Alert archive / Nebraska / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 159, NWS Omaha, NE

June 11, 1998Burt County, Thurston County, Nebraska

NWS Omaha, NE issued this severe thunderstorm warning at Jun 11, 1998, 8:21 PM CDT for Burt County, Thurston County, Nebraska. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 11, 1998, 8:21 PM CDT (01:21 UTC)
Expired: Jun 11, 1998, 9:10 PM CDT
In force: 49 min
Issued by: NWS Omaha, NE
Area: Whole counties

Counties Burt County, NE, Thurston County, NE

The radar

The Omaha radar (KOAX), 76 km from the middle of the area, began a volume at 01:29 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.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 1.4 hours before the alert went out and 76 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: 477 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1339 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 23 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Omaha, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 2:50 PM CDT, 5 hours 31 minutes earlier.

Area forecast discussion, Jun 11, 2:50 PM CDT, 5 hours 31 minutes before

CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST
DISCUSSION...CORRECTED CCF NATIONAL WEATHER SERVICE HASTINGS NE
250 PM CDT THU JUN 11 1998

...THUNDERSTORM CHCS WILL BE MAIN CONCERN THIS PACKAGE...

12Z UAA HAD RATHER STRONG SYS FOR THIS TIME OF YEAR LIFTING NE THRU
THE PLAINS. MAIN TROF EXTENDING SOUTH FROM UPPER LO HAS CLEARED AREA
TO THE EAST AND PUSHED A BULK OF THE LL MOISTURE OUT OF AREA. STRONG
SPOKE OF ENERGY ROTATING SE THRU SD AND NW NEB. THIS IS ESP EVIDENT
ON SAT PIX THIS AFTN WITH PRETTY GOOD AREA OF TSRAS. MOST OF THIS
ENERGY SHOULD STAY NORTH OF AREA...BUT WILL KEEP SOME LOW POPS IN
FCST THIS EVENING. LOWS SHOULD BE ABLE TO GET DOWN TO GUIDANCE VALUES
AS DRY AIR GRADUALLY WORKS EAST BEHIND TROF...BUT WILL PAD READINGS
BY A DEGREE OR TWO GIVEN AMT OF WATER STANDING AROUND IN AREAS FROM
RECENT RAINS.

TOMR SHOULD BE QUITE NICE WITH P SUNNY SKIES AND MILD TEMPS.

TOMR NIGHT WILL ADD 30% POPS WITH WAA PATTERN/RETURN FLOW SETTING UP.
ISENTROPIC LIFT APPEARS PRETTY DECENT. ONLY CONCERN IS RATHER HIGH
PRES DEFICITS...BUT THAT DIDN/T MATTER ABIT WED AM.

WILL BRING AFTN STORMS BACK IN FCST SAT...BUT FEEL MAIN ACITIVITY
WILL BE THAT EVENING. TEMPS WARMER SAT IN ADVAFNCE OF SYS AND WILL
TAKE THE 80 TO 85S ON FRI AND ADD 5 OR SO DEGREES.

GRI BT 058/082/059/087/062 203

DEG

In the hours before

Special weather statement, Jun 11, 4:54 PM CDT, 3 hours 27 minutes before

NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093-
IAZ043-055-056-069-079-080-090-091-121200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
455 PM CST THU JUN 11 1998

...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA...

SPOTTER ACTION...
STORM SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON OR EVENING
ACROSS EASTERN NEBRASKA AND SOUTHWEST IOWA.

DISCUSSION...
A COLD FRONT IS WILL MOVE FROM JUST NORTHWEST OF O NEILL TO THE THROUGH
EASTERN NEBRASKA AND SOUTHWEST IOWA OVERNIGHT.  THUNDERSTORMS ARE
POSSIBLE ANY PLACE IN EASTERN NEBRASKA AND SOUTHWEST IOWA BUT ARE MOST
LIKELY TO OCCUR NEAR THIS FRONT.  WHILE THERE IS SOME POSSIBILITY OF
SEVERE WEATHER FROM THESE THUNDERSTORMS...THE MOST LIKELY AREA FOR
PRODUCING SEVERE WEATHER IS OVER NORTHEAST NEBRASKA FROM NORFOLK AND
TEKAMAH NORTHWARD THROUGH MID EVENING.

LOCALLY HEAVY RAINS ARE ALSO POSSIBLE FROM THUNDERSTORMS ANYWHERE.

POnWERS

Special weather statement, Jun 11, 5:55 PM CDT, 2 hours 26 minutes before

NEZ011-012-015>018-030>034-042>045-050>053-065>068-078-088>093-
IAZ043-055-056-069-079-080-090-091-121200-

SEVERE WEATHER OUTLOOK
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
455 PM CST THU JUN 11 1998

...SEVERE WEATHER OUTLOOK FOR EASTERN NEBRASKA AND SOUTHWEST IOWA...

SPOTTER ACTION...
STORM SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON OR EVENING
ACROSS EASTERN NEBRASKA AND SOUTHWEST IOWA.

DISCUSSION...
A COLD FRONT IS WILL MOVE FROM JUST NORTHWEST OF O NEILL TO THE THROUGH
EASTERN NEBRASKA AND SOUTHWEST IOWA OVERNIGHT.  THUNDERSTORMS ARE
POSSIBLE ANY PLACE IN EASTERN NEBRASKA AND SOUTHWEST IOWA BUT ARE MOST
LIKELY TO OCCUR NEAR THIS FRONT.  WHILE THERE IS SOME POSSIBILITY OF
SEVERE WEATHER FROM THESE THUNDERSTORMS...THE MOST LIKELY AREA FOR
PRODUCING SEVERE WEATHER IS OVER NORTHEAST NEBRASKA FROM NORFOLK AND
TEKAMAH NORTHWARD THROUGH MID EVENING.

LOCALLY HEAVY RAINS ARE ALSO POSSIBLE FROM THUNDERSTORMS ANYWHERE.

POWERS

Local storm report, Jun 11, 7:33 PM CDT, 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
733 PM CDT THU JUN 11 1998

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

0625 PM    2 N RANDOLPH              NE   .88 INCH HAIL
06/11/98   CEDAR

0630 PM    RANDOLPH                  NE   .75 INCH HAIL
06/11/98   CEDAR

0630 PM    10 NE PIERCE              NE   .88 INCH HAIL
06/11/98   PIERCE

0650 PM    12 WNW WAYNE              NE   .75 INCH HAIL
06/11/98   WAYNE                          PARTIALLY COVERED GROUND

Local storm report, Jun 11, 7:33 PM CDT, 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE OMAHA/VALLEY NE
733 PM CDT THU JUN 11 1998

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

0625 PM    2 N RANDOLPH              NE   .88 INCH HAIL
06/11/98   CEDAR

0630 PM    RANDOLPH                  NE   .75 INCH HAIL
06/11/98   CEDAR

0630 PM    10 NE PIERCE              NE   .88 INCH HAIL
06/11/98   PIERCE

0650 PM    12 WNW WAYNE              NE   .75 INCH HAIL
06/11/98   WAYNE                          PARTIALLY COVERED GROUND

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 11, 9:36 PM CDT	Tornado Warning	OAX	Cass, Lancaster	34 min
Jun 11, 10:05 PM CDT	Tornado Warning	OAX	Cass	35 min
Jun 11, 8:39 PM CDT	Severe Thunderstorm Warning	OAX	Monona	31 min
Jun 11, 10:39 PM CDT	Tornado Warning	OAX	Fremont	36 min
Jun 11, 11:15 PM CDT	Tornado Warning	OAX	Page	35 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.