Alert archive / Indiana / Severe Thunderstorm Warnings in 1996
Severe Thunderstorm Warning 35, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 21, 1996, 11:06 PM EST for Boone County, Clinton County, Montgomery County, Indiana. It was in force for 39 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Apr 21, 1996, 11:06 PM EST (04:06 UTC)
- Expired
- Apr 21, 1996, 11:45 PM EST
- In force
- 39 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
Counties Boone County, IN, Clinton County, IN, Montgomery County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 21, 11:10 PM EST | Hail 0.75 | Darlington, IN | |
| Apr 21, 11:25 PM EST | Hail 1.75 | Frankfort, IN |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 4.1 hours before the alert went out and 169 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2648 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 419 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 220406 SVRIND INC011-023-107-220445- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1106 PM EST SUN APR 21 1996 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1145 PM EST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN CENTRAL INDIANA ...NORTHWESTERN BOONE COUNTY...CLINTON COUNTY IN WEST CENTRAL INDIANA ...NORTHEASTERN MONTGOMERY COUNTY AT 1100 PM...A SEVERE THUNDERSTORM WAS 7 MILES NORTHEAST OF CRAWFORDSVILLE...NEAR DARLINGTON MOVING NORTHEAST TOWARD COLFAX AND FRANKFORT. LARGE HAIL WILL FALL FROM THIS STORM. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS. DS
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Apr 21, 8:13 PM EST, 2 hours 53 minutes before
INZ061-068>070-220230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 812 PM EST SUN APR 21 1996 ...STRONG THUNDERSTORM APPROACHING SOUTHERN DAVIESS AND SOUTHWEST MARTIN COUNTIES... AT 810 PM EST NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A STRONG THUNDERSTORM MOVING THROUGH NORTHERN PIKE COUNTY. THIS THUNDERSTORM WAS MOVING NORTHEAST AT 20 MPH. THIS STORM WILL MOVE INTO SOUTHEAST DAVIESS COUNTY BY 825 PM EST. THIS THUNDERSTORM MAY PRODUCE STRONG WINDS OF 30 TO 40 MPH...SMALL HAIL AND HEAVY RAIN. BE PREPARED TO MOVE INDOORS IF THIS STORM APPROACHES YOUR AREA. LASHLEY
Special weather statement, Apr 21, 9:04 PM EST, 2 hours 2 minutes before
INZ043>045-051>053-060-061-067-068-220330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 903 PM EST SUN APR 21 1996 ...STRONG THUNDERSTORM APPROACHING SULLIVAN COUNTY AND NORTHWEST KNOX COUNTY... AT 859 PM EST NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A STRONG THUNDERSTORM IN EAST CENTRAL ILLINOIS...MOVING TOWARD SULLIVAN COUNTY AND NORTHWEST KNOX COUNTY. THIS THUNDERSTORM WAS MOVING NORTHEAST AT 35 MPH. THE LEADING EDGE OF THIS STORM WILL MOVE INTO THESE COUNTIES BY 910 PM EST. THIS THUNDERSTORM MAY PRODUCE STRONG WINDS OF 30 TO 40 MPH...SMALL HAIL AND HEAVY RAIN. BE PREPARED TO MOVE INDOORS IF THIS STORM APPROACHES YOUR AREA. LASHLEY
Special weather statement, Apr 21, 9:34 PM EST, 1 hour 32 minutes before
INZ051>053-060-061-220330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 934 PM EST SUN APR 21 1996 ...STRONG THUNDERSTORMS WERE SOUTH OF TERRE HAUTE... THE STORMS WERE 25 MILES SOUTHWEST OF TERRE HAUTE AND JUST NORTH AND NORTHEAST OF SULLIVAN. THEY WERE MOVING NORTHEAST TOWARD TERRE HAUTE...SALINE CITY AND CLAY CITY. THE STORMS SHOULD BE MOVING INTO THOSE COMMUNITIES TOWARD 1000 PM. THESE STORMS WILL HAVE DANGEROUS LIGHTvNING AND HEAVY RAINFALL. HAIL AND STRONG WINDS ARE ALSO POSSIBLE. DS
Special weather statement, Apr 21, 10:03 PM EST, 1 hour 3 minutes before
INZ043>045-051>053-220330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1003 PM EST SUN APR 21 1996 ...STRONG THUNDERSTORMS WERE AROUND TERRE HAUTE... AT 955 PM...THE STORMS WERE JUST NORTHWEST OF TERRE HAUTE...AND AROUND SALINE CITY AND CENTER POINT. THEY WERE MOVING NORTHEAST AND SHOULD BE NEAR ROCKVILLE...GREENCASTLE AND CLOVERDALE TOWARD 1030 PM. THESE STORMS WILL HAVE DANGEROUS LIGHTNING AND BRIEF HEAVY RAINFALL. SMALL HAIL IS LIKELY AND STRONG WINDS ARE POSSIBLE. DS
Special weather statement, Apr 21, 10:29 PM EST, 37 minutes before
INZ029-030-035>040-043>048-051>056-220435- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1028 PM EST SUN APR 21 1996 ...STRONG THUNDERSTORMS APPROACHING SOUTHERN HENDRICKS COUNTY AND SOUTHERN MONTGOMERY COUNTY... AT 1025 PM EST NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED A STRONG THUNDERSTORM IN SOUTHEAST PUTNAM COUNTY...ABOUT 5 MILES NORTHEAST OF CLOVERDALE...OR 35 MILES SOUTHWEST OF INDIANAPOLIS. THIS THUNDERSTORM WAS MOVING NORTHEAST AT 40 MPH AND WILL ENTER SOUTHWEST HENDRICKS COUNTY BY 1035 PM EST. ANOTHER STRONG THUNDERSTORM WAS ABOUT 5 MILES SOUTHWEST OF ROCKVILLE ...OR 19 MILES NORTH OF TERRE HAUTE. THIS STORM WAS MOVING NORTHEAST AT 40 MPH AND WILL MOVE INTO SOUTHWEST MONTGOMERY COUNTY BY 1040 PM EST AND INTO CRAWFORDSVILLE BY 1050 PM EST. THESE THUNDERSTORMS MAY PRODUCE STRONG WINDS OF 30 TO 40 MPH...PEA TO DIME SIZE HAIL AND HEAVY RAIN. BE PREPARED TO MOVE INDOORS IF THESE STORMS APPROACH YOURr AREA. LASHLEY
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 21, 11:40 PM EST | Severe Thunderstorm Warning | IND | Howard | 35 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1996Every severe thunderstorm warning in 1996
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.