Alert archive / Nebraska / Severe Thunderstorm Warnings in 1993

Severe Thunderstorm Warning 21, NWS Hastings, NE

June 1, 1993Harlan County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 1, 1993, 8:43 PM CDT for Harlan County, Nebraska. It was in force for 32 min.

The area

The counties it named.

The facts

Issued
Jun 1, 1993, 8:43 PM CDT (01:43 UTC)
Expired
Jun 1, 1993, 9:15 PM CDT
In force
32 min
Issued by
NWS Hastings, NE
Area
Whole counties

County Harlan County, NE

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 1.7 hours before the alert went out and 146 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 1993-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 22 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 1993-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 square meters per square second.19395878Sfc1 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
22 J/kg
Mixed-layer CIN
-356 J/kg
Mixed-layer LCL
2352 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
147 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KGRI 020146
SVRGRI
NEC083-020215-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTION AND ADDITIONS AT END
NATIONAL WEATHER SERVICE GRAND ISLAND NE
843 PM CDT TUE JUN 1 1993

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 915 PM CDT FOR PEOPLE IN THE FOLLOWING
COUNTY

   IN THE SOUTH CENTRAL PART OF NEBRASKA
      SOUTHERN HARLAN

AT 840 PM A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 40 MILES
SOUTHWEST OF KEARNEY...NEAR ORLEANS IN SOUTHWEST HARLAN COUNTY.
THE STORM IS MOVING TO THE SOUTHEAST AT 35 TO 40 MPH..AND TOWARD
ALMA AND HARLAN COUNTY RESERVOIR...BOATERS SHOULD SEEK SHORE
NOW.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER
THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
OR NO ADVANCE WARNING.  LISTEN FOR LATER STATEMENTS AND WARNINGS.

THESE STORMS CAN AND OCCASIONALLY DO PRODUCE A TORNADO WITH LITTLE
ADVANCE WARNING...SO BE ON THE LOOKOUT.  SEEK SHELTER IN A STRONG
BUILDING AND BE PREPARED TO MOVE TO A BASEMENT OR AN INTERIOR ROOM.

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

BOATERS SHOULD MOVE OFF LAKES TO NEARBY SHELTER.

THIS WARNING REPLACES THE WARNING FOR EASTERN FURNAS AND SOUTHWEST
HARLAN...WHICH EXPIRES AT 845 PM.

AT 842 PM PEA TO MARBLE SIZE HAIL WAS REPORTED JUST NORTH OF ORLEANS.

AT 844 PM PEA SIZE HAIL WAS REPORTED AT STAMFORD.

DGS

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, Jun 1, 6:44 PM CDT, 1 hour 59 minutes before
NEZ008-013>015-017>019-020045-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE GRAND ISLAND NE
640 PM CDT TUE JUN 1 1993

...A TORNADO WATCH IS IN EFFECT FOR CENTRAL NEBRASKA UNTIL MIDNIGHT...

AT 630 PM CDT...A LINE OF STRONG THUNDERSTORMS CONTINUED TO MOVE RAPIDLY
EAST ACROSS NORTHCENTRAL AND CENTRAL NEBRASKA.  THE LINE OF STORMS EXTENDED
FROM JUST EAST OF MULLEN SOUTHEAST TO ABOUT 20 MILES WEST OF BROKEN BOW
THEN SOUTH INTO WESTERN DAWSON COUNTY NEAR GOTHENBURG.

THE STRONGEST STORM ALONG THE LINE WAS LOCATED JUST NORTH OF GOTHENBURG.
BRIEF VERY HEAVY RAIN...HAIL TO THE SIZE OF MARBLES...ALONG WITH GUSTY
WINDS AND DANGEROUS LIGHTNING IS POSSIBLE AS THIS STORM SKIRTS THE
NORTHERN PART OF DAWSON COUNTY UNTIL 730 PM CDT.  TOWNS IN THE PATH OF
THIS STORM INCLUDE EDDYVILLE AND SUMMNER.

A TORNADO WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR A LARGE PART OF
CENTRAL NEBRASKA.  PEOPLE IN THE WATCH AREA SHOULD REMAIN ALERT FOR
RAPIDLY CHANGING CONDITIONS AND STAY TUNED TO NOAA WEATHER RADIO AND
LOCAL RADIO AND TELEVISION BROADCASTS FOR FURTHER STATEMENTS AND
POSSIBLE WARNINGS.

CORRECTED UGC CODE
LEW
Special weather statement, Jun 1, 7:10 PM CDT, 1 hour 33 minutes before
NEZ008-013>015-017>019-020055-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
710 PM CDT TUE JUN 1 1993

...A TORNADO WATCH IS IN EFFECT FOR CENTRAL NEBRASKA UNTIL MIDNIGHT...

AT 7 PM CDT A CLUSTER OF STRONG TNUNDERSTORMS WAS OVER CENTRAL NEBRASKA
IN THE VIICNITY OF BROKEN BOW.  RAIN AND THUNDERSTORMS WERE OVER MUCH OF
AN AREA FROM BETWEEN MULLEN AND AINSWORTH TO NEAR LEXINGTON.  MOVEMENT
WAS TO THE EAST AT 40 MPH.  THE THUNDERSTORMS HAVE BEEN WEAKENING SINCE
630 PM.

