Alert archive / Indiana / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 32, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at May 20, 1998, 1:56 PM EST for Daviess County, Indiana. It was in force for 49 min. 1 report 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
- May 20, 1998, 1:56 PM EST (18:56 UTC)
- Expired
- May 20, 1998, 2:45 PM EST
- In force
- 49 min
- Issued by
- NWS Indianapolis, IN
- Area
- Whole counties
County Daviess County, IN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 20, 2:10 PM EST | Thunderstorm Wind | Washington, IN | A few trees and numerous limbs were blown down. |
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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 20, 1:15 PM EST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 6.9 hours before the alert went out and 208 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
- 618 J/kg
- Mixed-layer CIN
- -260 J/kg
- Mixed-layer LCL
- 1294 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 142 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
386 WUUS1 KIND 201857 RRA SVRIND INC027-201945- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE INDIANAPOLIS IN 156 PM EST WED MAY 20 1998 THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN DAVIESS COUNTY IN SOUTHWESTERN INDIANA * UNTIL 245 PM EST * AT 150 PM...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES SOUTHWEST OF WASHINGTON... MOVING EAST AT 25 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... SANDY HOOK GLENDALE ALFORDSVILLE THIS STORM HAS A HISTORY OF DAMAGING WIND. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS 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, May 20, 11:54 AM EST, 2 hours 2 minutes before
INZ021-028>031-035>049-051>057-060>065-067>072-202100- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1154 AM EST WED MAY 20 1998 ...SEVERE STORMS POSSIBLE THIS AFTERNOON AND EVENING OVER CENTRAL AND SOUTHERN INDIANA... THE THREAT EXISTS FOR SEVERE THUNDERSTORMS ACROSS CENTRAL AND SOUTHERN INDIANA THIS AFTERNOON AND EVENING. THE THREAT IS PRIMARILY NEAR AND SOUTH OF A LAFAYETTE TO RICHMOND LINE. WESTERN INDIANAS THREAT PERIOD WILL BEGIN BY MID AFTERNOON WHILE EASTERN INDIANA WILL NOT LIKELY SEE ANY STORMS BEFORE EARLY EVENING. THE GREATEST LIKELHOOD FOR SEVERE WEATHER IS ACROSS SOUTHWEST INDIANA. THE MAIN THREATS WILL BE DAMAGING WINDS AND POTENTIAL FLOODING FROM HEAVY RAINFALL. LARGE HAIL WILL ALSO BE POSSIBLE. A FRONTAL BOUNDARY ACROSS CENTRAL PORTIONS OF ILLINOIS...INDIANA AND OHIO WILL SERVE AS THE FOCUS FOR STORM DEVELOPMENT ONCE AN UPPER AIR DISTURBANCE OVER IOWA THIS MORNING MOVES OVER SOUTHERN INDIANA BY THIS EVENING. SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING. TUCEK
Special weather statement, May 20, 11:54 AM EST, 2 hours 2 minutes before
INZ021-028>031-035>049-051>057-060>065-067>072-202100- SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1154 AM EST WED MAY 20 1998 ...SEVERE STORMS POSSIBLE THIS AFTERNOON AND EVENING OVER CENTRAL AND SOUTHERN INDIANA... THE THREAT EXISTS FOR SEVERE THUNDERSTORMS ACROSS CENTRAL AND SOUTHERN INDIANA THIS AFTERNOON AND EVENING. THE THREAT IS PRIMARILY NEAR AND SOUTH OF A LAFAYETTE TO RICHMOND LINE. WESTERN INDIANAS THREAT PERIOD WILL BEGIN BY MID AFTERNOON WHILE EASTERN INDIANA WILL NOT LIKELY SEE ANY STORMS BEFORE EARLY EVENING. THE GREATEST LIKELHOOD FOR SEVERE WEATHER IS ACROSS SOUTHWEST INDIANA. THE MAIN THREATS WILL BE DAMAGING WINDS AND POTENTIAL FLOODING FROM HEAVY RAINFALL. LARGE HAIL WILL ALSO BE POSSIBLE. A FRONTAL BOUNDARY ACROSS CENTRAL PORTIONS OF ILLINOIS...INDIANA AND OHIO WILL SERVE AS THE FOCUS FOR STORM DEVELOPMENT ONCE AN UPPER AIR DISTURBANCE OVER IOWA THIS MORNING MOVES OVER SOUTHERN INDIANA BY THIS EVENING. SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING. TUCEK
