Alert archive / Indiana / Special Weather Statements in 2021
Special Weather Statement, NWS Louisville, KY
NWS Louisville, KY issued this special weather statement at May 9, 2021, 9:21 AM EDT for 4 counties in Kentucky; 6 counties in Indiana. It was in force for 54 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 9, 2021, 9:21 AM EDT (13:21 UTC)
- Expired
- May 9, 2021, 10:15 AM EDT
- In force
- 54 min
- Issued by
- NWS Louisville, KY
Counties Clark County, IN, Floyd County, IN, Harrison County, IN, Jefferson County, IN, Scott County, IN, Washington County, IN, Henry County, KY, Jefferson County, KY, Oldham County, KY, Trimble County, KY
The radar
The Louisville radar (KLVX), 76 km from the middle of the area, began a volume at 13:23 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, 1.4 hours before the alert went out and 174 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
- 1072 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 896 m²/s²
- 0-3 km storm-relative helicity
- 1335 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
355
WWUS83 KLMK 091321
SPSLMK
Special Weather Statement
National Weather Service Louisville KY
921 AM EDT Sun May 9 2021
INZ077>079-090>092-KYZ030>034-091415-
Washington-Jefferson-Floyd-Clark-Scott-Harrison-Jefferson-Oldham-
Shelby-Henry-Trimble-
921 AM EDT Sun May 9 2021
...GUSTY WINDS AND HAIL WILL AFFECT HARRISON...JEFFERSON...
CLARK...FLOYD...SCOTT...WASHINGTON...OLDHAM...NORTHWESTERN SHELBY...
TRIMBLE...HENRY AND JEFFERSON COUNTIES...
At 920 AM EDT, radar indicated a line of strong thunderstorms
extending from near Brownstown to near Corydon. Movement was east-
northeast at 60 mph.
Winds in excess of 40 mph and pea size hail are possible with these
storms.
Locations impacted include...
Louisville, Jeffersonville, New Albany, Jeffersontown, St. Matthews,
Shively, Madison, Lyndon, La Grange and Middletown.
If outdoors, consider seeking shelter inside a building.
LAT...LON 3869 8520 3874 8533 3858 8521 3860 8508
3856 8501 3851 8503 3851 8498 3838 8490
3836 8528 3826 8541 3812 8543 3805 8626
3843 8623 3843 8631 3876 8628 3873 8587
3882 8561 3891 8553 3892 8520
TIME...MOT...LOC 1320Z 240DEG 51KT 3889 8613 3815 8616
$$
RASThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 3:04 AM EDT | Wind Advisory | LMK | Adair, Allen, Anderson, Barren, Bourbon, Boyle and 43 more | 17 hr |
Nearby
Special Weather Statements in Indiana, 2021Special Weather Statements in Kentucky, 2021Every special weather statement in 2021
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.