DUE TO THE FAST MOVEMENT OF THE THUNDERSTORMS...GUSTY WIND TO 45 MPH
COULD AFFECT THE AREA BETWEEN BURWELL AND KEARNEY OVER VALLEY AND
SHERMAN COUNTIES BETWEEN 7 AND 8 PM.  BRIEF HEAVY RAINS ARE ALSO
EXPECTED.

UP TO 710 PM...NO SEVERE WEATHER HAS BEEN REPORTED.
DGS
Special weather statement, Jun 1, 7:13 PM CDT, 1 hour 30 minutes before
NEZ008-013>015-017>019-020055-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
710 PM CDT TUE JUN 1 1993

...A TORNADO WATCH IS IN EFFECT FOR CENTRAL NEBRASKA UNTIL MIDNIGHT...

AT 7 PM CDT A CLUSTER OF STRONG TNUNDERSTORMS WAS OVER CENTRAL NEBRASKA
IN THE VIICNITY OF BROKEN BOW.  RAIN AND THUNDERSTORMS WERE OVER MUCH OF
AN AREA FROM BETWEEN MULLEN AND AINSWORTH TO NEAR LEXINGTON.  MOVEMENT
WAS TO THE EAST AT 40 MPH.  THE THUNDERSTORMS HAVE BEEN WEAKENING SINCE
630 PM.

DUE TO THE FAST MOVEMENT OF THE THUNDERSTORMS...GUSTY WIND TO 45 MPH
COULD AFFECT THE AREA BETWEEN BURWELL AND KEARNEY OVER VALLEY AND
SHERMAN COUNTIES BETWEEN 7 AND 8 PM.  BRIEF HEAVY RAINS ARE ALSO
EXPECTED.

UP TO 710 PM...NO SEVERE WEATHER HAS BEEN REPORTED.
DGS
Special weather statement, Jun 1, 7:35 PM CDT, 1 hour 8 minutes before
NEZ008-013>015-017>019-020130-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE GRAND ISLAND NE
735 PM CDT TUE JUN 1 1993

...TORNADO WATCH IS IN EFFECT FOR CENTRAL NEBRASKA UNTIL MIDNIGHT...

STRONG THUNDERSTORMS MOVING RAPIDLY EASTWARD INTO CENTRAL NEBRASKA...

AT 730 PM CDT...THE LEADING EDGE OF A CLUSTER OF STRONG THUNDERSTORMS
...SOME PRODUCING STRONG GUSTY WINDS...HEAVY RAIN AND HAIL...EXTENDED
FROM 20 MILES SOUTHWEST OF ONEILL TO 40 MILES NORTHWEST OF GRAND
ISLAND...NEAR LOUP CITY...THEN TO 15 MILES WEST OF KEARNEY.

AN INTENSE THUNDERSTORM WAS LOCATED ABOUT 5 MILES EAST OF BROKEN BOW
AND WILL BE MOVING EAST INTO VALLEY COUNTY...NEAR ARCADIA...BY
AROUND 8PM CDT. STRONG WINDS OF 40 TO 50 MPH AND SOME HAIL WILL LIKEL
Y ACCOMPANY THIS STORM...AS IT MOVES EAST ACROSS VALLEY COUNTY.

PERSONS IN CENTRAL NEBRASKA...AND ESPECIALLY IN VALLEY COUNTY...
SHOULD STAY TUNED TO THEIR LOCAL RADIO OR TV STATION FOR FURTHER
STATEMENTS AND POSSIBLE WARNINGS.
DGD
Local storm report, Jun 1, 8:15 PM CDT, 28 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
815 PM CDT TUE JUN 1 1993

TIME/CDT    LOCATION /EVENT
755 PM      FURNAS COUNTY...ARAPAHOE- PEA SIZE HAIL.
808 PM      FURNAS COUNTY...SOUTH OF ARAPAHOE- HAIL PEA TO GOLFBALL SIZE.
810 PM      FURNAS COUNTY...EDISON- ONE INCH DIAMETER HAIL.
DGS
Local storm report, Jun 1, 8:16 PM CDT, 27 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE GRAND ISLAND NE
815 PM CDT TUE JUN 1 1993

TIME/CDT    LOCATION /EVENT
755 PM      FURNAS COUNTY...ARAPAHOE- PEA SIZE HAIL.
808 PM      FURNAS COUNTY...SOUTH OF ARAPAHOE- HAIL PEA TO GOLFBALL SIZE.
810 PM      FURNAS COUNTY...EDISON- ONE INCH DIAMETER HAIL.
DGS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 1, 8:07 PM CDTSevere Thunderstorm WarningGIDFurnas, Harlan38 min
Jun 1, 8:54 PM CDTSevere Thunderstorm WarningGIDAdams, Hall51 min
Jun 1, 8:54 PM CDTSevere Thunderstorm WarningGIDBuffalo36 min
Jun 1, 9:03 PM CDTSevere Thunderstorm WarningGIDYork27 min
Jun 1, 9:46 PM CDTSevere Thunderstorm WarningGIDAdams, Hall29 min
Jun 1, 9:51 PM CDTSevere Thunderstorm WarningGIDBuffalo54 min
Jun 1, 10:14 PM CDTSevere Thunderstorm WarningGIDAdams, Clay31 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 1993Every severe thunderstorm warning 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.