Alert archive / Indiana / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 22, NWS Louisville, KY
NWS Louisville, KY issued this severe thunderstorm warning at Feb 27, 1999, 5:22 PM EST for Orange County, Washington County, Indiana. It was in force for 28 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 27, 1999, 5:22 PM EST (22:22 UTC)
- Expired
- Feb 27, 1999, 5:50 PM EST
- In force
- 28 min
- Issued by
- NWS Louisville, KY
- Area
- Whole counties
Counties Orange County, IN, Washington County, IN
The radar
The Louisville radar (KLVX), 73 km from the middle of the area, began a volume at 22:22 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.
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 12:00Z, 10.4 hours before the alert went out and 236 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
- 645 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 318 m²/s²
- 0-3 km storm-relative helicity
- 351 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 52 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, 52 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, 6:32 PM EST | Severe Thunderstorm Warning | LMK | Breckinridge, Meade | 33 min |
| Feb 27, 6:58 PM EST | Severe Thunderstorm Warning | LMK | Bullitt, Jefferson | 32 min |
| Feb 27, 4:52 PM EST | Severe Thunderstorm Warning | LMK | Dubois, Orange | 33 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.