Alert archive / Ohio / Special Weather Statements in 2011
Special Weather Statement, NWS Northern Indiana
NWS Northern Indiana issued this special weather statement at Jul 18, 2011, 6:21 PM EDT for Allen County, Ohio. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 18, 2011, 6:21 PM EDT (22:21 UTC)
- Expired
- Jul 18, 2011, 6:45 PM EDT
- In force
- 24 min
- Issued by
- NWS Northern Indiana
County Allen County, OH
The radar
The Northern Indiana radar (KIWX), 140 km from the middle of the area, began a volume at 22:23 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, 10.4 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
- 1057 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 878 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 22 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.1
The text
As transmitted, in the capitals the NWS used until 2016.
146
WWUS83 KIWX 182221
SPSIWX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTHERN INDIANA
621 PM EDT MON JUL 18 2011
OHZ024-025-182245-
ALLEN OH-VAN WERT OH-
621 PM EDT MON JUL 18 2011
...STRONG THUNDERSTORM MOVING TOWARD SOUTHWESTERN ALLEN COUNTY
IN WEST CENTRAL OHIO...
AT 613 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
RAPIDLY DEVELOPING THUNDERSTORM NEAR SPENCERVILLE...OR 7 MILES
SOUTHWEST OF DELPHOS...MOVING EAST AT 25 MPH.
WINDS UP TO 50 MPH...FREQUENT CLOUD TO GROUND LIGHTNING AND BRIEF
HEAVY DOWNPOURS ARE POSSIBLE WITH THIS STORM.
LOCATIONS IN THE PATH OF THIS STORM INCLUDE...
FORT SHAWNEE AND LIMA...
ELIDA...
NEEDMORE...
CONANT...
KEMP...
HUME...
GUSTY WINDS MAY CAUSE SMALL BRANCHES TO BE BLOWN DOWN...AND LOOSE
OBJECTS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS
TREES.
SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED.
LAT...LON 4065 8412 4065 8414 4065 8421 4069 8422
4069 8433 4068 8434 4068 8444 4073 8444
4073 8449 4082 8445 4080 8409
TIME...MOT...LOC 2220Z 283DEG 22KT 4075 8435
$$The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 18, 3:59 AM EDT | Heat Advisory | IWX | Adams, Allen, Blackford, Cass, DeKalb, Elkhart and 15 more | 16 hr |
| Jul 18, 8:07 AM EDT | Special Weather Statement | IWX | Pulaski, Starke | 38 min |
| Jul 18, 4:45 PM EDT | Special Weather Statement | IWX | Putnam | 30 min |
| Jul 18, 5:14 PM EDT | Special Weather Statement | IWX | Allen | 31 min |
| Jul 18, 6:45 PM EDT | Special Weather Statement | IWX | Allen | 30 min |
| Jul 18, 7:36 PM EDT | Special Weather Statement | IWX | Henry, Williams | 24 min |
Nearby
Special Weather Statements in Ohio, 2011Every special weather statement in 2011
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.