Alert archive / Nebraska / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 134, NWS Hastings, NE

June 12, 2002Thayer County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Jun 12, 2002, 3:31 PM CDT for Thayer County, Nebraska. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 12, 2002, 3:31 PM CDT (20:31 UTC)
Expired: Jun 12, 2002, 4:30 PM CDT
In force: 59 min
Issued by: NWS Hastings, NE
Area: Counties, with a storm outline in the text

County Thayer County, NE

The radar

The Grand Island radar (KUEX), 69 km from the middle of the area, began a volume at 20:33 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jun 12, 12:30 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 12:00Z, 8.5 hours before the alert went out and 164 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: 2034 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 700 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: -47 m²/s²
0-3 km storm-relative helicity: 61 m²/s²
Significant tornado parameter: -0.5
Supercell composite: -2.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KGID 122031
SVRGRI
NEC169-122130-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
331 PM CDT WED JUN 12 2002

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  THAYER COUNTY IN SOUTH CENTRAL NEBRASKA

* UNTIL 430 PM CDT

* AT 318 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 5 MILES SOUTHWEST OF DAVENPORT...OR ABOUT 34
  MILES SOUTHEAST OF HASTINGS...MOVING EAST AT 25 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  CARLETON AT 340 PM CDT
  BELVIDERE AT 400 PM CDT
  GILEAD AT 420 PM CDT

PEOPLE IN THAYER COUNTY SHOULD SEEK SHELTER IN A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS.

THIS IS A DANGEROUS STORM. REMEMBER...SEVERE THUNDERSTORMS CAN AND
OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCED WARNING.

THE PRIMARY SEVERE WEATHER THREAT IS LARGE HAIL THE SIZE OF DIMES.

LAT...LON 4033 9782 4001 9780 4000 9738 4033 9738

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 12, 3:28 AM CDT, 12 hours 3 minutes earlier.

Area forecast discussion, Jun 12, 3:28 AM CDT, 12 hours 3 minutes before

SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
328 AM CDT WED JUN 12 2002

...FORECAST CONCERN THIS CYCLE IS CHANCE FOR PRECIPITATION LATE THIS
AFTERNOON/TONIGHT...

SURFACE BOUNDARY BISECTING KANSAS NE TO SW AS OF 07Z. SECONDARY
FRONT SET TO DROP SOUTH INTO THE CWA LATER THIS AFTERNOON WITH
COOLER/DRIER AIR BEHIND IT. WATER VAPOR IMAGERY SHOWED NORTH OF
THE BORDER UPPER LOW TAKING ITS TIME MOVING EAST ALTHOUGH SOME
SIGN OF THAT IN LAST FEW HOURS. SUBTROPICAL PLUME ACROSS TX AND OK
AND WONT BE A FACTOR FOR US. 70KT JET STREAK COULD BE SEEN
STARTING OUT IN SOUTHERN NEVADA ABOUT 19Z TUES AND MAKING IT TO
DENVER BY 06 OR 07Z. THIS HELPED TO SET OFF CONVECTION IN NW KS
OVERNIGHT. BRUNT OF THAT ACTIVITY SOUTH OF OUR CWA. WILL MAKE LAST
MINUTE DECISION ABOUT WHETHER TO INCLUDE ANY MORNING POPS. TOUGH TO
TELL IF CENTRAL KS MCS IS GETTING ANY LOW LEVEL JET SUPPORT AS GDA...
HVL...AND HBR PROFILERS ALL BELLY UP ATTM. PROFILERS DO HAVE LL JET
SUPPORT FOR MISSOURI MCS.

LATER TODAY...ALONG WITH SFC BOUNDARY NOTED ABOVE...800-700 MB WAVE
POISED TO MOVE THROUGH AROUND 00-03Z AS NOTED ON META AND AVN. TEMPS
SHOULD BE IN THE LOW TO UPPER 80S ACROSS CWA ALONG WITH RESPECTABLE
MOISTURE AT SFC UP TO 850 MB...WHERE DEW POINTS WILL BE IN THE
MIDDLE TEENS CELSIUS.  SOME COOLING WITH MID LEVEL THERMAL TROF. ALL
THIS RESULTS IN CAPES FROM 1500-2500 BY LATE AFTERNOON. THUS WILL
ADD A MENTION OF TSTMS FOR LATE AFTERNOON AS LAST THURSDAY I
UNDERESTIMATED THE EFFECT OF THE 700 MB SHORTWAVE AND WE ENDED UP
WITH SEVERE TSTMS. HEAVY RAIN SHOULD STAY WELL SOUTH OF AREA ALONG
FRONTAL BOUNDARY WHICH WILL BE OVER SOUTHERN KS.

