Alert archive / Indiana / Severe Thunderstorm Warnings in 1993
Severe Thunderstorm Warning 239, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 16, 1993, 9:08 PM EST for Morgan County, Indiana. It was in force for 52 min.
The area
The counties it named.
The facts
- Issued
- Aug 16, 1993, 9:08 PM EST (02:08 UTC)
- Expired
- Aug 16, 1993, 10:00 PM EST
- In force
- 52 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Morgan County, IN
The nearest sounding before it
Dayton/James M C, OH (KDAY), launched 00:00Z, 2.1 hours before the alert went out and 198 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
- 2651 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 768 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 9.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KIND 170209 RRA SVRIND INC109-170300- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 908 PM EST MON AUG 16 1993 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 1000 PM EST FOR PEOPLE IN THE FOLLOWING LOCATION...... IN CENTRAL INDIANA ...MORGAN COUNTY AT 905 PM EST WEATHER SERVICE RADAR SHOWED A SEVERE THUNDERSTORM NEAR THE TOWN LITTLE POINT...30 MILES SOUTHWEST OF INDIANAPOLIS IN NORTHWEST MORGAN COUNTY. THIS STORM WAS MOVING TO THE SOUTHEAST AT 15 MILES AN HOUR TOWARD THE TOWN OF MARTINSVILLE...20 MILES NORTH OF BLOOMINGTON. SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE WATER COVERS THE RBOAD.
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, Aug 16, 5:08 PM EST, 4 hours before
INZ004-005-007-008-009-011-012-162310- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 508 PM EST MON AUG 16 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A PORTION OF WEST CENTRAL INDIANA UNTIL 10 PM EST. AT 500 PM EST WEATHER SERVICE RADAR SHOWED VERY STRONG THUNDERSTORMS ACROSS FAR SOUTHEAST INDIANA EXTENDING FROM CINCINNATI OHIO TO 30 MILES NORTHEAST OF LOUISVILLE KENTUCKY. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 20 TO 25 MILES AN HOUR. AT 505 PM EST NO THUNDERSTORM ACTIVITY HAD YET BEEN INDICATED ACROSS WEST CENTRAL INDIANA. HOWEVER...SCATTERED THUNDERSTORMS WERE BEGINNING TO DEVELOP ACROSS PORTIONS OF CENTRAL ILLINOIS. THE ATMOSPHERE OVER CENTRAL INDIANA REMAINS FAVORABLE FOR RAPID THUNDERSTORM DEVELOP. PEOPLE IN CENTRAL INDIANA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED. TMA
Special weather statement, Aug 16, 5:10 PM EST, 3 hours 58 minutes before
INZ004-005-007-008-009-011-012-162310- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 508 PM EST MON AUG 16 1993 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR A PORTION OF WEST CENTRAL INDIANA UNTIL 10 PM EST. AT 500 PM EST WEATHER SERVICE RADAR SHOWED VERY STRONG THUNDERSTORMS ACROSS FAR SOUTHEAST INDIANA EXTENDING FROM CINCINNATI OHIO TO 30 MILES NORTHEAST OF LOUISVILLE KENTUCKY. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 20 TO 25 MILES AN HOUR. AT 505 PM EST NO THUNDERSTORM ACTIVITY HAD YET BEEN INDICATED ACROSS WEST CENTRAL INDIANA. HOWEVER...SCATTERED THUNDERSTORMS WERE BEGINNING TO DEVELOP ACROSS PORTIONS OF CENTRAL ILLINOIS. THE ATMOSPHERE OVER CENTRAL INDIANA REMAINS FAVORABLE FOR RAPID THUNDERSTORM DEVELOP. PEOPLE IN CENTRAL INDIANA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED. TMA
Special weather statement, Aug 16, 6:29 PM EST, 2 hours 39 minutes before
INZ004-005-007-008-009-011-012-170030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 629 PM EST MON AUG 16 1993 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A PORTION OF WEST CENTRAL INDIANA UNTIL 10 PM EST. AT 626 PM EST WEATHER SERVICE RADAR SHOWED AN AREA OF STRONG THUNDER- STORMS ACROSS SOUTHEAST INDIANA FROM 20 MILES SOUTH OF COLUMBUS TO CINCINNATI OHIO. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 20 TO 25 MILES AN HOUR. AT 628 PM EST SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WERE ACROSS PORTIONS OF WEST CENTRAL INDIANA FROM 10 MILES SOUTHWEST OF LAFAYETTE TO CRAWFORDSVILLE. THE ATMOSPHERE OVER WEST CENTRAL INDIANA REMAINS FAVORABLE FOR RAPID THUNDERSTORM DEVELOP. PEOPLE IN CENTRAL INDIANA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED. TMA
Special weather statement, Aug 16, 6:31 PM EST, 2 hours 37 minutes before
