Alert archive / Nebraska / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 52, NWS North Platte, NE

June 24, 1994Antelope County, Boone County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 24, 1994, 8:13 PM CDT for Antelope County, Boone County, Nebraska. It was in force for 62 min.

The area

The counties it named.

The facts

Issued
Jun 24, 1994, 8:13 PM CDT (01:13 UTC)
Expired
Jun 24, 1994, 9:15 PM CDT
In force
62 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Antelope County, NE, Boone County, NE

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.2 hours before the alert went out and 157 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 1994-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 478 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 1994-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -7 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
478 J/kg
Mixed-layer CIN
-131 J/kg
Mixed-layer LCL
1911 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-7 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KOFK 250115 RRA
SVROFK
NEC011-003-250215-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
813 PM CDT FRI JUN 24 1994
 
THE NATIONAL WEATHER SERVICE IN NORFOLK HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  915 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN CENTRAL NEBRASKA
 
   ...NORTHWESTERN BOONE COUNTY
 
IN NORTHEAST NEBRASKA
 
   ...SOUTHWESTERN ANTELOPE COUNTY
 
AT 810 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 15 MILES WEST OF
NELIGH OR 45 MILES WEST OF NORFOLK. THE STORM IS MOVING SOUTH AT 30 MPH
AND WITH ITS PRESENT COURSE WILL MOVE JUST WEST OF ELGIN...AND
PETERBURG. PEOPLE IN THESE AREA SHOULD TAKE SHELTER AS THIS STORM HAS A
HISTORY OF PRODUCING LARGE HAIL.
 
PEOPLE IN THE PATH OF THIS STORM SHOULD TAKE SHELTER IMMEDIATELY.
PREPARE FOR DAMAGING WINDS...LARGE HAIL...DEADLY LIGHTNING AND VERY
HEAVY RAIN THAT CAN QUICKLY FLOOD A LOW LYING AREA.  REMEMBER...
SEVERE 4THUNDERSTORMS CAN PRODUCE A TORNADO WITH LITTLE OR NO WARNING.
 
...SEVERE THUNDERSTORM WATCH IS IN EFFECT UNTIL 10 PM FOR NORTHEAST AND
EASTERN NORTH CENTRAL NEBRASKA...
 
MML

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 24, 7:08 PM CDTTornado WarningLBFKnox57 min
Jun 24, 7:08 PM CDTTornado WarningLBFAntelope, Holt67 min
Jun 24, 8:22 PM CDTTornado WarningLBFAntelope, Boone26 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1994Every severe thunderstorm warning in 1994

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.