Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 84, NWS North Platte, NE

July 8, 1993Frontier County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 8, 1993, 7:19 PM CDT for Frontier County, Nebraska. It was in force for 26 min.

The area

The counties it named.

The facts

Issued
Jul 8, 1993, 7:19 PM CDT (00:19 UTC)
Expired
Jul 8, 1993, 7:45 PM CDT
In force
26 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Frontier County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.3 hours before the alert went out and 69 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 1993-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2676 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 1993-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.19395878Sfc1 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
2676 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1139 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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.

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.

In the hours before

Special weather statement, Jul 8, 5:17 PM CDT, 2 hours 2 minutes before
NEZ006-007-012-016-017-082330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
415 PM MDT THU JUL 8 1993

...INTENSE THUNDERSTORMS WILL SOON MOVE INTO SOUTHWEST NEBRASKA...

AT 414 PM CDT AN INTENSE THUNDERSTORM WAS ABOUT 15 MILES SOUTHWEST OF
VENANGO AND MOVING EAST AT 35 MPH.  THIS IS ABOUT 80 MILES SOUTHWEST
OF NORTH PLATTE.  THIS STORM COULD CAUSE HAIL AND STRONG WINDS AS IT
MOVES EAST ACROSS SOUTH PERKINS AND CHASE COUNTY B|ETWEEN 415 AND 615
MDT.

A TORNADO WATCH IS IN EFFECT FOR SOUTHWEST NEBRASKA.

RC
Special weather statement, Jul 8, 5:20 PM CDT, 1 hour 59 minutes before
NEZ006-007-012-016-017-082330-

SPECIAL WEATHER STATEMENT...CORRECTED FOR MDT...
NATIONAL WEATHER SERVICE NORTH PLATTE NE
415 PM MDT THU JUL 8 1993

...INTENSE THUNDERSTORMS WILL SOON MOVE INTO SOUTHWEST NEBRASKA...

AT 414 PM MDT AN INTENSE THUNDERSTORM WAS ABOUT 15 MILES SOUTHWEST OF
VENANGO AND MOVING EAST AT 35 MPH.  THIS IS ABOUT 80 MILES SOUTHWEST
OF NORTH PLATTE.  THIS STORM COULD CAUSE HAIL AND STRONG WINDS AS IT
MOVES EAST ACROSS SOUTH PERKINS AND CHASE COUNTY BETWEEN 415 AND 615
MDT.

A TORNADO WATCH IS IN EFFECT FOR SOUTHWEST NEBRASKA.

RC

The office that day

Everything else NWS North Platte, NE issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 7:05 PM CDTSevere Thunderstorm WarningLBFCuster55 min
Jul 8, 7:17 PM CDTSevere Thunderstorm WarningLBFLoup28 min
Jul 8, 7:44 PM CDTSevere Thunderstorm WarningLBFLoup31 min
Jul 8, 7:58 PM CDTSevere Thunderstorm WarningLBFCuster32 min
Jul 8, 8:42 PM CDTFlash Flood WarningLBFCuming3 hr
Jul 8, 9:50 PM CDTSevere Thunderstorm WarningLBFBoone, Madison, Platte55 min
Jul 8, 10:35 PM CDTSevere Thunderstorm WarningLBFColfax55 min
Jul 8, 10:42 PM CDTFlash Flood WarningLBFColfax, Madison, Platte, Stanton3 hr
Jul 8, 11:11 PM CDTFlash Flood WarningLBFCuming3 hr
Jul 8, 11:11 PM CDTFlash Flood WarningLBFBoone3 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 1993Every severe thunderstorm 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.