INZ004-005-007-008-009-011-012-170030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 629 PM EST MON AUG 16 1993 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A PORTION OF WEST CENTRAL INDIANA UNTIL 10 PM EST. AT 626 PM EST WEATHER SERVICE RADAR SHOWED AN AREA OF STRONG THUNDER- STORMS ACROSS SOUTHEAST INDIANA FROM 20 MILES SOUTH OF COLUMBUS TO CINCINNATI OHIO. THESE STORMS WERE MOVING TO THE SOUTHEAST AT 20 TO 25 MILES AN HOUR. AT 628 PM EST SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WERE ACROSS PORTIONS OF WEST CENTRAL INDIANA FROM 10 MILES SOUTHWEST OF LAFAYETTE TO CRAWFORDSVILLE. THE ATMOSPHERE OVER WEST CENTRAL INDIANA REMAINS FAVORABLE FOR RAPID THUNDERSTORM DEVELOP. PEOPLE IN CENTRAL INDIANA SHOULD REMAIN ALERT TO CHANGING WEATHER CONDITIONS AND BE PREPARED TO SEEK SAFE SHELTER IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED. TMA
Special weather statement, Aug 16, 8:20 PM EST, 48 minutes before
INZ004-005-007-008-009-011-012-170230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 820 PM EST MON AUG 16 1993 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A PORTION OF WEST CENTRAL INDIANA UNTIL 10 PM EST. AT 819 PM EST WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS MOVING THROUGH THE INDIANAPOLIS METROPOLITIAN AREA. THESE STORMS WERE MOVING SLOWLY TO THE EAST SOUTHEAST AND WERE PRODUCING VERY HEAVY RAINFALL... GUSTY WINDS...FREQUENT LIGHTNING AND POSSIBLY SMALL HAIL. PEOPLE IN CENTRAL INDIANA...ESPECIALLY THE INDIANAPOLIS METRO AREA SHOULD REMAIN ALERT TO THREATENING WEATHER CONDITIONS AND BE PREPARED TO SEEK SAFE SHELTER IF STORMS APPROACH YOUR AREA OR A WARNING IS ISSUED. TMA
Special weather statement, Aug 16, 8:21 PM EST, 47 minutes before
INZ004-005-007-008-009-011-012-170230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 820 PM EST MON AUG 16 1993 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR A PORTION OF WEST CENTRAL INDIANA UNTIL 10 PM EST. AT 819 PM EST WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS MOVING THROUGH THE INDIANAPOLIS METROPOLITIAN AREA. THESE STORMS WERE MOVING SLOWLY TO THE EAST SOUTHEAST AND WERE PRODUCING VERY HEAVY RAINFALL... GUSTY WINDS...FREQUENT LIGHTNING AND POSSIBLY SMALL HAIL. PEOPLE IN CENTRAL INDIANA...ESPECIALLY THE INDIANAPOLIS METRO AREA SHOULD REMAIN ALERT TO THREATENING WEATHER CONDITIONS AND BE PREPARED TO SEEK SAFE SHELTER IF STORMS APPROACH YOUR AREA OR A WARNING IS ISSUED. TMA
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 16, 7:18 PM EST | Severe Thunderstorm Warning | IND | Hendricks | 42 min |
| Aug 16, 9:01 PM EST | Severe Thunderstorm Warning | IND | Johnson | 44 min |
| Aug 16, 9:28 PM EST | Flash Flood Warning | IND | Decatur | 3 hr |
| Aug 16, 9:56 PM EST | Flash Flood Warning | IND | Morgan | 3 hr |
| Aug 16, 10:17 PM EST | Severe Thunderstorm Warning | IND | Brown, Morgan | 43 min |
| Aug 16, 10:24 PM EST | Severe Thunderstorm Warning | IND | Jennings | 51 min |
| Aug 16, 11:02 PM EST | Flash Flood Warning | IND | Bartholomew, Brown | 3 hr |
| Aug 16, 11:02 PM EST | Flash Flood Warning | IND | Jennings | 3 hr |
| Aug 16, 11:52 PM EST | Flash Flood Warning | IND | Monroe | 3 hr |
| Aug 17, 12:21 AM EST | Flash Flood Warning | IND | Jackson | 3 hr |
| Aug 17, 12:52 AM EST | Flash Flood Warning | IND | Hendricks, Putnam | 3 hr |
| Aug 17, 1:06 AM EST | Flash Flood Warning | IND | Morgan | 3 hr |
| Aug 17, 1:55 AM EST | Flash Flood Warning | IND | Brown | 2 hr |
| Aug 17, 2:46 AM EST | Flash Flood Warning | IND | Parke | 3 hr |
| Aug 17, 3:06 AM EST | Flash Flood Warning | IND | Monroe | 3 hr |
| Aug 17, 3:43 AM EST | Flash Flood Warning | IND | Brown, Jackson, Monroe | 3 hr |
| Aug 17, 3:43 AM EST | Flash Flood Warning | IND | Morgan, Parke, Putnam | 3 hr |
| Aug 17, 3:43 AM EST | Flash Flood Warning | IND | Hendricks | 3 hr |
| Aug 17, 4:32 AM EST | Flash Flood Warning | IND | Clay, Owen | 2 hr |
| Aug 17, 5:51 AM EST | Flash Flood Warning | IND | Vermillion, Vigo | 3 hr |
| Aug 17, 7:08 AM EST | Flash Flood Warning | IND | Brown, Jackson, Monroe | 3 hr |
| Aug 17, 7:08 AM EST | Flash Flood Warning | IND | Clay, Parke, Putnam, Vermillion, Vigo | 3 hr |
| Aug 17, 7:08 AM EST | Flash Flood Warning | IND | Morgan, Owen | 3 hr |
Nearby
Severe Thunderstorm Warnings in Indiana, 1993Every severe thunderstorm warning in 1993
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.