Alert archive / Indiana / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 21, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Feb 27, 1999, 4:52 PM EST for Dubois County, Orange County, Indiana. It was in force for 33 min. 3 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
- Feb 27, 1999, 4:52 PM EST (21:52 UTC)
- Expired
- Feb 27, 1999, 5:25 PM EST
- In force
- 33 min
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
Counties Dubois County, IN, Orange County, IN
The radar
The Louisville radar (KLVX), 84 km from the middle of the area, began a volume at 21:52 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 |
|---|---|---|---|
| Feb 27, 5:10 PM EST | Hail 0.75 | French Lick, IN | Dime size hail fell in French Lick |
| Feb 27, 5:15 PM EST | Hail 1 | Dubois, IN | Quarter size hail fell in northeast part of county |
| Feb 27, 5:20 PM EST | Hail 1 | Paoli, IN | One inch hail fell in Paoli |
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 12:00Z, 9.9 hours before the alert went out and 250 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
- 107 J/kg
- Mixed-layer CIN
- -160 J/kg
- Mixed-layer LCL
- 635 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 275 m²/s²
- 0-3 km storm-relative helicity
- 325 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
999 WUUS1 KSDF 272153 RRA SVRSDF INC037-117-272225- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LOUISVILLE KY 452 PM EST SAT FEB 27 1999 THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN DUBOIS COUNTY IN SOUTH CENTRAL INDIANA ORANGE COUNTY IN SOUTH CENTRAL INDIANA * UNTIL 525 PM EST * AT 450 PM EST...AREA LAW ENFORCEMENT INDICATED A SEVERE THUNDERSTORM NEAR JASPER...OR 40 MILES NORTHWEST OF LOUISVILLE... MOVING NORTHEAST AT 40 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... ELLSWORTH IMMEDIATELY FRENCH LICK BY 515 PM EST PAOLI BY 520 PM EST THIS STORM PRODUCED QUARTER SIZE HAIL AS IT PASSED THROUGH JASPER. GO INSIDE A STURDY BUILDING AND STAY AWAY FROM WINDOWS CS/RNK &
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, Feb 27, 4:30 PM EST, 22 minutes before
KYZ023>043-045>049-053>057-061>067-070>078-081-082-INZ076-079-083- 084-089>092-281200- CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE LOUISVILLE KY 430 PM EST SAT FEB 27 1999 THE STORM PREDICTION CENTER HAS INDICATED THAT A SLIGHT RISK OF SEVERE THUNDERSTORMS EXISTS ACROSS CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA THIS EVENING AND OVERNIGHT. SEVERE THUNDERSTORMS DEVELOPED THIS AFTERNOON ACROSS SOUTHERN MISSOURI...ILLINOIS AND SOUTHWARD INTO ARKANSAS. THESE THUNDERSTORMS WERE ALONG AND AHEAD OF A COLD FRONT THAT WILL REACH CENTRAL KENTUCKY AND SOUTH CENTRAL INDIANA OVERNIGHT. HOWEVER...THE FURTHER EAST THE STORMS TRAVEL THE MORE STABLE AIRMASS THEY WILL ENCOUNTER. ALTHOUGH PRESENT INDICATIONS ARE THAT THE STORMS WILL WEAKEN DURING THE EVENING HOURS...SEVERE THUNDERSTORMS REMAIN POSSIBLE. THE MAIN THREAT FROM THESE STORMS IS LARGE HAIL AND DAMAGING WINDS. HEAVY RAIN AND DANGEROUS LIGHTNING ALSO CAN BE EXPECTED. THIS IS A PRELIMINARY OUTLOOK. STAY TUNED TO NOAA WEATHER RADIO FROM THE NATIONAL WEATHER SERVICE OR THE MEDIA FOR THE LATEST INFORMATION ON THIS WEATHER SITUATION. SKYWARN SPOTTER ACTIVATION MAY BE REQUESTED LATER TONIGHT. RNK
Special weather statement, Feb 27, 4:30 PM EST, 22 minutes before
KYZ023>043-045>049-053>057-061>067-070>078-081-082-INZ076-079-083- 084-089>092-281200- CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA SEVERE WEATHER OUTLOOK NATIONAL WEATHER SERVICE LOUISVILLE KY 430 PM EST SAT FEB 27 1999 THE STORM PREDICTION CENTER HAS INDICATED THAT A SLIGHT RISK OF SEVERE THUNDERSTORMS EXISTS ACROSS CENTRAL KENTUCKY AND SOUTH-CENTRAL INDIANA THIS EVENING AND OVERNIGHT. SEVERE THUNDERSTORMS DEVELOPED THIS AFTERNOON ACROSS SOUTHERN MISSOURI...ILLINOIS AND SOUTHWARD INTO ARKANSAS. THESE THUNDERSTORMS WERE ALONG AND AHEAD OF A COLD FRONT THAT WILL REACH CENTRAL KENTUCKY AND SOUTH CENTRAL INDIANA OVERNIGHT. HOWEVER...THE FURTHER EAST THE STORMS TRAVEL THE MORE STABLE AIRMASS THEY WILL ENCOUNTER. ALTHOUGH PRESENT INDICATIONS ARE THAT THE STORMS WILL WEAKEN DURING THE EVENING HOURS...SEVERE THUNDERSTORMS REMAIN POSSIBLE. THE MAIN THREAT FROM THESE STORMS IS LARGE HAIL AND DAMAGING WINDS. HEAVY RAIN AND DANGEROUS LIGHTNING ALSO CAN BE EXPECTED. THIS IS A PRELIMINARY OUTLOOK. STAY TUNED TO NOAA WEATHER RADIO FROM THE NATIONAL WEATHER SERVICE OR THE MEDIA FOR THE LATEST INFORMATION ON THIS WEATHER SITUATION. SKYWARN SPOTTER ACTIVATION MAY BE REQUESTED LATER TONIGHT. RNK
The office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 27, 5:22 PM EST | Severe Thunderstorm Warning | LMK | Orange, Washington | 28 min |
| Feb 27, 5:47 PM EST | Severe Thunderstorm Warning | LMK | Orange | 33 min |
| Feb 27, 6:10 PM EST | Severe Thunderstorm Warning | LMK | Crawford, Harrison, Washington | 35 min |
| Feb 27, 6:21 PM EST | Tornado Warning | LMK | Harrison, Washington | 24 min |
| Feb 27, 6:44 PM EST | Severe Thunderstorm Warning | LMK | Harrison | 31 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1999Every severe thunderstorm warning in 1999
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; radar from the NEXRAD Level II archive.