Alert archive / Indiana / Special Weather Statements in 2012
Special Weather Statement, NWS Indianapolis, IN
NWS Indianapolis, IN issued this special weather statement at Aug 4, 2012, 2:28 PM EDT for Marion County, Indiana. It was in force for 47 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
- Aug 4, 2012, 2:28 PM EDT (18:28 UTC)
- Expired
- Aug 4, 2012, 3:15 PM EDT
- In force
- 47 min
- Issued by
- NWS Indianapolis, IN
County Marion County, IN
The radar
The Indianapolis radar (KIND), 28 km from the middle of the area, began a volume at 18:29 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 |
|---|---|---|---|
| Aug 4, 3:05 PM EDT | TSTM WND DMG | 12 Ne Indianapolis, IN | ONE HEALTY TREE DOWN ACROSS THE ROAD AND PARTIALLY ONTO A PICK -UP TRUCK. TREE IS ABOUT 50 FEET TALL AND 16 TO 18 INCHES IN DIAMETER. LOCATION APPROX. |
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, 6.5 hours before the alert went out and 197 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
- 1883 J/kg
- Mixed-layer CIN
- -21 J/kg
- Mixed-layer LCL
- 495 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 58 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
693
WWUS83 KIND 041828
SPSIND
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
228 PM EDT SAT AUG 4 2012
INZ039-047-048-041915-
HAMILTON-HANCOCK-MARION-
228 PM EDT SAT AUG 4 2012
...STRONG THUNDERSTORM ADVISORY FOR SOUTHERN HAMILTON...WESTERN
HANCOCK AND MARION COUNTIES UNTIL 315 PM EDT...
AT 224 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR INDIANAPOLIS...MOVING NORTHEAST AT 30 MPH.
WIND GUSTS AROUND 45 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN.
LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE...
INDIANAPOLIS...
BEECH GROVE...
CARMEL...
LAWRENCE...
FISHERS...
MONUMENT CIRCLE...
WYNNEDALE...
SPRING HILL...
ROCKY RIPPLE...
CROWS NEST...
INDIANA STATE FAIRGROUNDS...
NORTH CROWS NEST...
MERIDIAN HILLS...
WARREN PARK...
BROAD RIPPLE...
WILLIAMS CREEK...
NEW PALESTINE...
CUMBERLAND...
CASTLETON...
GEIST RESERVOIR...
TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.
&&
LAT...LON 4000 8586 3994 8586 3994 8579 3980 8581
3970 8591 3970 8595 3964 8595 3963 8632
3992 8633 3993 8631 3992 8624 3996 8624
4005 8602
TIME...MOT...LOC 1826Z 233DEG 26KT 3975 8616
$$
PUMAThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 2:37 PM EDT | Severe Thunderstorm Warning | IND | Hamilton, Hancock, Marion | 38 min |
| Aug 4, 3:06 PM EDT | Severe Thunderstorm Warning | IND | Hamilton, Tipton | 39 min |
| Aug 4, 4:40 PM EDT | Special Weather Statement | IND | Carroll | 50 min |
| Aug 4, 5:25 PM EDT | Special Weather Statement | IND | Decatur | 35 min |
| Aug 4, 7:03 PM EDT | Special Weather Statement | IND | Tipton | 27 min |
| Aug 4, 7:09 PM EDT | Severe Thunderstorm Warning | IND | Howard, Madison, Tipton | 36 min |
| Aug 4, 7:19 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Hamilton, Henry, Madison | 41 min |
| Aug 4, 7:35 PM EDT | Severe Thunderstorm Warning | IND | Hancock | 29 min |
| Aug 4, 7:43 PM EDT | Severe Thunderstorm Warning | IND | Howard, Madison, Tipton | 32 min |
| Aug 4, 7:51 PM EDT | Severe Thunderstorm Warning | IND | Delaware, Randolph | 39 min |
| Aug 4, 7:58 PM EDT | Severe Thunderstorm Warning | IND | Henry | 35 min |
Nearby
Special Weather Statements in Indiana, 2012Every special weather statement 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.