Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 286, NWS North Platte, NE

October 16, 1998Frontier County, Nebraska

NWS North Platte, NE issued this severe thunderstorm warning at Oct 16, 1998, 6:32 PM CDT for Frontier County, Nebraska. It was in force for 63 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: Oct 16, 1998, 6:32 PM CDT (23:32 UTC)
Expired: Oct 16, 1998, 7:35 PM CDT
In force: 63 min
Issued by: NWS North Platte, NE
Area: Whole counties

County Frontier County, NE

The radar

The North Platte radar (KLNX), 160 km from the middle of the area, began a volume at 23:31 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
Oct 16, 6:40 PM CDT	Hail 1	Stockville, NE
Oct 16, 7:30 PM CDT	Hail 1	Eustis, 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Oct 16, 3:00 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.5 hours before the alert went out and 69 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: 658 J/kg
Mixed-layer CIN: -50 J/kg
Mixed-layer LCL: 1017 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: 250 m²/s²
0-3 km storm-relative helicity: 246 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.8

Open this sounding in Storm Lab

The text

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

686 
WUUS1 KLBF 162331 RRA
SVRLBF
NEC063-170035-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NORTH PLATTE NE
632 PM CDT FRI OCT 16 1998

THE NATIONAL WEATHER SERVICE IN NORTH PLATTE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN FRONTIER COUNTY IN SOUTHWESTERN NEBRASKA

* UNTIL 735 PM CDT

* AT 631 PM CDT... NORTH PLATTE DOPPLER RADAR INDICATED A SEVERE
  THUNDERSTORM 27 MILES NORTHEAST OF MCCOOK OR 17 MILES SOUTHWEST
  OF EUSTIS... MOVING NORTHEAST AT 40 MPH.

* DAMAGING HAIL AND/OR DESTRUCTIVE WINDS CAN BE EXPECTED NEAR...
  EUSTIS                       BY 655 PM CDT

DAMAGING WINDS AND LARGE HAIL ARE LIKELY. GO INSIDE A STURDY
BUILDING AND STAY AWAY FROM WINDOWS

WERT

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.

NWS North Platte, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 16, 4:10 PM CDT, 2 hours 22 minutes earlier.

Area forecast discussion, Oct 16, 4:10 PM CDT, 2 hours 22 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORTH PLATTE NE
410 PM CDT FRI OCT 16 1998

...INITIAL PROBLEM IS SEVERE WEATHER IN CWFA...

SEVERE THUNDERSTORMS ERUPTING THIS AFTERNOON AHEAD OF DRYSLOT SEEM PM
VISIBLE SATELLITE IMAGERY FROM ABOUT VTN THROUGH LBF TO MCK. THIS IS
OCCURRING WITH HELP OF SHORTWAVE INTO WESTERN NEBRASKA FROM WESTERN
KANSAS. EXPECT A LOOSELY ORGANIZED LINE TO MOVE THROUGH EASTERN HALF OF
CWFA THIS EVENING WITH MAIN THREAT BEING LARGE HAIL. NO REPORTS OF
ANYTHING LARGER THAN NICKEL SO FAR.

UPPER LEVEL LOW CENTERED OVER SOUTHERN UTAH IS DEPICTED SIMILARLY BY
MODELS TO LIFT NE INTO WESTERN NEBRASKA SATURDAY. ETA CONTINUES TREND
OF BEING FASTEST AND FARTHEST TO THE NORTH...WHILE NGM IS MOST
SOUTHERLY AND AVN IS COMPROMISE. BLEND OF NGM AND AVN LOOKS LIKE BEST
SOLUTION.

SHORTWAVE AIDING CURRENT ROUND OF STORMS WILL MOVE THROUGH EASTERN CWFA
THIS EVENING AND THEN UVV ASSOCIATED WITH LEFT EXIT REGION OF H3 JET
WILL KEEP SHOWERS LIKELY OVER CWFA OVERNIGHT...ESPECIALLY NORTH AND
EAST. COLD FRONT WILL MOVE EAST OUT OF CWFA EARLY SATURDAY WITH WRAP
AROUND MOISTURE ASSOCIATED WITH MAIN SURFACE LOW OVER SE SD AND
NORTHEAST NEBRASKA BY MIDDAY. WILL BE WINDvY...COLD AND SHOWERY WITH
GRADUAL CLEARING SATURDAY NIGHT AND THEN DRYING OUT FROM WEST TO EAST
SUNDAY. COULD BE SOME SNOW MIXED WITH RAIN ONLY IN FAR NORTHWEST.

SHEETS

In the hours before

Local storm report, Oct 16, 4:18 PM CDT, 2 hours 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
418 PM CDT FRI OCT 16 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0345 PM    7 SE GANDY                NE   1.50 INCH HAIL
10/16/98   LOGAN

SLM

Local storm report, Oct 16, 4:18 PM CDT, 2 hours 14 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
418 PM CDT FRI OCT 16 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0345 PM    7 SE GANDY                NE   1.50 INCH HAIL
10/16/98   LOGAN

SLM

Local storm report, Oct 16, 4:39 PM CDT, 1 hour 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
439 PM CDT FRI OCT 16 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0430 PM    8 ESE STOCKVILLE          NE   0.75 INCH HAIL
10/16/98   FRONTIER

SLM

Local storm report, Oct 16, 4:39 PM CDT, 1 hour 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
439 PM CDT FRI OCT 16 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0430 PM    8 ESE STOCKVILLE          NE   0.75 INCH HAIL
10/16/98   FRONTIER

SLM

Local storm report, Oct 16, 6:06 PM CDT, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
606 PM CDT FRI OCT 16 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0603 PM    10 ESE OCONTO             NE   0.88 INCH HAIL
10/16/98   CUSTER

WERT

Local storm report, Oct 16, 6:06 PM CDT, 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE  NORTH PLATTE NE
606 PM CDT FRI OCT 16 1998

TIME(CDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0603 PM    10 ESE OCONTO             NE   0.88 INCH HAIL
10/16/98   CUSTER

WERT

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 15, 11:08 PM CDT	Severe Thunderstorm Warning	LBF	Cherry, Keya Paha	62 min
Oct 16, 1:26 PM CDT	Severe Thunderstorm Warning	LBF	Hooker	64 min
Oct 16, 2:12 PM CDT	Severe Thunderstorm Warning	LBF	Hayes	48 min
Oct 16, 2:39 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	46 min
Oct 16, 3:03 PM CDT	Severe Thunderstorm Warning	LBF	Cherry	32 min
Oct 16, 3:15 PM CDT	Severe Thunderstorm Warning	LBF	Lincoln	35 min
Oct 16, 3:35 PM CDT	Severe Thunderstorm Warning	LBF	Logan	50 min
Oct 16, 4:12 PM CDT	Severe Thunderstorm Warning	LBF	Frontier	48 min
Oct 16, 5:47 PM CDT	Severe Thunderstorm Warning	LBF	Custer	63 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1998 Every severe thunderstorm warning in 1998

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; radar from the NEXRAD Level II archive.