Alert archive / Indiana / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 3, NWS Northern Indiana
NWS Northern Indiana issued this severe thunderstorm warning at Apr 9, 1999, 3:01 AM EST for Allen County, Indiana. It was in force for 49 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
- Apr 9, 1999, 3:01 AM EST (08:01 UTC)
- Expired
- Apr 9, 1999, 3:50 AM EST
- In force
- 49 min
- Issued by
- NWS Northern Indiana
- Area
- Whole counties
County Allen County, IN
The nearest sounding before it
Cncnati-Daytn, OH (KILN), launched 00:00Z, 8.0 hours before the alert went out and 214 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
- 250 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 1483 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 166 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 Apr 9, 1:15 AM EST, 1 hour 46 minutes earlier.
Area forecast discussion, Apr 9, 1:15 AM EST, 1 hour 46 minutes before
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Special weather statement, Apr 8, 11:25 PM EST, 3 hours 36 minutes before
INZ020-022>027-032>034-090900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 1125 PM EST THU APR 8 1999 A TORNADO WATCH HAS BEEN ISSUED FOR A PORTION OF NORTHERN INDIANA UNTIL 4 AM EST. THE WATCH INCLUDES THE FOLLOWING INDIANA COUNTIES... WHITE...CASS...MIAMI...WABASH...GRANT...HUNTINGTON...WELLS... BLACKFORD...ADAMS AND JAY. SOME CITIES INCLUDED IN THE WATCH AREA ARE LOGANSPORT...WABASH... MARION...HUNTINGTON...PERU AND BLUFFTON. STAY TUNED TO NOAA WEATHER RADIO...CABLE TELEVISION OR LOCAL RADIO AND TELEVISION FOR THE LATEST SEVERE WEATHER INFORMATION. BARJENBRUCH
Special weather statement, Apr 8, 11:25 PM EST, 3 hours 36 minutes before
INZ020-022>027-032>034-090900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE NORTHERN INDIANA 1125 PM EST THU APR 8 1999 A TORNADO WATCH HAS BEEN ISSUED FOR A PORTION OF NORTHERN INDIANA UNTIL 4 AM EST. THE WATCH INCLUDES THE FOLLOWING INDIANA COUNTIES... WHITE...CASS...MIAMI...WABASH...GRANT...HUNTINGTON...WELLS... BLACKFORD...ADAMS AND JAY. SOME CITIES INCLUDED IN THE WATCH AREA ARE LOGANSPORT...WABASH... MARION...HUNTINGTON...PERU AND BLUFFTON. STAY TUNED TO NOAA WEATHER RADIO...CABLE TELEVISION OR LOCAL RADIO AND TELEVISION FOR THE LATEST SEVERE WEATHER INFORMATION. BARJENBRUCH
Special weather statement, Apr 9, 2:59 AM EST, 2 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 |
|---|---|---|---|---|
| Apr 9, 12:56 AM EST | Severe Thunderstorm Warning | IWX | Cass, Miami | 49 min |
| Apr 9, 8:59 AM EST | Severe Thunderstorm Warning | IWX | Jay | 31 min |
| Apr 9, 9:12 AM EST | Severe Thunderstorm Warning | IWX | Adams | 48 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.