Alert archive / Kentucky / Special Weather Statements in 2011
Special Weather Statement, NWS Louisville, KY
NWS Louisville, KY issued this special weather statement at Jun 20, 2011, 1:21 AM EDT for Casey County, Kentucky. It was in force for 24 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
- Jun 20, 2011, 1:21 AM EDT (05:21 UTC)
- Expired
- Jun 20, 2011, 1:45 AM EDT
- In force
- 24 min
- Issued by
- NWS Louisville, KY
County Casey County, KY
The radar
The Jackson,KY radar (KJKL), 121 km from the middle of the area, began a volume at 05:22 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
Nashville Metro, TN (KBNA), launched 00:00Z, 5.4 hours before the alert went out and 221 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
- 3898 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 955 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 3.2
- Supercell composite
- 14.9
The text
As transmitted, in the capitals the NWS used until 2016.
398
WWUS83 KLMK 200521
SPSLMK
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LOUISVILLE KY
121 AM EDT MON JUN 20 2011
KYZ066-067-200545-
CASEY-LINCOLN-
121 AM EDT MON JUN 20 2011
...THUNDERSTORM WITH DANGEROUS LIGHTNING...HEAVY RAIN...PENNY SIZE
HAIL...AND GUSTY WINDS...
AT 119 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 7 MILES EAST OF LIBERTY...AND MOVING SOUTHEAST AT
35 MPH.
FREQUENT CLOUD TO GROUND LIGHTNING...HEAVY RAIN WITH RAINFALL RATES
OF AROUND ONE INCH PER HOUR REDUCING VISIBILITIES TO LESS THAN ONE
MILE...PENNY SIZE HAIL...AND GUSTY WINDS OF AROUND 35 TO 40 MPH...ARE
EXPECTED WITH THIS STORM.
* THIS STORM WILL ALSO IMPACT...
LIBERTY...
WALLTOWN AND WAYNESBURG...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...SEEK SHELTER INDOORS AND STAY
AWAY FROM WINDOWS. STAY TUNED TO NOAA ALL HAZARDS RADIO...
WEATHER.GOV/LOUISVILLE ON THE INTERNET...OR LOCAL MEDIA FOR LATER
UPDATES AND POSSIBLE WARNINGS.
&&
LAT...LON 3734 8450 3734 8451 3734 8453 3736 8457
3719 8481 3732 8503 3751 8487 3741 8448
TIME...MOT...LOC 0521Z 295DEG 30KT 3735 8479
$$
DKThe office that day
Everything else NWS Louisville, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 1:32 AM EDT | Severe Thunderstorm Warning | LMK | Casey, Lincoln | 13 min |
| Jun 20, 1:35 AM EDT | Special Weather Statement | LMK | Bullitt | 25 min |
| Jun 20, 1:50 AM EDT | Severe Thunderstorm Warning | LMK | Bullitt, Nelson, Spencer | 25 min |
| Jun 20, 1:54 AM EDT | Severe Thunderstorm Warning | LMK | Jefferson | 36 min |
| Jun 20, 1:58 AM EDT | Special Weather Statement | LMK | Boyle, Lincoln | 32 min |
| Jun 20, 2:55 AM EDT | Special Weather Statement | LMK | Shelby, Spencer | 35 min |
| Jun 20, 2:59 AM EDT | Special Weather Statement | LMK | Casey | 31 min |
| Jun 20, 4:04 AM EDT | Special Weather Statement | LMK | Boyle, Garrard, Jessamine, Lincoln, Madison | 101 min |
| Jun 20, 7:14 AM EDT | Special Weather Statement | LMK | Madison | 31 min |
| Jun 20, 7:49 AM EDT | Areal Flood Advisory | LMK | Madison | 3 hr |
| Jun 20, 9:01 AM EDT | Special Weather Statement | LMK | Nicholas | 29 min |
| Jun 20, 1:26 AM EDT | Special Weather Statement | LMK | Floyd, Harrison | 34 min |
| Jun 20, 2:29 AM EDT | Special Weather Statement | LMK | Orange | 31 min |
Nearby
Special Weather Statements in Kentucky, 2011Every special weather statement in 2011
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.