AFTER THIS SYSTEM WE SHOULD BE IN FOR A FEW DAYS OF DRIER/COOLER
CONDITIONS AS WE STAY ON BACK SIDE OF SLOW MOVING UPPER LOW WHICH
IS PROGGED TO BE IN SOUTHERN WISCONSIN BY FRIDAY MORNING.

.GID...NONE.

EWALD

In the hours before

Special weather statement, Jun 12, 12:12 PM CDT, 3 hours 19 minutes before

KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-122300-

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE HASTINGS NE
1212 PM CDT WED JUN 12 2002

...SPOTTER ACTIVATION MAY BE NEEDED ACROSS PARTS OF SOUTH
CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS THIS AFTERNOON AND
EVENING...

A COLD FRONT FROM IOWA THROUGH THE TRI CITIES OF SOUTH
CENTRAL NEBRASKA TO NORTHWEST KANSAS IS FORECAST TO SLIDE SOUTHEAST
AT A FAIRLY SLOW RATE THIS AFTERNOON.

LIFT PROVIDED BY THE FRONT AND A MID LEVEL TROUGH WILL MEET
ABUNDANT LOW LEVEL MOISTURE...OVER SOUTHEAST AND SOUTH CENTRAL
NEBRASKA.

SCATTERED THUNDERSTORMS WILL DOT A GOOD SHARE OF SOUTH CENTRAL
NEBRASKA THIS AFTERNOON. SOME NEBRASKA STORMS MAY DROP LARGE
HAIL...BUT THE GREATER THREAT FOR SEVERE STORMS SHOULD BE SOUTHEAST
OF A LINE FROM SUPERIOR TO PHILLIPSBURG...KANSAS AFTER 2 THIS
AFTERNOON.

THE PRIMARY SEVERE WEATHER THREAT APPEARS TO BE LARGE HAIL AND
POSSIBLY DAMAGING WINDS.

SCHURR

Local storm report, Jun 12, 1:04 PM CDT, 2 hours 27 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
104 PM CDT WED JUN 12 2002

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

1225 PM    8 NNE AXTELL              NE   1 INCH HAIL
06/12/02   KEARNEY                        REPORTED BY STORM
                                          SPOTTER.

Local storm report, Jun 12, 1:58 PM CDT, 1 hour 33 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
158 PM CDT WED JUN 12 2002

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

0125 PM    3 SW GLADE                KS   TORNADO
06/12/02   PHILLIPS                       REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, Jun 12, 2:05 PM CDT, 1 hour 26 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
205 PM CDT WED JUN 12 2002

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

0121 PM    9 NW STOCKTON             KS   TORNADO
06/12/02   ROOKS                          REPORTED BY LAW
                                          ENFORCEMENT OFFICIAL.

Local storm report, Jun 12, 2:12 PM CDT, 1 hour 19 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
212 PM CDT WED JUN 12 2002

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

1245 PM    4 W NEWARK                NE   1 INCH HAIL
06/12/02   KEARNEY                        REPORTED BY STORM
                                          SPOTTER.

Local storm report, Jun 12, 3:15 PM CDT, 16 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
315 PM CDT WED JUN 12 2002

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

0310 PM    8 NE NELSON               NE   .75 INCH HAIL
06/12/02   NUCKOLLS                       REPORTED BY PUBLIC.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 12, 12:31 PM CDT	Severe Thunderstorm Warning	GID	Kearney	59 min
Jun 12, 2:57 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls	48 min
Jun 12, 3:11 PM CDT	Severe Thunderstorm Warning	GID	Webster	64 min
Jun 12, 4:34 PM CDT	Severe Thunderstorm Warning	GID	Nance	56 min
Jun 12, 4:54 PM CDT	Severe Thunderstorm Warning	GID	Merrick	66 min
Jun 12, 5:10 PM CDT	Severe Thunderstorm Warning	GID	Polk	65 min
Jun 12, 5:26 PM CDT	Tornado Warning	GID	Polk	49 min
Jun 12, 5:46 PM CDT	Severe Thunderstorm Warning	GID	York	59 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2002 Every severe thunderstorm warning in 2002

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.