Alert archive / Nebraska / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 30, NWS Hastings, NE

April 29, 2003Thayer County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Apr 29, 2003, 11:58 PM CDT for Thayer County, Nebraska. It was in force for 62 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
Apr 29, 2003, 11:58 PM CDT (04:58 UTC)
Expired
Apr 30, 2003, 1:00 AM CDT
In force
62 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), 70 km from the middle of the area, began a volume at 05:02 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.

IssuedProductOfficeLasted
Apr 29, 7:30 PM CDTSevere Thunderstorm WatchSPC7 hr
Apr 29, 8:45 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 5.0 hours before the alert went out and 163 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 00:00Z on 2003-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 00:00Z on 2003-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 245 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
905 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
245 m²/s²
0-3 km storm-relative helicity
339 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

179 
WUUS53 KGID 300458
SVRGID
NEC169-300600-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
1156 PM CDT TUE APR 29 2003

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

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

* UNTIL 100 AM CDT

* AT 1154 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER BELVIDERE...OR ABOUT 45 MILES NORTH OF
  CONCORDIA...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  GILEAD AT 1205 AM CDT
  ALEXANDRIA AT 1215 AM CDT

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

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

LAT...LON 4033 9781 4001 9780 4001 9737 4034 9737
$$
FAY
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 Apr 29, 1:30 PM CDT, 10 hours 28 minutes earlier.

Area forecast discussion, Apr 29, 1:30 PM CDT, 10 hours 28 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
130 PM CDT TUE APR 29 2003

...POT SVR WX IS THE CONCERN OF THE DAY...

AREA OF CONCERN IS SFC FRONT STALLED ACRS NCNTRL KS THIS AFTN WITH
ST N OF THE BNDRY AND MID TO UPR 70S TEMPS OVER LOW 60S DPS TO THE
SOUTH.  LAPS HELICITIES IN EXCESS OF 300 M2/S2 WERE NOSING INTO
THIS JEWELL AND MITCHELL CNTIES AS OF 17Z.  VWP PLOTS AND PROFILERS
IND IND ERLY FLOW N OF THE FRONT IS SHALLOW WITH SOME ELEVATED TSRA
FORMING IMMEDIATELY N OF THE SFC FRONT.

SHOULD ALSO SEE SOME HIGH PLNS DVLPMNT AS THE AFTN/EVE PROGRESSES
WITH MSTR CNVRGNC IN UPSLOPE FLOW IN ADVN OF NXT SHRT MOVG OUT OF
THE FOUR CORNERS REGION.  TSRA CONSOLIDATION INTO ANOTHER MCS IND
FOR THE OVRNGT HR...WITH EWD MOVEMENT ALNG/JUST N OF 850 WARM/STNRY
FRNT WHICH IS EXPECTED TO BE STATIONED A BIT N OF THE +RA AREA FM
LAST NGTS SYS.

BOTTOM LINE IS THAT WE WL BE WATCHING THE SFC BNDRY THIS AFTN/EVE
FOR THE DREADED TOR WITH +TSRAGR AGAIN EXPECTED FOR THE OVRNGT HRS.

MINOR ADJUSTMENTS ONLY TO THE REST OF THE PACKAGE.

.GID...NONE.

09
Hazardous weather outlook, Apr 29, 8:10 PM CDT, 3 hours 48 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-301200-

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE HASTINGS NE
810 PM CDT TUE APR 29 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL NEBRASKA AND
PARTS OF NORTH CENTRAL KANSAS.

.DAY ONE...REST OF THE EVENING AND TONIGHT

SCATTERED THUNDERSTORMS WILL BECOME MORE NUMEROUS TONIGHT AS THEY
DEVELOP ALONG A FRONTAL BOUNDARY ACROSS CENTRAL NEBRASKA...AND ALSO
ALONG A SECOND FRONTAL BOUNDARY NEAR THE NEBRASKA AND KANSAS BORDER.
THE STORMS ARE CAPABLE OF PRODUCING LARGE HAIL THE SIZE OF QUARTERS
INTO THE OVERNIGHT HOURS. THUNDERSTORMS ALONG AND SOUTH OF THE
NEBRASKA AND KANSAS BORDER MAY PRODUCE SOME TORNADOS.

