Alert archive / Nebraska / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 21, NWS Hastings, NE

July 2, 1989Buffalo County, Dawson County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jul 2, 1989, 1:14 AM CDT for Buffalo County, Dawson County, Nebraska. It was in force for 61 min.

The area

The counties it named.

The facts

Issued
Jul 2, 1989, 1:14 AM CDT (06:14 UTC)
Expired
Jul 2, 1989, 2:15 AM CDT
In force
61 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Buffalo County, NE, Dawson 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, 6.2 hours before the alert went out and 101 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 1989-07-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1712 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 1989-07-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 14 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
1712 J/kg
Mixed-layer CIN
-165 J/kg
Mixed-layer LCL
1524 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
14 m²/s²
0-3 km storm-relative helicity
102 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRI 020614
SVRGRI
NEC019-047-020715-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE GRAND ISLAND NE
114 AM CDT SUN JUL 2 1989

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 215 AM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE SOUTH CENTRAL PART OF NEBRASKA
      WESTERN BUFFALO...EASTERN DAWSON

AT 1 10 AM CDT RADAR INDICATED A SEVERE THUNDERSTORM 10 MILES
NORTHEAST OF LEXINGTON NEBRASKA ;MOVING SOUTHEAST AT 25 MPH.

THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
ADVANCE WARNING... SO BE ON THE LOOKOUT.

THIS SLOW MOVING THUNDERSTORM MAY CAUSE FLOODING OF SMALL STREAMS
AND UNDERPASSES.  PERSONS DRIVING IN THE WARNED AREA SHOULD WATCH
FOR WATER OVER ROADS... IN UNDERPASSES AND NEAR SMALL STREAMS.

PEOPLE IN THE WARNED AREA SHOULD GET INTO A REINFORCED SHELETER AND
PREPARE FOR DAMAGING WIND... LARGE HAIL... VERY HEAVY RAIN AND
DANGEROUS LIGHTNING.

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 2, 12:49 AM CDT, 25 minutes before
SPECIAL WEATHER STATMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
1230 AM CDT SUN JUL 2 1989

AT 1230 AM CDT THHUNDERSTORMS WERE BUILDING RAPIDLY IN WEST CENTRAL
NEBRASKA.

THE STRONGEST STORMS WERE IN A 10 MILE LINE THAT EXTENDED FROM JUST EAST
BURWELL..MASON CITY TO GOTHENBURG TO SOUTH OF NORTH PLATTE. WITH THE
HEAVYIEST STORM FROM LITCHFIELD TO SUMMER..WHICH IS 20 MILES NORTHEAST
OF LEXINGTON.  VERY HEAVY RAIN..HAIL AND STRONG GUSTY WIND ARE POSSIBLE
IN THE THUNDERSTORMS.

MOVEMENT WAS SOUTHEAST AT 30 MPH.
OEB

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 2, 1:44 AM CDTSevere Thunderstorm WarningGIDPhelps61 min
Jul 2, 2:31 AM CDTSevere Thunderstorm WarningGIDFranklin59 min
Jul 2, 2:49 AM CDTFlash Flood WarningGIDFranklin3 hr

Nearby

Severe Thunderstorm Warnings in Nebraska, 1989Every severe thunderstorm warning in 1989

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.