Alert archive / Ohio / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 39, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Apr 20, 2017, 4:54 PM EDT for Putnam County, Ohio. It was in force for 36 min. 3 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
- Apr 20, 2017, 4:54 PM EDT (20:54 UTC)
- Expired
- Apr 20, 2017, 5:30 PM EDT
- In force
- 36 min
- Issued by
- NWS Northern Indiana
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Putnam County, OH
The radar
The Northern Indiana radar (KIWX), 134 km from the middle of the area, began a volume at 20:54 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 |
|---|---|---|---|
| Apr 20, 5:10 PM EDT | HAIL 1.5 | Kalida, OH | MULTIPLE REPORTS OF HAIL UP TO 1.5 INCH. |
| Apr 20, 5:12 PM EDT | HAIL 1 | Ottawa, OH | |
| Apr 20, 5:35 PM EDT | HAIL 1 | Kalida, OH |
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 |
|---|---|---|---|
| Apr 20, 2:08 PM EDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 8.9 hours before the alert went out and 179 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
- 234 J/kg
- Mixed-layer CIN
- -71 J/kg
- Mixed-layer LCL
- 1148 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 144 m²/s²
- 0-3 km storm-relative helicity
- 155 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
641
WUUS53 KIWX 202054
SVRIWX
OHC137-202130-
/O.NEW.KIWX.SV.W.0039.170420T2054Z-170420T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Northern Indiana
454 PM EDT THU APR 20 2017
The National Weather Service in Northern Indiana has issued a
* Severe Thunderstorm Warning for...
Central Putnam County in west central Ohio...
* Until 530 PM EDT
* At 454 PM EDT, a severe thunderstorm was located near Kalida, or 10
miles north of Delphos, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Ottawa, Columbus Grove, Leipsic, Kalida, Pandora, Glandorf, West
Leipsic, Gilboa, Cloverdale and Belmore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4092 8432 4099 8435 4099 8434 4103 8432
4117 8389 4117 8388 4093 8388
TIME...MOT...LOC 2054Z 256DEG 34KT 4098 8427
HAIL...1.00IN
WIND...60MPH
$$
NWS2 follow-up statements
683
WWUS53 KIWX 202108
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
508 PM EDT THU APR 20 2017
OHC137-202130-
/O.CON.KIWX.SV.W.0039.000000T0000Z-170420T2130Z/
Putnam OH-
508 PM EDT THU APR 20 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM EDT
FOR CENTRAL PUTNAM COUNTY...
At 507 PM EDT, a severe thunderstorm was located over Glandorf, or
near Ottawa, moving east at 40 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Ottawa, Columbus Grove, Leipsic, Kalida, Pandora, Glandorf, West
Leipsic, Gilboa, Cloverdale and Belmore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4092 8432 4099 8435 4099 8434 4103 8432
4117 8389 4117 8388 4093 8388
TIME...MOT...LOC 2107Z 256DEG 34KT 4101 8410
HAIL...1.00IN
WIND...60MPH
$$
NWS931
WWUS53 KIWX 202130
SVSIWX
Severe Weather Statement
National Weather Service Northern Indiana
530 PM EDT THU APR 20 2017
OHC137-202139-
/O.EXP.KIWX.SV.W.0039.000000T0000Z-170420T2130Z/
Putnam OH-
530 PM EDT THU APR 20 2017
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL PUTNAM COUNTY WILL
EXPIRE AT 530 PM EDT...
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.
A severe thunderstorm watch remains in effect until 800 PM EDT for
northwestern and west central Ohio.
LAT...LON 4092 8432 4099 8435 4099 8434 4103 8432
4117 8389 4117 8388 4093 8388
TIME...MOT...LOC 2129Z 263DEG 24KT 4104 8389
$$
NWSThe office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 19, 8:09 PM EDT | Special Weather Statement | IWX | Defiance | 36 min |
| Apr 19, 8:13 PM EDT | Severe Thunderstorm Warning | IWX | Defiance, Paulding | 47 min |
| Apr 19, 8:45 PM EDT | Special Weather Statement | IWX | Paulding, Putnam | 30 min |
| Apr 19, 9:00 PM EDT | Special Weather Statement | IWX | Henry | 30 min |
| Apr 20, 3:38 PM EDT | Severe Thunderstorm Warning | IWX | Defiance | 21 min |
| Apr 20, 4:39 PM EDT | Special Weather Statement | IWX | Putnam | 36 min |
| Apr 20, 5:35 PM EDT | Special Weather Statement | IWX | Putnam | 25 min |
| Apr 20, 6:23 PM EDT | Special Weather Statement | IWX | Putnam | 37 min |
| Apr 20, 6:53 PM EDT | Special Weather Statement | IWX | Fulton | 37 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 2017Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.