Alert archive / Indiana / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 121, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Jul 28, 1999, 10:08 PM EST for Marshall County, Indiana. It was in force for 47 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 28, 1999, 10:08 PM EST (03:08 UTC)
- Expired
- Jul 28, 1999, 10:55 PM EST
- In force
- 47 min
- Issued by
- NWS Northern Indiana
- Area
- Whole counties
County Marshall County, IN
The radar
The Northern Indiana radar (KIWX), 47 km from the middle of the area, began a volume at 03:11 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 28, 8:30 PM EST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 3.1 hours before the alert went out and 236 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
- 2081 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1248 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 97 m²/s²
- 0-3 km storm-relative helicity
- 148 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 9.2
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 Northern Indiana wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 28, 9:23 PM EST, 45 minutes earlier.
Area forecast discussion, Jul 28, 9:23 PM EST, 45 minutes before
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Special weather statement, Jul 28, 8:48 PM EST, 1 hour 20 minutes before
INZ003>009-012>018-020-022>027-032>034-290600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 848 PM EST WED JUL 28 1999 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR NORTHERN INDIANA... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR NORTHERN INDIANA UNTIL 100 AM EST. WINDS IN EXCESS OF 58 MPH AND HAIL THREE QUARTERS OF AN INCH OR LARGER WILL BE POSSIBLE IN AND NEAR THE WATCH AREA. THE INDIANA COUNTIES OF LAPORTE...PULASKI...STARKE...WHITE...CASS... MARSHALL...ELKHART...MIAMI...FULTON...ST JOSEPH...KOSCIUSKO... WABASH...ADAMS...ALLEN...DE KALB...HUNTINGTON...LA GRANGE...NOBLE... STEUBEN...WELLS AND WHITLEY ARE INCLUDED IN THIS WATCH. THE WATCH AREA IS ALONG AND 100 STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF FORT WAYNE INDIANA TO 55 MILES SOUTHEAST OF FORT WAYNE INDIANA. A COLD FRONT WILL MOVE ACROSS NORTHERN INDIANA THIS EVENING. THUNDERSTORMS WILL BE SCATTERED ALONG AND AHEAD OF THIS FRONT WITH SOME OF THESE THUNDERSTORMS POSSIBLY SEVERE. LISTEN TO THIS STATION FOR POSSIBLE WARNINGS AND STATEMENTS. IF A WARNING IS ISSUED...TAKE COVER IMMEDIATELY IN AN INTERIOR ROOM OR BASEMENT...AWAY FROM WINDOWS. OHARA
Special weather statement, Jul 28, 8:48 PM EST, 1 hour 20 minutes before
INZ003>009-012>018-020-022>027-032>034-290600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 848 PM EST WED JUL 28 1999 ...SEVERE THUNDERSTORM WATCH IN EFFECT FOR NORTHERN INDIANA... A SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR NORTHERN INDIANA UNTIL 100 AM EST. WINDS IN EXCESS OF 58 MPH AND HAIL THREE QUARTERS OF AN INCH OR LARGER WILL BE POSSIBLE IN AND NEAR THE WATCH AREA. THE INDIANA COUNTIES OF LAPORTE...PULASKI...STARKE...WHITE...CASS... MARSHALL...ELKHART...MIAMI...FULTON...ST JOSEPH...KOSCIUSKO... WABASH...ADAMS...ALLEN...DE KALB...HUNTINGTON...LA GRANGE...NOBLE... STEUBEN...WELLS AND WHITLEY ARE INCLUDED IN THIS WATCH. THE WATCH AREA IS ALONG AND 100 STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES NORTH OF FORT WAYNE INDIANA TO 55 MILES SOUTHEAST OF FORT WAYNE INDIANA. A COLD FRONT WILL MOVE ACROSS NORTHERN INDIANA THIS EVENING. THUNDERSTORMS WILL BE SCATTERED ALONG AND AHEAD OF THIS FRONT WITH SOME OF THESE THUNDERSTORMS POSSIBLY SEVERE. LISTEN TO THIS STATION FOR POSSIBLE WARNINGS AND STATEMENTS. IF A WARNING IS ISSUED...TAKE COVER IMMEDIATELY IN AN INTERIOR ROOM OR BASEMENT...AWAY FROM WINDOWS. OHARA
Local storm report, Jul 28, 9:31 PM EST, 37 minutes before
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</html>Local storm report, Jul 28, 9:31 PM EST, 37 minutes before
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</html>The office that day
Everything else NWS Northern Indiana issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 7:53 PM EST | Severe Thunderstorm Warning | IWX | Elkhart | 47 min |
| Jul 28, 8:08 PM EST | Severe Thunderstorm Warning | IWX | LaGrange | 47 min |
| Jul 28, 8:20 PM EST | Severe Thunderstorm Warning | IWX | Marshall | 50 min |
| Jul 28, 8:41 PM EST | Severe Thunderstorm Warning | IWX | Elkhart, Noble | 49 min |
| Jul 28, 8:53 PM EST | Tornado Warning | IWX | Marshall | 32 min |
| Jul 28, 9:10 PM EST | Severe Thunderstorm Warning | IWX | Kosciusko | 50 min |
| Jul 28, 11:27 PM EST | Severe Thunderstorm Warning | IWX | Wabash | 48 min |
| Jul 28, 11:53 PM EST | Severe Thunderstorm Warning | IWX | Wabash | 22 min |
| Jul 28, 7:05 PM EST | Severe Thunderstorm Warning | IWX | Hillsdale | 35 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 1999Every 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; radar from the NEXRAD Level II archive.