Alert archive / Indiana / Flash Flood Warnings in 1993
Flash Flood Warning 23, NWS Indianapolis, IN
NWS Indianapolis, IN issued this flash flood warning at Aug 16, 1993, 9:56 PM EST for Morgan County, Indiana. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 16, 1993, 9:56 PM EST (02:56 UTC)
- Expired
- Aug 17, 1993, 1:00 AM EST
- In force
- 3 hr
- 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, 2.9 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 170257 FFWIND INC109-170600- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 956 PM EST MON AUG 16 1993 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 100 AM EST FOR PEOPLE IN THE FOLLOWING LOCATION...... IN CENTRAL INDIANA ...MORGAN COUNTY AT 954 PM EST AMATEUR RADIO OPERATERS REPORTED 6 TO 8 INCHES OF WATER ON STATE ROAD 42 BETWEEN CROWN CENTER AND MONROVIA IN NORTHERN MORGAN COUNTY. AT 955 PM EST WEATHER RADAR SHOWED STRONG THUNDERSTORMS CONTINUING TO MOVE SLOWLY SOUTHEAST ACROSS MORGAN COUNTY. RAINFALL AMOUNTS OF 1 TO 2 INCHES PER HOUR HAVE BEEN REPORTED WITH THESE THUNDERSTORMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. &
What forecasters said that day
The local office's own words before this flash flood 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, 6:29 PM EST, 3 hours 27 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, 3 hours 25 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, 1 hour 36 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, 1 hour 35 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, 9:15 PM EST, 41 minutes before
INZALL-170700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 915 PM EST MON AUG 16 1993 IN INDIANA A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 200 AM EST AND INCLUDES THAT PART OF INDIANA... NORTH OF A LINE FROM 30 MILES NORTHEAST OF LOUISVILLE KENTUCKY TO SULLIVAN...AND SOUTH OF A LINE FROM 10 MILES SOUTH OF MUNCIE TO 15 MILES NORTH OF DANVILLE ILLINOIS. SOME CITIES IN THE WATCH ARE... BEDFORD...BLOOMINGTON...GREENCASTLE... INDIANAPOLIS...TERRE HAUTE...MADISON...SEYMOUR...AND VERNON. REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. . SBH
Special weather statement, Aug 16, 9:19 PM EST, 37 minutes before
INZALL-170700- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE INDIANAPOLIS IN 915 PM EST MON AUG 16 1993 IN INDIANA A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 200 AM EST AND INCLUDES THAT PART OF INDIANA... NORTH OF A LINE FROM 30 MILES NORTHEAST OF LOUISVILLE KENTUCKY TO SULLIVAN...AND SOUTH OF A LINE FROM 10 MILES SOUTH OF MUNCIE TO 15 MILES NORTH OF DANVILLE ILLINOIS. SOME CITIES IN THE WATCH ARE... BEDFORD...BLOOMINGTON...GREENCASTLE... INDIANAPOLIS...TERRE HAUTE...MADISON...SEYMOUR...AND VERNON. REMEMBER...A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER VCONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. . SBH
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, 9:08 PM EST | Severe Thunderstorm Warning | IND | Morgan | 52 min |
| Aug 16, 9:28 PM EST | Flash Flood Warning | IND | Decatur | 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
Flash Flood Warnings in Indiana, 1993Every flash flood 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.