Alert archive / Indiana / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 8, NWS Indianapolis, IN

February 27, 1999Madison County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Feb 27, 1999, 6:05 PM EST for Madison County, Indiana. It was in force for 35 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, 6:05 PM EST (23:05 UTC)
Expired: Feb 27, 1999, 6:40 PM EST
In force: 35 min
Issued by: NWS Indianapolis, IN
Area: Whole counties

County Madison County, IN

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 11.1 hours before the alert went out and 183 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: 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

Open this sounding in Storm Lab

The text

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

999 
WUUS1 KIND 272306 RRA
SVRIND
INC095-272340-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
605 PM EST SAT FEB 27 1999

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MADISON COUNTY IN CENTRAL INDIANA

* UNTIL 640 PM EST

* AT 600 PM EST...SPOTTERS INDICATED A SEVERE THUNDERSTORM 8 MILES
  NORTHWEST OF ANDERSON... MOVING EAST AT 35 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  ALEXANDRIA AT 620 PM EST
  ORESTES AT 620 PM EST
  SUMMETVILLE AT 635 PM EST

THIS STORM HAS A HISTORY OF LARGE HAIL. GO INSIDE A STURDY BUILDING
AND STAY AWAY FROM WINDOWS

JEH


&

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

Local storm report, Feb 27, 5:57 PM EST, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
557 PM EST SAT FEB 27 1999

TIME(EST)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0545 PM    8 NW INDIANAPOLIS         IN    1 INCH HAIL
02/27/99   MARION                          HAIL REPORT AT 37TH AND
                                           GEORGETOWN BY THE PUBLIC.

JEH

Local storm report, Feb 27, 5:57 PM EST, 8 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
557 PM EST SAT FEB 27 1999

TIME(EST)  .....CITY LOCATION..... STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0545 PM    8 NW INDIANAPOLIS         IN    1 INCH HAIL
02/27/99   MARION                          HAIL REPORT AT 37TH AND
                                           GEORGETOWN BY THE PUBLIC.

JEH

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 27, 5:46 PM EST	Severe Thunderstorm Warning	IND	Marion	29 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1999 Every 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.