Alert archive / Kentucky / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 127, NWS Louisville, KY

July 25, 2001Adair County, Kentucky

NWS Louisville, KY issued this severe thunderstorm warning at Jul 25, 2001, 6:18 PM CDT for Adair County, Kentucky. It was in force for 27 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
Jul 25, 2001, 6:18 PM CDT (23:18 UTC)
Expired
Jul 25, 2001, 6:45 PM CDT
In force
27 min
Issued by
NWS Louisville, KY
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Adair County, KY

The radar

The Louisville radar (KLVX), 113 km from the middle of the area, began a volume at 23:20 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, 11.3 hours before the alert went out and 289 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.

Skew-T log-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2001-07-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1282 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2001-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1282 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1006 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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.

NWS Louisville, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 25, 2:00 PM CDT, 4 hours 18 minutes earlier.

Area forecast discussion, Jul 25, 2:00 PM CDT, 4 hours 18 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOUISVILLE KY
300 PM EDT WED JUL 25 2001

SCATTERED THUNDERSTORMS HAVE DEVELOPED IN THE UNSTABLE AIRMASS
ACROSS THE COUNTY FORECAST AREA THIS AFTERNOON.

MODELS ARE CONSISTENT ON BRINGING A COOL FRONT TO THE OHIO RIVER BY
12Z THURSDAY MORNING. AT THE SAME TIME A WEAK S/W WILL MOVE ACROSS
THE LOWER OHIO VALLEY. SHOWERS AND THUNDERSTORMS WILL BECOME
WIDESPREAD ACROSS THE NORTHERN CFA OVERNIGHT AND GRADUALLY SPREAD
SOUTH DURING THE DAY THURSDAY. SOME LOCATIONS, ESPECIALLY ACROSS
SOUTHERN INDIANA AND NORTHERN KENTUCKY, MAY RECEIVE LOCALLY HEAVY
RAINFALL AND WE WILL WORD FORECAST ACCORDINGLY. THE FRONT WILL DROP
TO TENNESSEE THURSDAY NIGHT AND BECOME STATIONARY. ON FRIDAY WE WILL
GO WITH A DRY FORECAST OVER THE NORTH BUT WILL HOLD ONTO LOW POPS
OVER THE SOUTH WITH THE FRONT IN THE VICINITY.

THE FRONT WILL BEGIN TO WORK NORTH ON SATURDAY AND THE HIGH HUMIDITY
WILL RETURN ALONG WITH SCATTERED THUNDERSTORMS.

.SDF...NONE
JA

The office that day

Everything else NWS Louisville, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 25, 6:00 PM CDTFlash Flood WarningLMKHarrison90 min

Nearby

Severe Thunderstorm Warnings in Kentucky, 2001Every severe thunderstorm warning in 2001

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.