Alert archive / Nebraska / Flash Flood Warnings in 1995

Flash Flood Warning 2, NWS Omaha, NE

May 9, 1995Cass County, Nebraska

NWS Omaha, NE issued this flash flood warning at May 9, 1995, 12:30 AM CDT for Cass County, Nebraska. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
May 9, 1995, 12:30 AM CDT (05:30 UTC)
Expired
May 9, 1995, 3:25 AM CDT
In force
3 hr
Issued by
NWS Omaha, NE
Area
Whole counties

County Cass County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 5.5 hours before the alert went out and 49 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, Omaha, NE at 00:00Z on 1995-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 41 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, Omaha, NE at 00:00Z on 1995-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -61 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
41 J/kg
Mixed-layer CIN
-99 J/kg
Mixed-layer LCL
1136 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-61 m²/s²
0-3 km storm-relative helicity
-149 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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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 Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 7:53 PM CDTSevere Thunderstorm WarningOAXGage, Lancaster37 min
May 8, 8:02 PM CDTTornado WarningOAXNemaha28 min
May 8, 8:17 PM CDTTornado WarningOAXJohnson28 min
May 8, 8:31 PM CDTTornado WarningOAXGage, Lancaster29 min
May 8, 8:40 PM CDTTornado WarningOAXNemaha35 min
May 8, 8:52 PM CDTTornado WarningOAXOtoe53 min
May 8, 9:43 PM CDTTornado WarningOAXCass, Otoe32 min
May 8, 10:11 PM CDTTornado WarningOAXCass49 min
May 8, 11:01 PM CDTTornado WarningOAXCass29 min
May 8, 11:11 PM CDTTornado WarningOAXLancaster34 min
May 8, 11:21 PM CDTSevere Thunderstorm WarningOAXSarpy39 min
May 8, 11:37 PM CDTSevere Thunderstorm WarningOAXCass38 min
May 9, 12:30 AM CDTFlash Flood WarningOAXNemaha, Otoe3 hr

Nearby

Flash Flood Warnings in Nebraska, 1995Every flash flood warning in 1995

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.