Alert archive / Indiana / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 28, NWS Northern Indiana

May 19, 1998Noble County, Indiana

NWS Northern Indiana issued this severe thunderstorm warning at May 19, 1998, 7:39 AM EST for Noble County, Indiana. It was in force for 36 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
May 19, 1998, 7:39 AM EST (12:39 UTC)
Expired
May 19, 1998, 8:15 AM EST
In force
36 min
Issued by
NWS Northern Indiana
Area
Whole counties

County Noble County, IN

The radar

The Northern Indiana radar (KIWX), 24 km from the middle of the area, began a volume at 12:42 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

Detroit, MI (KDTX), launched 12:00Z, 0.7 hours before the alert went out and 220 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, Detroit, MI at 12:00Z on 1998-05-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Detroit, MI at 12:00Z on 1998-05-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2084 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
76 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.

867 
WUUS53 KIWX 191241 RRA
SVRFWA
INC113-191310-

BULLETIN- EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTHERN INDIANA
739 AM EST TUE MAY 19 1998

THE NATIONAL WEATHER SERVICE IN NORTHERN INDIANA HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN NOBLE COUNTY IN NORTHEASTERN INDIANA

* UNTIL 815 AM EST

* AT 740 AM EST... DOPPLER RADAR AT NORTH WEBSTER INDICATED A
  SEVERE THUNDERSTORM JUST EAST OF ALBION.

* THE SEVERE THUNDERSTORMS WILL BE MOVING EAST SOUTHEAST AT 20
MPH. THE STORMS WILL MOVE ACROSS EASTERN NOBLE COUNTY THROUGH
800 AM.

AT 735 AM SHERIFFS DEPARTMENT REPORTED DIME SIZE HAIL IN ALBION.

SEEK SHELTER INSIDE A STURDY BUILDING AWAY FROM WINDOWS.  SEVERE
THUNDERSTORMS PRODUCE DESTRUCTIVE HAIL AND DAMAGING WINDS.

JAH

The office that day

Everything else NWS Northern Indiana issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 19, 8:02 AM ESTSevere Thunderstorm WarningIWXAllen, DeKalb33 min
May 19, 4:54 PM ESTSevere Thunderstorm WarningIWXWhite46 min
May 19, 5:23 PM ESTSevere Thunderstorm WarningIWXPulaski52 min
May 19, 5:32 PM ESTSevere Thunderstorm WarningIWXFulton48 min
May 19, 6:08 PM ESTTornado WarningIWXStarke47 min
May 19, 6:19 PM ESTSevere Thunderstorm WarningIWXFulton51 min
May 19, 6:27 PM ESTTornado WarningIWXMiami, Wabash48 min

Nearby

Severe Thunderstorm Warnings in Indiana, 1998Every severe thunderstorm warning in 1998

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.