Alert archive / Nebraska / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 34, NWS Hastings, NE

April 30, 2003Howard County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Apr 30, 2003, 1:30 AM CDT for Howard County, Nebraska. It was in force for 60 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 30, 2003, 1:30 AM CDT (06:30 UTC)
Expired: Apr 30, 2003, 2:30 AM CDT
In force: 60 min
Issued by: NWS Hastings, NE
Area: Counties, with a storm outline in the text

County Howard County, NE

The radar

The Grand Island radar (KUEX), 104 km from the middle of the area, began a volume at 06:31 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
Apr 29, 7:30 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 6.5 hours before the alert went out and 172 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: 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.

694 
WUUS53 KGID 300630
SVRGID
NEC093-300730-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
129 AM CDT WED APR 30 2003

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HOWARD COUNTY IN CENTRAL NEBRASKA

* UNTIL 230 AM CDT

* AT 126 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM 3 MILES WEST OF ST. LIBORY...OR ABOUT 11 MILES
  NORTH OF GRAND ISLAND...MOVING EAST AT 35 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE STORM INCLUDE...  
  SAINT LIBORY
  RURAL SOUTHEASTERN HOWARD COUNTY 

PEOPLE IN EASTERN HOWARD 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.

THIS EXTENDS THE WARNING PREVIOUSLY ISSUED FOR HOWARD COUNTY. 

LAT...LON 4139 9838 4138 9828 4107 9829 4105 9862
          4125 9861
$$
NNNN
MORITZ

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 30, 12:55 AM CDT, 35 minutes earlier.

Area forecast discussion, Apr 30, 12:55 AM CDT, 35 minutes before

SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
1255 AM CDT WED APR 30 2003

...MAIN CONCERN IS THUNDERSTORM POTENTIAL AGAIN FOR TONIGHT...

LINE OF CONVECTION WAS FLAIRING UP ALONG A STALLED OUT FRONTAL
BOUNDARY FROM CENTRAL IA WESTWARD INTO CENTRAL & SW NEB. THE BOUNDARY
WAS AN EXTENSION FROM SFC LOW PRESSURE SITUATED OVER SW KS. MOISTURE
CONTINUES TO SURGE NORTHWARD ACROSS THE SOUTHERN AND CENTRAL
PLAINS WITH DEW POINTS IN THE 50S AND 60S. EXPECT MCS TO PERSIST
THRU MOST OF THE EARLY MORNING. MEANWHILE...LATEST UAA AND SATL PIX
CONTINUE TO SHOW AN UPPER LEVEL LOW OVER THE PACIFIC NW AS THE MAIN
FEATURE OF CONCERN. A FEW IMPULSES SEEN ON 500MB MAP RIDING THRU
THE FLOW INTO THE ROCKIES. IN THE LOWER LEVELS...GULF MOISTURE SEEMS
READILY AVAILABLE. 850MB PROFILERS THIS HOUR SHOWING SPEEDS OVER
50KTS IN KS...AIDING WITH MCS DEVELOPMENT.

ATTENTION AGAIN TURNS TO THE OVERNIGHT HOURS TONIGHT AS THE
POTENTIAL FOR THUNDERSTORMS RETURN. IT APPEARS THE MODELS HAVE
SHIFTED THE FOCUS FOR SVR WX SOUTHEAST OF THE CWA...SOMEWHERE OVER
ERN KS/WRN MO. ALL SHORT TERM MODELS SHOW A STALLED FRONTAL
BOUNDARY EXTENDING FROM ERN KS INTO NRN MO BY 01/06Z. THUS EXPECT
SOME MODIFICATIONS TO THE NEXT SPC SWODY1. STILL...WILL CARRY LIKELY
POPS BUT BACK OFF SOMEWHAT ON SVR MENTION IN HWO.

NEAR TERM TEMPS GOING TO BE TRICKY WITH THIS MEANDERING BOUNDARY. MOS
NO USE SO WILL USE BEST GUESS FOR NEXT FEW DAYS.

PATTERN REMAINS ACTIVE THRU MOST OF THE WEEK WITH LONG TERM
MODELS PUSHING THRU ADDITIONAL WEST COAST SYSTEMS RESULTING IN PCPN
CHANCES CONTINUING SATURDAY NITE THRU MONDAY.

NO SIGNIFICANT CHANGES MADE IN THE EXTENDED.

.GID...NONE.

DEE

Hazardous weather outlook, Apr 29, 8:10 PM CDT, 5 hours 20 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, 3 hours 18 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, 3 hours 17 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, 3 hours 14 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, 2 hours 59 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, 2 hours 7 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, 1 hour 59 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.

Issued	Product	Office	Counties	Lasted
Apr 29, 7:13 PM CDT	Severe Thunderstorm Warning	GID	Nance	47 min
Apr 29, 7:57 PM CDT	Severe Thunderstorm Warning	GID	Nance	48 min
Apr 29, 8:11 PM CDT	Severe Thunderstorm Warning	GID	Franklin, Webster	64 min
Apr 29, 8:39 PM CDT	Tornado Warning	GID	Franklin, Webster	66 min
Apr 29, 9:41 PM CDT	Severe Thunderstorm Warning	GID	Greeley	49 min
Apr 29, 9:43 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Webster	47 min
Apr 29, 10:26 PM CDT	Severe Thunderstorm Warning	GID	Nuckolls, Webster	64 min
Apr 29, 10:35 PM CDT	Severe Thunderstorm Warning	GID	Dawson	40 min
Apr 29, 10:54 PM CDT	Severe Thunderstorm Warning	GID	Thayer	66 min
Apr 29, 11:42 PM CDT	Severe Thunderstorm Warning	GID	Buffalo	48 min
Apr 29, 11:58 PM CDT	Severe Thunderstorm Warning	GID	Thayer	62 min
Apr 30, 12:25 AM CDT	Severe Thunderstorm Warning	GID	Hall, Howard, Sherman	65 min
Apr 30, 12:52 AM CDT	Severe Thunderstorm Warning	GID	Dawson	53 min
Apr 30, 1:28 AM CDT	Severe Thunderstorm Warning	GID	Merrick	62 min

Nearby

Severe Thunderstorm Warnings in Nebraska, 2003 Every 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.