Alert archive / Nebraska / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 256, NWS Hastings, NE

September 9, 2003Sherman County, Nebraska

NWS Hastings, NE issued this severe thunderstorm warning at Sep 9, 2003, 8:58 PM CDT for Sherman 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
Sep 9, 2003, 8:58 PM CDT (01:58 UTC)
Expired
Sep 9, 2003, 10:00 PM CDT
In force
62 min
Issued by
NWS Hastings, NE
Area
Counties, with a storm outline in the text

County Sherman County, NE

The radar

The Grand Island radar (KUEX), 111 km from the middle of the area, began a volume at 01:59 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
Sep 9, 5:05 PM CDTTornado WatchSPC5 hr

The nearest sounding before it

N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 2.0 hours before the alert went out and 143 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 2003-09-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1235 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 2003-09-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
1235 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
847 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
94 m²/s²
Significant tornado parameter
0.2
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KGID 100158
SVRGID
NEC163-100300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HASTINGS NE
857 PM CDT TUE SEP 9 2003

THE NATIONAL WEATHER SERVICE IN HASTINGS HAS ISSUED A

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

* UNTIL 1000 PM CDT

* AT 853 PM CDT...THE PUBLIC REPORTED A SEVERE THUNDERSTORM WITH     
  PENNY SIZE HAIL 7 MILES SOUTHEAST OF HAZARD...OR ABOUT 21 MILES    
  NORTH OF KEARNEY...MOVING NORTH AT 20 MPH.

* SOME LOCATIONS IN THE PATH OF THIS SEVERE STORM INCLUDE...
  HAZARD...
  ROCKVILLE...
  LOUP CITY...
  
PEOPLE IN SHERMAN COUNTY SHOULD SEEK SHELTER IN A STURDY STRUCTURE
AND STAY AWAY FROM WINDOWS.

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

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

LAT...LON 4128 9875 4105 9876 4105 9919 4138 9919
          4139 9893 4139 9874
$$
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 Sep 9, 1:06 PM CDT, 7 hours 52 minutes earlier.

Area forecast discussion, Sep 9, 1:06 PM CDT, 7 hours 52 minutes before
SOUTH CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HASTINGS NE
106 PM CDT TUE SEP 9 2003

STRONG SUBSIDENCE IN WAKE OF EJECTING LEAD TROUGH THIS AFTN CLRG
THINGS OUT FOR A TIME BUT REDVLPG SC WITHIN MOIST BL TOUGH TO SHAKE.
HWVR ENSUING DESTABILIZATION INVOF SFC FNTL ZONE OVR NW KS/SW NE
UNDERNEATH STEEP EML WILL NEED TO BE WATCHED CLOSELY FOR INCIPIENT
SVR CONVN INITIATION POSSIBILITY THIS EVE.

PROBLEMS THIS FCST CYCLE ARE NAMELY GROWING RAIN POTENTIAL AND SVR
THREAT WED AND TEMPS.

MODEL SOLUTIONS VRY CONSISTENT W/UPCOMING EVOLUTION AND EJECTION OF
DYNAMIC WRN TROUGH. DETAILS ACCENTUATED BY MULTIPLE SW/S
ACTING ON GOOD LL MSTR PLUME IN PLACE AND ATTENDANT NRLY STATIONARY
FNTL ZONE. XPC RENEWED CONV DVLPMNT TO TAKE PLACE LT THIS AFTN/EVE
INVOF OF LEE SIDE TROF AND ALG NOSE OF RESURGING LLJ AS NXT INTENSE
UPSTREAM SW OVR NE AZ EJECTS OUT...SIMILAR TO OVERNIGHT DVLPMNT.
HWVR SVR THREAT MINIMIZED GIVEN PROGGED TIMING. ON WED...WRN TROF
EDGES EVER CLOSER W/SFC BNDRY REMAINING NRLY STATIONARY. RENEWED SFC
DVLPMNT XPCD AGAIN BY AFTN ALG SFC BNDRY AS YET ANOTHER SW TROF KICKS
OUT. SVR THREAT MUCH BTR WED AFTN/EVE BUT CONTINGENT UPON LOSS OF
MORNING CLD DEBRIS AND SUFFICIENT AFTN DESTABILIZATION W/SHEAR
PROFILES ABUNDANTLY FVRBL...COULD BE SIGNIFICANT IF THINGS PAN OUT.
QPF SOLUTIONS ARE OPTIMISTIC AND RIGHTLY SO BUT SHLD POSE LTL PROBLEM
GIVEN ANTECEDENT BONE DRY SOIL MSTR CONDITIONS. STILL A SHOWER RISK
ON THU INVOF OF UPPER LOW AND MAY NEED SOME EXTENSION TO POPS THEN
BUT CLRG OUT AFT THAT ON FRI. WELCOME RAINFALL TO SAY THE LEAST...
SHLD BE BEST RAINFALL AROUND HERE SINCE MID MAY FOR MOST.

OTHERWISE...TEMPS A TOSS W/IMPENDING RAINFALL AND EXTENSIVE CLD CVR.
BEST RECOURSE IT SEEMS AT THIS POINT IS TO HEDGE COOLER W/GUIDANCE
SPREADS NR 10 DEGREES WED/THU.

BEYOND THAT...COOL WX TO STICK ARND INTO NXT WEEK W/RESIDUAL MEAN
TROUGH CNTRL US AND MASSIVE CANUCK SFC RIDGE BLDG SWD.

