Alert archive / Indiana / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 151, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 1, 2017, 3:52 PM EDT for Hamilton County, Indiana. It was in force for 28 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 1, 2017, 3:52 PM EDT (19:52 UTC)
- Expired
- Aug 1, 2017, 4:20 PM EDT
- In force
- 28 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 50.0 mph
County Hamilton County, IN
The radar
The Indianapolis radar (KIND), 39 km from the middle of the area, began a volume at 19:56 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 1, 4:10 PM EDT | TSTM WND DMG | 1 Nnw Nora, IN | TREE LIMBS DOWN. TIME ESTIMATED. |
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, 7.9 hours before the alert went out and 206 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
- 6 J/kg
- Mixed-layer CIN
- -53 J/kg
- Mixed-layer LCL
- 1474 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 8 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
054 WUUS53 KIND 011952 SVRIND INC057-012030- /O.NEW.KIND.SV.W.0151.170801T1952Z-170801T2030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Indianapolis IN 352 PM EDT TUE AUG 1 2017 The National Weather Service in Indianapolis has issued a * Severe Thunderstorm Warning for... Southwestern Hamilton County in central Indiana... * Until 430 PM EDT. * At 351 PM EDT, a severe thunderstorm was located over Carmel, or 10 miles north of Indianapolis, moving north at 15 mph. HAZARD...Quarter size hail. SOURCE...Trained weather spotters. IMPACT...Damage to vehicles is expected. * Locations impacted include... Carmel, Noblesville and Westfield. PRECAUTIONARY/PREPAREDNESS ACTIONS... Prepare immediately for large hail and deadly cloud to ground lightning. Seek shelter inside a well-built structure. Stay away from windows. && LAT...LON 4009 8595 3993 8610 3993 8619 4010 8622 TIME...MOT...LOC 1951Z 189DEG 11KT 3994 8614 HAIL...1.00IN WIND...<50MPH $$ MK
2 follow-up statements
335 WWUS53 KIND 012006 SVSIND Severe Weather Statement National Weather Service Indianapolis IN 406 PM EDT TUE AUG 1 2017 INC057-012030- /O.CON.KIND.SV.W.0151.000000T0000Z-170801T2030Z/ Hamilton IN- 406 PM EDT TUE AUG 1 2017 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT FOR CENTRAL HAMILTON COUNTY... At 406 PM EDT, a severe thunderstorm was located over Carmel, or 14 miles north of Indianapolis, moving north at 10 mph. HAZARD...Quarter size hail. SOURCE...Trained weather spotters. IMPACT...Damage to vehicles is expected. Locations impacted include... Carmel and Noblesville. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. Prepare immediately for large hail and deadly cloud to ground lightning. Seek shelter inside a well-built structure. Stay away from windows. && LAT...LON 3996 8607 3997 8608 4009 8608 4009 8595 TIME...MOT...LOC 2006Z 198DEG 8KT 3999 8606 HAIL...1.00IN WIND...<50MPH $$ MK
293
WWUS53 KIND 012020
SVSIND
Severe Weather Statement
National Weather Service Indianapolis IN
420 PM EDT TUE AUG 1 2017
INC057-012029-
/O.CAN.KIND.SV.W.0151.000000T0000Z-170801T2030Z/
Hamilton IN-
420 PM EDT TUE AUG 1 2017
...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL HAMILTON COUNTY IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been cancelled.
LAT...LON 3996 8607 3997 8608 4009 8608 4009 8595
TIME...MOT...LOC 2019Z 189DEG 11KT 4003 8605
$$
MKThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 3:41 PM EDT | Special Weather Statement | IND | Hamilton | 49 min |
| Aug 1, 4:13 PM EDT | Severe Thunderstorm Warning | IND | Fountain, Vermillion, Warren | 13 min |
| Aug 1, 4:36 PM EDT | Areal Flood Advisory | IND | Tippecanoe | 3 hr |
| Aug 1, 4:55 PM EDT | Areal Flood Advisory | IND | Warren | 3 hr |
Nearby
Severe Thunderstorm Warnings in Indiana, 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.