Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 50, NWS North Platte, NE

June 15, 1990Arthur County, Grant County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jun 15, 1990, 8:23 PM MDT for Arthur County, Grant County, Nebraska. It was in force for 67 min.

The area

The counties it named.

The facts

Issued
Jun 15, 1990, 8:23 PM MDT (02:23 UTC)
Expired
Jun 15, 1990, 9:30 PM MDT
In force
67 min
Issued by
NWS North Platte, NE
Area
Whole counties

Counties Arthur County, NE, Grant County, NE

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.4 hours before the alert went out and 115 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 1990-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2620 joules per kilogram.LCLEL10008507005003002001001 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 1990-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 34 square meters per square second.1939587897Sfc1 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
2620 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
861 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
34 m²/s²
0-3 km storm-relative helicity
107 m²/s²
Significant tornado parameter
1.0
Supercell composite
4.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KLBF 160223
SVRLBF
NEC005-075-160330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORTH PLATTE NE
823 PM MDT FRI JUN 15 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 930 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTH CENTRAL PART OF NEBRASKA
      NORTHERN ARTHUR...SOUTHERN GRANT

AT 818 PM MDT RADAR INDICATES A SEVERE THUNDERSTORM MOVING
EAST AT 30 MILES PER HOUR. THE THUNDERSTORMS IS MOVING ALONG
THE ARTHUR AND GRANT COUNTY LINE.

IF YOU ARE IN THE AREA THREATENED BY THE STORM...GO TO A REINFORCED
SHELTER AND PREPARE FOR STRONG DAMAGING WIND...LARGE HAIL...VERY
HEAVY RAIN...AND DEADLY LIGHTNING.

REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE A
TORNADO WITH LITTLE OR NO ADVANCE WARNING SO BE ON THE LOOKOUT!!

INTENSE LIGHTNING IS REPORTED WITH THIS STORM.  IF OUTDOORS...
STAY AWAY FROM HIGH OBJECTS.  MOVE INDOOR IF POSSIBLE.  WHEN
INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING
TELEPHONES AND ELECTRICAL EQUIPMENT.

 HETZKE 0222Z

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 15, 6:09 PM MDTTornado WarningLBFHitchcock36 min
Jun 15, 6:16 PM MDTSevere Thunderstorm WarningLBFLincoln59 min
Jun 15, 6:34 PM MDTTornado WarningLBFFrontier, Hayes26 min
Jun 15, 6:56 PM MDTSevere Thunderstorm WarningLBFLincoln64 min
Jun 15, 7:05 PM MDTTornado WarningLBFFrontier, Red Willow25 min
Jun 15, 7:37 PM MDTTornado WarningLBFFrontier38 min
Jun 15, 10:15 PM MDTFlash Flood WarningLBFBoone3 hr
Jun 15, 10:15 PM MDTFlash Flood WarningLBFColfax, Cuming, Platte, Stanton3 hr
Jun 15, 10:15 PM MDTFlash Flood WarningLBFMadison, Pierce, Wayne3 hr
Jun 16, 1:12 AM MDTFlash Flood WarningLBFColfax, Cuming, Platte, Stanton3 hr
Jun 16, 1:12 AM MDTFlash Flood WarningLBFMadison, Pierce, Wayne3 hr
Jun 16, 1:12 AM MDTFlash Flood WarningLBFBoone3 hr
Jun 16, 3:11 PM MDTSevere Thunderstorm WarningLBFCedar, Knox34 min
Jun 16, 3:19 PM MDTSevere Thunderstorm WarningLBFBoyd, Holt56 min
Jun 16, 3:44 PM MDTTornado WarningLBFBoyd, Holt31 min
Jun 16, 4:17 PM MDTTornado WarningLBFBoyd, Holt, Knox28 min
Jun 16, 4:45 PM MDTTornado WarningLBFKnox30 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1990Every severe thunderstorm warning in 1990

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.