Alert archive / Nebraska / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 27, NWS North Platte, NE

May 28, 1991Boone County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at May 28, 1991, 11:25 PM CDT for Boone County, Nebraska. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
May 28, 1991, 11:25 PM CDT (04:25 UTC)
Expired
May 29, 1991, 12:00 AM CDT
In force
35 min
Issued by
NWS North Platte, NE
Area
Whole counties

County Boone County, NE

The nearest sounding before it

Omaha, NE (KOVN), launched 00:00Z, 4.4 hours before the alert went out and 148 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 1991-05-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2095 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 1991-05-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 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
2095 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
1829 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
49 m²/s²
Significant tornado parameter
0.1
Supercell composite
8.8

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.

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, May 28, 5:45 PM CDT, 5 hours 40 minutes before
NEZ006-007-012-016-017-290100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
540 PM CDT TUE MAY 28 1991

....TORNADO WATCH 415 IN EFFECT UNTIL 9PM MDT FOR..KEITH..PERKINS
...CHASE AND DUNDY COUNTIES OF SOUTHWEST NEBRASKA...

AT 540 PM CDT SOME LIGHT SHOWERS WERE IN WEST CENTRAL NEBRASKA.
THE SHOWERS WAS IN A 10 MILE BAND FROM 20 MILES SOUTHWEST OF MULLEN
IN HOOKER COUNTY OR 53 MILES SOUTH SOUTHWEST OF VALENTINE TO
10 MILES SOUTHWEST OF ARTHUR IN ARTHUR COUNTY OR 55 MILES
WEST NORTH WEST OF NORTH PLATTE. THESE SHOWERS WERE MOVING
NORTHEAST AT 30 MILES AN HOUR.

NO SEVERE WEATHER WAS OCCURING IN THE WATCH AREA IN SOUTHWEST
NEBRASKA.  THE CITIES INCLUDED IN THE /WATCH AREA ARE OGALLALA
AND IMPERIAL. STRONG THUNDERSTORMS WERE IN NORTHEAST COLORADO
AND WILL BE MOVING INTO SOUTHWEST NEBRASKA BY 500 PM MDT.
HETZKE
Special weather statement, May 28, 6:20 PM CDT, 5 hours 5 minutes before
NEZ006-007-012-016-017-290130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE NORTH PLATTE NE
615 PM CDT TUE MAY 28 1991

....TORNADO WATCH 415 IN EFFECT UNTIL 9PM MDT FOR..KEITH..PERKINS
...CHASE AND DUNDY COUNTIES OF SOUTHWEST NEBRASKA...

AT 615 PM CDT STRONG THUNDERSTORMS WERE MOVING OUT OF COLORADO
INTO SOUTHWEST NEBRASKA. A 60 MILE BAND OF STRONG THUNDERSTORMS
EXTENDING FROM 20 MILES NORTH OF OGALLALA IN KEITH COUNTY OR 60
MILES WEST OF NORTH PLATTE TO 20 MILES SOUTHWEST OF IMPERIAL
IN CHASE COUNTY OR 65 MILES SOUTHWEST OF NORTH PLATTE.
THIS BAND OF THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH.

BRIEF HEAVY RAIN..GUSTY SURFACE WINDS AND HAIL WITH THESE
THUNDERSTORMS. IF THLREATENING WEATHER APPROACHES GO TO A
BASEMENT OR INTERIOR ROOM.

HETZKE
Local storm report, May 28, 10:37 PM CDT, 48 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 28, 7:21 PM CDTTornado WarningLBFChase, Hayes69 min
May 28, 7:43 PM CDTTornado WarningLBFLincoln32 min
May 28, 7:57 PM CDTSevere Thunderstorm WarningLBFLincoln33 min
May 28, 8:08 PM CDTTornado WarningLBFLincoln, Logan37 min
May 28, 8:09 PM CDTTornado WarningLBFLincoln36 min
May 28, 8:15 PM CDTTornado WarningLBFLogan30 min
May 28, 8:58 PM CDTSevere Thunderstorm WarningLBFBlaine, Brown47 min
May 28, 9:07 PM CDTSevere Thunderstorm WarningLBFCuster48 min
May 28, 10:33 PM CDTSevere Thunderstorm WarningLBFHolt42 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1991Every severe thunderstorm warning in 1991

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.