Alert archive / Nebraska / Tornado Warnings in 1998
Tornado Warning 3, NWS Hastings, NE
NWS Hastings, NE issued this tornado warning at May 11, 1998, 6:03 PM CDT for Sherman County, Nebraska. It was in force for 42 min. 2 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 11, 1998, 6:03 PM CDT (23:03 UTC)
- Expired
- May 11, 1998, 6:45 PM CDT
- In force
- 42 min
- Issued by
- NWS Hastings, NE
- Area
- Whole counties
County Sherman County, NE
The radar
The Grand Island radar (KUEX), 110 km from the middle of the area, began a volume at 23:02 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 11, 6:03 PM CDT | Hail 1.75 | Hazard, NE | |
| May 11, 6:18 PM CDT | Hail 0.75 | Rockville, NE |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 11, 5:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 12:00Z, 11.1 hours before the alert went out and 136 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.
- Mixed-layer CAPE
- 163 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 620 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
858 WFUS1 KGRI 112308 RRA TORGRI NEC163-112345- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE HASTINGS NE 603 PM CDT MON MAY 11 1998 THE NATIONAL WEATHER SERVICE IN HASTINGS NE HAS ISSUED A * TORNADO WARNING FOR PEOPLE IN... SHERMAN COUNTY IN SOUTH CENTRAL NEBRASKA * UNTIL 645 PM CDT * AT 602 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A POSSIBLE TORNADO 27 MILES NORTH OF KEARNEY...OR 2 MILES SOUTH OF HAZARD...MOVING NORTHEAST AT 35 MILES PER HOUR. GOLFBALL HAIL WAS REPORTED NEAR HAZARD AROUND 6 PM. * THE TORNADO IS EXPECTED TO BE NEAR... HAZARD AT 610 PM CDT LOUP CITY AT 625 PM CDT ASHTON AT 630 PM CDT TAKE SHELTER IMMEDIATELY IN A BASEMENT. IF A BASEMENT IS NOT AVAILABLE...GO TO A SMALL INTERIOR ROOM ON THE LOWEST FLOOR. STAY AWAY FROM WINDOWS. STAY TUNED TO LOCAL MEDIA OUTLETS OR NOAA WEATHER RADIO FOR THE LATEST SEVERE WEATHER INFORMATION. TO REPORT SEVERE WEATHER...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN HASTINGS NE. DEG &
What forecasters said that day
The local office's own words before this tornado 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 tornado warning went out at May 11, 2:00 PM CDT, 4 hours 3 minutes earlier.
Area forecast discussion, May 11, 2:00 PM CDT, 4 hours 3 minutes before
CENTRAL NEBRASKA/NORTH CENTRAL KANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HASTINGS NE 200 PM CDT MON MAY 11 1998 ...SVR WEATHER THIS EVENING THEN TURNING QUIET FOR OUTPERIODS... EARLY ISSUANCE TODAY IN ANTICIPATION OF SEVERE WEATHER DEVELOPING THIS AFTERNOON. 18Z SFC ANALYSIS SHOWED FRONTAL BNDRY NC NEBR TO NW KS WITH LOW PRESSURE BTWN MCK-GLD. PSBL WARM FRONTOGENESIS OCCURRING NEAR KS/NEB BORDER. VSBL SATELLITE SHOWS CLEAR AREA FROM HLC-MCK WITH 62 DEW POINT AT HLC. WV IMGRY SHOWS NEXT S/W OVER ERN COLO. 12Z MODEL RUNS CONTINUE TO INDICATE STRONG LIFT OF UNSTABLE AIR THIS EVENING AND SEVERE WEATHER POTENTIAL REMAINS. GOING FCST LOOKS GOOD AND CANNOT FIND MUCH REASON TO MAKE MAJOR CHANGES. ONLY FLY IN THE OINTMENT SO FAR HAS BEEN EXTENSIVE LOW/MID LVL CLOUDS WHICH HAVE LIMITED HEATING THUS FAR. HOWEVER AS TSTMS FIRE IN AFOREMENTIONED CLEAR AREA...CHAIN OF EVENTS WILL BE SET IN MOTION. IN GENERAL HAVE PREFERRED ETA MODEL FOR THIS PACKAGE. IF SQUALL LINE SETS UP AS PER SWODY1 INDICATES...ETA DOES SHOW QUITE A BIT OF SUBSIDENCE SETTING UP BEHIND IT OVER SC NEBR 06-12Z. THIS MAY CREATE STRONGER WINDS OVER THE AREA TONIGHT THAN PRVS FCST...AND KEEP TEMPS A LITTLE WARMER OVERNIGHT. POST CONVECTION ENVIRONMENT BEHIND FRONT TUE LIKELY TO BE FAVORABLE FOR AT LEAST SOME CU WITH TEMPS PROBABLY NOT REACHING GUID OR PRVS FCST LEVELS. FRONT SHOULD BE DRIVEN FAR ENOUGH SOUTH BY CONVECTION TNGT TO KEEP CHANCES FOR RETURN FLOW TSTMS OUT OF FCST UNTIL WED NGT AS PER ETA/NGM INDICATIONS. FAN POPS TOO HIGH AT THIS POINT TUE NGT. TEMPS SHOULD WARM BACK UP WEDNESDAY WITH GUIDANCE IN BALL PARK. GRI BB 053/076/053/080 6000 ODX BB 050/074/050/080 6000 LXN BB 050/075/051/081 6000 HBR BB 054/076/053/081 6000 BEL BB 056/078/054/083 6000 KD
In the hours before
Local storm report, May 11, 5:42 PM CDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
542 PM CDT MON MAY 11 1998
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0529 PM MILLER NE 0.75 INCH HAIL
05/11/98 BUFFALO
DEGLocal storm report, May 11, 5:42 PM CDT, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE HASTINGS NE
542 PM CDT MON MAY 11 1998
TIME(CDT) .....CITY LOCATION.....STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
0529 PM MILLER NE 0.75 INCH HAIL
05/11/98 BUFFALO
DEGThe office that day
Everything else NWS Hastings, NE issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 5:17 PM CDT | Severe Thunderstorm Warning | GID | Buffalo, Dawson, Sherman | 58 min |
| May 11, 6:08 PM CDT | Severe Thunderstorm Warning | GID | Valley | 67 min |
| May 11, 6:26 PM CDT | Tornado Warning | GID | Howard | 64 min |
| May 11, 6:35 PM CDT | Severe Thunderstorm Warning | GID | Buffalo, Hall | 40 min |
| May 11, 6:42 PM CDT | Severe Thunderstorm Warning | GID | Sherman | 48 min |
Nearby
Tornado Warnings in Nebraska, 1998Every tornado warning in 1998Tornadoes in 1998
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.