VERY HEAVY RAIN IS ALSO EXPECTED FROM THE STORMS TONIGHT...AND
LOCALIZED FLOODING MAY OCCUR.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

ON WEDNESDAY...DEEP SURFACE LOW PRESSURE OVER CENTRAL KANSAS COMBINED
WITH STRONG UPPER LEVEL ENERGY MOVING EAST OF THE CENTRAL ROCKIES...
WILL BRING ANOTHER CHANCE FOR SEVERE WEATHER ALONG A SURFACE
BOUNDARY OVER NORTH CENTRAL KANSAS AND SOUTHEASTERN NEBRASKA.
THE ENVIRONMENT WILL BE VERY FAVORABLE FOR STRONG THUNDERSTORMS
CAPABLE OF PRODUCING VERY LARGE HAIL...DAMAGING WINDS AND A FEW
TORNADOES...MAINLY FOR AREAS EAST OF HIGHWAY 281.

THE CHANCE FOR THUNDERSTORMS EXISTS THROUGH WEDNESDAY NIGHT...THEN
THUNDERSTORM CHANCES RETURN AGAIN THIS WEEKEND.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTER ACTIVATION WILL BE NEEDED THE REST OF THE EVENING AND
TONIGHT.

FAY

In the hours before

Local storm report, Apr 29, 10:12 PM CDT, 1 hour 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WFO HASTINGS NE
1012 PM CDT TUE APR 29 2003

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

0955 PM    GUIDE ROCK                NE    1 INCH HAIL
04/29/03   WEBSTER

1007 PM    6 W SUPERIOR              NE    .75 INCH HAIL
04/29/03   NUCKOLLS
Local storm report, Apr 29, 10:13 PM CDT, 1 hour 45 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WFO HASTINGS NE
1013 PM CDT TUE APR 29 2003

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

0450 AM    AXTELL                    NE    1 INCH HAIL
04/29/03   KEARNEY                         HAIL UP TO ONE INCH.
Local storm report, Apr 29, 10:16 PM CDT, 1 hour 42 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WFO HASTINGS NE
1016 PM CDT TUE APR 29 2003

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

1000 PM    5 NE GUIDE ROCK           NE    1 INCH HAIL
04/29/03   NUCKOLLS
Local storm report, Apr 29, 10:31 PM CDT, 1 hour 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WFO HASTINGS NE
1031 PM CDT TUE APR 29 2003

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

1025 PM    1 N SUPERIOR              NE    1 INCH HAIL
04/29/03   NUCKOLLS

1025 PM    2 NW SUPERIOR             NE    1.25 INCH HAIL
04/29/03   NUCKOLLS

1027 PM    1 NW SUPERIOR             NE    1.5 INCH HAIL
04/29/03   NUCKOLLS

1027 PM    SUPERIOR                  NE    1 INCH HAIL
04/29/03   NUCKOLLS
Local storm report, Apr 29, 11:23 PM CDT, 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WFO HASTINGS NE
1123 PM CDT TUE APR 29 2003

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

1121 PM    DESHLER                   NE    .75 INCH HAIL
04/29/03   THAYER
Local storm report, Apr 29, 11:31 PM CDT, 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE WFO HASTINGS NE
1131 PM CDT TUE APR 29 2003

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

1128 PM    DESHLER                   NE    1.75 INCH HAIL
04/29/03   THAYER

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 7:13 PM CDTSevere Thunderstorm WarningGIDNance47 min
Apr 29, 7:57 PM CDTSevere Thunderstorm WarningGIDNance48 min
Apr 29, 8:11 PM CDTSevere Thunderstorm WarningGIDFranklin, Webster64 min
Apr 29, 8:39 PM CDTTornado WarningGIDFranklin, Webster66 min
Apr 29, 9:41 PM CDTSevere Thunderstorm WarningGIDGreeley49 min
Apr 29, 9:43 PM CDTSevere Thunderstorm WarningGIDNuckolls, Webster47 min
Apr 29, 10:26 PM CDTSevere Thunderstorm WarningGIDNuckolls, Webster64 min
Apr 29, 10:35 PM CDTSevere Thunderstorm WarningGIDDawson40 min
Apr 29, 10:54 PM CDTSevere Thunderstorm WarningGIDThayer66 min
Apr 29, 11:42 PM CDTSevere Thunderstorm WarningGIDBuffalo48 min
Apr 30, 12:25 AM CDTSevere Thunderstorm WarningGIDHall, Howard, Sherman65 min
Apr 30, 12:52 AM CDTSevere Thunderstorm WarningGIDDawson53 min
Apr 30, 1:28 AM CDTSevere Thunderstorm WarningGIDMerrick62 min
Apr 30, 1:30 AM CDTSevere Thunderstorm WarningGIDHoward60 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2003Every severe thunderstorm warning in 2003

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.