Alert archive / Nebraska / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 65, NWS Hastings, NE

June 25, 2000Merrick County, Polk County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 25, 2000, 2:59 PM CDT for Merrick County, Polk County, Nebraska. It was in force for 46 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 25, 2000, 2:59 PM CDT (19:59 UTC)
Expired
Jun 25, 2000, 3:45 PM CDT
In force
46 min
Issued by
NWS Hastings, NE
Area
Whole counties

Counties Merrick County, NE, Polk County, NE

The radar

The Grand Island radar (KUEX), 110 km from the middle of the area, began a volume at 20:01 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 25, 1:30 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 8.0 hours before the alert went out and 121 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, Omaha, NE at 12:00Z on 2000-06-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 371 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, Omaha, NE at 12:00Z on 2000-06-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.193958Sfc1 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
371 J/kg
Mixed-layer CIN
-296 J/kg
Mixed-layer LCL
1430 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
47 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 
WUUS53 KGID 252000
SVRGRI
NEC121-143-252045-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
259 PM CDT SUN JUN 25 2000

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN POLK COUNTY IN EAST CENTRAL NEBRASKA
  EXTREME NORTHEASTERN MERRICK COUNTY IN CENTRAL NEBRASKA

* UNTIL 345 PM CDT

* AT 256 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER SILVER CREEK...OR ABOUT 17 MILES SOUTHWEST
  OF COLUMBUS...MOVING EAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SHELBY AT 340 PM CDT

PEOPLE IN NORTHERN POLK AND EXTREME NORTHEASTERN MERRICK COUNTIES
SHOULD SEEK SHELTER IN A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN AND
OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO WARNING.

$$

KISNER

LAT...LON 4142w 9773 4126 9770 4115 9738 4140 9733

NNNN

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 Hastings, NE wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 25, 1:15 PM CDT, 1 hour 44 minutes earlier.

Area forecast discussion, Jun 25, 1:15 PM CDT, 1 hour 44 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
115 PM CDT SUN JUN 25 2000

CDFNT MOVING INTO CNTRL NEB THIS AFTN WITH VERY UNSTABLE ATMOSPHERE
IN ADVN...LAPS SHOWING 4 TO 5K J/KG WITH DPS IN THE LOW 70S AND
SUNSHINE HEATING THE SFC NICELY.  700 MB PROFILERS IND TROF OVR WRN
KS/SWRN NEB.  CWA WL BE UNDR TORNADO WATCH THIS EVE.

MDL SOUNDINGS IND PRECIPITAL WATER OVR KS CWA NEAR 2 INCHES...SO +RA
MENTION WL BE MAINTAINED ALNG WIDTH MENTION OF SVR.  CDFNT PROGGED
INTO NRN KS BY ARND MIDNGT...WL KP RA CHC OVRNGT FOR NOW OVR KS
COUNTIES GIVEN QUICK MDL MOVEMENT OF LATE.

MONDAY LKS TO BE A NICE FALL DAY AS HUDSON BAY LOW ALLOWS COOL AIR TO
FILTER OVR THE CNTRL PLNS IN WAKE OF CDFNT.  PREVIOUS SUBSEASONAL
TEMP PROG IS FINE.

TUE...MDLS IN AGREEMENT IN RTN OF MSTR OVR THE HIGH PLNS AND IN
SPREADING QPF OVR WRN NEB WITH A PASSING SHRTWV.  WL PERSIST WITH
PREVIOUS PROG IN SLOWING THE PROCESS DOWN AS MORE FAVORABLE MSTR
CNVRGNC/ERN CO SFC LOW IS PROGGED FOR LATER IN THE DAY.  WL ADD A
TUE NGT RA CHC IN THE EFP WITH WARM FRONT EXPECTED IN VICINITY...UNDR
MID LVL TROF.  DRY THE REST OF THE EFP WITH TMP RECOVERY TO SEASONAL
LVLS UNDR RISING HTS.

.GID...NONE.

09

In the hours before

Special weather statement, Jun 25, 11:40 AM CDT, 3 hours 19 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-252100-

SEVERE WEATHER OUTLOOK - SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS
NATIONAL WEATHER SERVICE HASTINGS NE
1140 AM CDT SUN JUN 25 2000

...SPOTTER ACTIVATION IS LIKELY THIS AFTERNOON AND INTO TONIGHT...

A COLD FRONT IN NORTHERN AND WESTERN NEBRASKA WILL CONTINUE TO PUSH
SOUTHEAST TODAY.  AHEAD OF THE FRONT...VERY WARM...MOIST AND
UNSTABLE AIR IS ALREADY IN PLACE.  THE FRONT WILL BE THE FOCUS
POINT FOR THUNDERSTORM DEVELOPMENT THIS AFTERNOON.  THE FRONT IS
EXPECTED IN THE ORD AND LEXINGTON AREAS AROUND 3 PM AND REACH INTO
NORTHERN KANSAS AFTER 9 PM.

THE PRIMARY THREAT WILL BE FROM LARGE HAIL AND STRONG WINDS...BUT
GIVEN THE CURRENT ATMOSPHERIC CONDITIONS...ISOLATED TORNADOES CAN
NOT BE RULED OUT.  EMERGENCY MANAGERS AND SPOTTER GROUPS SHOULD
REMAIN ALERT THIS AFTERNOON AND KEEP UP TO DATE ON THIS DEVELOPING
SITUATION.

KISNER

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 1:17 PM CDTSevere Thunderstorm WarningGIDMerrick, Nance43 min
Jun 25, 1:26 PM CDTTornado WarningGIDMerrick, Nance34 min
Jun 25, 1:56 PM CDTTornado WarningGIDMerrick34 min
Jun 25, 2:49 PM CDTSevere Thunderstorm WarningGIDHamilton, York41 min
Jun 25, 3:14 PM CDTSevere Thunderstorm WarningGIDClay46 min
Jun 25, 3:25 PM CDTSevere Thunderstorm WarningGIDYork50 min
Jun 25, 3:36 PM CDTSevere Thunderstorm WarningGIDWebster39 min
Jun 25, 3:50 PM CDTSevere Thunderstorm WarningGIDFillmore40 min
Jun 25, 4:00 PM CDTSevere Thunderstorm WarningGIDClay45 min
Jun 25, 4:03 PM CDTSevere Thunderstorm WarningGIDFurnas, Harlan42 min
Jun 25, 4:17 PM CDTSevere Thunderstorm WarningGIDWebster43 min
Jun 25, 4:25 PM CDTSevere Thunderstorm WarningGIDHarlan50 min
Jun 25, 4:42 PM CDTSevere Thunderstorm WarningGIDFranklin48 min
Jun 25, 5:22 PM CDTSevere Thunderstorm WarningGIDFillmore, York38 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2000Every severe thunderstorm warning in 2000

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.