Special weather statement, May 20, 1:48 PM EST, 8 minutes before
INZ043>049-051>057-060>065-067>072-210000- SPECIAL WEATHER STATEMENT FOR SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE INDIANAPOLIS IN 148 PM EST WED MAY 20 1998 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 700 PM EST FOR THE SOUTHERN HALF OF INDIANA... A LINE OF THUNDERSTORMS WAS DEVELOPING OVER SOUTHEAST AND EAST CENTRAL ILLINOIS AND WEST CENTRAL AND SOUTHWEST INDIANA. THIS LINE OF STORMS WILL MOVE EAST INTO THE REST OF CENTRAL AND SOUTHERN INDIANA THROUGH THE REST OF THIS AFTERNOON AND EARLY THIS EVENING. SOME OF THESE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. HEAVY RAINFALL MAY CAUSE LOCALIZED FLOODING. AT 145 PM EST...THE LEADING EDGE OF A LINE OF SEVERE THUNDERSTORMS EXTENDED JUST EAST OF THE WABASH RIVER ACROSS SOUTHWEST INDIANA BETWEEN TERRE HAUTE AND EVANSVILLE. THIS LINE OF STORMS WAS MOVING TO THE EAST AT 25 MPH. CONTINUE TO LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS THROUGH THE REST OF THE AFTERNOON AND EVENING. IF THREATENING WEATHER APPROACHES YOUR AREA SEEK SHELTER IMMEDIATELY. TMA
Special weather statement, May 20, 1:48 PM EST, 8 minutes before
INZ043>049-051>057-060>065-067>072-210000- SPECIAL WEATHER STATEMENT FOR SEVERE THUNDERSTORM WATCH NATIONAL WEATHER SERVICE INDIANAPOLIS IN 148 PM EST WED MAY 20 1998 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 700 PM EST FOR THE SOUTHERN HALF OF INDIANA... A LINE OF THUNDERSTORMS WAS DEVELOPING OVER SOUTHEAST AND EAST CENTRAL ILLINOIS AND WEST CENTRAL AND SOUTHWEST INDIANA. THIS LINE OF STORMS WILL MOVE EAST INTO THE REST OF CENTRAL AND SOUTHERN INDIANA THROUGH THE REST OF THIS AFTERNOON AND EARLY THIS EVENING. SOME OF THESE THUNDERSTORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. HEAVY RAINFALL MAY CAUSE LOCALIZED FLOODING. AT 145 PM EST...THE LEADING EDGE OF A LINE OF SEVERE THUNDERSTORMS EXTENDED JUST EAST OF THE WABASH RIVER ACROSS SOUTHWEST INDIANA BETWEEN TERRE HAUTE AND EVANSVILLE. THIS LINE OF STORMS WAS MOVING TO THE EAST AT 25 MPH. CONTINUE TO LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS THROUGH THE REST OF THE AFTERNOON AND EVENING. IF THREATENING WEATHER APPROACHES YOUR AREA SEEK SHELTER IMMEDIATELY. TMA
The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:12 PM EST | Flash Flood Warning | IND | Fountain, Vermillion, Warren | 3 hr |
| May 19, 7:12 PM EST | Flash Flood Warning | IND | Parke | 3 hr |
| May 19, 7:45 PM EST | Severe Thunderstorm Warning | IND | Clay | 45 min |
| May 19, 9:31 PM EST | Severe Thunderstorm Warning | IND | Sullivan, Vigo | 34 min |
| May 19, 10:27 PM EST | Severe Thunderstorm Warning | IND | Knox | 33 min |
| May 20, 1:04 PM EST | Severe Thunderstorm Warning | IND | Knox | 46 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1998Every severe thunderstorm warning in 1998
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.