours before the alert went out and 34 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
- 476 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 540 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 44 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
499
WUUS51 KILN 042059
SVRILN
OHC017-027-057-165-042145-
/O.NEW.KILN.SV.W.0101.120504T2059Z-120504T2145Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE WILMINGTON OH
459 PM EDT FRI MAY 4 2012
THE NATIONAL WEATHER SERVICE IN WILMINGTON HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
EASTERN BUTLER COUNTY IN SOUTHWEST OHIO...
NORTHWESTERN CLINTON COUNTY IN SOUTHWEST OHIO...
NORTHERN WARREN COUNTY IN SOUTHWEST OHIO...
SOUTHWESTERN GREENE COUNTY IN WEST CENTRAL OHIO...
* UNTIL 545 PM EDT.
* AT 458 PM EDT...RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF
PRODUCING QUARTER SIZE HAIL AND WINDS TO 60 MPH. THIS STORM WAS
LOCATED NEAR MONROE...MOVING EAST AT 30 MPH.
* LOCATIONS IMPACTED INCLUDE...
SPRINGBORO...
LEBANON...
WAYNESVILLE...
IN ADDITION...STATE ROUTE 63 AT STATE ROUTE 741...PEKIN...GENNTOWN...
STATE ROUTE 48 AT STATE ROUTE 73...LYTLE...OREGONIA...CORWIN AND
CAESAR CREEK STATE PARK ARE NEAR THE PATH OF THIS SEVERE
THUNDERSTORM.
THIS INCLUDES THE FOLLOWING INTERSTATES...
I-71 BETWEEN MILE MARKERS 34 AND 49...
I-75 BETWEEN MILE MARKERS 28 AND 40...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
STAY INDOORS AND AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED.
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT
FRIDAY EVENING FOR SOUTHEAST INDIANA AND NORTHERN KENTUCKY.
&&
LAT...LON 3955 8440 3959 8421 3958 8412 3961 8411
3964 8387 3940 8386 3942 8439
TIME...MOT...LOC 2059Z 264DEG 25KT 3949 8430
$$2 follow-up statements
583
WWUS51 KILN 042110
SVSILN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
510 PM EDT FRI MAY 4 2012
OHC017-042120-
/O.CAN.KILN.SV.W.0101.000000T0000Z-120504T2145Z/
BUTLER OH-
510 PM EDT FRI MAY 4 2012
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN BUTLER COUNTY HAS BEEN
CANCELLED...
PLEASE REPORT PREVIOUS WIND DAMAGE OR HAIL TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...877-633-6772.
LAT...LON 3956 8430 3959 8421 3958 8412 3961 8411
3964 8387 3940 8386 3945 8426
TIME...MOT...LOC 2110Z 264DEG 25KT 3950 8420
$$
OHC027-057-165-042145-
/O.CON.KILN.SV.W.0101.000000T0000Z-120504T2145Z/
CLINTON OH-GREENE OH-WARREN OH-
510 PM EDT FRI MAY 4 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM EDT
FOR NORTHERN WARREN...SOUTHWESTERN GREENE AND NORTHWESTERN CLINTON
COUNTIES...
AT 507 PM EDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND WINDS TO 60 MPH. THIS
STORM WAS LOCATED NEAR PEKIN...MOVING EAST AT 30 MPH.
LOCATIONS IMPACTED INCLUDE...
WAYNESVILLE.
IN ADDITION...GENNTOWN...STATE ROUTE 48 AT STATE ROUTE 73...LYTLE...
OREGONIA...CORWIN...CAESAR CREEK STATE PARK...MOUNT HOLLY AND ROXANNA
ARE NEAR THE PATH OF THIS STORM.
THIS INCLUDES THE FOLLOWING INTERSTATE...
I-71 BETWEEN MILE MARKERS 38 AND 49...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL OR STRONG WINDS TO THE NATIONAL WEATHER SERVICE BY
CALLING TOLL FREE...877-633-6772...WHEN YOU CAN DO SO SAFELY.
&&
LAT...LON 3956 8430 3959 8421 3958 8412 3961 8411
3964 8387 3940 8386 3945 8426
TIME...MOT...LOC 2110Z 264DEG 25KT 3950 8420
$$303
WWUS51 KILN 042133
SVSILN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE WILMINGTON OH
533 PM EDT FRI MAY 4 2012
OHC027-057-165-042143-
/O.CAN.KILN.SV.W.0101.000000T0000Z-120504T2145Z/
CLINTON OH-GREENE OH-WARREN OH-
533 PM EDT FRI MAY 4 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WARREN...SOUTHWESTERN
GREENE AND NORTHWESTERN CLINTON COUNTIES HAS BEEN CANCELLED...
THE THUNDERSTORM HAS WEAKENED BELOW SEVERE LIMITS...THEREFORE THE
SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED.
PLEASE REPORT PREVIOUS WIND DAMAGE OR HAIL TO THE NATIONAL WEATHER
SERVICE BY CALLING TOLL FREE...877-633-6772.
LAT...LON 3956 8430 3959 8421 3958 8412 3961 8411
3964 8387 3940 8386 3945 8426
TIME...MOT...LOC 2133Z 264DEG 25KT 3952 8399
$$The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 2:43 PM EDT | Special Weather Statement | ILN | Auglaize | 32 min |
| May 4, 2:47 PM EDT | Areal Flood Advisory | ILN | Auglaize | 88 min |
| May 4, 3:15 PM EDT | Special Weather Statement | ILN | Hardin | 30 min |
| May 4, 3:26 PM EDT | Areal Flood Advisory | ILN | Hardin | 94 min |
| May 4, 4:05 PM EDT | Flash Flood Warning | ILN | Auglaize, Hardin, Logan | 65 min |
| May 4, 4:38 PM EDT | Special Weather Statement | ILN | Butler | 37 min |
| May 4, 5:08 PM EDT | Severe Thunderstorm Warning | ILN | Greene, Montgomery | 26 min |
| May 4, 5:11 PM EDT | Special Weather Statement | ILN | Logan | 34 min |
| May 4, 5:39 PM EDT | Special Weather Statement | ILN | Champaign | 36 min |
| May 4, 5:42 PM EDT | Areal Flood Advisory | ILN | Champaign, Logan, Union | 2 hr |
| May 4, 5:44 PM EDT | Tornado Warning | ILN | Champaign | 22 min |
| May 4, 6:17 PM EDT | Special Weather Statement | ILN | Champaign | 28 min |
| May 4, 6:29 PM EDT | Special Weather Statement | ILN | Madison | 31 min |
| May 4, 6:37 PM EDT | Special Weather Statement | ILN | Miami | 23 min |
| May 4, 6:45 PM EDT | Severe Thunderstorm Warning | ILN | Fayette, Franklin, Madison, Pickaway | 45 min |
| May 4, 6:49 PM EDT | Areal Flood Advisory | ILN | Delaware, Franklin, Madison, Union | 116 min |
| May 4, 6:54 PM EDT | Special Weather Statement | ILN | Warren | 66 min |
| May 4, 7:36 PM EDT | Areal Flood Advisory | ILN | Auglaize, Champaign, Clark, Greene, Logan, Madison and 4 more | 5 hr |
| May 4, 7:50 PM EDT | Special Weather Statement | ILN | Adams | 25 min |
| May 4, 7:53 PM EDT | Flash Flood Warning | ILN | Champaign, Clark | 4 hr |
| May 4, 7:55 PM EDT | Areal Flood Advisory | ILN | Delaware, Fairfield, Franklin, Hocking, Licking, Madison and 2 more | 4 hr |
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.