Alert archive / Nebraska / Tornado Warnings in 1988

Tornado Warning 7, NWS Cheyenne, WY

August 9, 1988Banner County, Morrill County, Nebraska

NWS Cheyenne, WY issued this tornado warning at Aug 9, 1988, 3:13 PM MDT for Banner County, Morrill County, Nebraska. It was in force for 32 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Aug 9, 1988, 3:13 PM MDT (21:13 UTC)
Expired
Aug 9, 1988, 3:45 PM MDT
In force
32 min
Issued by
NWS Cheyenne, WY
Area
Whole counties

Counties Banner County, NE, Morrill County, NE

The radar

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

What was reported inside it

TimeReportWhereRemark
Aug 9, 3:25 PM MDTTornado F1Morrill, NE

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.

The nearest sounding before it

Denver, CO (KDEN), launched 12:00Z, 9.2 hours before the alert went out and 196 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, Denver, CO at 12:00Z on 1988-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 294 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 1988-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 square meters per square second.19395878Sfc1 km3 km6 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
294 J/kg
Mixed-layer CIN
-247 J/kg
Mixed-layer LCL
1467 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
77 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 KBFF 092113
TORBFF
NEC123-007-092145-

BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED 
TORNADO WARNING 
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
313 PM MDT TUE AUG 9 1988

THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING 
EFFECTIVE UNTIL 345 PM MDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE PANHANDLE OF NEBRASKA
      MORRILL...EASTERN BANNER

AT 300 PM MDT A TORNADO WAS SIGHTED 20 MILES SOUTHWEST OF BRIDGEPORT
NEBRASKA...IN EASTERN BANNER COUNTY MOVING TO THE NORTHEAST AT 20
MPH.

IF YOU ARE CAUGHT OUTSIDE...FIND SHELTER IN A NEARBY REINFORCED
BUILDING.  AS A LAST RESORT...TAKE SHELTER IN A CULVERT...DITCH OR
LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

KIRKK

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 9, 3:31 PM MDTTornado WarningCYSMorrill29 min
Aug 9, 4:00 PM MDTTornado WarningCYSCheyenne30 min
Aug 9, 4:10 PM MDTSevere Thunderstorm WarningCYSGarden65 min
Aug 9, 4:23 PM MDTSevere Thunderstorm WarningCYSCheyenne, Deuel, Garden67 min

Nearby

Tornado Warnings in Nebraska, 1988Every tornado warning in 1988Tornadoes in 1988

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.