Alert archive / Indiana / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 55, NWS Louisville, KY

June 12, 2001Jefferson County, Indiana

NWS Louisville, KY issued this severe thunderstorm warning at Jun 12, 2001, 10:48 PM EST for Jefferson County, Indiana. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Jun 12, 2001, 10:48 PM EST (03:48 UTC)
Expired: Jun 12, 2001, 11:30 PM EST
In force: 42 min
Issued by: NWS Louisville, KY
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Jefferson County, IN

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 3.8 hours before the alert went out and 140 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1855 J/kg
Mixed-layer CIN: -11 J/kg
Mixed-layer LCL: 1551 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 35 m²/s²
0-3 km storm-relative helicity: 42 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

213 
WUUS53 KLMK 130348
SVRSDF
INC077-130430-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LOUISVILLE KY
1048 PM EST TUE JUN 12 2001

THE NATIONAL WEATHER SERVICE IN LOUISVILLE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN JEFFERSON COUNTY IN SOUTH CENTRAL INDIANA

* UNTIL 1130 PM EST

* AT 1044 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 6 MILES NORTHEAST OF CANAAN...OR ABOUT 33 MILES
  SOUTHWEST OF HARRISON...MOVING SOUTH AT 15 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  BRYANTSBURG AROUND 1055 PM EST
  CANAAN...BELLEVIEW AROUND 1100 PM EST
  CHINA AROUND 1110 PM EST
  MANVILLE...MADISON...NORTH MADISON AROUND 1120 PM EST
  BROOKSBURG AROUND 1130 PM EST

THIS IS A DANGEROUS STORM...CAPABLE OF PRODUCING VERY DAMAGING WINDS.
IF YOU ARE IN THIS STORMS PATH...TAKE COVER IMMEDIATELY IN A STURDY
STRUCTURE UNTIL IT HAS PASSED. STAY AWAY FROM WINDOWS AND ANY DOWNED
POWER LINES.

REPORT SEVERE WEATHER TO YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN LOUISVILLE.

LAT...LON 3905 8519 3899 8544 3870 8542 3872 8515

COX

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 Jun 12, 1:57 PM EST, 8 hours 51 minutes earlier.

Area forecast discussion, Jun 12, 1:57 PM EST, 8 hours 51 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOUISVILLE KY
300 PM EDT TUE JUNE 12 2001

MAIN CONCERN WITH THIS FORECAST IS WITH PRECIPITATION CHANCES
THURSDAY AND THURSDAY NIGHT. FORECAST AREA LOCATED BETWEEN TWO MAIN
PRECIPITATION PRODUCING SYSTEMS...IMPULSES MOVING WEST TO EAST TO
THE NORTH AND REMNANTS OF ALLISON OVER THE SOUTHEAST. HAVE OPTED TO
MENTION SMALL CHANCE OF A THUNDERSTORM OVER BLUEGRASS AREA OF KY
VICINITY OF LEX...WITH VERY UNSTABLE AIR NEEDING ONLY TRIGGER TO GET
THINGS STARTED.

AS ALLISON DRIFTS SLOWLY N-NE EXPECT MOISTURE TO SLOWLY INCREASE
INTO EAST HALF OF STATE. SO HAVE MENTIONED 30% POPS THURSDAY EAST
HALF OF FA...WITH CHANCES ACROSS ALL OF FA THURSDAY NIGHT.

MOS CONTINUES TO BE TOO WARM DURING THE DAYS...SO WILL GO CATEGORY
UNDER. AT 3 PM TEMPS ACROSS FA IN MID TO UPPER 80S...SO 90S NOT
GOING TO HAPPEN MOST PLACES TODAY. READINGS WILL WARM A COUPLE
OF DEGREES WEDNESDAY...AS RIDGE BUILDS ACROSS EASTERN US AND TROUGH
DEEPENS OVER THE WEST.

.SDF...NONE.
REITMEYER

Nearby

Severe Thunderstorm Warnings in Indiana, 2001 Every 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.