Alert archive / Nebraska / Flash Flood Warnings in 1993

Flash Flood Warning 4, NWS Omaha, NE

June 13, 1993Dodge County, Washington County, Nebraska

NWS Omaha, NE issued this flash flood warning at Jun 13, 1993, 1:38 AM CDT for Dodge County, Washington County, Nebraska. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jun 13, 1993, 1:38 AM CDT (06:38 UTC)
Expired
Jun 13, 1993, 6:45 AM CDT
In force
5 hr
Issued by
NWS Omaha, NE
Area
Whole counties

Counties Dodge County, NE, Washington County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.6 hours before the alert went out and 351 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, N. Platte/Lee Bi, NE at 00:00Z on 1993-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3592 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, N. Platte/Lee Bi, NE at 00:00Z on 1993-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 111 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
3592 J/kg
Mixed-layer CIN
-66 J/kg
Mixed-layer LCL
1148 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
111 m²/s²
0-3 km storm-relative helicity
128 m²/s²
Significant tornado parameter
1.3
Supercell composite
10.8

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 Omaha, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 11:18 PM CDTSevere Thunderstorm WarningOAXDodge42 min
Jun 13, 4:26 PM CDTSevere Thunderstorm WarningOAXRichardson34 min
Jun 13, 4:00 AM CDTSevere Thunderstorm WarningOAXShelby45 min
Jun 13, 4:00 AM CDTSevere Thunderstorm WarningOAXHarrison38 min
Jun 13, 3:47 PM CDTSevere Thunderstorm WarningOAXMontgomery28 min
Jun 13, 4:05 PM CDTSevere Thunderstorm WarningOAXFremont40 min

Nearby

Flash Flood Warnings in Nebraska, 1993Every flash flood warning in 1993

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.