Alert archive / Indiana / Flash Flood Warnings in 1991

Flash Flood Warning 19, NWS Indianapolis, IN

July 7, 1991LaPorte County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jul 7, 1991, 11:05 AM CDT for LaPorte County, Indiana. It was in force for 115 min.

The area

The counties it named.

The facts

Issued
Jul 7, 1991, 11:05 AM CDT (16:05 UTC)
Expired
Jul 7, 1991, 1:00 PM CDT
In force
115 min
Issued by
NWS Indianapolis, IN
Area
Whole counties

County LaPorte County, IN

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 4.1 hours before the alert went out and 282 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, Dayton/James M C, OH at 12:00Z on 1991-07-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1475 joules per kilogram.LCLLFCEL10008507005003002001001 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, Dayton/James M C, OH at 12:00Z on 1991-07-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 182 square meters per square second.193958Sfc1 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
1475 J/kg
Mixed-layer CIN
-149 J/kg
Mixed-layer LCL
1222 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
182 m²/s²
0-3 km storm-relative helicity
197 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 7, 8:20 AM CDTSevere Thunderstorm WarningINDLaPorte40 min
Jul 7, 8:32 AM CDTSevere Thunderstorm WarningINDSaint Joseph43 min
Jul 7, 6:04 PM CDTSevere Thunderstorm WarningINDLaPorte41 min
Jul 7, 6:23 PM CDTSevere Thunderstorm WarningINDSaint Joseph52 min
Jul 7, 6:34 PM CDTSevere Thunderstorm WarningINDElkhart41 min

Nearby

Flash Flood Warnings in Indiana, 1991Every flash flood warning in 1991

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.