Alert archive / Nebraska / Tornado Warnings in 1993

Tornado Warning 10, NWS North Platte, NE

July 10, 1993Boyd County, Holt County, Nebraska

NWS North Platte, NE issued this tornado warning at Jul 10, 1993, 7:48 PM CDT for Boyd County, Holt County, Nebraska. It was in force for 27 min.

The area

The counties it named.

The facts

Issued: Jul 10, 1993, 7:48 PM CDT (00:48 UTC)
Expired: Jul 10, 1993, 8:15 PM CDT
In force: 27 min
Issued by: NWS North Platte, NE
Area: Whole counties

Counties Boyd County, NE, Holt County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 0.8 hours before the alert went out and 229 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: 3391 J/kg
Mixed-layer CIN: -69 J/kg
Mixed-layer LCL: 1272 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 119 m²/s²
0-3 km storm-relative helicity: 283 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 12.4

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KOFK 110051
TOROFK
NEC015-089-110115-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE NORFOLK NE
748 PM CDT SAT JUL 10 1993
 
THE NATIONAL WEATHER SERVICE IN NORFOLK HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  815 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...
 
IN NORTH CENTRAL NEBRASKA
 
   ...EASTERN BOYD COUNTY...NORTHERN HOLT COUNTY
 
AT 745 PM CDT...RADAR INDICATED A POSSIBLE TORNADO 7 MILES SOUTHWEST OF
BUTTE OR 25 MILES NORTHWEST OF ONEILL. THE STORM IS MOVING
EAST-NORTHEAST AT 30 MPH. THE TOWNS OF BUTTE...SPENCER..AND LYNCH ARE
IN THE PATH OF THIS STORM...RESIDENTS SHOULD TAKE SHELTER NOW.
 
TAKE SHELTER IMMEDIATELY.  GET TO A BASEMENT IF POSSIBLE.
OTHERWISE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR.
ABANDON CARS AND MOBILE HOMES...TAKE SHELTER IN A REINFORCED
BUILDING.
 
THIS REPLACES THE SEVERE THUNDERSTORM WATCH FOR NORTHERN HOLT...BOYD AND
NORTHERN ROCK COUNTIES.
A TORNADO WATCH IS IN EFFECT FOR NORTH CENTRAL NEBRASKA UNTIL 11 PM.
 
MML

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 10, 7:11 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt, Rock	64 min
Jul 10, 7:13 PM CDT	Severe Thunderstorm Warning	LBF	Chase, Perkins	47 min
Jul 10, 8:11 PM CDT	Severe Thunderstorm Warning	LBF	Hayes, Lincoln	49 min
Jul 10, 8:18 PM CDT	Severe Thunderstorm Warning	LBF	Boyd, Holt, Knox	57 min
Jul 10, 9:01 PM CDT	Severe Thunderstorm Warning	LBF	Loup	24 min
Jul 10, 9:01 PM CDT	Severe Thunderstorm Warning	LBF	Garfield, Wheeler	59 min
Jul 10, 9:02 PM CDT	Severe Thunderstorm Warning	LBF	Hayes	43 min
Jul 10, 9:11 PM CDT	Severe Thunderstorm Warning	LBF	Holt, Knox	64 min
Jul 10, 10:49 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	56 min
Jul 10, 11:31 PM CDT	Severe Thunderstorm Warning	LBF	Frontier	44 min
Jul 11, 8:10 AM CDT	Flash Flood Warning	LBF	Frontier	2 hr

Nearby

Tornado Warnings in Nebraska, 1993 Every tornado warning in 1993 Tornadoes in 1993

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.