Alert archive / Nebraska / Severe Thunderstorm Warnings in 1992

Severe Thunderstorm Warning 86, NWS North Platte, NE

July 7, 1992Garfield County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Jul 7, 1992, 8:56 PM CDT for Garfield County, Nebraska. It was in force for 49 min. 2 reports 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: Jul 7, 1992, 8:56 PM CDT (01:56 UTC)
Expired: Jul 7, 1992, 9:45 PM CDT
In force: 49 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Garfield County, NE

What was reported inside it

Time	Report	Where	Remark
Jul 7, 9:15 PM CDT	Hail 1.75	Garfield, NE
Jul 7, 9:30 PM CDT	Hail 1.75	Garfield, 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

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.9 hours before the alert went out and 160 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2790 J/kg
Mixed-layer CIN: -21 J/kg
Mixed-layer LCL: 1394 m above ground
0-6 km bulk shear: 62 kt
0-1 km storm-relative helicity: 12 m²/s²
0-3 km storm-relative helicity: 227 m²/s²
Significant tornado parameter: 2.2
Supercell composite: 13.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOFK 080156
SVROFK
NEC071-080245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE NORFOLK NE
856 PM CDT TUE JUL 7 1992

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 945 PM CDT FOR PEOPLE IN THE FOLLOWING 
COUNTY

   IN THE NORTH CENTRAL PART OF NEBRASKA
      GARFIELD

AT 855 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM ABOUT 55 MILES
SOUTHWEST OF O NEILL OR NEAR BURWELL.  MOVEMENT WAS NORTHEAST AT
25 MPH.  BURWELL IS IN THE PATH OF THIS STORM.  GOLFBALL SIZE HAIL
WAS REPORTED 4 MILES SOUTH OF BURWELL AT 850 PM CDT.

PEOPLE IN THE PATH OF THIS STORM SHOULD MOVE INSIDE A STRONG
BUILDING.  FOR YOUR PROTECTION MOVE TOe AN INTERIOR ROOM ON THE
LOWEST FLOOR OF YOUR HOME OR BUSINESS.  HEAVY RAINS QUICKLY FLOOD
ROADWAYS...DO NOT DRIVE INTO WATER COVERED ROADWAYS.

 MILLER

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 7, 7:23 PM CDT	Severe Thunderstorm Warning	LBF	Frontier, Red Willow	57 min
Jul 7, 8:06 PM CDT	Severe Thunderstorm Warning	LBF	Red Willow	54 min
Jul 7, 9:22 PM CDT	Severe Thunderstorm Warning	LBF	Wheeler	38 min
Jul 7, 11:34 PM CDT	Severe Thunderstorm Warning	LBF	Cedar	41 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1992 Every severe thunderstorm warning in 1992

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.