.GID...NONE.

T
Hazardous weather outlook, Sep 9, 5:08 PM CDT, 3 hours 50 minutes before
KSZ005>007-017>019-NEZ039>041-046>049-060>064-072>077-082>087-101200-

HAZARDOUS WEATHER OUTLOOK...CORRECTED TYPO AT THE END
NATIONAL WEATHER SERVICE HASTINGS NE
508 PM CDT TUE SEP 9 2003

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

THUNDERSTORMS ARE EXPECTED TO BECOME MORE NUMEROUS THROUGH THE
EVENING HOURS ACROSS SOUTH CENTRAL NEBRASKA AND NORTH CENTRAL KANSAS.
LARGE HAIL...DAMAGING WINDS AND EVEN A TORNADO WILL BE POSSIBLE.

THE COMBINATION OF SEVERAL WEATHER FEATURES WILL ENHANCE
THUNDERSTORM POTENTIAL TONIGHT. A WEAK SURFACE BOUNDARY WILL
STRETCH ACROSS THE AREA. STRONG SOUTHEAST WINDS WILL CONTINUE TO PUMP
LOW LEVEL MOISTURE INTO THE REGION...AS SEEN BY SURFACE DEWPOINTS IN
THE 60S. MODERATE INSTABILITY AND FAVORABLE WIND SHEAR ALOFT WILL
ALSO AID THUNDERSTORM DEVELOPMENT. THE REGION ALONG A LINE FROM
STOCKTON KANSAS TO NEAR KEARNEY NEBRASKA...THEN TO ABOUT COLUMBUS...
WILL BE THE MOST FAVORED AREA FOR SEVERE THUNDERSTORMS THROUGH MID
EVENING.

ONCE THIS ROUND OF THUNDERSTORMS PASSES...MORE DEVELOPMENT IS
LIKELY DURING THE OVERNIGHT HOURS. AN ISOLATED STRONG TO SEVERE
THUNDERSTORM IS POSSIBLE TOWARD DAYBREAK WEDNESDAY ACROSS THE AREA.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

SEVERE THUNDERSTORM CHANCES WILL BE ENHANCED FURTHER WEDNESDAY AND
WEDNESDAY NIGHT AS A STRONG LOW PRESSURE SYSTEM AND COLD FRONT
ADVANCE INTO THE OUTLOOK AREA.  A LINE OF STRONG TO SEVERE
THUNDERSTORMS ARE POSSIBLE...WITH WIND AND HAIL THE PRIMARY
HAZARD...ALTHOUGH WIND SHEAR PROFILES MAY SUPPORT ISOLATED TORNADOS.
THUNDERSTORM CHANCES CONTINUE INTO THURSDAY...HOWEVER THE SEVERE
WEATHER THREAT DIMINISHES BEHIND THE COLD FRONT.  DRY AND RATHER COOL
WEATHER IS FORECAST THROUGH THE WEEKEND AND EARLY INTO NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

STORM SPOTTERS MAY BE NEEDED THIS EVENING...AND SHOULD BE PREPARED
FOR RAPID DEPLOYMENT IF SEVERE APPROACHES THEIR AREA.

10/FAY/MORITZ

In the hours before

Local storm report, Sep 9, 7:55 PM CDT, 1 hour 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
755 PM CDT TUE SEP 09 2003

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

0645 PM    13 N FUNK                 NE   1.25 INCH HAIL
09/09/03   PHELPS                         REPORTED BY PUBLIC.
Local storm report, Sep 9, 7:55 PM CDT, 1 hour 3 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE HASTINGS NE
755 PM CDT TUE SEP 09 2003

CORRECTED FOR TIME

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

0745 PM    13 N FUNK                 NE   1.25 INCH HAIL
09/09/03   PHELPS                         REPORTED BY PUBLIC.
Local storm report, Sep 9, 8:58 PM CDT, 0 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
858 PM CDT TUE SEP 09 2003

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

0855 PM    6 W RAVENNA               NE   .75 INCH HAIL
09/09/03   BUFFALO                        REPORTED BY PUBLIC.

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 9, 7:37 PM CDTSevere Thunderstorm WarningGIDBuffalo, Kearney, Phelps53 min
Sep 9, 8:30 PM CDTSevere Thunderstorm WarningGIDBuffalo, Dawson, Phelps60 min
Sep 10, 4:07 PM CDTSevere Thunderstorm WarningGIDThayer38 min
Sep 10, 5:13 PM CDTSevere Thunderstorm WarningGIDFranklin47 min
Sep 10, 5:41 PM CDTSevere Thunderstorm WarningGIDClay, Fillmore, Nuckolls49 min
Sep 10, 6:03 PM CDTSevere Thunderstorm WarningGIDThayer42 min
Sep 10, 6:15 PM CDTSevere Thunderstorm WarningGIDWebster60 min
Sep 10, 6:20 PM CDTSevere Thunderstorm WarningGIDGreeley, Howard, Sherman55 min
Sep 10, 6:27 PM CDTSevere Thunderstorm WarningGIDNuckolls63 min
Sep 10, 6:29 PM CDTSevere Thunderstorm WarningGIDFillmore61 min
Sep 10, 6:41 PM CDTSevere Thunderstorm WarningGIDClay34 min
Sep 10, 6:47 PM CDTSevere Thunderstorm WarningGIDThayer58 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.